UBI/UBIFS corruptions during random power-cuts
Bhuvanchandra DV
bhuvanchandra.dv at toradex.com
Mon Jan 30 23:06:57 PST 2017
On 01/31/2017 02:18 AM, Richard Weinberger wrote:
> Bhuvan,
>
> Am 30.01.2017 um 14:31 schrieb Bhuvanchandra DV:
>> On 01/30/2017 01:27 PM, Richard Weinberger wrote:
>>
>>> Bhuvan,
>>>
>>> Am 30.01.2017 um 06:48 schrieb Bhuvanchandra DV:
>>>> [ 9.823378] UBIFS (ubi0:2): background thread "ubifs_bgt0_2" started, PID 126
>>>> [ 10.190926] UBIFS assert failed in pack_bits at 242 (pid 120)
>>>> [ 10.197294] CPU: 0 PID: 120 Comm: mount Not tainted 4.10.0-rc4-00016-g60124f748422-dirty #13
>>>> [ 10.205952] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
>>>> [ 10.212515] Backtrace:
>>>> [ 10.215142] [<c010c474>] (dump_backtrace) from [<c010c71c>] (show_stack+0x18/0x1c)
>>>> [ 10.222899] r7:00000000 r6:600c0013 r5:00000000 r4:c0e29058
>>>> [ 10.228716] [<c010c704>] (show_stack) from [<c03fcf18>] (dump_stack+0xb4/0xe8)
>>>> [ 10.236150] [<c03fce64>] (dump_stack) from [<c037b2dc>] (pack_bits+0x1f4/0x200)
>>>> [ 10.243649] r10:0000b800 r9:ffffffee r8:c32bdd50 r7:c32bdd54 r6:00000001 r5:c831c860
>>>> [ 10.251651] r4:0000000e r3:00000000
>>>> [ 10.255352] [<c037b0e8>] (pack_bits) from [<c037bf90>] (ubifs_pack_pnode+0x84/0x104)
>>>> [ 10.263289] r9:c831c853 r8:c831c851 r7:c32299e0 r6:c30dc000 r5:c32bdd54 r4:c32299c8
>>>> [ 10.271233] [<c037bf0c>] (ubifs_pack_pnode) from [<c0385d50>] (ubifs_lpt_end_commit+0x27c/0x6fc)
>>>> [ 10.280214] r9:00000001 r8:c8311000 r7:00000011 r6:0000b862 r5:c3229980 r4:c30dc000
>>>> [ 10.288148] [<c0385ad4>] (ubifs_lpt_end_commit) from [<c0373658>] (do_commit+0x244/0x80c)
>>>> [ 10.296515] r10:00000020 r9:00000020 r8:c3195dd4 r7:00000003 r6:c30dc2f0 r5:c30dc000
>>>> [ 10.304514] r4:00000000
>>>> [ 10.307163] [<c0373414>] (do_commit) from [<c0373e70>] (ubifs_run_commit+0x9c/0xf0)
>>>> [ 10.315001] r8:00000000 r7:c30dcb48 r6:c30dc3e4 r5:c30dc42c r4:c30dc000
>>>> [ 10.321856] [<c0373dd4>] (ubifs_run_commit) from [<c03823dc>] (ubifs_rcvry_gc_commit+0x7c/0x1d8)
>>>> [ 10.330830] r7:c30dcb48 r6:c3195c00 r5:c30dcb8c r4:c30dc000
>>>> [ 10.336659] [<c0382360>] (ubifs_rcvry_gc_commit) from [<c0364700>] (ubifs_remount_fs+0x514/0x79c)
>>>> [ 10.345731] r7:c30dcb48 r6:c32a3c00 r5:c30dcb8c r4:c30dc000
>>>> [ 10.351548] [<c03641ec>] (ubifs_remount_fs) from [<c0225188>] (do_remount_sb+0x6c/0x1d8)
>>>> [ 10.359825] r9:00000020 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:c318a000
>>>> [ 10.367783] [<c022511c>] (do_remount_sb) from [<c0248f4c>] (do_mount+0x698/0xc84)
>>>> [ 10.375452] r8:c3108b10 r7:c02498e8 r6:c318a000 r5:00000000 r4:c318a044
>>>> [ 10.382306] [<c02488b4>] (do_mount) from [<c02498e8>] (SyS_mount+0x7c/0xa4)
>>>> [ 10.389416] r10:00000000 r9:c32bc000 r8:c0ed0020 r7:01696860 r6:00000000 r5:c3214b40
>>>> [ 10.397418] r4:c3214e80
>>>> [ 10.400075] [<c024986c>] (SyS_mount) from [<c0107e60>] (ret_fast_syscall+0x0/0x1c)
>>>> [ 10.407832] r8:c0108004 r7:00000015 r6:00000000 r5:00000000 r4:00000000
>>>> [ 10.518251] systemd[1]: Started Journal Service.
