Dear TI experts,
When is type "echo mem > /sys/power/state" the system enter suspend, but it is crashed when back to resume.
It seems crash at ehci_omap_enable. The log is as below. Any idea to prevent?
LOG:
root@android:/ # echo mem > /sys/power/state
[ 70.566650] request_suspend_state: sleep (0->3) at 71047485729 (2000-01-01 00:01:03.583252328 UTC)
[ 70.577026] suspend++
root@android:/ # [ 70.769989] ERROR: lcdbacklight_set_pwm(): power is 0 return
[ 70.789001] PM: Syncing filesystems ... done.
[ 70.793823] Freezing user space processes ... (elapsed 0.01 seconds) done.
[ 70.819213] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done.
[ 71.008026] [BAT]battery_suspend battery_suspend
[ 71.015472] PM: suspend of devices complete after 27.069 msecs
[ 71.021942] PM: late suspend of devices complete after 0.335 msecs
[ 75.103149] Successfully put all powerdomains to target state
[ 75.109436] PM: early resume of devices complete after 0.213 msecs
[ 75.186431] platform mpu.0: omap_voltage_scale: Already at the requestedrate 1000000000
[ 75.257720] [BAT]battery_resume battery_resume
[ 75.263763] wakeup wake lock: event0-1272
[ 75.269409] PM: resume of devices complete after 153.442 msecs
[ 75.276428] Restarting tasks ... done.
[ 75.288970] suspend: exit suspend, ret = 0 (2000-01-01 00:01:08.519775390 UTC)
[ 75.298004] PM: Syncing filesystems ... done.
[ 75.584991] Freezing user space processes ... (elapsed 0.01 seconds) done.
[ 75.610992] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done.
[ 75.802368] [BAT]battery_suspend battery_suspend
[ 75.810333] PM: suspend of devices complete after 29.998 msecs
[ 75.816802] pm_noirq_op(): omap_pm_suspend_noirq+0x0/0x58 returns -11
[ 75.823547] PM: Device power.0 failed to suspend late: error -11
[ 75.945800] cm: Module associated with clock usbhost_48m_fck didn't enable in 100000 tries
[ 75.954406] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa064010
[ 75.962402] Internal error: : 1028 [#1]
[ 75.966369] last sysfs file: /sys/power/wait_for_fb_wake
[ 75.971893] Modules linked in: omaplfb pvrsrvkm wl12xx mac80211 cfg80211 compat
[ 75.979553] CPU: 0 Not tainted (2.6.37 #106)
[ 75.984344] PC is at ehci_omap_enable+0x24/0x70
[ 75.989074] LR is at omap2_clk_enable+0xc8/0x134
[ 75.993865] pc : [<c03278e4>] lr : [<c00634e8>] psr: 60000013
[ 75.993865] sp : dec37d80 ip : dec37d30 fp : dec37d94
[ 76.005828] r10: 00000005 r9 : 00000000 r8 : c06b94f0
[ 76.011260] r7 : dec37e10 r6 : 00000010 r5 : dec41dc0 r4 : dee92b40
[ 76.018035] r3 : fa064000 r2 : 00000000 r1 : 00000003 r0 : 00000000
[ 76.024841] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 76.032440] Control: 10c5387d Table: 93040019 DAC: 00000017
[ 76.038421]
[ 76.038421] PC: 0xc0327864:
[ 76.042846] 7864 0a00000a e5900018 ebf4fc4f e5940014 ebf4fc4d e5940008 ebf4fc4b e5940010
[ 76.051391] 7884 ebf4fc49 e594000c ebf4fc47 e89da830 e590000c ebf4fc7b e5940010 ebf4fc79
[ 76.059906] 78a4 e5940008 ebf4fc77 e5940014 ebf4fc75 e5940018 ebf4fc73 e89da830 e1a0c00d
[ 76.068450] 78c4 e92dd830 e24cb004 e3510000 e1a04000 0a00000b e3a01001 ebffffdb e594303c
[ 76.076995] 78e4 e5932010 e3c22a03 e3c22018 e3822a01 e3822008 e5832010 e5d4301c e7c0301f
[ 76.085510] 7904 ea000007 e590303c e5932010 e3c22a03 e3c22018 e5832010 ebffffcb e5d4301c
[ 76.094055] 7924 e3833001 e5c4301c e89da830 e1a0c00d e92dd800 e24cb004 ebfe6dc0 e5d0301c
[ 76.102569] 7944 e3130001 0a000001 e3a01001 ebffffda e3a00000 e89da800 e1a0c00d e92dd800
[ 76.111114]
[ 76.111114] LR: 0xc0063468:
[ 76.115570] 3468 0a000009 e5943010 e300112d e59f00c8 e59f20c8 e593c00c e594300c e58d5004
[ 76.124084] 3488 e58dc000 eb0053d0 ea000025 e5940054 e3500000 0a00000d e1a01004 ebfffed1
[ 76.132629] 34a8 e2505000 0a000009 e5943054 e3001136 e59f0084 e59f2088 e593c000 e594300c
[ 76.141143] 34c8 e58d5004 e58dc000 eb0053bf ea000010 e5943008 e1a00004 e1a0e00f e593f000
[ 76.149688] 34e8 e2505000 0a000011 e59f004c e300113d e594300c e59f204c e58d5000 eb0053b2
[ 76.158233] 3508 e5940054 e3500000 0a000001 e1a01004 ebfffe1a e5940010 e3500000 0a000000
[ 76.166748] 3528 ebffff9a e5d4303d e2433001 e5c4303d e1a00005 e24bd014 e89da830 c0614dd0
[ 76.175292] 3548 c0614f1f c0614f4a c0614f7a e1a0c00d e92dd830 e24cb004 e5d0303f e1a04000
[ 76.183807]
[ 76.183837] SP: 0xdec37d00:
[ 76.188262] 7d00 c05152f4 c004100c 00000000 c06ba6e8 c06ba6c0 60000093 ffffffff dec37d6c
[ 76.196807] 7d20 00000010 dec37e10 dec37d94 dec37d38 c05152ac c0041274 00000000 00000003
[ 76.205322] 7d40 00000000 fa064000 dee92b40 dec41dc0 00000010 dec37e10 c06b94f0 00000000
[ 76.213867] 7d60 00000005 dec37d94 dec37d30 dec37d80 c00634e8 c03278e4 60000013 ffffffff
[ 76.222381] 7d80 00000000 dec41dc0 dec37da4 dec37d98 c0327954 c03278cc dec37dbc dec37da8
[ 76.230926] 7da0 c005edb4 c032793c c06b9498 dec41dc0 dec37dfc dec37dc0 c02c7604 c005ed74
[ 76.239471] 7dc0 c06b94a0 c06d1eac dec37dec dec37dd8 c02632b8 c026441c c06b9498 c06b9498
[ 76.247985] 7de0 c06d1eac 00000010 dec37e10 c06b94f0 dec37e44 dec37e00 c02c84ac c02c7548
[ 76.256530]
[ 76.256530] IP: 0xdec37cb0:
[ 76.260955] 7cb0 c06bda64 00000025 00000000 00000010 dec37e10 c06b94f0 00000000 00000005
[ 76.269500] 7cd0 dec37cec dec37ce0 c007e548 c00709a4 dec37d04 dec37cf0 c0041080 c007e500
[ 76.278045] 7cf0 ffffffff fa200000 dec37d64 dec37d08 c05152f4 c004100c 00000000 c06ba6e8
[ 76.286560] 7d10 c06ba6c0 60000093 ffffffff dec37d6c 00000010 dec37e10 dec37d94 dec37d38
[ 76.295104] 7d30 c05152ac c0041274 00000000 00000003 00000000 fa064000 dee92b40 dec41dc0
[ 76.303619] 7d50 00000010 dec37e10 c06b94f0 00000000 00000005 dec37d94 dec37d30 dec37d80
