Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754463AbdGCNNx convert rfc822-to-8bit (ORCPT ); Mon, 3 Jul 2017 09:13:53 -0400 Received: from us-smtp-delivery-107.mimecast.com ([216.205.24.107]:59341 "EHLO us-smtp-delivery-107.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753978AbdGCNNr (ORCPT ); Mon, 3 Jul 2017 09:13:47 -0400 Subject: Re: [PATCH v9 2/3] PCI: Add tango PCIe host bridge support From: Marc Gonzalez To: Bjorn Helgaas CC: Marc Zyngier , Thomas Gleixner , linux-pci , Linux ARM , LKML , Mason , Thibaud Cornic , Mark Rutland , Ard Biesheuvel , Greg Kroah-Hartman References: <987fac41-80dc-f1d0-ec0b-91ae57b91bfd@sigmadesigns.com> <20170702231811.GJ18324@bhelgaas-glaptop.roam.corp.google.com> <79382219-c730-da78-3e5f-5abf3173d7ac@sigmadesigns.com> Message-ID: Date: Mon, 3 Jul 2017 15:13:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1 MIME-Version: 1.0 In-Reply-To: <79382219-c730-da78-3e5f-5abf3173d7ac@sigmadesigns.com> X-Originating-IP: [172.27.0.114] X-MC-Unique: WuJ31V06OC-NXAacD52BuA-1 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 102999 Lines: 1238 On 03/07/2017 11:54, Marc Gonzalez wrote: > Mark Rutland points out stop_machine. I will test this solution. I must be misunderstanding some of the requirements for calling stop_machine() because my kernel panics, after many warnings. I made the following changes, which call stop_machine() at the end of smp8759_config_read() to do nothing on cpu 0. Looking at drivers/char/hw_random/intel-rng.c, they don't seem to do anything special in the callback... diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c index aa1484f6520e..c252215e408a 100644 --- a/drivers/pci/host/pcie-tango.c +++ b/drivers/pci/host/pcie-tango.c @@ -233,6 +233,13 @@ static int tango_msi_probe(struct platform_device *pdev, struct tango_pcie *pcie /*** HOST BRIDGE SUPPORT ***/ +#include + +static int do_nothing(void *arg) +{ + return 0; +} + static int smp8759_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) { @@ -259,6 +266,8 @@ static int smp8759_config_read(struct pci_bus *bus, ret = pci_generic_config_read(bus, devfn, where, size, val); writel_relaxed(0, pcie->mux); + stop_machine(do_nothing, NULL, NULL); + return ret; } My boot log: [ 0.718913] OF: PCI: host bridge /soc/pcie@2e000 ranges: [ 0.724269] OF: PCI: No bus range found for /soc/pcie@2e000, using [bus 00-ff] [ 0.731725] OF: PCI: MEM 0x50400000..0x53ffffff -> 0x00400000 [ 0.737702] pcie_tango 50000000.pcie: ECAM area [mem 0x50000000-0x503fffff] can only accommodate [bus 00-03] (reduced from [bus 00-ff] desired) [ 0.750709] pcie_tango 50000000.pcie: ECAM at [mem 0x50000000-0x503fffff] for [bus 00-03] [ 0.759034] pcie_tango 50000000.pcie: PCI host bridge to bus 0000:00 [ 0.765434] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.770957] pci_bus 0000:00: root bus resource [mem 0x50400000-0x53ffffff] (bus address [0x00400000-0x03ffffff]) [ 0.781206] BUG: scheduling while atomic: swapper/0/1/0x00000002 [ 0.787248] Modules linked in: [ 0.790324] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.23-1-rc4 #16 [ 0.796881] Hardware name: Sigma Tango DT [ 0.800934] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 0.808719] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 0.815980] [] (dump_stack) from [] (__schedule_bug+0x64/0x84) [ 0.823593] [] (__schedule_bug) from [] (__schedule+0x364/0x454) [ 0.831376] [] (__schedule) from [] (schedule+0x50/0xb4) [ 0.838463] [] (schedule) from [] (schedule_timeout+0x1c8/0x210) [ 0.846246] [] (schedule_timeout) from [] (wait_for_common+0x8c/0x13c) [ 0.854554] [] (wait_for_common) from [] (__stop_cpus+0x50/0x64) [ 0.862336] [] (__stop_cpus) from [] (stop_cpus+0x2c/0x44) [ 0.869593] [] (stop_cpus) from [] (stop_machine+0xb4/0xf8) [ 0.876941] [] (stop_machine) from [] (smp8759_config_read+0x68/0x74) [ 0.885164] [] (smp8759_config_read) from [] (pci_bus_read_config_dword+0x6c/0x94) [ 0.894521] [] (pci_bus_read_config_dword) from [] (pci_bus_read_dev_vendor_id+0x24/0xe8) [ 0.904488] [] (pci_bus_read_dev_vendor_id) from [] (pci_scan_single_device+0x40/0xb0) [ 0.914193] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 0.922849] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 0.931069] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 0.939987] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 0.948817] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 0.957740] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 0.966660] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 0.974967] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 0.982836] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 0.991055] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 0.999361] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 1.007405] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 1.015627] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 1.024370] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 1.032590] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 1.040356] pci 0000:00:00.0: [1105:0024] type 01 class 0x048000 [ 1.046827] pci 0000:00:00.0: supports D1 D2 [ 1.051124] pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot [ 1.057376] ------------[ cut here ]------------ [ 1.062033] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 1.069906] Modules linked in: [ 1.072978] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 1.080756] Hardware name: Sigma Tango DT [ 1.084789] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 1.092573] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 1.099835] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 1.106832] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 1.114440] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 1.122576] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 1.131058] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 1.139714] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 1.147934] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 1.156852] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 1.165683] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 1.174604] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 1.183522] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 1.191829] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 1.199698] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 1.207916] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 1.216222] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 1.224266] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 1.232486] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 1.241232] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 1.249451] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 1.257071] ---[ end trace 4ee1a301cee5ee66 ]--- [ 1.261712] ------------[ cut here ]------------ [ 1.266357] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 1.274227] Modules linked in: [ 1.277298] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 1.285076] Hardware name: Sigma Tango DT [ 1.289104] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 1.296886] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 1.304145] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 1.311141] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 1.318749] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 1.326882] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 1.335363] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 1.344019] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 1.352239] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 1.361157] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 1.369988] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 1.378907] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 1.387825] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 1.396131] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 1.404001] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 1.412219] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 1.420525] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 1.428569] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 1.436788] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 1.445531] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 1.453750] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 1.461362] ---[ end trace 4ee1a301cee5ee67 ]--- [ 1.466002] ------------[ cut here ]------------ [ 1.470645] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 1.478515] Modules linked in: [ 1.481585] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 1.489363] Hardware name: Sigma Tango DT [ 1.493391] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 1.501174] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 1.508432] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 1.515428] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 1.523036] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 1.531168] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 1.539650] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 1.548306] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 1.556525] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 1.565443] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 1.574274] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 1.583193] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 