>>> This is what I was looking for! :)
>>> Let's see whether I can find the root cause with that issue, otherwise I'll create
>>> a debug patch for you.
>> Sure! Thank you.
> Hmm, i suspect that the dirty variable turns negative. Can you please reproduce
> with the attached debug patch? Maybe it gives us more hints what is going on.
Here is the log:
[ 4.313136] UBIFS (ubi0:2): recovery needed
[ 4.646472] ------------[ cut here ]------------
[ 4.651575] WARNING: CPU: 0 PID: 1 at fs/ubifs/replay.c:143 ubifs_replay_journal+0x1434/0x14bc
[ 4.660406] Modules linked in:
[ 4.663904] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0-rc4-00016-g60124f748422-dirty #14
[ 4.672721] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
[ 4.679290] Backtrace:
[ 4.681907] [<c010c474>] (dump_backtrace) from [<c010c71c>] (show_stack+0x18/0x1c)
[ 4.689665] r7:00000000 r6:60000013 r5:00000000 r4:c0e29058
[ 4.695480] [<c010c704>] (show_stack) from [<c03fcf78>] (dump_stack+0xb4/0xe8)
[ 4.702896] [<c03fcec4>] (dump_stack) from [<c0125f64>] (__warn+0xd8/0x104)
[ 4.710006] r10:c30dc000 r9:c0371ce0 r8:c0c1e4a0 r7:0000008f r6:00000009 r5:00000000
[ 4.718008] r4:00000000 r3:00000000
[ 4.721702] [<c0125e8c>] (__warn) from [<c0126044>] (warn_slowpath_null+0x28/0x30)
[ 4.729454] r9:00000000 r8:c30dcd2c r7:c30dcc0c r6:0001b948 r5:c32326c8 r4:c31dcb40
[ 4.737386] [<c012601c>] (warn_slowpath_null) from [<c0371ce0>] (ubifs_replay_journal+0x1434/0x14bc)
[ 4.746745] [<c03708ac>] (ubifs_replay_journal) from [<c03662ac>] (ubifs_mount+0x13d8/0x17d8)
[ 4.755468] r10:c30dc008 r9:c31dc3c0 r8:c30dcb48 r7:00000000 r6:c30dc000 r5:c318a000
[ 4.763468] r4:00000000
[ 4.766138] [<c0364ed4>] (ubifs_mount) from [<c022558c>] (mount_fs+0x1c/0xb0)
[ 4.773427] r10:00008001 r9:00000000 r8:c0248a04 r7:c0e2515c r6:c0e2515c r5:c31dc340
[ 4.781424] r4:c3108b00
[ 4.784090] [<c0225570>] (mount_fs) from [<c0244bd4>] (vfs_kern_mount+0x5c/0x134)
[ 4.791747] r6:00008001 r5:c31dc340 r4:c3108b00
[ 4.796509] [<c0244b78>] (vfs_kern_mount) from [<c0248a04>] (do_mount+0x150/0xc84)
[ 4.804263] r9:00000060 r8:c31dc300 r7:c02498e8 r6:c31dc340 r5:00000000 r4:c0e2515c
[ 4.812197] [<c02488b4>] (do_mount) from [<c02498e8>] (SyS_mount+0x7c/0xa4)
[ 4.819307] r10:c0d00604 r9:c0d60888 r8:00008001 r7:c0bf5644 r6:00000000 r5:c31dc340
[ 4.827301] r4:c31dc300
[ 4.829955] [<c024986c>] (SyS_mount) from [<c0d0121c>] (mount_block_root+0x10c/0x274)
[ 4.837970] r8:c0d60878 r7:c7d3cd80 r6:c31ec000 r5:c31ec000 r4:00008001
[ 4.844820] [<c0d01110>] (mount_block_root) from [<c0d01644>] (prepare_namespace+0x98/0x1d0)
