Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758906AbcDHUkH (ORCPT ); Fri, 8 Apr 2016 16:40:07 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:33706 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbcDHUkD (ORCPT ); Fri, 8 Apr 2016 16:40:03 -0400 From: Nishanth Menon Subject: next-20160401+: ARM: DRA7: linux-next regression: mm/slab: clean-up kmem_cache_node setup X-Enigmail-Draft-Status: N1110 To: Joonsoo Kim , Andrew Morton , Tony Lindgren , Russell King CC: linux-omap , "linux-arm-kernel@lists.infradead.org" , lkml , linux-next Message-ID: <570816F8.9070301@ti.com> Date: Fri, 8 Apr 2016 15:39:20 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 22195 Lines: 292 Hi, http://marc.info/?l=linux-omap&m=146014314115625&w=2 series works with v4.6-rc2 kernel, however, it fails with linux-next for suspend-to-ram (mem) on BeagleBoard-X15 next-20160327 - good next-20160329 - good next-20160330 - Fails to boot - I2C crashes next-20160331- Fails to boot - USB crashes next-20160401 -> bad next-20160408 -> bad Bisect log of next-20160408 vs v4.6-rc2 -> http://pastebin.ubuntu.com/15697856/ # first bad commit: [2b629704a2b6a5b239f23750e5517a9d8c3a4e8c] mm/slab: clean-up kmem_cache_node setup Fail bootlog @ 2b629704a2b6a5b239f23750e5517a9d8c3a4e8c http://pastebin.ubuntu.com/15698107/ Working bootlog @ 7a6bacb133752beacb76775797fd550417e9d3a2: http://pastebin.ubuntu.com/15698220/ Crash Signature (from full log): > > rtcwake: wakeup from "mem" using /dev/rtc0 at Mon Jan 1 00:00:53 2001 > [ 51.631373] PM: Syncing filesystems ... done. > [ 51.683927] Freezing user space processes ... (elapsed 0.003 seconds) done. > [ 51.694960] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. > [ 51.875457] PM: suspend of devices complete after 167.835 msecs > [ 51.885396] PM: late suspend of devices complete after 3.714 msecs > [ 51.896333] PM: noirq suspend of devices complete after 4.441 msecs > [ 51.902972] Disabling non-boot CPUs ... > [ 51.911312] CPU1: shutdown > [ 51.950123] Powerdomain (l4per_pwrdm) didn't enter target state 1 > [ 51.950123] Powerdomain (l3init_pwrdm) didn't enter target state 1 > [ 51.950123] Could not enter target state in pm_suspend > [ 51.950123] A possible cause could be an old bootloader - try u-boot >= v2012.07 > [ 51.950407] Enabling non-boot CPUs ... > [ 52.005646] CPU1: smp_ops.cpu_die() returned, trying to resuscitate > [ 52.006271] CPU1 is up > [ 52.018194] PM: noirq resume of devices complete after 2.846 msecs > [ 52.028303] PM: early resume of devices complete after 2.998 msecs > [ 52.037132] net eth0: initializing cpsw version 1.15 (0) > [ 52.042545] Unable to handle kernel paging request at virtual address ffffff81 > [ 52.042549] pgd = c0004000 > [ 52.042559] [ffffff81] *pgd=afffd861, *pte=00000000, *ppte=00000000 > [ 52.042566] Internal error: Oops: 837 [#1] SMP ARM > [ 52.042642] Modules