1.592111] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 1.600417] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 1.608286] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 1.616505] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 1.624811] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 1.632854] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 1.641073] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 1.649817] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 1.658036] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 1.665647] ---[ end trace 4ee1a301cee5ee68 ]--- [ 1.670287] ------------[ cut here ]------------ [ 1.674930] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 1.682801] Modules linked in: [ 1.685872] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 1.693650] Hardware name: Sigma Tango DT [ 1.697678] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 1.705460] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 1.712719] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 1.719716] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 1.727323] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 1.735457] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 1.743938] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 1.752594] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 1.760814] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 1.769732] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 1.778563] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 1.787481] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 1.796400] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 1.804706] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 1.812575] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 1.820794] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 1.829100] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 1.837144] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 1.845362] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 1.854105] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 1.862325] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 1.869937] ---[ end trace 4ee1a301cee5ee69 ]--- [ 1.874576] ------------[ cut here ]------------ [ 1.879220] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 1.887090] Modules linked in: [ 1.890160] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 1.897938] Hardware name: Sigma Tango DT [ 1.901967] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 1.909749] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 1.917007] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 1.924003] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 1.931611] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 1.939744] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 1.948225] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 1.956881] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 1.965101] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 1.974019] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 1.982850] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 1.991769] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 2.000687] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 2.008994] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 2.016863] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 2.025082] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 2.033388] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 2.041432] [] (driver_register) from [] (do_one_initcall+0x44/0x170) 0] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 2.058394] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 2.066613] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 2.074225] ---[ end trace 4ee1a301cee5ee6a ]--- [ 2.078865] ------------[ cut here ]------------ [ 2.083509] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 2.091380] Modules linked in: [ 2.094449] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 2.102228] Hardware name: Sigma Tango DT [ 2.106256] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.114038] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 2.121296] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 2.128292] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 2.135900] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 2.144034] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 2.152515] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 2.161171] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 2.169390] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 2.178308] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 2.187139] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 2.196059] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 2.204977] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 2.213283] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 2.221152] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 2.229371] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 2.237677] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 2.245721] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 2.253939] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 2.262682] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 2.270901] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 2.278513] ---[ end trace 4ee1a301cee5ee6b ]--- [ 2.283153] ------------[ cut here ]------------ [ 2.287796] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 2.295666] Modules linked in: [ 2.298731] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 2.306509] Hardware name: Sigma Tango DT [ 2.310537] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.318319] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 2.325578] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 2.332574] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 2.340182] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 2.348315] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 2.356796] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 2.365452] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 2.373671] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 2.382590] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 2.391420] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 2.400339] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 2.409257] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 2.417563] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 2.425432] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 2.433651] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 2.441957] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 2.450001] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 2.458220] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 2.466963] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 2.475183] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 2.482794] ---[ end trace 4ee1a301cee5ee6c ]--- [ 2.487435] ------------[ cut here ]------------ [ 2.492080] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 2.499951] Modules linked in: [ 2.503021] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 2.510800] Hardware name: Sigma Tango DT [ 2.514828] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.522610] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 2.529869] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 2.536865] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 2.544473] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 2.552606] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 2.561087] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 2.569743] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 2.577963] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 2.586881] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 2.595712] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 2.604631] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 2.613550] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 2.621856] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 2.629725] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 2.637944] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 2.646250] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 2.654294] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 2.662513] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 2.671256] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 2.679475] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 2.687088] ---[ end trace 4ee1a301cee5ee6d ]--- [ 2.691728] ------------[ cut here ]------------ [ 2.696371] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 2.704242] Modules linked in: [ 2.707312] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 2.715090] Hardware name: Sigma Tango DT [ 2.719119] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.726901] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 2.734159] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 2.741155] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 2.748763] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 2.756896] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 2.765377] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 2.774033] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 