[ 4.853453] r10:c0d00604 r9:c0d60858 r8:c0d60854 r7:c0e78000 r6:c0d60878 r5:c0d60878
[ 4.861452] r4:c0d60888
[ 4.864099] [<c0d015ac>] (prepare_namespace) from [<c0d00ec0>] (kernel_init_freeable+0x1ac/0x1f8)
[ 4.873155] r6:c0d73d5c r5:c0e78000 r4:00000008
[ 4.877912] [<c0d00d14>] (kernel_init_freeable) from [<c0979c30>] (kernel_init+0x10/0x120)
[ 4.886369] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0979c20
[ 4.894361] r4:00000000
[ 4.897019] [<c0979c20>] (kernel_init) from [<c0107ef0>] (ret_from_fork+0x14/0x24)
[ 4.904767] r5:c0979c20 r4:00000000
[ 4.908858] ---[ end trace 0f8d6b2bab39eeac ]---
[ 4.913831] UBIFS error (ubi0:2 pid 1): ubifs_replay_journal: LEB 909 lp free: 126976 lp dirty: 112968 b free: 0 b8
[ 4.927181] ------------[ cut here ]------------
[ 4.932194] WARNING: CPU: 0 PID: 1 at fs/ubifs/replay.c:143 ubifs_replay_journal+0x1434/0x14bc
[ 4.941005] Modules linked in:
[ 4.944485] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.10.0-rc4-00016-g60124f748422-dirty #14
[ 4.954530] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
[ 4.961097] Backtrace:
[ 4.963702] [<c010c474>] (dump_backtrace) from [<c010c71c>] (show_stack+0x18/0x1c)
[ 4.971456] r7:00000000 r6:60000013 r5:00000000 r4:c0e29058
[ 4.977272] [<c010c704>] (show_stack) from [<c03fcf78>] (dump_stack+0xb4/0xe8)
[ 4.984684] [<c03fcec4>] (dump_stack) from [<c0125f64>] (__warn+0xd8/0x104)
[ 4.991798] r10:c30dc000 r9:c0371ce0 r8:c0c1e4a0 r7:0000008f r6:00000009 r5:00000000
[ 4.999800] r4:00000000 r3:00000000
[ 5.003497] [<c0125e8c>] (__warn) from [<c0126044>] (warn_slowpath_null+0x28/0x30)
[ 5.011254] r9:00000000 r8:c30dcd2c r7:c30dcc0c r6:000143e8 r5:c32326b0 r4:c31dcbc0
[ 5.019192] [<c012601c>] (warn_slowpath_null) from [<c0371ce0>] (ubifs_replay_journal+0x1434/0x14bc)
[ 5.028553] [<c03708ac>] (ubifs_replay_journal) from [<c03662ac>] (ubifs_mount+0x13d8/0x17d8)
[ 5.037277] r10:c30dc008 r9:c31dc3c0 r8:c30dcb48 r7:00000000 r6:c30dc000 r5:c318a000
[ 5.045277] r4:00000000
[ 5.047938] [<c0364ed4>] (ubifs_mount) from [<c022558c>] (mount_fs+0x1c/0xb0)
[ 5.055224] r10:00008001 r9:00000000 r8:c0248a04 r7:c0e2515c r6:c0e2515c r5:c31dc340
[ 5.063224] r4:c3108b00
[ 5.065886] [<c0225570>] (mount_fs) from [<c0244bd4>] (vfs_kern_mount+0x5c/0x134)
[ 5.073547] r6:00008001 r5:c31dc340 r4:c3108b00
[ 5.078309] [<c0244b78>] (vfs_kern_mount) from [<c0248a04>] (do_mount+0x150/0xc84)
[ 5.086063] r9:00000060 r8:c31dc300 r7:c02498e8 r6:c31dc340 r5:00000000 r4:c0e2515c