linked in: xhci_plat_hcd xhci_hcd usbcore encoder_tpd12s015 connector_hdmi omapfb cfbcopyarea > cfbimgblt cfbfillrect dwc3 leds_gpio snd_soc_simple_card led_class evdev cpufreq_dt udc_core gpio_fan omapdss extcon_ > usb_gpio snd_soc_tlv320aic3x snd_soc_davinci_mcasp phy_omap_usb2 omap_wdt rtc_omap extcon_palmas snd_soc_omap snd_soc > _edma ti_soc_thermal tmp102 snd_soc_core snd_pcm_dmaengine dwc3_omap rtc_palmas extcon snd_pcm snd_timer palmas_pwrbu > tton thermal_sys snd at24 nvmem_core rtc_ds1307 hwmon soundcore > [ 52.042649] CPU: 0 PID: 78 Comm: kworker/0:2 Not tainted 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 52.042651] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 52.042667] Workqueue: events cache_reap > [ 52.042671] task: ee73b0c0 ti: ee73c000 task.ti: ee73c000 > [ 52.042676] PC is at free_block+0xf4/0x160 > [ 52.042680] LR is at 0xeddf51e0 > [ 52.042684] pc : [] lr : [] psr: 20070093 > [ 52.042684] sp : ee73de18 ip : 00000002 fp : ee73de50 > [ 52.042687] r10: c1882280 r9 : 00000100 r8 : 00000200 > [ 52.042691] r7 : ffffff7f r6 : 00000005 r5 : 04f4a70a r4 : ee3dbd00 > [ 52.042694] r3 : ef46b674 r2 : ee484190 r1 : ee484014 r0 : ee26d980 > [ 52.042698] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none > [ 52.042701] Control: 10c5387d Table: acc8c06a DAC: 00000051 > [ 52.042705] Process kworker/0:2 (pid: 78, stack limit = 0xee73c218) > [ 52.042708] Stack: (0xee73de18 to 0xee73e000) > [ 52.042711] de00: ee3dbd20 ee3dbd30 > [ 52.042717] de20: c10035f0 ee484000 ee73de50 00000060 ee26d980 ee3dbd00 ee484010 ee73de78 > [ 52.042723] de40: c10035f0 c027779c ee73de50 c07930fc ee73de50 ee73de50 ee3dbc00 ee26d980 > [ 52.042728] de60: ee3dbd00 00000000 c1002100 c104dc68 ee73c000 c0277b10 00000000 00000000 > [ 52.042733] de80: 00000000 eed717d0 ee720580 eed717d0 ee720580 eed74100 ee73dec8 eed7aa00 > [ 52.042738] dea0: c10029cc c10c1ca0 00000001 c01537fc 00000001 00000000 c0153744 eed74100 > [ 52.042743] dec0: 00000000 00000000 c1882fd8 c12107e0 00000000 c09a8e70 ee720580 eed74100 > [ 52.042749] dee0: ee720598 00000008 eed74134 ee73c000 c1002100 eed74100 ee720580 c0153c88 > [ 52.042753] df00: 00000000 ee720580 c0153c4c 00000000 ee723000 ee720580 c0153c4c 00000000 > [ 52.042758] df20: 00000000 00000000 00000000 c0159b74 00000000 00000000 ee0ea100 ee720580 > [ 52.042764] df40: 00000000 00000000 dead4ead ffffffff ffffffff c10c7db0 00000000 00000000 > [ 52.042769] df60: c0994a18 ee73df64 ee73df64 00000000 00000000 dead4ead ffffffff ffffffff > [ 52.042774] df80: c10c7db0 00000000 00000000 c0994a18 ee73df90 ee73df90 ee723000 ee723000 > [ 52.042779] dfa0: c0159aa4 00000000 00000000 c01078d0 00000000 00000000 00000000 00000000 > [ 52.042784] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > [ 52.042789] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 > [ 52.042800] [] (free_block) from [] (drain_array+0xb4/0xf4) > [ 52.042808] [] (drain_array) from [] (cache_reap+0xc0/0x140) > [ 52.042820] [] (cache_reap) from [] (process_one_work+0x1fc/0x64c) > [ 52.042828] [] (process_one_work) from [] (worker_thread+0x3c/0x544) > [ 52.042836] [] (worker_thread) from [] (kthread+0xd0/0xf0) > [ 52.042845] [] (kthread) from [] (ret_from_fork+0x14/0x24) > [ 52.042852] Code: e2477001 e1a05635 0583e008 e583700c (e7cc5007) > [ 52.042858] ---[ end trace 0ea6e7e1bbe6e428 ]--- > [ 52.042917] Unable to handle kernel paging request at virtual address ffffffd0 > [ 52.042919] pgd = c0004000 > [ 52.042927] [ffffffd0] *pgd=afffd861, *pte=00000000, *ppte=00000000 > [ 52.042932] Internal error: Oops: 37 [#2] SMP ARM > [ 52.043001] Modules linked in: xhci_plat_hcd xhci_hcd usbcore encoder_tpd12s015 connector_hdmi omapfb cfbcopyarea > cfbimgblt cfbfillrect dwc3 leds_gpio snd_soc_simple_card led_class evdev cpufreq_dt udc_core gpio_fan omapdss extcon_ > usb_gpio snd_soc_tlv320aic3x snd_soc_davinci_mcasp phy_omap_usb2 omap_wdt rtc_omap extcon_palmas snd_soc_omap snd_soc > _edma ti_soc_thermal tmp102 snd_soc_core snd_pcm_dmaengine dwc3_omap rtc_palmas extcon snd_pcm snd_timer palmas_pwrbu > tton thermal_sys snd at24 nvmem_core rtc_ds1307 hwmon soundcore > [ 52.043006] CPU: 0 PID: 78 Comm: kworker/0:2 Tainted: G D 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 52.043008] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 52.043019] task: ee73b0c0 ti: ee73c000 task.ti: ee73c000 > [ 52.043023] PC is at kthread_data+0x4/0xc > [ 52.043029] LR is at wq_worker_sleeping+0x8/0xcc > [ 52.043033] pc : [] lr : [] psr: 20070193 > [ 52.043033] sp : ee73dbd0 ip : eed74cc8 fp : ee73dc2c > [ 52.043035] r10: 00000001 r9 : ee73b4fc r8 : eed74700 > [ 52.043038] r7 : eed74710 r6 : c0ffa700 r5 : ee73b0c0 r4 : eed74700 > [ 52.043040] r3 : 00000000 r2 : 00000020 r1 : 00000000 r0 : ee73b0c0 > [ 52.043044] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none > [ 52.043047] Control: 10c5387d Table: acc8c06a DAC: 00000051 > [ 52.043050] Process kworker/0:2 (pid: 78, stack limit = 0xee73c218) > [ 52.043053] Stack: (0xee73dbd0 to 0xee73e000) > [ 52.043058] dbc0: eed74700 c0791d0c 00000000 00000000 > [ 52.043063] dbe0: 00000001 c045219c 60070193 c0451d48 ee56fd2c c0792218 ee73b4f0 60070113 > [ 52.043069] dc00: 00000000 ee26d580 ee73d88c ee73c000 00000000 ee0c4d40 ee73dc40 00000000 > [ 52.043075] dc20: ee73b458 00000001 ee73dc3c c0792218 ee73b0c0 ee73d88c c0276c46 c013c58c > [ 52.043080] dc40: ee73dc40 ee73dc40 00000000 60070193 c0276c46 c010c554 ee73c218 0000000b > [ 52.043086] dc60: c0276c48 ee73c000 00000000 00000008 65000000 37373432 20313030 30613165 > [ 52.043091] dc80: 35333635 38353020 30306533 35652038 30373338 28206330 63633765 37303035 > [ 52.043097] dca0: c0002029 ee73dcc4 000007ff ffffff81 ee73ddc8 00000837 00000000 00000000 > [ 52.043102] dcc0: 00000000 