2.782252] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 2.791171] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 2.800002] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 2.808921] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 2.817838] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 2.826145] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 2.834014] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 2.842233] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 2.850539] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 2.858583] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 2.866801] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 2.875545] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 2.883764] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 2.891375] ---[ end trace 4ee1a301cee5ee6e ]--- [ 2.896015] ------------[ cut here ]------------ [ 2.900658] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 2.908528] Modules linked in: [ 2.911598] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 2.919376] Hardware name: Sigma Tango DT [ 2.923404] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.931186] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 2.938444] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 2.945441] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 2.953049] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 2.961181] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 2.969663] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 2.978319] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 2.986538] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 2.995456] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 3.004287] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 3.013206] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 3.022124] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 3.030430] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 3.038300] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 3.046518] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 3.054825] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 3.062869] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 3.071088] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 3.079832] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 3.088051] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 3.095663] ---[ end trace 4ee1a301cee5ee6f ]--- [ 3.100302] ------------[ cut here ]------------ [ 3.104945] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 3.112816] Modules linked in: [ 3.115885] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 3.123663] Hardware name: Sigma Tango DT [ 3.127691] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 3.135474] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 3.142732] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 3.149728] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 3.157336] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 3.165469] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 3.173951] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 3.182607] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 3.190826] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 3.199744] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 3.208575] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 3.217494] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 3.226413] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 3.234719] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 3.242588] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 3.250806] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 3.259112] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 3.267156] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 3.275374] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 3.284118] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 3.292337] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 3.299948] ---[ end trace 4ee1a301cee5ee70 ]--- [ 3.304588] ------------[ cut here ]------------ [ 3.309231] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 3.317102] Modules linked in: [ 3.320172] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 3.327950] Hardware name: Sigma Tango DT [ 3.331979] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 3.339761] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 3.347019] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 3.354016] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 3.361624] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 3.369756] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 3.378237] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 3.386894] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 3.395113] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 3.404031] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 3.412862] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 3.421781] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 3.430699] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 3.439005] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 3.446874] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 3.455093] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 3.463399] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 3.471443] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 3.479661] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 3.488405] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 3.496624] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 3.504235] ---[ end trace 4ee1a301cee5ee71 ]--- [ 3.508875] ------------[ cut here ]------------ [ 3.513519] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 3.521390] Modules linked in: [ 3.524459] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 3.532237] Hardware name: Sigma Tango DT [ 3.536265] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 3.544048] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 3.551306] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 3.558303] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 3.565911] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 3.574044] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 3.582526] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 3.591182] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 3.599401] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 3.608319] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 3.617150] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 3.626069] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 3.634987] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 3.643293] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 3.651163] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 3.659381] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 3.667688] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 3.675732] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 3.683950] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 3.692694] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 3.700913] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 3.708525] ---[ end trace 4ee1a301cee5ee72 ]--- [ 3.713165] ------------[ cut here ]------------ [ 3.717808] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 3.725679] Modules linked in: [ 3.728743] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 3.736521] Hardware name: Sigma Tango DT [ 3.740549] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 3.748331] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 3.755590] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 3.762586] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 3.770193] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 3.778326] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 3.786808] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 3.795464] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 3.803683] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 3.812601] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 3.821432] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 3.830351] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 3.839269] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 3.847575] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 3.855445] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 3.863664] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 3.871970] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 3.880014] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 3.888233] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 3.896976] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 3.905195] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 3.912806] ---[ end trace 4ee1a301cee5ee73 ]--- [ 3.917445] ------------[ cut here ]------------ [ 3.922089] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 3.929960] Modules linked in: [ 3.933029] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 3.940807] Hardware name: Sigma Tango DT [ 3.944836] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 3.952618] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 3.959876] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 3.966872] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 