[ 76.312164] 7d70 c00634e8 c03278e4 60000013 ffffffff 00000000 dec41dc0 dec37da4 dec37d98
[ 76.320709] 7d90 c0327954 c03278cc dec37dbc dec37da8 c005edb4 c032793c c06b9498 dec41dc0
[ 76.329223]
[ 76.329223] FP: 0xdec37d14:
[ 76.333679] 7d14 60000093 ffffffff dec37d6c 00000010 dec37e10 dec37d94 dec37d38 c05152ac
[ 76.342193] 7d34 c0041274 00000000 00000003 00000000 fa064000 dee92b40 dec41dc0 00000010
[ 76.350738] 7d54 dec37e10 c06b94f0 00000000 00000005 dec37d94 dec37d30 dec37d80 c00634e8
[ 76.359252] 7d74 c03278e4 60000013 ffffffff 00000000 dec41dc0 dec37da4 dec37d98 c0327954
[ 76.367797] 7d94 c03278cc dec37dbc dec37da8 c005edb4 c032793c c06b9498 dec41dc0 dec37dfc
[ 76.376342] 7db4 dec37dc0 c02c7604 c005ed74 c06b94a0 c06d1eac dec37dec dec37dd8 c02632b8
[ 76.384857] 7dd4 c026441c c06b9498 c06b9498 c06d1eac 00000010 dec37e10 c06b94f0 dec37e44
[ 76.393402] 7df4 dec37e00 c02c84ac c02c7548 0db4c206 00000048 0db4c206 00000048 c06d1bc0
[ 76.401947]
[ 76.401947] R3: 0xfa063f80:
[ 76.406372] 3f80 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.414916] 3fa0 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.423461] 3fc0 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.431976] 3fe0 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.440521] 4000 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.449066] 4020 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.457580] 4040 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.466125] 4060 ******** ******** ******** ******** ******** ******** ******** ********
[ 76.474670]
[ 76.474670] R4: 0xdee92ac0:
[ 76.479095] 2ac0 dee92ac0 dee92ac0 00000020 c06b9498 00001000 00001000 66667562 332d7265
[ 76.487640] 2ae0 dee90032 00000000 00000000 00000000 00000000 0000001f dee92af8 dee92af8
[ 76.496154] 2b00 c06b957c dee92a80 dee92b31 00000000 00000000 00000000 00000000 0000001e
[ 76.504699] 2b20 0000001c 00000000 00000000 00000000 dee92b81 00000000 00000000 00000000
[ 76.513214] 2b40 deef38f4 c06b9498 c06b4cc4 c06b4c0c c06b4c68 c06b3004 c06b3be0 00000001
[ 76.521759] 2b60 ffffffea ffffffea ffffffea 00000001 00000000 00000001 00000000 fa064000
[ 76.530303] 2b80 fa062000 fa064800 00000000 dee13840 00000000 00000000 00000000 00000000
[ 76.538818] 2ba0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 76.547363]
[ 76.547363] R5: 0xdec41d40:
[ e76.551788] 1d40 dec415d4 def76754 c02bf9e0 c02bfaf4 dec20d40 dec41c54 dec20d40 00000001
[ 76.560333] 1d60 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 76.568878] 1d80 00000000 c06b9b40 00000000 00000000 00000000 00000000 00000000 00000000
[ 76.577392] 1da0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 76.585937] 1dc0 c02c46a0 c02c46e0 c02c4718 c02c47b4 00000000 00000000 00000000 00000000
