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[209.132.180.67]) by mx.google.com with ESMTP id b3-v6si3969768pld.117.2018.03.15.05.59.13; Thu, 15 Mar 2018 05:59:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752113AbeCOM6T convert rfc822-to-8bit (ORCPT + 99 others); Thu, 15 Mar 2018 08:58:19 -0400 Received: from netsrv01.beckhoff.com ([62.159.14.10]:50295 "EHLO Netsrv01.beckhoff.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752025AbeCOM6Q (ORCPT ); Thu, 15 Mar 2018 08:58:16 -0400 X-Greylist: delayed 899 seconds by postgrey-1.27 at vger.kernel.org; Thu, 15 Mar 2018 08:58:15 EDT Received: from NT-MAIL04.beckhoff.com ([10.1.0.29]) by NT-Mail02.beckhoff.com ([fe80::b0eb:b617:67dd:63ec%14]) with mapi id 14.03.0301.000; Thu, 15 Mar 2018 13:43:14 +0100 From: =?iso-8859-1?Q?Patrick_Br=FCnn?= To: Philipp Zabel CC: Shawn Guo , Sascha Hauer , Fabio Estevam , Michael Turquette , Stephen Boyd , "linux-arm-kernel@lists.infradead.org" , "linux-clk@vger.kernel.org" , "linux-kernel@vger.kernel.org" , linux-kernel-dev Subject: Re: [PATCH] clk: imx51: uart4, uart5 gates only exist on imx50, imx53 Thread-Topic: Re: [PATCH] clk: imx51: uart4, uart5 gates only exist on imx50, imx53 Thread-Index: AdO8WYz/ePIY4Y4AR4ar/zJUI8ARRA== Date: Thu, 15 Mar 2018 12:43:13 +0000 Message-ID: <3BB206AB2B1BD448954845CE6FF69A8E01F81FD1B9@nt-mail04> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.17.64.133] x-olx-disclaimer: Done Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi list, since v4.16-rc1 my board imx53-cx9020 shows multiple WARNINGs like this: [ 0.408673] ------------[ cut here ]------------ [ 0.408713] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0 [ 0.408717] Modules linked in: [ 0.408736] CPU: 0 PID: 1 Comm: swapper Not tainted 4.16.0-rc5 #312 [ 0.408741] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.408777] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.408792] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.408808] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.408820] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.408831] [] (warn_slowpath_null) from [] (clk_core_disable+0x1ac/0x1b0) [ 0.408845] [] (clk_core_disable) from [] (clk_core_disable_lock+0x28/0x34) [ 0.408857] [] (clk_core_disable_lock) from [] (clk_disable+0x2c/0x30) [ 0.408872] [] (clk_disable) from [] (imx_clk_disable_uart+0x5c/0x70) [ 0.408887] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.408905] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.408920] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.408932] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.408938] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.408946] dfa0: 00000000 00000000 00000000 00000000 [ 0.408955] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.408963] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.408968] ---[ end trace 6801852caf2a2e4e ]--- At first I suspected the new rtc-mxc_v2 driver, but even with CONFIG_RTC_DRV_MXC_V2 not set I get the same WARNINGs. Reverting commit 59dc3d8c867370b4860c9df3eb5483da46823a4b made them disappear (w/o rtc driver). I have no idea what's happening, as CX9020 is using uart2. Do you have an idea? Thanks and regards, Patrick p.s.: full kernel log: dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.16.0-rc5 (patrickbr@lbs1) (gcc version 6.3.0 20170516 (Debian 6.3.0-18)) #312 PREEMPT Thu Mar 15 13:20:28 CET 2018 [ 0.000000] CPU: ARMv7 Processor [412fc085] revision 5 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Beckhoff CX9020 Embedded PC [ 0.000000] Memory policy: Data cache writeback [ 0.000000] cma: Reserved 16 MiB at 0xcf000000 [ 0.000000] On node 0 totalpages: 262144 [ 0.000000] Normal zone: 1152 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] HighMem zone: 131072 pages, LIFO batch:31 [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] random: fast init done [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260992 [ 0.000000] Kernel command line: console=ttymxc1,115200 libphy.num_phys=2 console=tty0 quiet root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait fixrtc [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Memory: 1009948K/1048576K available (7168K kernel code, 542K rwdata, 2280K rodata, 1024K init, 690K bss, 22244K reserved, 16384K cma-reserved, 507904K highmem) [ 0.000000] Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xe0800000 - 0xff800000 ( 496 MB) lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) modules : 0xbf000000 - 0xbfe00000 ( 14 MB) .text : 0x(ptrval) - 0x(ptrval) (8160 kB) .init : 0x(ptrval) - 0x(ptrval) (1024 kB) .data : 0x(ptrval) - 0x(ptrval) ( 543 kB) .bss : 0x(ptrval) - 0x(ptrval) ( 691 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] ftrace: allocating 24415 entries in 72 pages [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] Tasks RCU enabled. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] TrustZone Interrupt Controller (TZIC) initialized [ 0.000000] CPU identified as i.MX53, unknown revision [ 0.000000] Switching to timer-based delay loop, resolution 29ns [ 0.000010] sched_clock: 32 bits at 33MHz, resolution 29ns, wraps every 64424507889ns [ 0.000023] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 57337812242 ns [ 0.000697] Console: colour dummy device 80x30 [ 0.000716] console [tty0] enabled [ 0.000746] Calibrating delay loop (skipped), value calculated using timer frequency.. 66.66 BogoMIPS (lpj=333333) [ 0.000761] pid_max: default: 32768 minimum: 301 [ 0.001062] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.001075] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.001910] CPU: Testing write buffer coherency: ok [ 0.002695] Setting up static identity map for 0x70100000 - 0x7010003c [ 0.002865] Hierarchical SRCU implementation. [ 0.006423] devtmpfs: initialized [ 0.011240] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 2 [ 0.011525] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.011544] futex hash table entries: 256 (order: -1, 3072 bytes) [ 0.012785] pinctrl core: initialized pinctrl subsystem [ 0.013833] NET: Registered protocol family 16 [ 0.015747] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.019106] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.022635] imx53-pinctrl 53fa8000.iomuxc: initialized IMX pinctrl driver [ 0.043050] SCSI subsystem initialized [ 0.043379] libata version 3.00 loaded. [ 0.043626] usbcore: registered new interface driver usbfs [ 0.043678] usbcore: registered new interface driver hub [ 0.043759] usbcore: registered new device driver usb [ 0.043919] usb_phy_generic usbphy-0: usbphy-0 supply vcc not found, using dummy regulator [ 0.044105] usb_phy_generic usbphy-1: usbphy-1 supply vcc not found, using dummy regulator [ 0.044921] i2c i2c-1: IMX I2C adapter registered [ 0.044938] i2c i2c-1: can't use DMA, using PIO instead. [ 0.045040] pps_core: LinuxPPS API ver. 1 registered [ 0.045046] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.045065] PTP clock support registered [ 0.046347] clocksource: Switched to clocksource mxc_timer1 [ 0.119772] NET: Registered protocol family 2 [ 0.120518] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes) [ 0.120545] TCP established hash table entries: 4096 (order: 2, 16384 bytes) [ 0.120584] TCP bind hash table entries: 4096 (order: 2, 16384 bytes) [ 0.120621] TCP: Hash tables configured (established 4096 bind 4096) [ 0.120772] UDP hash table entries: 256 (order: 0, 4096 bytes) [ 0.120788] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) [ 0.120942] NET: Registered protocol family 1 [ 0.121589] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 0.121681] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available [ 0.123109] workingset: timestamp_bits=14 max_order=18 bucket_order=4 [ 0.128601] zbud: loaded [ 0.130396] fuse init (API version 7.26) [ 0.135702] bounce: pool size: 64 pages [ 0.135815] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 0.136033] io scheduler noop registered [ 0.136040] io scheduler deadline registered [ 0.136453] io scheduler cfq registered (default) [ 0.136463] io scheduler mq-deadline registered [ 0.139061] imx-sdma 63fb0000.sdma: Direct firmware load for imx/sdma/sdma-imx53.bin failed with error -2 [ 0.139073] imx-sdma 63fb0000.sdma: Falling back to user helper [ 0.141381] Serial: 8250/16550 driver, 6 ports, IRQ sharing disabled [ 0.143414] 53fc0000.serial: ttymxc1 at MMIO 0x53fc0000 (irq = 48, base_baud = 4166666) is a IMX [ 0.143679] console [ttymxc1] enabled [ 0.145425] tfp410-bridge dvi-converter: Connector's ddc i2c bus found [ 0.146948] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 0.146957] [drm] No driver support for vblank