Hi
I use a 3.15.0
Med venlig hilsen/Best regards
Casper Mogensen
________________________________________
From: Michael Trimarchi <mich...@amarulasolutions.com>
Sent: Monday, June 30, 2014 15:47
To: Casper Lyngesen Mogensen
Cc: Ash Charles; Tony Lindgren; linux-omap@vger.kernel.org
Subject: Re: OMAP 3630 random crashes
Hi
On Mon, Jun 30, 2014 at 3:43 PM, Casper Lyngesen Mogensen
<clmogen...@grundfos.com> wrote:
> Hi
>
> I got two new Overo AirStorm today, and they have same behavior. I tried
> disabling
> the SMSC9xxx again and booted from MMC. This seems to make the backtrace a
> little more consistent(Tried on both new and old). There is (almost) always
> something
> about Alignment trap, the crash log itself differs every time. Also i get to
> allocate a lot
> more memory before crash with these settings.
>
>
What kernel version are you using?
Michael
> mallocsize = 34460000
> mallocsize = 34464000
> mallocsize = 34468000
> [ 425.438629] Alignment trap: not handling instruction e1932f9f at
> [<c0082060>]
> [ 425.446136] Unhandled fault: alignment exception (0x001) at 0x7be3c202
> [ 425.453002] Internal error: : 1 [#1] SMP ARM
> [ 425.457489] Modules linked in: snd_soc_omap_twl4030 libertas_sdio libertas
> snd_soc_omap snd_pcm_dmaengine lib80211 cfg80211 snd_soc_twl4030 snd_soc_core
> snd_compress snd_pcm snd_timer snd soundcore
> [ 425.476226] CPU: 0 PID: 1582 Comm: kworker/u2:2 Not tainted 3.15.0-dirty
> #14
> [ 425.483642] task: de062080 ti: dd1b8000 task.ti: dd1b8000
> [ 425.489349] PC is at __lock_acquire+0x160/0x1cb8
> [ 425.494232] LR is at lock_acquire+0xa0/0xfc
> [ 425.498626] pc : [<c0082064>] lr : [<c00843c4>] psr: 20000193
> [ 425.498626] sp : dd1b9bb0 ip : 00000001 fp : 7be3c0fe
> [ 425.510681] r10: c0854c10 r9 : c0d7785c r8 : de062080
> [ 425.516174] r7 : 00000000 r6 : dd1b8030 r5 : 00000000 r4 : dfaef6d0
> [ 425.523010] r3 : 7be3c202 r2 : dfaef6d0 r1 : 28014a03 r0 : dfaef6d0
> [ 425.529876] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
> kernel
> [ 425.537628] Control: 10c5307d Table: 9e76c019 DAC: 00000015
> [ 425.543670] Process kworker/u2:2 (pid: 1582, stack limit = 0xdd1b8248)
> [ 425.550506] Stack: (0xdd1b9bb0 to 0xdd1ba000)
> [ 425.555114] 9ba0: de062080 00000004
> 00000006 c07fb7e4
> [ 425.563720] 9bc0: 00000008 c0081998 dd1b8020 de062080 00000000 00000001
> c07ef168 c0081ab8
> [ 425.572296] 9be0: 1f2b8000 ddbe1780 ddbe65c0 dd1b8000 1f2b8000 c01486d4
> 00000000 ddbd60f0
> [ 425.580902] 9c00: ddbe65c0 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 425.589508] 9c20: dfaef6d0 00000000 00000000 00000000 00000001 00000000
> c007914c c00843c4
> [ 425.598114] 9c40: 00000001 00000080 00000000 c007914c 00000000 00000002
> dd1b8000 60000193
> [ 425.606689] 9c60: c0854c10 dfaef6c0 00000113 c007914c 00000003 dd1b9cc8
> c0146d90 c0147b3c
> [ 425.615295] 9c80: 00000001 c054a808 00000001 00000000 c007914c 00000000