3.974480] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 3.982613] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 3.991094] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 3.999750] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 4.007970] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 4.016888] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 4.025719] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 4.034638] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 4.043556] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 4.051863] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 4.059732] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 4.067951] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 4.076257] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 4.084300] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 4.092519] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 4.101262] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 4.109481] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 4.117092] ---[ end trace 4ee1a301cee5ee74 ]--- [ 4.121732] ------------[ cut here ]------------ [ 4.126376] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 4.134246] Modules linked in: [ 4.137316] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 4.145094] Hardware name: Sigma Tango DT [ 4.149122] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 4.156904] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 4.164163] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 4.171159] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 4.178766] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 4.186899] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 4.195381] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 4.204036] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 4.212256] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 4.221174] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 4.230005] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 4.238924] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 4.247842] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 4.256148] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 4.264017] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 4.272236] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 4.280543] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 4.288587] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 4.296805] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 4.305549] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 4.313768] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 4.321380] ---[ end trace 4ee1a301cee5ee75 ]--- [ 4.326020] ------------[ cut here ]------------ [ 4.330663] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 4.338533] Modules linked in: [ 4.341603] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 4.349381] Hardware name: Sigma Tango DT [ 4.353409] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 4.361191] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 4.368450] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 4.375446] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 4.383053] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 4.391186] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 4.399667] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 4.408324] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 4.416543] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 4.425461] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 4.434292] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 4.443211] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 4.452129] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 4.460435] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 4.468304] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 4.476523] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 4.484830] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 4.492874] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 4.501092] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 4.509836] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 4.518055] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 4.525665] ---[ end trace 4ee1a301cee5ee76 ]--- [ 4.530305] ------------[ cut here ]------------ [ 4.534948] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 4.542819] Modules linked in: [ 4.545889] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 4.553667] Hardware name: Sigma Tango DT [ 4.557695] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 4.565478] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 4.572736] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 4.579732] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 4.587340] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 4.595473] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 4.603954] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 4.612610] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 4.620829] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 4.629748] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 4.638579] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 4.647497] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 4.656415] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 4.664721] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 4.672591] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 4.680809] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 4.689116] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 4.697160] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 4.705378] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 4.714122] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 4.722341] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 4.729953] ---[ end trace 4ee1a301cee5ee77 ]--- [ 4.734592] ------------[ cut here ]------------ [ 4.739237] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 4.747107] Modules linked in: [ 4.750178] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 4.757956] Hardware name: Sigma Tango DT [ 4.761984] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 4.769767] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 4.777025] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 4.784021] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 4.791629] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 4.799761] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 4.808243] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 4.816899] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 4.825118] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 4.834036] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 4.842867] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 4.851787] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 4.860705] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 4.869011] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 4.876881] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 4.885100] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 4.893406] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 4.901450] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 4.909668] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 4.918412] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 4.926632] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 4.934243] ---[ end trace 4ee1a301cee5ee78 ]--- [ 4.938883] ------------[ cut here ]------------ [ 4.943526] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 4.951396] Modules linked in: [ 4.954467] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 4.962245] Hardware name: Sigma Tango DT [ 4.966273] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 4.974056] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 4.981314] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 4.988310] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 4.995918] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 5.004051] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 5.012533] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 5.021189] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 5.029408] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 5.038326] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 5.047157] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 5.056076] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 5.064994] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 5.073300] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 5.081170] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 5.089388] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 5.097694] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 5.105738] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 5.113957] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 5.122700] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 5.130919] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 5.138531] ---[ end trace 4ee1a301cee5ee79 ]--- [ 5.143171] ------------[ cut here ]------------ [ 5.147814] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 5.155684] Modules linked in: [ 5.158749] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 5.166527] Hardware name: Sigma Tango DT [ 