timestamp query. [ 0.147158] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops) [ 0.147260] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops) [ 0.147371] imx-drm display-subsystem: bound display-0 (ops imx_pd_ops) [ 0.260163] Console: switching to colour frame buffer device 240x75 [ 0.275934] imx-drm display-subsystem: fb0: frame buffer device [ 0.276637] [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on minor 0 [ 0.276686] imx-ipuv3 18000000.ipu: IPUv3M probed [ 0.278061] libphy: Fixed MDIO Bus: probed [ 0.278975] fec 63fec000.ethernet: 63fec000.ethernet supply phy not found, using dummy regulator [ 0.286076] libphy: fec_enet_mii_bus: probed [ 0.287846] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.287873] ehci-platform: EHCI generic platform driver [ 0.292128] ci_hdrc ci_hdrc.0: doesn't support gadget [ 0.292140] ci_hdrc ci_hdrc.0: no supported roles [ 0.300260] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 0.300513] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 0.326390] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 0.326667] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.326676] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.326683] usb usb1: Product: EHCI Host Controller [ 0.326689] usb usb1: Manufacturer: Linux 4.16.0-rc5 ehci_hcd [ 0.326696] usb usb1: SerialNumber: ci_hdrc.1 [ 0.327293] hub 1-0:1.0: USB hub found [ 0.327340] hub 1-0:1.0: 1 port detected [ 0.328670] mousedev: PS/2 mouse device common for all mice [ 0.328678] i2c /dev entries driver [ 0.329890] imx2-wdt 53f98000.wdog: timeout 60 sec (nowayout=1) [ 0.330272] sdhci: Secure Digital Host Controller Interface driver [ 0.330277] sdhci: Copyright(c) Pierre Ossman [ 0.330281] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.330982] sdhci-esdhc-imx 50004000.esdhc: Got CD GPIO [ 0.356584] mmc0: SDHCI controller on 50004000.esdhc [50004000.esdhc] using ADMA [ 0.357342] sdhci-esdhc-imx 50008000.esdhc: Got CD GPIO [ 0.382616] mmc1: SDHCI controller on 50008000.esdhc [50008000.esdhc] using ADMA [ 0.383766] hidraw: raw HID events driver (C) Jiri Kosina [ 0.384195] usbcore: registered new interface driver usbhid [ 0.384201] usbhid: USB HID core driver [ 0.385807] NET: Registered protocol family 10 [ 0.387827] Segment Routing with IPv6 [ 0.387906] mip6: Mobile IPv6 [ 0.387922] NET: Registered protocol family 17 [ 0.387964] Key type dns_resolver registered [ 0.388149] ThumbEE CPU extension supported. [ 0.388742] registered taskstats version 1 [ 0.388946] zswap: loaded using pool lzo/zbud [ 0.390385] Key type encrypted registered [ 0.391467] mmc0: host does not support reading read-only switch, assuming write-enable [ 0.394571] mmc0: new high speed SD card at address b368 [ 0.396122] mmcblk0: mmc0:b368 AF UD 471 MiB [ 0.405724] hctosys: unable to open rtc device (rtc0) [ 0.406481] mmcblk0: p1 [ 0.408673] ------------[ cut here ]------------ [ 0.408713] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0 [ 0.408717] Modules linked in: [ 0.408736] CPU: 0 PID: 1 Comm: swapper Not tainted 4.16.0-rc5 #312 [ 0.408741] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.408777] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.408792] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.408808] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.408820] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.408831] [] (warn_slowpath_null) from [] (clk_core_disable+0x1ac/0x1b0) [ 0.408845] [] (clk_core_disable) from [] (clk_core_disable_lock+0x28/0x34) [ 0.408857] [] (clk_core_disable_lock) from [] (clk_disable+0x2c/0x30) [ 0.408872] [] (clk_disable) from [] (imx_clk_disable_uart+0x5c/0x70) [ 0.408887] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.408905] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.408920] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.408932] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.408938] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.408946] dfa0: 00000000 00000000 00000000 00000000 [ 0.408955] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.408963] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.408968] ---[ end trace 6801852caf2a2e4e ]--- [ 0.408974] ------------[ cut here ]------------ [ 0.408985] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0 [ 0.408988] Modules linked in: [ 