> dfaef6c0 00000000
> [ 425.623901] 9ca0: 00000001 c007914c 00000000 00000000 ddbe65c0 00000000
> dd1b9d30 00000060
> [ 425.632507] 9cc0: 00000001 c00791ac ddbe65c0 00000002 00000000 c0149548
> 00000001 00000000
> [ 425.641082] 9ce0: 00000001 ddbd60f0 dd1b9d40 00000001 dd1b9d2c c01b60a0
> dd1b9d2c 00000001
> [ 425.649688] 9d00: de062080 00000004 00000006 00000001 00000001 00000000
> de1ff000 dde0a490
> [ 425.658294] 9d20: dd1b9d9c 00000000 00000001 00000000 ddbe65c0 c00843c4
> 00000001 00000000
> [ 425.666900] 9d40: ddbe65c0 c0130274 00000000 c007fa8c dd1b8038 60000113
> de1ff000 ddbd22a0
> [ 425.675506] 9d60: dde0a468 dde0a468 ddbd60f0 ddbd2240 dd1b8000 de141015
> de141014 00000000
> [ 425.684082] 9d80: dd1b9eb8 c01b6534 dde0a468 c054a8d4 ddbd2240 c01302a8
> 00000000 00000000
> [ 425.692687] 9da0: dde0a468 ddbd2240 ddbd2240 c0121cb4 00000001 00000011
> ddbd2240 c012297c
> [ 425.701293] 9dc0: dd1b8000 01141015 de141014 dd1b9eb8 dd1b9e10 c0123344
> 00000000 dd1b9e18
> [ 425.709899] 9de0: dd1b9e10 00000003 dd1b8000 c0123c08 c0124b3c 00000001
> 00000000 c0081ab8
> [ 425.718505] 9e00: dd1b9eb8 dd1b8030 c01269a4 de086dc0 00000000 c0124b3c
> 00000001 00000000
> [ 425.727081] 9e20: 00727375 00000003 de141011 de086e00 de11fb80 de11fb80
> dd1b9eb8 c0565f50
> [ 425.735687] 9e40: de141000 ffffff9c 00000000 00000000 dd1b8000 c01269cc
> dd1b9e70 00000000
> [ 425.744293] 9e60: dd1b8038 00000002 de062080 c0d7785c 00000000 00000000
> 00000000 00000000
> [ 425.752899] 9e80: 00192082 c0926c08 0000000d c0565f50 00000001 de141000
> ffffff9c de770500
> [ 425.761474] 9ea0: de062080 dd1b8000 00000000 c0127ed8 00000041 00000004
> de0361d0 ddbd2240
> [ 425.770080] 9ec0: 00727375 00000003 de141011 de086e00 de0361d0 ddbd2240
> ddbd60f0 00000011
> [ 425.778686] 9ee0: 00000002 00000056 00000000 00000000 00000000 00000002
> 00000000 00000000
> [ 425.787292] 9f00: c011fbfc c00843c4 00000000 00000000 00000000 c011fbfc
> 00000000 de141000
> [ 425.795867] 9f20: dd1b8010 de671344 00000000 c011e450 de671344 00000000
> de062080 de141000
> [ 425.804473] 9f40: dd1b8010 de671344 00000000 c011fcd8 00000000 00000000
> c011fbfc de141010
> [ 425.813079] 9f60: 00000021 ffffffff 00000000 de0623ac 00000021 dd0b8940
> 00000000 de498140
> [ 425.821685] 9f80: ffffffff ffffffff 00000000 00000000 00000000 c0053580
> de498140 c00535b0
> [ 425.830291] 9fa0: 00000000 00000000 00000000 c000e5e8 00000000 00000000
> 00000000 00000000
> [ 425.838867] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 425.847473] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> 00000000 00000000
> [ 425.856079] [<c0082064>] (__lock_acquire) from [<c00843c4>]
> (lock_acquire+0xa0/0xfc)
> [ 425.864257] [<c00843c4>] (lock_acquire) from [<c054a808>]
> (_raw_spin_lock_irqsave+0x38/0x4c)
> [ 425.873107] [<c054a808>] (_raw_spin_lock_irqsave) from [<c007914c>]
> (__wake_up+0x1c/0x4c)
> [ 425.881713] [<c007914c>] (__wake_up) from [<c00791ac>]