5.170555] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 5.178338] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 5.185596] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 5.192592] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 5.200200] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 5.208333] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 5.216815] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 5.225471] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 5.233690] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 5.242609] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 5.251440] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 5.260358] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 5.269276] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 5.277582] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 5.285452] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 5.293670] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 5.301976] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 5.310020] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 5.318238] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 5.326982] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 5.335201] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 5.342813] ---[ end trace 4ee1a301cee5ee7a ]--- [ 5.347452] ------------[ cut here ]------------ [ 5.352095] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 5.359965] Modules linked in: [ 5.363035] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 5.370813] Hardware name: Sigma Tango DT [ 5.374841] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 5.382623] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 5.389881] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 5.396878] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 5.404485] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 5.412618] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 5.421099] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 5.429755] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 5.437975] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 5.446893] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 5.455724] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 5.464643] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 5.473561] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 5.481867] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 5.489737] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 5.497955] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 5.506261] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 5.514305] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 5.522524] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 5.531267] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 5.539487] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 5.547098] ---[ end trace 4ee1a301cee5ee7b ]--- [ 5.551738] ------------[ cut here ]------------ [ 5.556381] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 5.564252] Modules linked in: [ 5.567321] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 5.575099] Hardware name: Sigma Tango DT [ 5.579127] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 5.586909] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 5.594167] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 5.601163] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 5.608771] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 5.616904] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 5.625385] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 5.634041] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 5.642261] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 5.651179] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 5.660010] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 5.668929] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 5.677847] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 5.686153] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 5.694022] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 5.702241] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 5.710547] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 5.718591] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 5.726809] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 5.735552] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 5.743771] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 5.751383] ---[ end trace 4ee1a301cee5ee7c ]--- [ 5.756022] ------------[ cut here ]------------ [ 5.760665] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 5.768536] Modules linked in: [ 5.771606] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 5.779384] Hardware name: Sigma Tango DT [ 5.783412] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 5.791194] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 5.798452] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 5.805448] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 5.813056] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 5.821189] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 5.829671] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 5.838327] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 5.846546] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 5.855465] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 5.864296] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 5.873215] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 5.882133] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 5.890439] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 5.898308] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 5.906527] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 5.914833] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 5.922877] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 5.931096] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 5.939840] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 5.948060] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 5.955670] ---[ end trace 4ee1a301cee5ee7d ]--- [ 5.960309] ------------[ cut here ]------------ [ 5.964953] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 5.972823] Modules linked in: [ 5.975893] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 5.983671] Hardware name: Sigma Tango DT [ 5.987699] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 5.995481] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 6.002739] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 6.009736] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 6.017343] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 6.025476] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 6.033958] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 6.042614] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 6.050833] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 6.059751] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 6.068582] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 6.077500] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 6.086418] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 6.094724] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 6.102594] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 6.110813] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 6.119119] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 6.127163] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 6.135381] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 6.144125] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 6.152344] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 6.159956] ---[ end trace 4ee1a301cee5ee7e ]--- [ 6.164595] ------------[ cut here ]------------ [ 6.169239] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 6.177109] Modules linked in: [ 6.180179] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 6.187957] Hardware name: Sigma Tango DT [ 6.191985] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.199767] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 6.207025] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 6.214021] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 6.221629] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 6.229762] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 6.238243] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 6.246899] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 6.255118] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 6.264036] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 6.272867] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 6.281786] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 6.290704] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 6.299010] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 6.306879] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 6.315097] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 6.323403] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 6.331447] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 6.339666] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 6.348410] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 6.356628] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 6.364239] ---[ end trace 4ee1a301cee5ee7f ]--- [ 