[ 5.093999] [<c02488b4>] (do_mount) from [<c02498e8>] (SyS_mount+0x7c/0xa4)
[ 5.101107] r10:c0d00604 r9:c0d60888 r8:00008001 r7:c0bf5644 r6:00000000 r5:c31dc340
[ 5.109103] r4:c31dc300
[ 5.111754] [<c024986c>] (SyS_mount) from [<c0d0121c>] (mount_block_root+0x10c/0x274)
[ 5.119770] r8:c0d60878 r7:c7d3cd80 r6:c31ec000 r5:c31ec000 r4:00008001
[ 5.126622] [<c0d01110>] (mount_block_root) from [<c0d01644>] (prepare_namespace+0x98/0x1d0)
[ 5.135252] r10:c0d00604 r9:c0d60858 r8:c0d60854 r7:c0e78000 r6:c0d60878 r5:c0d60878
[ 5.143250] r4:c0d60888
[ 5.145899] [<c0d015ac>] (prepare_namespace) from [<c0d00ec0>] (kernel_init_freeable+0x1ac/0x1f8)
[ 5.154954] r6:c0d73d5c r5:c0e78000 r4:00000008
[ 5.159709] [<c0d00d14>] (kernel_init_freeable) from [<c0979c30>] (kernel_init+0x10/0x120)
[ 5.168160] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0979c20
[ 5.176151] r4:00000000
[ 5.178811] [<c0979c20>] (kernel_init) from [<c0107ef0>] (ret_from_fork+0x14/0x24)
[ 5.186556] r5:c0979c20 r4:00000000
[ 5.190810] ---[ end trace 0f8d6b2bab39eead ]---
[ 5.195803] UBIFS error (ubi0:2 pid 1): ubifs_replay_journal: LEB 908 lp free: 126976 lp dirty: 82920 b free: 0 b 0
[ 5.209152] ------------[ cut here ]------------
[ 5.214149] WARNING: CPU: 0 PID: 1 at fs/ubifs/replay.c:143 ubifs_replay_journal+0x1434/0x14bc
[ 5.223250] Modules linked in:
[ 5.226486] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.10.0-rc4-00016-g60124f748422-dirty #14
[ 5.236506] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
[ 5.243069] Backtrace:
[ 5.245682] [<c010c474>] (dump_backtrace) from [<c010c71c>] (show_stack+0x18/0x1c)
[ 5.253439] r7:00000000 r6:60000013 r5:00000000 r4:c0e29058
[ 5.259249] [<c010c704>] (show_stack) from [<c03fcf78>] (dump_stack+0xb4/0xe8)
[ 5.266668] [<c03fcec4>] (dump_stack) from [<c0125f64>] (__warn+0xd8/0x104)
[ 5.273780] r10:c30dc000 r9:c0371ce0 r8:c0c1e4a0 r7:0000008f r6:00000009 r5:00000000
[ 5.281783] r4:00000000 r3:00000000
[ 5.285478] [<c0125e8c>] (__warn) from [<c0126044>] (warn_slowpath_null+0x28/0x30)
[ 5.293237] r9:00000000 r8:c30dcd2c r7:c30dcc0c r6:00015cf8 r5:c3232698 r4:c31dcc40
[ 5.301176] [<c012601c>] (warn_slowpath_null) from [<c0371ce0>] (ubifs_replay_journal+0x1434/0x14bc)
[ 5.310536] [<c03708ac>] (ubifs_replay_journal) from [<c03662ac>] (ubifs_mount+0x13d8/0x17d8)
[ 5.319259] r10:c30dc008 r9:c31dc3c0 r8:c30dcb48 r7:00000000 r6:c30dc000 r5:c318a000
[ 5.327259] r4:00000000
[ 5.329923] [<c0364ed4>] (ubifs_mount) from [<c022558c>] (mount_fs+0x1c/0xb0)
[ 5.337215] r10:00008001 r9:00000000 r8:c0248a04 r7:c0e2515c r6:c0e2515c r5:c31dc340