> (__wake_up_bit+0x30/0x38)
> [ 425.889495] [<c00791ac>] (__wake_up_bit) from [<c0149548>]
> (ll_rw_block+0x2c/0xf4)
> [ 425.897460] [<c0149548>] (ll_rw_block) from [<c01b60a0>]
> (ext4_find_entry+0x190/0x5ec)
> [ 425.905792] [<c01b60a0>] (ext4_find_entry) from [<c01b6534>]
> (ext4_lookup+0x38/0x164)
> [ 425.914031] [<c01b6534>] (ext4_lookup) from [<c0121cb4>]
> (lookup_real+0x20/0x4c)
> [ 425.921844] [<c0121cb4>] (lookup_real) from [<c012297c>]
> (__lookup_hash+0x38/0x40)
> [ 425.929779] [<c012297c>] (__lookup_hash) from [<c0123344>]
> (lookup_slow+0x3c/0xa8)
> [ 425.937744] [<c0123344>] (lookup_slow) from [<c0123c08>]
> (link_path_walk+0x404/0x85c)
> [ 425.945983] [<c0123c08>] (link_path_walk) from [<c01269cc>]
> (path_openat+0x8c/0x604)
> [ 425.954132] [<c01269cc>] (path_openat) from [<c0127ed8>]
> (do_filp_open+0x2c/0x80)
> [ 425.962005] [<c0127ed8>] (do_filp_open) from [<c011e450>]
> (do_open_exec+0x18/0xf4)
> [ 425.969970] [<c011e450>] (do_open_exec) from [<c011fcd8>]
> (do_execve+0x1a8/0x5cc)
> [ 425.977844] [<c011fcd8>] (do_execve) from [<c0053580>]
> (____call_usermodehelper+0x100/0x130)
> [ 425.986724] [<c0053580>] (____call_usermodehelper) from [<c000e5e8>]
> (ret_from_fork+0x14/0x2c)
> [ 425.995788] Code: 0affffc8 e28b3f41 f5d3f000 e1932f9f (e2822001)
> [ 426.002197] ---[ end trace 713ce209622ee484 ]---
> [ 426.007141] Unable to handle kernel NULL pointer dereference at virtual
> address 00000000
> [ 426.015624] pgd = c0004000
> [ 426.018463] [00000000] *pgd=00000000
> [ 426.022247] Internal error: Oops: 17 [#2] SMP ARM
> [ 426.027191] Modules linked in: snd_soc_omap_twl4030 libertas_sdio libertas
> snd_soc_omap snd_pcm_dmaengine lib80211 cfg80211 snd_soc_twl4030 snd_soc_core
> snd_compress snd_pcm snd_timer snd soundcore
> [ 426.045898] CPU: 0 PID: 1582 Comm: kworker/u2:2 Tainted: G D
> 3.15.0-dirty #14
> [ 426.054412] task: de062080 ti: dd1b8000 task.ti: dd1b8000
> [ 426.060119] PC is at perf_event_task_tick+0xac/0x104
> [ 426.065368] LR is at scheduler_tick+0x70/0xd4
> [ 426.069976] pc : [<c00d3e8c>] lr : [<c006a808>] psr: 60000193
> [ 426.069976] sp : dd1b9800 ip : 00000000 fp : dd1b983c
> [ 426.082031] r10: 00000000 r9 : 1f2b8000 r8 : 1f2b8000
> [ 426.087554] r7 : 00000000 r6 : dfaa6da4 r5 : fffffeb8 r4 : be8deef8
> [ 426.094421] r3 : fffffeb8 r2 : 0000129c r1 : c07eedb8 r0 : fffffeb8
> [ 426.101287] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
> user
> [ 426.108886] Control: 10c5307d Table: 9e76c019 DAC: 00000015
> [ 426.114959] Process kworker/u2:2 (pid: 1582, stack limit = 0xdd1b8248)
> [ 426.121826] Stack: (0xdd1b9800 to 0xdd1ba000)
> [ 426.126434] 9800: 00000001 dfaa8100 c07f0100 c07fb7e4 00000000 de062080
> c00a16b0 c006a808
> [ 426.135070] 9820: 00000000 dd1b8000 de062080 00000000 00000000 dd1b98f0
> 00000000 c004b560
> [ 426.143676] 9840: 60000113 2fc2853e 00000063 dfaa5ba8 dd1b99b8 c00a16a4