6.368879] ------------[ cut here ]------------ [ 6.373522] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 6.381393] Modules linked in: [ 6.384462] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 6.392241] Hardware name: Sigma Tango DT [ 6.396269] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.404051] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 6.411309] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 6.418305] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 6.425912] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 6.434045] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 6.442527] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 6.451183] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 6.459402] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 6.468320] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 6.477151] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 6.486071] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 6.494989] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 6.503295] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 6.511165] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 6.519383] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 6.527689] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 6.535733] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 6.543952] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 6.552696] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 6.560915] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 6.568526] ---[ end trace 4ee1a301cee5ee80 ]--- [ 6.573166] ------------[ cut here ]------------ [ 6.577809] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 6.585680] Modules linked in: [ 6.588745] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 6.596523] Hardware name: Sigma Tango DT [ 6.600551] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.608334] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 6.615592] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 6.622588] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 6.630196] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 6.638329] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 6.646811] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 6.655467] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 6.663687] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 6.672605] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 6.681436] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 6.690354] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 6.699272] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 6.707579] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 6.715448] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 6.723667] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 6.731973] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 6.740017] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 6.748236] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 6.756979] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 6.765198] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 6.772810] ---[ end trace 4ee1a301cee5ee81 ]--- [ 6.777449] ------------[ cut here ]------------ [ 6.782093] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 6.789963] Modules linked in: [ 6.793033] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 6.800811] Hardware name: Sigma Tango DT [ 6.804839] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.812622] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 6.819880] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 6.826876] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 6.834484] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 6.842617] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 6.851099] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 6.859755] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 6.867974] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 6.876892] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 6.885723] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 6.894642] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 6.903560] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 6.911866] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 6.919736] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 6.927954] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 6.936260] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 6.944304] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 6.952522] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 6.961266] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 6.969485] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 6.977096] ---[ end trace 4ee1a301cee5ee82 ]--- [ 6.981735] ------------[ cut here ]------------ [ 6.986378] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 6.994249] Modules linked in: [ 6.997318] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 7.005097] Hardware name: Sigma Tango DT [ 7.009125] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 7.016907] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 7.024165] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 7.031161] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 7.038769] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 7.046901] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 7.055383] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 7.064039] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 7.072258] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 7.081177] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 7.090008] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 7.098927] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 7.107844] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 7.116151] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 7.124020] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 7.132238] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 7.140544] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 7.148588] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 7.156806] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 7.165550] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 7.173769] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 7.181380] ---[ end trace 4ee1a301cee5ee83 ]--- [ 7.186020] ------------[ cut here ]------------ [ 7.190663] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 7.198534] Modules linked in: [ 7.201603] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 7.209382] Hardware name: Sigma Tango DT [ 7.213410] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 7.221192] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 7.228450] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 7.235446] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 7.243054] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 7.251187] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 7.259668] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 7.268324] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 7.276544] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 7.285462] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 7.294293] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 7.303211] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 7.312129] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 7.320435] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 7.328305] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 7.336523] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 7.344829] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 7.352873] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 7.361091] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 7.369834] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 7.378054] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 7.385664] ---[ end trace 4ee1a301cee5ee84 ]--- [ 7.390361] PCI: bus0: Fast back to back transfers disabled [ 7.395983] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 7.404079] ------------[ cut here ]------------ [ 7.408725] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:165 pci_find_next_bus+0x80/0x84 [ 7.417033] Modules linked in: [ 7.420104] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 7.427882] Hardware name: Sigma Tango DT [ 7.431911] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 7.439693] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 7.446952] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 7.453949] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 7.461556] [] (warn_slowpath_null) from [] (pci_find_next_bus+0x80/0x84) [ 7.470125] [] (pci_find_next_bus) from [] (pci_find_bus+0x18/0x48) [ 7.478171] [] (pci_find_bus) from [] (pci_scan_bridge+0x270/0x554) [ 7.486215] [] (pci_scan_bridge) from [] (pci_scan_child_bus+0x7c/0xf8) [ 7.494609] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 7.503528] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 7.512358] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 7.521277] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 7.530196] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 7.538502] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 7.546372] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 