[ 76.594451] 1de0 c005ee68 c005ed68 00000000 00000000 00000000 00000000 c005ee10 c005edc0
[ 76.602996] 1e00 c02c4a30 01820000 00000000 00084000 08040002 00000000 00100810 08000002
[ 76.611541] 1e20 80000200 00208000 080c0000 00100002 04040081 10040000 00001050 00008000
[ 76.620056]
[ 76.620056] R7: 0xdec37d90:
[ 76.624511] 7d90 c0327954 c03278cc dec37dbc dec37da8 c005edb4 c032793c c06b9498 dec41dc0
[ 76.633026] 7db0 dec37dfc dec37dc0 c02c7604 c005ed74 c06b94a0 c06d1eac dec37dec dec37dd8
[ 76.641571] 7dd0 c02632b8 c026441c c06b9498 c06b9498 c06d1eac 00000010 dec37e10 c06b94f0
[ 76.650115] 7df0 dec37e44 dec37e00 c02c84ac c02c7548 0db4c206 00000048 0db4c206 00000048
[ 76.658630] 7e10 c06d1bc0 c06b9068 c02c7200 c06bcb18 fffffff5 c0543e20 c06bcb70 c06d1eac
[ 76.667175] 7e30 00000006 dec37e58 dec37e8c dec37e48 c02c8790 c02c8420 0ce8cc5a 00000048
[ 76.675720] 7e50 0ce8cc5a 00000048 c06ccf68 de7ca458 00000003 00000000 00000003 00000003
[ 76.684234] 7e70 00000000 c06bcc48 dec1db50 00000001 dec37eac dec37e90 c00aaf08 c02c85dc
[ 76.692779]
[ 76.692779] R8: 0xc06b9470:
[ 76.697235] 9470 00000000 00000000 00000000 00000000 00000000 00000000 ffffffff 00000000
[ 76.705749] 9490 c06164ff 00000000 c06d1b68 dec70cc0 dec6fa80 c06b7fac c06b901c c06d1b70
[ 76.714294] 94b0 dec1dd40 c06d1a00 dec718a8 00000006 00000007 00000000 00000000 00000001
[ 76.722808] 94d0 c06b94d0 c06b94d0 c06d1b30 c06d6dc0 dec6fac0 00000000 00000000 00000005
[ 76.731353] 94f0 c06b7ff8 c06d1eac 7fffffff c06b94fc c06b94fc 00000000 00000000 00000000
[ 76.739898] 9510 00000000 c07085c0 c02c9d44 c06b9498 ffffffff 00000000 00000200 c06b952c
[ 76.748413] 9530 c06b952c c02ca8a0 c06b9538 c06b9538 00000001 00000001 00000101 00000000
[ 76.756958] 9550 00000002 00000000 00000000 00000000 00000000 00000000 ffff6a27 c06b95c0
[ 76.765502] Process kworker/u:1 (pid: 7, stack limit = 0xdec362f0)
[ 76.771911] Stack: (0xdec37d80 to 0xdec38000)
[ 76.776458] 7d80: 00000000 dec41dc0 dec37da4 dec37d98 c0327954 c03278cc dec37dbc dec37da8
[ 76.784973] 7da0: c005edb4 c032793c c06b9498 dec41dc0 dec37dfc dec37dc0 c02c7604 c005ed74
[ 76.793487] 7dc0: c06b94a0 c06d1eac dec37dec dec37dd8 c02632b8 c026441c c06b9498 c06b9498
[ 76.802001] 7de0: c06d1eac 00000010 dec37e10 c06b94f0 dec37e44 dec37e00 c02c84ac c02c7548
[ 76.810516] 7e00: 0db4c206 00000048 0db4c206 00000048 c06d1bc0 c06b9068 c02c7200 c06bcb18
[ 76.819030] 7e20: fffffff5 c0543e20 c06bcb70 c06d1eac 00000006 dec37e58 dec37e8c dec37e48
[ 76.827545] 7e40: c02c8790 c02c8420 0ce8cc5a 00000048 0ce8cc5a 00000048 c06ccf68 de7ca458
[ 76.836059] 7e60: 00000003 00000000 00000003 00000003 00000000 c06bcc48 dec1db50 00000001
[ 76.844543] 7e80: dec37eac dec37e90 c00aaf08 c02c85dc c06181de 00000003 00000000 00000000