> 00000001 c00a170c
> [ 426.152313] 9860: dfaa5450 00000063 2fc2853e 00000063 00000001 dfaa5ba8
> 00000063 dfaa54a0
> [ 426.160949] 9880: dfaa5450 c00600d4 dfaa5450 7fffffff ffffffff 2fc20e08
> 00000063 dfaa5460
> [ 426.169586] 98a0: 00000000 dfaa5450 dfaa5450 c0060cfc ffffffff 7fffffff
> 2fc20e08 00000063
> [ 426.178192] 98c0: c0d77061 00000003 ffffffff 7fffffff dfaa5508 dfaa5540
> dfaa5578 dfaa5460
> [ 426.186828] 98e0: 2fc20e08 00000063 2fc20e08 00000063 2fc20e08 00000063
> dd02b810 c0801280
> [ 426.195465] 9900: de0068d4 00000035 00000035 00000000 00000000 c088428c
> c08842a0 c002517c
> [ 426.204071] 9920: c0025158 c008bcfc 00000035 00000000 00000000 de006880
> de0068d4 de006880
> [ 426.212707] 9940: de0068d4 c0801280 00000035 00000000 00000000 00000001
> de062080 c008bebc
> [ 426.221343] 9960: de006880 de0068d4 00001307 c008e89c 00000035 c07ef1b0
> dd1b8008 c008b3dc
> [ 426.229980] 9980: c07fb7e4 c000ee48 fa200000 dd1b99b8 c08874b8 00000035
> c0082068 c00085fc
> [ 426.238586] 99a0: de062080 c054a978 60000113 ffffffff dd1b99ec c054b2e4
> c054a974 00000001
> [ 426.247222] 99c0: 0000002a 00000000 de24f284 0000000b c0082066 c07ff5c4
> c0082068 00000000
> [ 426.255859] 99e0: 00000001 de062080 00000000 dd1b9a00 c054a974 c054a978
> 60000113 ffffffff
> [ 426.264495] 9a00: dd1b8000 c003ffbc 00000001 c008b0f0 00000001 dd1b8008
> c008b024 c0543050
> [ 426.273101] 9a20: c06c9fec c0840100 0000000b dd1b8000 0000000b c0082066
> c07ff5c4 c0082068
> [ 426.281738] 9a40: 00000000 00000001 c0886b44 c00121a0 dd1b8248 0000000b
> c0d7747e 60000193
> [ 426.290374] 9a60: 00000000 00000008 30000000 66666661 20386366 62383265
> 31346633 64356620
> [ 426.298980] 9a80: 30306633 31652030 66323339 28206639 32383265 31303032
> 7b002029 c0543050
> [ 426.307617] 9aa0: c06be158 00000001 00000007 c080016c 7be3c202 dd1b9b68
> c0d7785c c0854c10
> [ 426.316253] 9ac0: 7be3c0fe c0008438 00000000 c0926c08 00000007 00000000
> 00030001 7be3c202
> [ 426.324859] 9ae0: 243a01a7 00000003 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 426.333496] 9b00: 00000000 00000000 00000000 00000000 00000000 00000000
> c08404fc 00000000
> [ 426.342132] 9b20: 00000000 00000002 00000000 00000000 dd803994 00000000
> 00000000 00000000
> [ 426.350738] 9b40: 00000001 00000000 c014722c c00843c4 c0082060 20000193
> ffffffff dd1b9b9c
> [ 426.359374] 9b60: de062080 c054b264 dfaef6d0 28014a03 dfaef6d0 7be3c202
> dfaef6d0 00000000
> [ 426.368011] 9b80: dd1b8030 00000000 de062080 c0d7785c c0854c10 7be3c0fe
> 00000001 dd1b9bb0
> [ 426.376617] 9ba0: c00843c4 c0082064 20000193 ffffffff de062080 00000004
> 00000006 c07fb7e4
> [ 426.385253] 9bc0: 00000008 c0081998 dd1b8020 de062080 00000000 00000001
> c07ef168 c0081ab8
> [ 426.393890] 9be0: 1f2b8000 ddbe1780 ddbe65c0 dd1b8000 1f2b8000 c01486d4
> 00000000 ddbd60f0
> [ 426.402526] 9c00: ddbe65c0 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 426.411132] 9c20: dfaef6d0 00000000 00000000 00000000 00000001 00000000