0.408999] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409003] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409014] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409024] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409034] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409043] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409054] [] (warn_slowpath_null) from [] (clk_core_unprepare+0x1a8/0x1c0) [ 0.409067] [] (clk_core_unprepare) from [] (clk_unprepare+0x34/0x3c) [ 0.409078] [] (clk_unprepare) from [] (imx_clk_disable_uart+0x64/0x70) [ 0.409089] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409100] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409110] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.409120] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.409125] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.409132] dfa0: 00000000 00000000 00000000 00000000 [ 0.409141] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.409148] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.409153] ---[ end trace 6801852caf2a2e4f ]--- [ 0.409158] ------------[ cut here ]------------ [ 0.409166] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0 [ 0.409169] Modules linked in: [ 0.409178] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409182] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409193] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409202] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409211] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409221] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409231] [] (warn_slowpath_null) from [] (clk_core_disable+0x1ac/0x1b0) [ 0.409242] [] (clk_core_disable) from [] (clk_core_disable_lock+0x28/0x34) [ 0.409253] [] (clk_core_disable_lock) from [] (clk_disable+0x2c/0x30) [ 0.409263] [] (clk_disable) from [] (imx_clk_disable_uart+0x5c/0x70) [ 0.409273] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409283] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409293] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.409303] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.409307] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.409314] dfa0: 00000000 00000000 00000000 00000000 [ 0.409323] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.409331] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.409336] ---[ end trace 6801852caf2a2e50 ]--- [ 0.409340] ------------[ cut here ]------------ [ 0.409349] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0 [ 0.409352] Modules linked in: [ 0.409361] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409365] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409375] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409384] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409393] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409402] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409412] [] (warn_slowpath_null) from [] (clk_core_unprepare+0x1a8/0x1c0) [ 0.409423] [] (clk_core_unprepare) from [] (clk_unprepare+0x34/0x3c) [ 0.409434] [] (clk_unprepare) from [] (imx_clk_disable_uart+0x64/0x70) [ 0.409445] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409455] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409465] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.409475] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.409480] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.409486] dfa0: 00000000 00000000 00000000 00000000 [ 0.409495] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.409503] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.409508] ---[ end trace 6801852caf2a2e51 ]--- [ 0.409512] ------------[ cut here ]------------ [ 0.409521] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0 [ 0.409524] Modules linked in: [ 0.409533] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409537] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409547] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409556] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409565] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409574] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409585] [] (warn_slowpath_null) from [] (clk_core_disable+0x1ac/0x1b0) [ 0.409596] [] (clk_core_disable) from [] (clk_core_disable_lock+0x28/0x34) [ 