[ 5.345216] r4:c3108b00
[ 5.347878] [<c0225570>] (mount_fs) from [<c0244bd4>] (vfs_kern_mount+0x5c/0x134)
[ 5.355537] r6:00008001 r5:c31dc340 r4:c3108b00
[ 5.360297] [<c0244b78>] (vfs_kern_mount) from [<c0248a04>] (do_mount+0x150/0xc84)
[ 5.368056] r9:00000060 r8:c31dc300 r7:c02498e8 r6:c31dc340 r5:00000000 r4:c0e2515c
[ 5.375990] [<c02488b4>] (do_mount) from [<c02498e8>] (SyS_mount+0x7c/0xa4)
[ 5.383099] r10:c0d00604 r9:c0d60888 r8:00008001 r7:c0bf5644 r6:00000000 r5:c31dc340
[ 5.391092] r4:c31dc300
[ 5.393743] [<c024986c>] (SyS_mount) from [<c0d0121c>] (mount_block_root+0x10c/0x274)
[ 5.401759] r8:c0d60878 r7:c7d3cd80 r6:c31ec000 r5:c31ec000 r4:00008001
[ 5.408613] [<c0d01110>] (mount_block_root) from [<c0d01644>] (prepare_namespace+0x98/0x1d0)
[ 5.417244] r10:c0d00604 r9:c0d60858 r8:c0d60854 r7:c0e78000 r6:c0d60878 r5:c0d60878
[ 5.425243] r4:c0d60888
[ 5.427891] [<c0d015ac>] (prepare_namespace) from [<c0d00ec0>] (kernel_init_freeable+0x1ac/0x1f8)
[ 5.436947] r6:c0d73d5c r5:c0e78000 r4:00000008
[ 5.441701] [<c0d00d14>] (kernel_init_freeable) from [<c0979c30>] (kernel_init+0x10/0x120)
[ 5.450159] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0979c20
[ 5.458151] r4:00000000
[ 5.460809] [<c0979c20>] (kernel_init) from [<c0107ef0>] (ret_from_fork+0x14/0x24)
[ 5.468549] r5:c0979c20 r4:00000000
[ 5.472625] ---[ end trace 0f8d6b2bab39eeae ]---
[ 5.477444] UBIFS error (ubi0:2 pid 1): ubifs_replay_journal: LEB 907 lp free: 126976 lp dirty: 89336 b free: 0 b 6
[ 5.490551] ------------[ cut here ]------------
[ 5.495644] WARNING: CPU: 0 PID: 1 at fs/ubifs/replay.c:143 ubifs_replay_journal+0x1434/0x14bc
[ 5.504653] Modules linked in:
[ 5.507883] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.10.0-rc4-00016-g60124f748422-dirty #14
[ 5.517898] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
[ 5.524463] Backtrace:
[ 5.527067] [<c010c474>] (dump_backtrace) from [<c010c71c>] (show_stack+0x18/0x1c)
[ 5.534825] r7:00000000 r6:60000013 r5:00000000 r4:c0e29058
[ 5.540637] [<c010c704>] (show_stack) from [<c03fcf78>] (dump_stack+0xb4/0xe8)
[ 5.548053] [<c03fcec4>] (dump_stack) from [<c0125f64>] (__warn+0xd8/0x104)
[ 5.555162] r10:c30dc000 r9:c0371ce0 r8:c0c1e4a0 r7:0000008f r6:00000009 r5:00000000
[ 5.563165] r4:00000000 r3:00000000
[ 5.566862] [<c0125e8c>] (__warn) from [<c0126044>] (warn_slowpath_null+0x28/0x30)
[ 5.574612] r9:00000000 r8:c30dcd2c r7:c30dcc0c r6:00005df0 r5:c3232ae0 r4:c31dccc0
[ 5.582549] [<c012601c>] (warn_slowpath_null) from [<c0371ce0>] (ubifs_replay_journal+0x1434/0x14bc)