> c007914c c00843c4
> [ 426.419769] 9c40: 00000001 00000080 00000000 c007914c 00000000 00000002
> dd1b8000 60000193
> [ 426.428375] 9c60: c0854c10 dfaef6c0 00000113 c007914c 00000003 dd1b9cc8
> c0146d90 c0147b3c
> [ 426.437011] 9c80: 00000001 c054a808 00000001 00000000 c007914c 00000000
> dfaef6c0 00000000
> [ 426.445648] 9ca0: 00000001 c007914c 00000000 00000000 ddbe65c0 00000000
> dd1b9d30 00000060
> [ 426.454284] 9cc0: 00000001 c00791ac ddbe65c0 00000002 00000000 c0149548
> 00000001 00000000
> [ 426.462890] 9ce0: 00000001 ddbd60f0 dd1b9d40 00000001 dd1b9d2c c01b60a0
> dd1b9d2c 00000001
> [ 426.471527] 9d00: de062080 00000004 00000006 00000001 00000001 00000000
> de1ff000 dde0a490
> [ 426.480133] 9d20: dd1b9d9c 00000000 00000001 00000000 ddbe65c0 c00843c4
> 00000001 00000000
> [ 426.488769] 9d40: ddbe65c0 c0130274 00000000 c007fa8c dd1b8038 60000113
> de1ff000 ddbd22a0
> [ 426.497406] 9d60: dde0a468 dde0a468 ddbd60f0 ddbd2240 dd1b8000 de141015
> de141014 00000000
> [ 426.506042] 9d80: dd1b9eb8 c01b6534 dde0a468 c054a8d4 ddbd2240 c01302a8
> 00000000 00000000
> [ 426.514648] 9da0: dde0a468 ddbd2240 ddbd2240 c0121cb4 00000001 00000011
> ddbd2240 c012297c
> [ 426.523284] 9dc0: dd1b8000 01141015 de141014 dd1b9eb8 dd1b9e10 c0123344
> 00000000 dd1b9e18
> [ 426.531921] 9de0: dd1b9e10 00000003 dd1b8000 c0123c08 c0124b3c 00000001
> 00000000 c0081ab8
> [ 426.540527] 9e00: dd1b9eb8 dd1b8030 c01269a4 de086dc0 00000000 c0124b3c
> 00000001 00000000
> [ 426.549163] 9e20: 00727375 00000003 de141011 de086e00 de11fb80 de11fb80
> dd1b9eb8 c0565f50
> [ 426.557800] 9e40: de141000 ffffff9c 00000000 00000000 dd1b8000 c01269cc
> dd1b9e70 00000000
> [ 426.566436] 9e60: dd1b8038 00000002 de062080 c0d7785c 00000000 00000000
> 00000000 00000000
> [ 426.575042] 9e80: 00192082 c0926c08 0000000d c0565f50 00000001 de141000
> ffffff9c de770500
> [ 426.583679] 9ea0: de062080 dd1b8000 00000000 c0127ed8 00000041 00000004
> de0361d0 ddbd2240
> [ 426.592315] 9ec0: 00727375 00000003 de141011 de086e00 de0361d0 ddbd2240
> ddbd60f0 00000011
> [ 426.600921] 9ee0: 00000002 00000056 00000000 00000000 00000000 00000002
> 00000000 00000000
> [ 426.609558] 9f00: c011fbfc c00843c4 00000000 00000000 00000000 c011fbfc
> 00000000 de141000
> [ 426.618194] 9f20: dd1b8010 de671344 00000000 c011e450 de671344 00000000
> de062080 de141000
> [ 426.626800] 9f40: dd1b8010 de671344 00000000 c011fcd8 00000000 00000000
> c011fbfc de141010
> [ 426.635437] 9f60: 00000021 ffffffff 00000000 de0623ac 00000021 dd0b8940
> 00000000 de498140
> [ 426.644073] 9f80: ffffffff ffffffff 00000000 00000000 00000000 c0053580
> de498140 c00535b0
> [ 426.652679] 9fa0: 00000000 00000000 00000000 c000e5e8 00000000 00000000
> 00000000 00000000
> [ 426.661315] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 426.669921] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> 00000000 00000000