0.409607] [] (clk_core_disable_lock) from [] (clk_disable+0x2c/0x30) [ 0.409617] [] (clk_disable) from [] (imx_clk_disable_uart+0x5c/0x70) [ 0.409627] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409637] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409647] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.409656] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.409661] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.409668] dfa0: 00000000 00000000 00000000 00000000 [ 0.409677] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.409684] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.409689] ---[ end trace 6801852caf2a2e52 ]--- [ 0.409693] ------------[ cut here ]------------ [ 0.409702] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0 [ 0.409704] Modules linked in: [ 0.409714] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409718] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409728] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409737] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409746] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409755] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409766] [] (warn_slowpath_null) from [] (clk_core_unprepare+0x1a8/0x1c0) [ 0.409776] [] (clk_core_unprepare) from [] (clk_unprepare+0x34/0x3c) [ 0.409787] [] (clk_unprepare) from [] (imx_clk_disable_uart+0x64/0x70) [ 0.409797] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409808] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409818] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.409827] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.409832] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.409839] dfa0: 00000000 00000000 00000000 00000000 [ 0.409848] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.409856] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.409861] ---[ end trace 6801852caf2a2e53 ]--- [ 0.409865] ------------[ cut here ]------------ [ 0.409873] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0 [ 0.409876] Modules linked in: [ 0.409885] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.409889] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.409899] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.409908] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.409917] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.409926] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.409936] [] (warn_slowpath_null) from [] (clk_core_disable+0x1ac/0x1b0) [ 0.409947] [] (clk_core_disable) from [] (clk_core_disable_lock+0x28/0x34) [ 0.409958] [] (clk_core_disable_lock) from [] (clk_disable+0x2c/0x30) [ 0.409968] [] (clk_disable) from [] (imx_clk_disable_uart+0x5c/0x70) [ 0.409978] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.409988] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.409999] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.410008] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.410013] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.410020] dfa0: 00000000 00000000 00000000 00000000 [ 0.410028] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.410036] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.410041] ---[ end trace 6801852caf2a2e54 ]--- [ 0.410045] ------------[ cut here ]------------ [ 0.410054] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0 [ 0.410056] Modules linked in: [ 0.410066] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312 [ 0.410070] Hardware name: Freescale i.MX53 (Device Tree Support) [ 0.410080] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) [ 0.410089] [] (show_stack) from [] (dump_stack+0x24/0x28) [ 0.410098] [] (dump_stack) from [] (__warn+0x100/0x118) [ 0.410108] [] (__warn) from [] (warn_slowpath_null+0x50/0x58) [ 0.410118] [] (warn_slowpath_null) from [] (clk_core_unprepare+0x1a8/0x1c0) [ 0.410129] [] (clk_core_unprepare) from [] (clk_unprepare+0x34/0x3c) [ 0.410140] [] (clk_unprepare) from [] (imx_clk_disable_uart+0x64/0x70) [ 0.410150] [] (imx_clk_disable_uart) from [] (do_one_initcall+0x64/0x19c) [ 0.410160] [] (do_one_initcall) from [] (kernel_init_freeable+0x14c/0x1e0) [ 0.410170] [] (kernel_init_freeable) from [] (kernel_init+0x18/0x124) [ 0.410179] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.410184] Exception stack(0xdf90dfb0 to 0xdf90dff8) [ 0.410191] dfa0: 00000000 00000000 