[ 76.853057] 7ea0: dec37ecc dec37eb0 c00ab134 c00aae80 00000afd c06bcac0 c06bcac0 00000000
[ 76.861572] 7ec0: dec37edc dec37ed0 c00ab1b8 c00ab07c dec37f44 dec37ee0 c00ac748 c00ab1a4
[ 76.870086] 7ee0: dec37f7c dec37ef0 c0513a54 c0074844 dec66248 dec66240 dec37f44 dec37f08
[ 76.878601] 7f00: c009a6ec c008fcd8 decb8e00 c02d509c 00000000 decb0b50 dec1db50 c06bcc48
[ 76.887115] 7f20: dec1db40 dec12200 c009a544 dec1db40 dec24a00 c00ac6e0 dec37f7c dec37f48
[ 76.895629] 7f40: c008dce4 c00ac6ec dec1db40 dec24a05 dec36000 dec1db40 c070967c dec36000
[ 76.904144] 7f60: c0709674 c06bbfb4 dec1db50 00000001 dec37fbc dec37f80 c008faf4 c008da78
[ 76.912658] 7f80: c008f8dc 00000000 00000000 dec1db50 dec37fbc dec33ec0 dec1db40 dec37fcc
[ 76.921173] 7fa0: c008f8dc 00000000 00000000 00000000 dec37ff4 dec37fc0 c0093378 c008f8e8
[ 76.929687] 7fc0: dec33ec0 00000000 dec1db40 00000000 dec37fd0 dec37fd0 dec33ec0 c00932ec
[ 76.938201] 7fe0: c007b6b0 00000013 00000000 dec37ff8 c007b6b0 c00932f8 81421000 00000000
[ 76.946716] Backtrace:
[ 76.949249] [<c03278c0>] (ehci_omap_enable+0x0/0x70) from [<c0327954>] (ehci_omap_dev_resume+0x24/0x2c)
[ 76.959014] r5:dec41dc0 r4:00000000
[ 76.962768] [<c0327930>] (ehci_omap_dev_resume+0x0/0x2c) from [<c005edb4>] (omap_pm_resume_noirq+0x4c/0x58)
[ 76.972900] [<c005ed68>] (omap_pm_resume_noirq+0x0/0x58) from [<c02c7604>] (pm_noirq_op+0xc8/0x198)
[ 76.982299] r5:dec41dc0 r4:c06b9498
[ 76.986022] [<c02c753c>] (pm_noirq_op+0x0/0x198) from [<c02c84ac>] (dpm_resume_noirq+0x98/0x1bc)
[ 76.995178] r8:c06b94f0 r7:dec37e10 r6:00000010 r5:c06d1eac r4:c06b9498
[ 77.002166] [<c02c8414>] (dpm_resume_noirq+0x0/0x1bc) from [<c02c8790>] (dpm_suspend_noirq+0x1c0/0x1f4)
[ 77.011962] [<c02c85d0>] (dpm_suspend_noirq+0x0/0x1f4) from [<c00aaf08>] (suspend_devices_and_enter+0x94/0x1fc)
[ 77.022460] [<c00aae74>] (suspend_devices_and_enter+0x0/0x1fc) from [<c00ab134>] (enter_state+0xc4/0x128)
[ 77.032409] r7:00000000 r6:00000000 r5:00000003 r4:c06181de
[ 77.038299] [<c00ab070>] (enter_state+0x0/0x128) from [<c00ab1b8>] (pm_suspend+0x20/0x24)
[ 77.046813] r7:00000000 r6:c06bcac0 r5:c06bcac0 r4:00000afd
[ 77.052734] [<c00ab198>] (pm_suspend+0x0/0x24) from [<c00ac748>] (suspend+0x68/0x12c)
[ 77.060882] [<c00ac6e0>] (suspend+0x0/0x12c) from [<c008dce4>] (process_one_work+0x278/0x3f8)
[ 77.069732] r6:c00ac6e0 r5:dec24a00 r4:dec1db40
[ 77.074554] [<c008da6c>] (process_one_work+0x0/0x3f8) from [<c008faf4>] (worker_thread+0x218/0x410)
[ 77.083984] [<c008f8dc>] (worker_thread+0x0/0x410) from [<c0093378>] (kthread+0x8c/0x94)
[ 77.092407] [<c00932ec>] (kthread+0x0/0x94) from [<c007b6b0>] (do_exit+0x0/0x638)
[ 77.100189] r7:00000013 r6:c007b6b0 r5:c00932ec r4:dec33ec0
[ 77.106109] Code: 0a00000b e3a01001 ebffffdb e594303c (e5932010)