> [ 426.678558] [<c00d3e8c>] (perf_event_task_tick) from [<c006a808>]
> (scheduler_tick+0x70/0xd4)
> [ 426.687469] [<c006a808>] (scheduler_tick) from [<c004b560>]
> (update_process_times+0x54/0x60)
> [ 426.696380] [<c004b560>] (update_process_times) from [<c00a16a4>]
> (tick_sched_handle.isra.18+0x44/0x50)
> [ 426.706298] [<c00a16a4>] (tick_sched_handle.isra.18) from [<c00a170c>]
> (tick_sched_timer+0x5c/0x90)
> [ 426.715820] [<c00a170c>] (tick_sched_timer) from [<c00600d4>]
> (__run_hrtimer+0x7c/0x1e0)
> [ 426.724365] [<c00600d4>] (__run_hrtimer) from [<c0060cfc>]
> (hrtimer_interrupt+0x128/0x2b8)
> [ 426.733093] [<c0060cfc>] (hrtimer_interrupt) from [<c002517c>]
> (omap2_gp_timer_interrupt+0x24/0x34)
> [ 426.742645] [<c002517c>] (omap2_gp_timer_interrupt) from [<c008bcfc>]
> (handle_irq_event_percpu+0x40/0x1c4)
> [ 426.752838] [<c008bcfc>] (handle_irq_event_percpu) from [<c008bebc>]
> (handle_irq_event+0x3c/0x5c)
> [ 426.762176] [<c008bebc>] (handle_irq_event) from [<c008e89c>]
> (handle_level_irq+0xac/0x154)
> [ 426.770996] [<c008e89c>] (handle_level_irq) from [<c008b3dc>]
> (generic_handle_irq+0x28/0x3c)
> [ 426.779907] [<c008b3dc>] (generic_handle_irq) from [<c000ee48>]
> (handle_IRQ+0x4c/0xb4)
> [ 426.788269] [<c000ee48>] (handle_IRQ) from [<c00085fc>]
> (omap3_intc_handle_irq+0x80/0x9c)
> [ 426.796874] [<c00085fc>] (omap3_intc_handle_irq) from [<c054b2e4>]
> (__irq_svc+0x44/0x5c)
> [ 426.805389] Exception stack(0xdd1b99b8 to 0xdd1b9a00)
> [ 426.810729] 99a0:
> c054a974 00000001
> [ 426.819366] 99c0: 0000002a 00000000 de24f284 0000000b c0082066 c07ff5c4
> c0082068 00000000
> [ 426.827972] 99e0: 00000001 de062080 00000000 dd1b9a00 c054a974 c054a978
> 60000113 ffffffff
> [ 426.836608] [<c054b2e4>] (__irq_svc) from [<c054a978>]
> (_raw_spin_unlock_irq+0x28/0x2c)
> [ 426.845092] [<c054a978>] (_raw_spin_unlock_irq) from [<c003ffbc>]
> (do_exit+0x138/0x924)
> [ 426.853546] [<c003ffbc>] (do_exit) from [<c00121a0>] (die+0x1fc/0x3b8)
> [ 426.860443] [<c00121a0>] (die) from [<c0008438>] (do_DataAbort+0x88/0x98)
> [ 426.867584] [<c0008438>] (do_DataAbort) from [<c054b264>]
> (__dabt_svc+0x44/0x80)
> [ 426.875366] Exception stack(0xdd1b9b68 to 0xdd1b9bb0)
> [ 426.880706] 9b60: dfaef6d0 28014a03 dfaef6d0 7be3c202
> dfaef6d0 00000000
> [ 426.889343] 9b80: dd1b8030 00000000 de062080 c0d7785c c0854c10 7be3c0fe
> 00000001 dd1b9bb0
> [ 426.897949] 9ba0: c00843c4 c0082064 20000193 ffffffff
> [ 426.903289] [<c054b264>] (__dabt_svc) from [<c0082064>]
> (__lock_acquire+0x160/0x1cb8)
> [ 426.911560] [<c0082064>] (__lock_acquire) from [<c00843c4>]
> (lock_acquire+0xa0/0xfc)
> [ 426.919738] [<c00843c4>] (lock_acquire) from [<c054a808>]
> (_raw_spin_lock_irqsave+0x38/0x4c)
> [ 426.928649] [<c054a808>] (_raw_spin_lock_irqsave) from [<c007914c>]
> (__wake_up+0x1c/0x4c)
> [ 426.937255] [<c007914c>] (__wake_up) from [<c00791ac>]
> (__wake_up_bit+0x30/0x38)