00000000 00000000 [ 0.410200] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.410208] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 0.410213] ---[ end trace 6801852caf2a2e55 ]--- [ 0.416573] EXT4-fs (mmcblk0p1): mounted filesystem without journal. Opts: (null) [ 0.416661] VFS: Mounted root (ext4 filesystem) readonly on device 179:1. [ 0.420559] devtmpfs: mounted [ 0.425193] Freeing unused kernel memory: 1024K [ 0.696469] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 0.809863] systemd[1]: System time before build time, advancing clock. [ 0.839865] systemd[1]: Failed to insert module 'autofs4': No such file or directory [ 0.873145] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 0.873826] systemd[1]: Detected architecture arm. [ 0.874785] systemd[1]: Set hostname to . [ 0.897151] usb 1-1: New USB device found, idVendor=0424, idProduct=2514 [ 0.897168] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 0.897873] hub 1-1:1.0: USB hub found [ 0.897991] hub 1-1:1.0: 4 ports detected [ 1.216525] usb 1-1.1: new high-speed USB device number 3 using ci_hdrc [ 1.360035] systemd[1]: Reached target Swap. [ 1.360585] systemd[1]: Reached target Remote File Systems. [ 1.360946] systemd[1]: Listening on fsck to fsckd communication Socket. [ 1.361440] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ 1.361811] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe. [ 1.362201] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ 1.363297] systemd[1]: Created slice System Slice. [ 1.377182] usb 1-1.1: New USB device found, idVendor=05e3, idProduct=0610 [ 1.377198] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.377205] usb 1-1.1: Product: USB2.0 Hub [ 1.377211] usb 1-1.1: Manufacturer: GenesysLogic [ 1.379076] hub 1-1.1:1.0: USB hub found [ 1.380676] hub 1-1.1:1.0: 4 ports detected [ 3.676492] usb 1-1.1.2: new high-speed USB device number 4 using ci_hdrc [ 3.827769] usb 1-1.1.2: New USB device found, idVendor=0451, idProduct=8142 [ 3.827788] usb 1-1.1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 3.827796] usb 1-1.1.2: SerialNumber: 7A030869B55E [ 3.828516] hub 1-1.1.2:1.0: USB hub found [ 3.828753] hub 1-1.1.2:1.0: 4 ports detected [ 3.867227] EXT4-fs (mmcblk0p1): re-mounted. Opts: errors=remount-ro [ 4.110288] systemd-journald[91]: Received request to flush runtime journal from PID 1 [ 4.146573] usb 1-1.1.2.4: new high-speed USB device number 5 using ci_hdrc [ 4.301003] usb 1-1.1.2.4: New USB device found, idVendor=0451, idProduct=8142 [ 4.301018] usb 1-1.1.2.4: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 4.301026] usb 1-1.1.2.4: SerialNumber: 7A030849B55E [ 4.301778] hub 1-1.1.2.4:1.0: USB hub found [ 4.302002] hub 1-1.1.2.4:1.0: 4 ports detected [ 4.616480] usb 1-1.1.2.4.3: new full-speed USB device number 6 using ci_hdrc [ 4.790027] usb 1-1.1.2.4.3: New USB device found, idVendor=0451, idProduct=ca01 [ 4.790047] usb 1-1.1.2.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 4.790055] usb 1-1.1.2.4.3: Product: Texas Instruments USBtoI2C Solution [ 4.790062] usb 1-1.1.2.4.3: Manufacturer: Texas Instruments [ 4.790068] usb 1-1.1.2.4.3: SerialNumber: [ 4.804574] hid-generic 0003:0451:CA01.0001: hiddev0,hidraw0: USB HID v1.00 Device [Texas Instruments Texas Instruments USBtoI2C Solution] on usb-ci_hdrc.1-1.1.2.4.3/input0 [ 4.873609] Generic PHY 63fec000.ethernet-1:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=63fec000.ethernet-1:01, irq=POLL) [ 4.873815] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 5.106386] usb 1-1.1.2.4.2: new low-speed USB device number 7 using ci_hdrc [ 5.266510] usb 1-1.1.2.4.2: New USB device found, idVendor=046a, idProduct=0011 [ 5.266524] usb 1-1.1.2.4.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.282646] input: HID 046a:0011 as /devices/platform/soc/50000000.aips/53f80200.usb/ci_hdrc.1/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2.4/1-1.1.2.4.2/1-1.1.2.4.2:1.0/0003:046A:0011.0002/input/input0 [ 5.346763] hid-generic 0003:046A:0011.0002: input,hidraw1: USB HID v1.11 Keyboard [HID 046a:0011] on usb-ci_hdrc.1-1.1.2.4.2/input0 [ 6.966965] fec 63fec000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 6.967001] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 19.811909] random: crng init done --- Beckhoff Automation GmbH & Co. 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