From: enrico benetti <enrico.benetti@bluewind.it>
To: linux-mtd@lists.infradead.org
Subject: Re: UBI leb_write_unlock NULL pointer Oops
Date: Tue, 09 Jul 2013 10:23:00 +0200 [thread overview]
Message-ID: <51DBC864.6060505@bluewind.it> (raw)
In-Reply-To: <CAP+RiCDA=WnWfja+qa25Va60Wjee9Pcq69B02yMsvtw4BcwcKQ@mail.gmail.com>
> I have yet to reproduce the oops', but the two patches submitted by
> Atrem look like them may correct the issue. I'll apply the patches
> and try to reproduce the issue again.
>
Hi Brent,
I'm working on a back-ported 2.6.35.3 tree for a NOR based system (
00AM29EWH).
I already merged
605c912bb843c024b1ed173dc427cd5c08e5d54d UBIFS: fix a horrid bug
33f1a63ae84dfd9ad298cf275b8f1887043ced36 UBIFS: prepare to fix a horrid bug
but rarely I fall into this oops on NULL pointer, so they don't seem to fix
the issue.
I'm going to run again integck test with ubi debug messages active.
Trace follows below:
integck: write 152 bytes, offset 251, file 2694 (line 903)
integck: write 2 bytes, offset 10225, file 632263 (line 903)
integck: write 1 bytes, offset 0, file
kdubxbrrfdtmjdhbqlhkpzguwvcmdjaprvibhjcvpfmkylppqaxnkocxjbxqssmxcnsdmsfbxesrssgtzkejenoccxgqusrov
ngonlypkcejuqxiyjzxbsykagidcfmckgpfzcvvfwkiawgizuarwvlfcibwtefadewrhzthaazwzylqjnauhmlavxhqmpmxdbhriyknugufzowqbutprulmyzsckvnscixdlejbf
ftfloltumrmoayncb (line 903)
integck: write 30564 bytes, offset 6132, file 538228 (line 903)
integck: write 1 bytes, offset 30284, file 538228 (line 903)
integck: write 42 bytes, offset 36734, file 433076 (line 903)
[ 300.554525] Unable to handle kernel NULL pointer dereference at
virtual address 0000000c
[ 300.562641] pgd = 8d408000
[ 300.565353] [0000000c] *pgd=9d46b031, *pte=00000000, *ppte=00000000
[ 300.571672] Internal error: Oops: 17 [#1] PREEMPT
[ 300.576383] last sysfs file: /sys/devices/virtual/ubi/ubi0/min_io_size
[ 300.582919] Modules linked in:
[ 300.585996] CPU: 0 Not tainted
(2.6.35.3-998-ga1cd8a7-v3.8-gabc6f42 #15)
[ 300.593080] PC is at __up_write+0x40/0x188
[ 300.597192] LR is at leb_write_unlock+0xa0/0xf4
[ 300.601733] pc : [<801fb698>] lr : [<80283e08>] psr: 00000093
[ 300.601741] sp : 8d3a9ad0 ip : 8d3a9af8 fp : 00000012
[ 300.613236] r10: 00013d08 r9 : 00000080 r8 : 60000013
[ 300.618470] r7 : 8d3fb29c r6 : 00000000 r5 : 8d3fb298 r4 : 8d3fb280
[ 300.625006] r3 : 8d3a8000 r2 : 00000000 r1 : 00000000 r0 : 8d3fb298
[ 300.631547] Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM
Segment user
[ 300.638780] Control: 10c5387d Table: 9d408019 DAC: 00000015
[ 300.644535] Process integck (pid: 1243, stack limit = 0x8d3a82e8)
[ 300.650638] Stack: (0x8d3a9ad0 to 0x8d3aa000)