> [ 426.945068] [<c00791ac>] (__wake_up_bit) from [<c0149548>]
> (ll_rw_block+0x2c/0xf4)
> [ 426.953033] [<c0149548>] (ll_rw_block) from [<c01b60a0>]
> (ext4_find_entry+0x190/0x5ec)
> [ 426.961364] [<c01b60a0>] (ext4_find_entry) from [<c01b6534>]
> (ext4_lookup+0x38/0x164)
> [ 426.969604] [<c01b6534>] (ext4_lookup) from [<c0121cb4>]
> (lookup_real+0x20/0x4c)
> [ 426.977386] [<c0121cb4>] (lookup_real) from [<c012297c>]
> (__lookup_hash+0x38/0x40)
> [ 426.985351] [<c012297c>] (__lookup_hash) from [<c0123344>]
> (lookup_slow+0x3c/0xa8)
> [ 426.993286] [<c0123344>] (lookup_slow) from [<c0123c08>]
> (link_path_walk+0x404/0x85c)
> [ 427.001525] [<c0123c08>] (link_path_walk) from [<c01269cc>]
> (path_openat+0x8c/0x604)
> [ 427.009674] [<c01269cc>] (path_openat) from [<c0127ed8>]
> (do_filp_open+0x2c/0x80)
> [ 427.017547] [<c0127ed8>] (do_filp_open) from [<c011e450>]
> (do_open_exec+0x18/0xf4)
> [ 427.025512] [<c011e450>] (do_open_exec) from [<c011fcd8>]
> (do_execve+0x1a8/0x5cc)
> [ 427.033386] [<c011fcd8>] (do_execve) from [<c0053580>]
> (____call_usermodehelper+0x100/0x130)
> [ 427.042266] [<c0053580>] (____call_usermodehelper) from [<c000e5e8>]
> (ret_from_fork+0x14/0x2c)
> [ 427.051300] Code: e1973003 1a00000b e1a03005 e1a00005 (e5b35148)
> [ 427.057708] ---[ end trace 713ce209622ee485 ]---
> [ 427.062561] Kernel panic - not syncing: Fatal exception in interrupt
> [ 427.069244] ---[ end Kernel panic - not syncing: Fatal exception in
> interrupt
>
>
>
>
> Med venlig hilsen/Best regards
>
> Casper Mogensen
>
> ________________________________________
> From: Casper Lyngesen Mogensen
> Sent: Friday, June 20, 2014 16:26
> To: Ash Charles
> Cc: Tony Lindgren; linux-omap@vger.kernel.org
> Subject: RE: OMAP 3630 random crashes
>
> Hi
>
> The memory on the Overo, i have with me right now, is actually marked JW513,
> and 18 months is also around the time, they were bought. Will check my other
> modules, when i get back to the office.
> However i have not been able to recreate the problem with the 3.5.0 kernel on
> same Overo
>
> Med venlig hilsen/Best regards
>
> Casper Mogensen
>
> ________________________________________
> From: ashchar...@gmail.com <ashchar...@gmail.com> on behalf of Ash Charles
> <a...@gumstix.com>
> Sent: Friday, June 20, 2014 16:17
> To: Casper Lyngesen Mogensen
> Cc: Tony Lindgren; linux-omap@vger.kernel.org
> Subject: Re: OMAP 3630 random crashes
>
> Hi Casper,
>
> What is the top-side marking on the memory chip on your Overo? There
> were some random faults due to poor memory chips marked 'JW513' from
> about 18 months ago.
>
> --Ash
>
> On Fri, Jun 20, 2014 at 7:00 AM, Casper Lyngesen Mogensen
> <clmogen...@grundfos.com> wrote:
>> Hi
>>
>> U-boot seems to set the speed to 165 Mhz
>> "OMAP36XX/37XX-GP ES1.2, CPU-OPP2, L3-165MHz, Max CPU Clock 1 Ghz"
>>
>> I have a LAN9221, but tried the other timings, still same result.