c1882280 ee73de50 c011d658 ffffff81 c0797f00 c10c13c9 c018c4e0 > [ 52.043108] dce0: 60070093 c018a240 00000001 ee73b660 00000000 ee73b140 eed74760 00007b45 > [ 52.043114] dd00: 00000000 c10097cc 00000837 c0797d18 ffffff81 ee73ddc8 00000100 c1882280 > [ 52.043120] dd20: ee73de50 c0101344 c11fef60 ee73b668 ffffe000 00000000 60070093 00000000 > [ 52.043126] dd40: 000001a9 ee73b140 00000072 00000001 ee73b6c8 c10808ac c1864394 ee73b0c0 > [ 52.043132] dd60: c11f16a0 c018fb14 540f0072 0000aa07 c11f8eb0 ee73b668 ee73b660 c10808ac > [ 52.043137] dd80: c1864394 ee73b0c0 c11f16a0 c018fb14 503aa078 00000005 00000001 ee73b668 > [ 52.043143] dda0: ee73b660 ee73b668 ee73b660 c018c4e0 c0276c44 20070093 ffffffff ee73ddfc > [ 52.043149] ddc0: 00000200 c07973ec ee26d980 ee484014 ee484190 ef46b674 ee3dbd00 04f4a70a > [ 52.043154] dde0: 00000005 ffffff7f 00000200 00000100 c1882280 ee73de50 00000002 ee73de18 > [ 52.043160] de00: eddf51e0 c0276c44 20070093 ffffffff 00000051 ee3dbd00 ee3dbd20 ee3dbd30 > [ 52.043166] de20: c10035f0 ee484000 ee73de50 00000060 ee26d980 ee3dbd00 ee484010 ee73de78 > [ 52.043172] de40: c10035f0 c027779c ee73de50 c07930fc ee73de50 ee73de50 ee3dbc00 ee26d980 > [ 52.043177] de60: ee3dbd00 00000000 c1002100 c104dc68 ee73c000 c0277b10 00000000 00000000 > [ 52.043183] de80: 00000000 eed717d0 ee720580 eed717d0 ee720580 eed74100 ee73dec8 eed7aa00 > [ 52.043188] dea0: c10029cc c10c1ca0 00000001 c01537fc 00000001 00000000 c0153744 eed74100 > [ 52.043194] dec0: 00000000 00000000 c1882fd8 c12107e0 00000000 c09a8e70 ee720580 eed74100 > [ 52.043200] dee0: ee720598 00000008 eed74134 ee73c000 c1002100 eed74100 ee720580 c0153c88 > [ 52.043206] df00: 00000000 ee720580 c0153c4c 00000000 ee723000 ee720580 c0153c4c 00000000 > [ 52.043211] df20: 00000000 00000000 00000000 c0159b74 00000000 00000000 ee0ea100 ee720580 > [ 52.043217] df40: 00000000 00000000 dead4ead ffffffff ffffffff c10c7db0 00000000 00000000 > [ 52.043222] df60: c0994a18 ee73df64 ee73df64 00000001 00010001 dead4ead ffffffff ffffffff > [ 52.043228] df80: c10c7db0 00000000 00000000 c0994a18 ee73df90 ee73df90 ee723000 ee723000 > [ 52.043233] dfa0: c0159aa4 00000000 00000000 c01078d0 00000000 00000000 00000000 00000000 > [ 52.043238] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > [ 52.043243] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 > [ 52.043251] [] (kthread_data) from [] (wq_worker_sleeping+0x8/0xcc) > [ 52.043263] [] (wq_worker_sleeping) from [] (__schedule+0x750/0xc14) > [ 52.043270] [] (__schedule) from [] (schedule+0x48/0xa0) > [ 52.043278] [] (schedule) from [] (do_exit+0x6f4/0xaf8) > [ 52.043283] [] (do_exit) from [] (die+0x440/0x498) > [ 52.043290] [] (die) from [] (__do_kernel_fault.part.0+0x54/0x1e4) > [ 52.043298] [] (__do_kernel_fault.part.0) from [] (do_page_fault+0x1e8/0x404) > [ 52.043305] [] (do_page_fault) from [] (do_DataAbort+0x34/0xb4) > [ 