7.554590] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 7.562896] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 7.570940] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 7.579159] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 7.587902] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 7.596122] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 7.603734] ---[ end trace 4ee1a301cee5ee85 ]--- [ 7.608374] ------------[ cut here ]------------ [ 7.613018] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:165 pci_find_next_bus+0x80/0x84 [ 7.621325] Modules linked in: [ 7.624395] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 7.632173] Hardware name: Sigma Tango DT [ 7.636202] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 7.643984] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 7.651242] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 7.658238] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 7.665846] [] (warn_slowpath_null) from [] (pci_find_next_bus+0x80/0x84) [ 7.674415] [] (pci_find_next_bus) from [] (pci_find_bus+0x18/0x48) [ 7.682460] [] (pci_find_bus) from [] (pci_scan_bridge+0x270/0x554) [ 7.690505] [] (pci_scan_bridge) from [] (pci_scan_child_bus+0x7c/0xf8) [ 7.698899] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 7.707817] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 7.716648] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 7.725567] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 7.734485] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 7.742791] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 7.750661] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 7.758879] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 7.767185] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 7.775229] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 7.783448] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 7.792192] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 7.800411] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 7.808022] ---[ end trace 4ee1a301cee5ee86 ]--- [ 7.812900] ------------[ cut here ]------------ [ 7.817553] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:193 pci_get_slot+0xb0/0xb4 [ 7.825425] Modules linked in: [ 7.828496] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 7.836275] Hardware name: Sigma Tango DT [ 7.840305] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 7.848088] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 7.855348] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 7.862345] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 7.869953] [] (warn_slowpath_null) from [] (pci_get_slot+0xb0/0xb4) [ 7.878087] [] (pci_get_slot) from [] (pci_scan_single_device+0x14/0xb0) [ 7.886569] [] (pci_scan_single_device) from [] (pci_scan_slot+0x58/0x100) [ 7.895225] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 7.903444] [] (pci_scan_child_bus) from [] (pci_scan_bridge+0x2c4/0x554) [ 7.912013] [] (pci_scan_bridge) from [] (pci_scan_child_bus+0x7c/0xf8) [ 7.920407] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 7.929325] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 7.938156] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 7.947076] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 7.955995] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 7.964301] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 7.972170] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 7.980389] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 7.988695] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 7.996739] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 8.004958] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 8.013703] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 8.021923] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 8.029537] ---[ end trace 4ee1a301cee5ee87 ]--- [ 8.034324] pci 0000:01:00.0: [1912:0014] type 00 class 0x0c0330 [ 8.040492] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit] [ 8.047960] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 8.054409] BUG: scheduling while atomic: swapper/0/1/0x00000000 [ 8.060547] Modules linked in: [ 8.063626] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 8.071406] Hardware name: Sigma Tango DT [ 8.075440] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.083224] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 8.090483] [] (dump_stack) from [] (__schedule_bug+0x64/0x84) [ 8.098094] [] (__schedule_bug) from [] (__schedule+0x364/0x454) [ 8.105877] [] (__schedule) from [] (schedule+0x50/0xb4) [ 8.112962] [] (schedule) from [] (schedule_timeout+0x134/0x210) [ 8.120750] [] (schedule_timeout) from [] (msleep+0x2c/0x38) [ 8.128191] [] (msleep) from [] (pcie_aspm_init_link_state+0x440/0x76c) [ 8.136589] [] (pcie_aspm_init_link_state) from [] (pci_scan_slot+0xf8/0x100) [ 8.145509] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 8.153728] [] (pci_scan_child_bus) from [] (pci_scan_bridge+0x2c4/0x554) [ 8.162296] [] (pci_scan_bridge) from [] (pci_scan_child_bus+0x7c/0xf8) [ 8.170690] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 8.179608] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 8.188439] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 8.197361] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 8.206280] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 8.214586] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 8.222456] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 8.230674] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 8.238981] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 8.247025] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 8.255245] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 8.263989] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 8.272209] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 8.279860] BUG: scheduling while atomic: swapper/0/1/0x00000002 [ 8.285905] Modules linked in: [ 8.288979] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 8.296758] Hardware name: Sigma Tango DT [ 8.300788] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.308570] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 8.315828] [] (dump_stack) from [] (__schedule_bug+0x64/0x84) [ 8.323436] [] (__schedule_bug) from [] (__schedule+0x364/0x454) [ 8.331218] [] (__schedule) from [] (schedule+0x50/0xb4) [ 8.338302] [] (schedule) from [] (schedule_timeout+0x1c8/0x210) [ 8.346085] [] (schedule_timeout) from [] (wait_for_common+0x8c/0x13c) [ 8.354392] [] (wait_for_common) from [] (__stop_cpus+0x50/0x64) [ 8.362174] [] (__stop_cpus) from [] (stop_cpus+0x2c/0x44) [ 8.369431] [] (stop_cpus) from [] (stop_machine+0xb4/0xf8) [ 8.376776] [] (stop_machine) from [] (smp8759_config_read+0x68/0x74) [ 8.384997] [] (smp8759_config_read) from [] (pci_bus_read_config_word+0x6c/0x94) [ 8.394265] [] (pci_bus_read_config_word) from [] (pcie_capability_read_word+0x4c/0x88) [ 8.404059] [] (pcie_capability_read_word) from [] (pcie_aspm_init_link_state+0x450/0x76c) [ 8.414114] [] (pcie_aspm_init_link_state) from [] (pci_scan_slot+0xf8/0x100) [ 8.423032] [] (pci_scan_slot) from [] (pci_scan_child_bus+0x20/0xf8) [ 8.431251] [] (pci_scan_child_bus) from [] (pci_scan_bridge+0x2c4/0x554) [ 8.439820] [] (pci_scan_bridge) from [] (pci_scan_child_bus+0x7c/0xf8) [ 8.448214] [] (pci_scan_child_bus) from [] (pci_scan_root_bus_msi+0xcc/0xd8) [ 8.457132] [] (pci_scan_root_bus_msi) from [] (pci_scan_root_bus+0x18/0x20) [ 8.465963] [] (pci_scan_root_bus) from [] (pci_host_common_probe+0xc8/0x314) [ 8.474882] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 8.483800] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 8.492106] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 8.499976] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 8.508194] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 8.516500] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 8.524544] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 8.532762] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 8.541506] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 8.549725] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 8.557464] PCI: bus1: Fast back to back transfers disabled [ 8.563077] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 [ 8.569730] ------------[ cut here ]------------ [ 8.574376] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:271 pci_get_dev_by_id+0x84/0x8c [ 8.582684] Modules linked in: [ 8.585754] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 8.593532] Hardware name: Sigma Tango DT [ 8.597561] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.605344] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 8.612605] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 8.619603] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 8.627211] [] (warn_slowpath_null) from [] (pci_get_dev_by_id+0x84/0x8c) [ 8.635780] [] (pci_get_dev_by_id) from [] (pci_get_device+0x34/0x3c) [ 8.644000] [] (pci_get_device) from [] (pci_fixup_irqs+0x60/0xac) [ 8.651957] [] (pci_fixup_irqs) from [] (pci_host_common_probe+0xe4/0x314) [ 8.660614] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 8.669532] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 8.677839] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 8.685708] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 