>>
>> Also tried running the entire system from an MMC card, same result, but my
>> test had
>> to run a little longer.
>>
>> Found a quicker test to reproduce the error, a little C-program:
>>
>> #include <stdio.h>
>> #include <stdlib.h>
>> #include <errno.h>
>>
>> int main(void){
>> long long var=0;
>>
>> int *ptr=NULL;
>>
>> int run=1;
>> while(run){
>> ptr=malloc(sizeof(int)*1000);
>> if(ptr==NULL){
>> run=0;
>> }
>> var+=1000;
>> printf("mallocsize = %lld\n",var*sizeof(int));
>> }
>> }
>>
>>
>> Booting from NFS, the system crashes at ~40mb allocated
>> On MMC at ~60MB
>>
>> Med venlig hilsen/Best regards
>>
>> Casper Mogensen
>>
>> ________________________________________
>> From: Tony Lindgren <t...@atomide.com>
>> Sent: Friday, June 20, 2014 11:14
>> To: Casper Lyngesen Mogensen
>> Cc: linux-omap@vger.kernel.org
>> Subject: Re: OMAP 3630 random crashes
>>
>> Hi,
>>
>> * Casper Lyngesen Mogensen <clmogen...@grundfos.com> [140620 01:52]:
>>> Hi
>>>
>>> I have custom board with a Gumstix Overo, my board is similar to a
>>> Tobi board. Right now i have it running with a 3.5.0 kernel. I'm
>>> trying to upgrade the kernel, and have tried several versions (3.10 ->
>>> 3.15) and i seem to be hitting the same problem with all versions, i
>>> get random crashes. Found a way to trigger the crash within
>>> minutes/seconds:
>>>
>>> # dd if=/dev/urandom of=/tmp/test.file bs=1024 count=100000
>>>
>>> A count > 10000 will at some point trigger the crash. The hang/crash
>>> is repeatable everytime but the log is not, sometimes i do not get
>>> any trace at all. I can provide more logs if necessary. Config and
>>> crash log are below..
>>>
>>> Have tried disabling various peripherals, such as sound, usb,
>>> ethernet, wifi, bluetooth, but with no luck. Also tried different Overo
>>> boards.
>>>
>>> Hope someone can help me/point me in the right direction
>>
>> I was seeing similar issues with NFSroot until commit dcf21919
>> (ARM: dts: Fix GPMC timings for LAN9220). Turns out LAN9220 has
>> much slower timings compared to LAN9221. So you need to check that
>> you're using right timings if you have LAN9220.
>>
>> Also, check what rate your bootloader is setting the L3 speed.
>> If it's set to 200MHz, then LAN9220 timings seem to overflow the
>> GPMC registers for the calculated values and bootloader timings
>> are used instead.
>>
>>> Starting kernel ...
>>>
>>> [ 0.000000] Booting Linux on physical CPU 0x0
>>> [ 0.000000] Linux version 3.15.0 (clmo@N66266) (gcc version 4.8.1
>>> (crosstool-NG 1.19.0) ) #3 SMP Wed Jun 11 23:50:13 CEST 2014
>>> [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7),
>>> cr=10c5387d
>>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
>>> instruction cache
>>> [ 0.000000] Machine model: OMAP36xx/AM37xx/DM37xx Gumstix Overo on Tobi
>>> [ 0.000000] cma: CMA: reserved 16 MiB at 8d800000
>>> [ 0.000000] Memory policy: Data cache writeback
>>> [ 0.000000] CPU: All CPU(s) started in SVC mode.
>>> [ 0.000000] OMAP3630 ES1.2 (l2cache neon isp 192mhz_clk )
>>> [ 0.000000] PERCPU: Embedded 9 pages/cpu @cecc6000 s14080 r8192 d14592
>>> u36864
>>> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
>>> Total pages: 60704
>>> [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/nfs
>>> nfsroot=192.168.100.1:/export/bbroot,nolock rw
>>> ip=192.168.100.7::192.168.100.1:::eth0:off mem=240M
>>
>> Maybe also check if your test works with NFSroot idsabled.
>>
>> Regards,
>>
>> Tony
>> --
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