52.043311] [] (do_DataAbort) from [] (__dabt_svc+0x4c/0x80) > [ 52.043314] Exception stack(0xee73ddc8 to 0xee73de10) > [ 52.043319] ddc0: ee26d980 ee484014 ee484190 ef46b674 ee3dbd00 04f4a70a > [ 52.043324] dde0: 00000005 ffffff7f 00000200 00000100 c1882280 ee73de50 00000002 ee73de18 > [ 52.043328] de00: eddf51e0 c0276c44 20070093 ffffffff > [ 52.043336] [] (__dabt_svc) from [] (free_block+0xf4/0x160) > [ 52.043344] [] (free_block) from [] (drain_array+0xb4/0xf4) > [ 52.043352] [] (drain_array) from [] (cache_reap+0xc0/0x140) > [ 52.043360] [] (cache_reap) from [] (process_one_work+0x1fc/0x64c) > [ 52.043367] [] (process_one_work) from [] (worker_thread+0x3c/0x544) > [ 52.043374] [] (worker_thread) from [] (kthread+0xd0/0xf0) > [ 52.043381] [] (kthread) from [] (ret_from_fork+0x14/0x24) > [ 52.043386] Code: c01597c4 c10c7db0 c0994a18 e59033f0 (e5130030) > [ 52.043390] ---[ end trace 0ea6e7e1bbe6e429 ]--- > [ 52.043393] Fixing recursive fault but reboot is needed! > [ 53.046293] Generic PHY 48485000.mdio:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=48485000.mdio:01, ir > q=-1) > [ 53.428374] BUG: spinlock lockup suspected on CPU#0, kworker/0:2/78 > [ 53.434953] lock: 0xeed74700, .magic: dead4ead, .owner: kworker/0:2/78, .owner_cpu: 0 > [ 53.443263] CPU: 0 PID: 78 Comm: kworker/0:2 Tainted: G D 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 53.453209] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 53.459619] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [ 53.467748] [] (show_stack) from [] (dump_stack+0xac/0xe0) > [ 53.475335] [] (dump_stack) from [] (do_raw_spin_lock+0xec/0x1e8) > [ 53.483556] [] (do_raw_spin_lock) from [] (__schedule+0xfc/0xc14) > [ 53.491774] [] (__schedule) from [] (schedule+0x48/0xa0) > [ 53.499170] [] (schedule) from [] (do_exit+0x954/0xaf8) > [ 53.506473] [] (do_exit) from [] (die+0x440/0x498) > [ 53.513321] [] (die) from [] (__do_kernel_fault.part.0+0x54/0x1e4) > [ 53.521631] [] (__do_kernel_fault.part.0) from [] (do_page_fault+0x1e8/0x404) > [ 53.530946] [] (do_page_fault) from [] (do_DataAbort+0x34/0xb4) > [ 53.538979] [] (do_DataAbort) from [] (__dabt_svc+0x4c/0x80) > [ 53.546740] Exception stack(0xee73db80 to 0xee73dbc8) > [ 53.552043] db80: ee73b0c0 00000000 00000020 00000000 eed74700 ee73b0c0 c0ffa700 eed74710 > [ 53.560623] dba0: eed74700 ee73b4fc 00000001 ee73dc2c eed74cc8 ee73dbd0 c0154b8c c015a33c > [ 53.569199] dbc0: 20070193 ffffffff > [ 53.572862] [] (__dabt_svc) from [] (kthread_data+0x4/0xc) > [ 53.580439] [] (kthread_data) from [] (wq_worker_sleeping+0x8/0xcc) > [ 53.588834] [] (wq_worker_sleeping) from [] (__schedule+0x750/0xc14) > [ 53.597328] [] (__schedule) from [] (schedule+0x48/0xa0) > [ 53.604728] [] (schedule) from [] (do_exit+0x6f4/0xaf8) > [ 53.612034] [] (do_exit) from [] (die+0x440/0x498) > [ 53.618886] [] (die) from [] (__do_kernel_fault.part.0+0x54/0x1e4) > [ 53.627198] [] (__do_kernel_fault.part.0) from [] (do_page_fault+0x1e8/0x404) > [ 53.636511] [] (do_page_fault) from [] (do_DataAbort+0x34/0xb4) > [ 53.644543] [] (do_DataAbort) from [] (__dabt_svc+0x4c/0x80) > [ 53.652299] Exception stack(0xee73ddc8 to 0xee73de10) > [ 53.657600] ddc0: ee26d980 ee484014 ee484190 ef46b674 ee3dbd00 04f4a70a > [ 53.666180] dde0: 00000005 ffffff7f 00000200 00000100 c1882280 ee73de50 00000002 ee73de18 > [ 53.674759] de00: eddf51e0 c0276c44 20070093 ffffffff > [ 53.680063] [] (__dabt_svc) from [] (free_block+0xf4/0x160) > [ 53.687732] [] (free_block) from [] (drain_array+0xb4/0xf4) > [ 53.695406] [] (drain_array) from [] (cache_reap+0xc0/0x140) > [ 53.703169] [] (cache_reap) from [] (process_one_work+0x1fc/0x64c) > [ 53.711483] [] (process_one_work) from [] (worker_thread+0x3c/0x544) > [ 53.719980] [] (worker_thread) from [] (kthread+0xd0/0xf0) > [ 53.727553] [] (kthread) from [] (ret_from_fork+0x14/0x24) > [ 53.735129] Sending NMI to all CPUs: > [ 53.740082] NMI backtrace for cpu 0 > [ 53.743743] CPU: 0 PID: 78 Comm: kworker/0:2 Tainted: G D 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 53.753683] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 53.760071] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [ 53.768193] [] (show_stack) from [] (dump_stack+0xac/0xe0) > [ 53.775765] [] (dump_stack) from [] (nmi_cpu_backtrace+0xe0/0xfc) > [ 53.783983] [] (nmi_cpu_backtrace) from [] (raise_nmi+0x60/0x70) > [ 53.792102] [] (raise_nmi) from [] (nmi_trigger_all_cpu_backtrace+0x220/0x264) > [ 53.801497] [] (nmi_trigger_all_cpu_backtrace) from [] (do_raw_spin_lock+0xf8/0x1e8) > [ 53.811446] [] (do_raw_spin_lock) from [] (__schedule+0xfc/0xc14) > [ 53.819659] [] (__schedule) from [] (schedule+0x48/0xa0) > [ 53.827054] [] (schedule) from [] (do_exit+0x954/0xaf8) > [ 53.834355] [] (do_exit) from [] (die+0x440/0x498) > [ 53.841201] [] (die) from [] (__do_kernel_fault.part.0+0x54/0x1e4) > [ 53.849505] [] (__do_kernel_fault.part.0) from [] (do_page_fault+0x1e8/0x404) > [ 53.858815] [] (do_page_fault) from [] (do_DataAbort+0x34/0xb4) > [ 53.866843] [] (do_DataAbort) from [] (__dabt_svc+0x4c/0x80) > [ 53.874601] Exception stack(0xee73db80 to 0xee73dbc8) > [ 53.879895] db80: ee73b0c0 00000000 00000020 00000000 eed74700 ee73b0c0 c0ffa700 eed74710 > [ 53.888472] dba0: eed74700 ee73b4fc 00000001 ee73dc2c eed74cc8 ee73dbd0 c0154b8c c015a33c > [ 53.897047] dbc0: 20070193 ffffffff > [ 53.900706] [] (__dabt_svc) from [] (kthread_data+0x4/0xc) > [ 53.908282] [] (kthread_data) from [] (wq_worker_sleeping+0x8/0xcc) > [ 53.916679] [] (wq_worker_sleeping) from [] (__schedule+0x750/0xc14) > [ 53.925161] [] (__schedule) from [] (schedule+0x48/0xa0) > [ 53.932554] [] (schedule) from [] (do_exit+0x6f4/0xaf8) > [ 53.939852] [] (do_exit) from [] (die+0x440/0x498) > [ 53.946697] [] (die) from [] (__do_kernel_fault.part.0+0x54/0x1e4) > [ 53.955006] [] (__do_kernel_fault.part.0) from [] (do_page_fault+0x1e8/0x404) > [ 53.964317] [] (do_page_fault) from [] (do_DataAbort+0x34/0xb4) > [ 53.972346] [] (do_DataAbort) from [] (__dabt_svc+0x4c/0x80) > [ 53.980105] Exception stack(0xee73ddc8 to 0xee73de10) > [ 53.985404] ddc0: ee26d980 ee484014 ee484190 ef46b674 ee3dbd00 04f4a70a > [ 53.993990] dde0: 00000005 ffffff7f 00000200 00000100 c1882280 ee73de50 00000002 ee73de18 > [ 54.002573] de00: eddf51e0 c0276c44 20070093 ffffffff > [ 54.007868] [] (__dabt_svc) from [] (free_block+0xf4/0x160) > [ 54.015533] [] (free_block) from [] (drain_array+0xb4/0xf4) > [ 54.023196] [] (drain_array) from [] (cache_reap+0xc0/0x140) > [ 54.030953] [] (cache_reap) from [] (process_one_work+0x1fc/0x64c) > [ 54.039256] [] (process_one_work) from [] (worker_thread+0x3c/0x544) > [ 54.047778] [] (worker_thread) from [] (kthread+0xd0/0xf0) > [ 54.055352] [] (kthread) from [] (ret_from_fork+0x14/0x24) > [ 54.062920] NMI backtrace for cpu 1 > [ 54.066576] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 54.076246] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 54.082636] task: ee0ea100 ti: ee0ee000 task.ti: ee0ee000 > [ 54.088295] PC is at cpu_startup_entry+0xc0/0x328 > [ 54.093226] LR is at cpu_startup_entry+0xa8/0x328 > [ 54.098159] pc : [] lr : [] psr: 200c0013 > [ 54.104725] sp : ee0effe0 ip : 00000000 fp : 00000000 > [ 54.110203] r10: 00000000 r9 : c10029cc r8 : c10c2218 > [ 54.115680] r7 : 00000000 r6 : c1002a34 r5 : 00000000 r4 : ee0ee000 > [ 54.122531] r3 : 00000001 r2 : ee0ea100 r1 : 00000000 r0 : c0183a34 > [ 54.129375] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > [ 54.136861] Control: 10c5387d Table: acc8c06a DAC: 00000051 > [ 54.142884] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.6.0-rc2-00128-g1f5f5556aac5 #40 > [ 54.152555] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 54.158945] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [ 54.167064] [] (show_stack) from [] (dump_stack+0xac/0xe0) > [ 54.174630] [] (dump_stack) from [] (nmi_cpu_backtrace+0xa0/0xfc) > [ 54.182849] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xe4/0x2b8) > [ 54.191151] [] (handle_IPI) from [] (gic_handle_irq+0x94/0xb0) > [ 54.199092] [] (gic_handle_irq) from [] (__irq_svc+0x58/0x78) > [ 54.206940] Exception stack(0xee0eff90 to 0xee0effd8) > [ 54.212240] ff80: c0183a34 00000000 ee0ea100 00000001 > [ 54.220824] ffa0: ee0ee000 00000000 c1002a34 00000000 c10c2218 c10029cc 00000000 00000000 > [ 54.229403] ffc0: 00000000 ee0effe0 c0183a34 c0183a4c 200c0013 ffffffff > [ 54.236345] [] (__irq_svc) from [] (cpu_startup_entry+0xc0/0x328) > [ 54.244560] [] (cpu_startup_entry) from [] (arch_cpu_idle_dead+0x60/0x9c) > [ 55.049340] cpsw 48484000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx -- Regards, Nishanth Menon