[ 77.112487] ---[ end trace f3678908c5c6713c ]---
[ 77.117309] Kernel panic - not syncing: Fatal exception
[ 77.122741] Backtrace:
[ 77.125305] [<c005065c>] (dump_backtrace+0x0/0x110) from [<c0513084>] (dump_stack+0x18/0x1c)
[ 77.134094] r7:00000001 r6:c03278e6 r5:c06f7a68 r4:c06f7a68
[ 77.140014] [<c051306c>] (dump_stack+0x0/0x1c) from [<c05130ec>] (panic+0x64/0x180)
[ 77.148010] [<c0513088>] (panic+0x0/0x180) from [<c0050a38>] (die+0x2cc/0x320)
[ 77.155517] r3:00000001 r2:c067cc3c r1:dec37c00 r0:c060ee6c
[ 77.161437] [<c005076c>] (die+0x0/0x320) from [<c0050b48>] (arm_notify_die+0x58/0x5c)
[ 77.169586] [<c0050af0>] (arm_notify_die+0x0/0x5c) from [<c00412f4>] (do_DataAbort+0x8c/0xa0)
[ 77.178497] [<c0041268>] (do_DataAbort+0x0/0xa0) from [<c05152ac>] (__dabt_svc+0x4c/0x60)
[ 77.187011] Exception stack(0xdec37d38 to 0xdec37d80)
[ 77.192260] 7d20: 00000000 00000003
[ 77.200805] 7d40: 00000000 fa064000 dee92b40 dec41dc0 00000010 dec37e10 c06b94f0 00000000
[ 77.209320] 7d60: 00000005 dec37d94 dec37d30 dec37d80 c00634e8 c03278e4 60000013 ffffffff
[ 77.217834] r7:dec37e10 r6:00000010 r5:dec37d6c r4:ffffffff
[ 77.223754] [<c03278c0>] (ehci_omap_enable+0x0/0x70) from [<c0327954>] (ehci_omap_dev_resume+0x24/0x2c)
[ 77.233551] r5:dec41dc0 r4:00000000
[ 77.237274] [<c0327930>] (ehci_omap_dev_resume+0x0/0x2c) from [<c005edb4>] (omap_pm_resume_noirq+0x4c/0x58)
[ 77.247406] [<c005ed68>] (omap_pm_resume_noirq+0x0/0x58) from [<c02c7604>] (pm_noirq_op+0xc8/0x198)
[ 77.256835] r5:dec41dc0 r4:c06b9498
[ 77.260559] [<c02c753c>] (pm_noirq_op+0x0/0x198) from [<c02c84ac>] (dpm_resume_noirq+0x98/0x1bc)
[ 77.269714] r8:c06b94f0 r7:dec37e10 r6:00000010 r5:c06d1eac r4:c06b9498
[ 77.276733] [<c02c8414>] (dpm_resume_noirq+0x0/0x1bc) from [<c02c8790>] (dpm_suspend_noirq+0x1c0/0x1f4)
[ 77.286529] [<c02c85d0>] (dpm_suspend_noirq+0x0/0x1f4) from [<c00aaf08>] (suspend_devices_and_enter+0x94/0x1fc)
[ 77.297058] [<c00aae74>] (suspend_devices_and_enter+0x0/0x1fc) from [<c00ab134>] (enter_state+0xc4/0x128)
[ 77.307006] r7:00000000 r6:00000000 r5:00000003 r4:c06181de
[ 77.312927] [<c00ab070>] (enter_state+0x0/0x128) from [<c00ab1b8>] (pm_suspend+0x20/0x24)
[ 77.321441] r7:00000000 r6:c06bcac0 r5:c06bcac0 r4:00000afd
[ 77.327362] [<c00ab198>] (pm_suspend+0x0/0x24) from [<c00ac748>] (suspend+0x68/0x12c)
[ 77.335540] [<c00ac6e0>] (suspend+0x0/0x12c) from [<c008dce4>] (process_one_work+0x278/0x3f8)
[ 77.344421] r6:c00ac6e0 r5:dec24a00 r4:dec1db40
[ 77.349243] [<c008da6c>] (process_one_work+0x0/0x3f8) from [<c008faf4>] (worker_thread+0x218/0x410)
[ 77.358673] [<c008f8dc>] (worker_thread+0x0/0x410) from [<c0093378>] (kthread+0x8c/0x94)
[ 77.367095] [<c00932ec>] (kthread+0x0/0x94) from [<c007b6b0>] (do_exit+0x0/0x638)
[ 77.374908] r7:00000013 r6:c007b6b0 r5:c00932ec r4:dec33ec0