[ 5.591910] [<c03708ac>] (ubifs_replay_journal) from [<c03662ac>] (ubifs_mount+0x13d8/0x17d8)
[ 5.600636] r10:c30dc008 r9:c31dc3c0 r8:c30dcb48 r7:00000000 r6:c30dc000 r5:c318a000
[ 5.608635] r4:00000000
[ 5.611297] [<c0364ed4>] (ubifs_mount) from [<c022558c>] (mount_fs+0x1c/0xb0)
[ 5.618582] r10:00008001 r9:00000000 r8:c0248a04 r7:c0e2515c r6:c0e2515c r5:c31dc340
[ 5.626581] r4:c3108b00
[ 5.629245] [<c0225570>] (mount_fs) from [<c0244bd4>] (vfs_kern_mount+0x5c/0x134)
[ 5.636906] r6:00008001 r5:c31dc340 r4:c3108b00
[ 5.641664] [<c0244b78>] (vfs_kern_mount) from [<c0248a04>] (do_mount+0x150/0xc84)
[ 5.649419] r9:00000060 r8:c31dc300 r7:c02498e8 r6:c31dc340 r5:00000000 r4:c0e2515c
[ 5.657355] [<c02488b4>] (do_mount) from [<c02498e8>] (SyS_mount+0x7c/0xa4)
[ 5.664465] r10:c0d00604 r9:c0d60888 r8:00008001 r7:c0bf5644 r6:00000000 r5:c31dc340
[ 5.672459] r4:c31dc300
[ 5.675111] [<c024986c>] (SyS_mount) from [<c0d0121c>] (mount_block_root+0x10c/0x274)
[ 5.683127] r8:c0d60878 r7:c7d3cd80 r6:c31ec000 r5:c31ec000 r4:00008001
[ 5.689978] [<c0d01110>] (mount_block_root) from [<c0d01644>] (prepare_namespace+0x98/0x1d0)
[ 5.698609] r10:c0d00604 r9:c0d60858 r8:c0d60854 r7:c0e78000 r6:c0d60878 r5:c0d60878
[ 5.706600] r4:c0d60888
[ 5.709248] [<c0d015ac>] (prepare_namespace) from [<c0d00ec0>] (kernel_init_freeable+0x1ac/0x1f8)
[ 5.718302] r6:c0d73d5c r5:c0e78000 r4:00000008
[ 5.723057] [<c0d00d14>] (kernel_init_freeable) from [<c0979c30>] (kernel_init+0x10/0x120)
[ 5.731508] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0979c20
[ 5.739500] r4:00000000
[ 5.742149] [<c0979c20>] (kernel_init) from [<c0107ef0>] (ret_from_fork+0x14/0x24)
[ 5.749888] r5:c0979c20 r4:00000000
[ 5.753960] ---[ end trace 0f8d6b2bab39eeaf ]---
[ 5.758775] UBIFS error (ubi0:2 pid 1): ubifs_replay_journal: LEB 906 lp free: 126976 lp dirty: 24048 b free: 0 b 8
[ 5.819011] UBIFS (ubi0:2): recovery deferred
[ 5.825155] UBIFS (ubi0:2): UBIFS: mounted UBI device 0, volume 2, name "rootfs", R/O mode
[ 5.834016] UBIFS (ubi0:2): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[ 5.844368] UBIFS (ubi0:2): FS size: 114532352 bytes (109 MiB, 902 LEBs), journal size 9023488 bytes (8 MiB, 72 LE)
[ 5.855418] UBIFS (ubi0:2): reserved for root: 0 bytes (0 KiB)
[ 5.861580] UBIFS (ubi0:2): media format: w4/r0 (latest is w5/r0), UUID 297830B7-F714-4754-B0DA-617A5595067D, small
[ 5.876654] VFS: Mounted root (ubifs filesystem) readonly on device 0:12.
--
Bhuvan
>
> Thanks,
> //richard
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