8.693926] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 8.702233] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 8.710277] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 8.718497] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 8.727241] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 8.735460] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 8.743073] ---[ end trace 4ee1a301cee5ee88 ]--- [ 8.747729] ------------[ cut here ]------------ [ 8.752375] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:271 pci_get_dev_by_id+0x84/0x8c [ 8.760683] Modules linked in: [ 8.763754] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 8.771532] Hardware name: Sigma Tango DT [ 8.775560] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.783343] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 8.790601] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 8.797598] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 8.805206] [] (warn_slowpath_null) from [] (pci_get_dev_by_id+0x84/0x8c) [ 8.813774] [] (pci_get_dev_by_id) from [] (pci_get_device+0x34/0x3c) [ 8.821993] [] (pci_get_device) from [] (pci_fixup_irqs+0x60/0xac) [ 8.829950] [] (pci_fixup_irqs) from [] (pci_host_common_probe+0xe4/0x314) [ 8.838606] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 8.847525] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 8.855831] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 8.863700] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 8.871918] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 8.880224] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 8.888269] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 8.896488] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 8.905231] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 8.913451] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 8.921063] ---[ end trace 4ee1a301cee5ee89 ]--- [ 8.925752] ------------[ cut here ]------------ [ 8.930399] WARNING: CPU: 0 PID: 1 at drivers/pci/search.c:271 pci_get_dev_by_id+0x84/0x8c [ 8.938707] Modules linked in: [ 8.941778] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 8.949556] Hardware name: Sigma Tango DT [ 8.953585] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.961368] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 8.968626] [] (dump_stack) from [] (__warn+0xe8/0x100) [ 8.975622] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 8.983230] [] (warn_slowpath_null) from [] (pci_get_dev_by_id+0x84/0x8c) [ 8.991799] [] (pci_get_dev_by_id) from [] (pci_get_device+0x34/0x3c) [ 9.000018] [] (pci_get_device) from [] (pci_fixup_irqs+0x60/0xac) [ 9.007974] [] (pci_fixup_irqs) from [] (pci_host_common_probe+0xe4/0x314) [ 9.016631] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 9.025550] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 9.033856] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 9.041725] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 9.049944] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 9.058250] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 9.066294] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 9.074513] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 9.083257] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 9.091476] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 9.099088] ---[ end trace 4ee1a301cee5ee8a ]--- [ 9.103790] pci 0000:00:00.0: BAR 8: assigned [mem 0x50400000-0x504fffff] [ 9.110623] pci 0000:01:00.0: BAR 0: assigned [mem 0x50400000-0x50401fff 64bit] [ 9.118015] pci 0000:00:00.0: PCI bridge to [bus 01] [ 9.123010] pci 0000:00:00.0: bridge window [mem 0x50400000-0x504fffff] [ 9.129908] pcieport 0000:00:00.0: enabling device (0140 -> 0142) [ 9.136488] aer 0000:00:00.0:pcie002: service driver aer loaded [ 9.142878] pci 0000:01:00.0: enabling device (0140 -> 0142) [ 9.148630] ------------[ cut here ]------------ [ 9.153266] kernel BUG at mm/vmalloc.c:1361! [ 9.157551] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM [ 9.163407] Modules linked in: [ 9.166472] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.9.23-1-rc4 #16 [ 9.174250] Hardware name: Sigma Tango DT [ 9.178273] task: df4229c0 task.stack: df43a000 [ 9.182827] PC is at __get_vm_area_node+0x148/0x14c [ 9.187724] LR is at 0xffffffff [ 9.190875] pc : [] lr : [] psr: 20070013 [ 9.190875] sp : df43bd20 ip : 001fff00 fp : df56cc10 [ 9.202411] r10: 00000000 r9 : 00000000 r8 : 024000c0 [ 9.207656] r7 : 00050400 r6 : 50400000 r5 : 00000000 r4 : ffffffff [ 9.214211] r3 : e0800000 r2 : 00000001 r1 : 00000001 r0 : 00002000 [ 9.220769] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 9.227936] Control: 10c5387d Table: 9f70004a DAC: 00000051 [ 9.233706] Process swapper/0 (pid: 1, stack limit = 0xdf43a210) [ 9.239738] Stack: (0xdf43bd20 to 0xdf43c000) [ 9.244113] bd20: 00000005 00000002 c0310dc8 ffffffff 00000000 50400000 00050400 c05ada44 [ 9.252332] bd40: 00000000 c01bae34 ff800000 ffffffff 024000c0 c039f260 00002000 c0111b1c [ 9.260550] bd60: df601000 000c0300 00002000 0000ffff c0e2ee20 df56cc00 00000000 c0111c88 [ 9.268768] bd80: c039f260 01420300 c05b4580 c039f260 c0e61324 00000001 00000000 c0e0fe20 [ 9.276985] bda0: 00000000 c05b4570 df601000 c05b4580 0000ffff c0e2ee20 df56cc00 00000000 [ 9.285203] bdc0: df56cc10 c0309260 df601468 df60149c df601000 df625c14 df625c00 df43be30 [ 9.293421] bde0: 00000000 c02f797c df601000 df625c14 df625c00 c02f7a30 df559014 df601400 [ 9.301639] be00: df559000 c02f7a64 df55900c df55900c df559000 c0310a80 df43be30 00000000 [ 9.309856] be20: c0e10078 df59b1c0 df56cc00 c058e744 df43be30 df43be30 50000000 503fffff [ 9.318074] be40: dfbf7524 00000200 00000000 00000000 00000000 00000000 df6df1c0 df56cc10 [ 9.326292] be60: c0e0ff88 df56cc44 c0e0ff88 00000000 00000007 00000000 dfffee80 c03508d8 [ 9.334510] be80: c0e61324 df56cc10 df56cc44 c034f388 df56cc10 c0e0ff88 df56cc44 00000000 [ 9.342728] bea0: 00000076 c034f4d8 00000000 c0e0ff88 c034f414 c034d8d0 df40565c df5423b4 [ 9.350946] bec0: c0e0ff88 df4a1480 c0e17728 c034e960 c058e81c ffffe000 c0633b8c c0e0ff88 [ 9.359164] bee0: ffffe000 c0633b8c c0628834 c034fa3c c0616a64 ffffe000 c0633b8c c010175c [ 9.367381] bf00: c0e0a3c8 00000000 00000000 c021c834 c05a5c00 df48df80 00000000 c0e09240 [ 9.375599] bf20: c05e1a98 c050f824 00000076 c01329f8 c059efa4 c05e1160 00000000 00000006 [ 9.383817] bf40: 00000006 c0574760 c0e09228 c0e2ee00 c0e2ee00 c0e2ee00 c0633b8c c0628834 [ 9.392035] bf60: 00000076 00000007 c062883c c0600dbc 00000006 00000006 00000000 c06005ac [ 9.400253] bf80: b89dae88 00000000 c04ba494 00000000 00000000 00000000 00000000 00000000 [ 9.408470] bfa0: 00000000 c04ba49c 00000000 c0107678 00000000 00000000 00000000 00000000 [ 9.416687] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 9.424904] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 aa7350b3 5db57fca [ 9.433127] [] (__get_vm_area_node) from [] (get_vm_area_caller+0x48/0x50) [ 9.441788] [] (get_vm_area_caller) from [] (__arm_ioremap_pfn_caller+0x94/0x1b4) [ 9.451057] [] (__arm_ioremap_pfn_caller) from [] (__arm_ioremap_caller+0x4c/0x54) [ 9.460419] [] (__arm_ioremap_caller) from [] (quirk_usb_early_handoff+0x2f0/0x790) [ 9.469866] [] (quirk_usb_early_handoff) from [] (pci_do_fixups+0x94/0xc8) [ 9.478526] [] (pci_do_fixups) from [] (pci_bus_add_device+0x18/0x90) [ 9.486745] [] (pci_bus_add_device) from [] (pci_bus_add_devices+0x3c/0x80) [ 9.495489] [] (pci_bus_add_devices) from [] (pci_bus_add_devices+0x70/0x80) [ 9.504320] [] (pci_bus_add_devices) from [] (pci_host_common_probe+0x100/0x314) [ 9.513502] [] (pci_host_common_probe) from [] (platform_drv_probe+0x34/0x6c) [ 9.522420] [] (platform_drv_probe) from [] (really_probe+0x1c4/0x250) [ 9.530727] [] (really_probe) from [] (__driver_attach+0xc4/0xc8) [ 9.538596] [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [ 9.546815] [] (bus_for_each_dev) from [] (bus_add_driver+0x108/0x214) [ 9.555121] [] (bus_add_driver) from [] (driver_register+0x78/0xf4) [ 9.563165] [] (driver_register) from [] (do_one_initcall+0x44/0x170) [ 9.571386] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1e0) [ 9.580131] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x10c) [ 9.588352] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [ 9.595959] Code: eb001776 e3a00000 e28dd00c e8bd83f0 (e7f001f2) [ 9.602080] ---[ end trace 4ee1a301cee5ee8b ]--- [ 9.606716] Kernel panic - not syncing: Fatal exception in interrupt [ 9.613101] CPU1: stopping [ 9.615818] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 4.9.23-1-rc4 #16 [ 9.623597] Hardware name: Sigma Tango DT [ 9.627630] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 9.635414] [] (show_stack) from [] (dump_stack+0x84/0x98) [ 9.642672] [] (dump_stack) from [] (handle_IPI+0x168/0x17c) [ 9.650105] [] (handle_IPI) from [] (gic_handle_irq+0x88/0x8c) [ 9.657712] [] (gic_handle_irq) from [] (__irq_svc+0x6c/0xa8) [ 9.665229] Exception stack(0xdf45bf98 to 0xdf45bfe0) [ 9.670300] bf80: 00000000 00004c80 [ 9.678518] bfa0: dfbe6270 c0114400 df45a000 c0e02fe4 00000002 c0e03034 c0e0b80c 413fc090 [ 9.686736] bfc0: 00000000 00000000 60000013 df45bfe8 c01080c0 c01080c4 60000013 ffffffff [ 9.694956] [] (__irq_svc) from [] (arch_cpu_idle+0x38/0x3c) [ 9.702393] [] (arch_cpu_idle) from [] (cpu_startup_entry+0xcc/0x144) [ 9.710612] [] (cpu_startup_entry) from [<8010152c>] (0x8010152c) [ 9.717607] ---[ end Kernel panic - not syncing: Fatal exception in interrupt