[ 300.655006] 9ac0: 8d3fb298
8d3fb280 8d31f000 00000000
[ 300.663201] 9ae0: 0000000b 00000000 00000080 00013d08 00000012
80283e08 8d31f000 8d343c00
[ 300.671395] 9b00: 00000000 802850e0 000002f8 00000021 00000000
80057180 0000001f 8002a070
[ 300.679591] 9b20: ffffffff 8e800000 8d343c00 8002aa8c 8b5cf000
8b9024b1 8b5cf125 8d434000
[ 300.687786] 9b40: ffccd581 8b5cf000 000008cd 8ea62000 000000bd
000002f8 8d343c00 00013d08
[ 300.695981] 9b60: 8d31f000 0000000b 8d43f080 00000000 8d434000
80282c34 00013d08 000002f8
[ 300.704176] 9b80: 8b5d0000 00005789 00000057 000000bb 8d434030
8d434000 8d440000 00013d08
[ 300.712371] 9ba0: 0000000b 000002f8 8d434000 00000108 00013d08
801a4bd4 000002f8 0000000b
[ 300.720566] 9bc0: 8d434000 00013d08 8d400520 8d440000 00001030
8d400520 00001030 801a5308
[ 300.728761] 9be0: 000002f8 8d400544 00000000 00000000 8d434000
00001030 00000000 0004a6f6
[ 300.736955] 9c00: 8d440000 0000000b 00000000 8d434000 8d440000
8d3a9cc0 8d400520 00001030
[ 300.745150] 9c20: 0000000b 00000001 00013d08 80198984 8d3a9c74
00000108 00000012 00013c80
[ 300.753344] 9c40: 00000000 8d440000 00000000 8d3a9d1c 00000008
00000000 4000286d 806f89e0
[ 300.761540] 9c60: 8c0eb9d0 00000000 a0000013 8d440008 00001000
00000000 00000000 806f89e0
[ 300.769735] 9c80: 8d440000 8c0eb930 00001000 20000008 00000880
8b5cf000 00000001 8019a954
[ 300.777930] 9ca0: 00001000 80085108 00000000 8d4405f4 8d440604
806f89e0 806f89e0 8d3a9d80
[ 300.786125] 9cc0: 00000880 20000008 8c0eb9d0 00000008 806f89e0
8d3a9d14 00000000 8c0eb9d0
[ 300.794319] 9ce0: 00000000 8008bd80 8d3a9d80 8008c718 00000001
00000000 00000009 00000001
[ 300.802513] 9d00: 8008bd6c 8c0eb9d0 00008f7d 00000000 00008fa8
00000001 00000000 806f89e0
[ 300.810708] 9d20: 8b5cf000 8b5cff7e 0000002a 00000000 0000002a
0000002a 8d3a8000 8c0eb9d0
[ 300.818902] 9d40: 00000000 00000f7e 803eb838 00000000 0000002a
00000009 0000002a 8d3a9d80
[ 300.827096] 9d60: 8c0eb9d0 00008f7e 00000000 00008f7e 00000000
00000001 00000000 80085dac
[ 300.835291] 9d80: 00000001 00000000 00000000 7fffffff 00000000
00000000 00008f7e 00000000
[ 300.843485] 9da0: 00008fa7 00000000 00000000 00000000 8c0eb9d0
00000015 8c0eb9d0 00008fa7
[ 300.851680] 9dc0: 00000000 80085de8 00008fa7 00000000 00000001
80574e68 80574e60 8c0eb9d0
[ 300.859875] 9de0: 8d087a80 00008fa7 00000000 0000002a 8d3a9f38
800d4294 00008fa7 00000000
[ 300.868069] 9e00: 00008f7e 00008fa7 00000000 0000002a 00000000
800d4348 00008fa7 00000000
[ 300.876264] 9e20: 00000001 8d087a80 8c0eb9a4 0000002a 00000000
8d087a80 00000001 800865c0
[ 300.884458] 9e40: 0000002a 00000000 00008f7e 00000000 8d3a9ec0
8d440000 00000000 00000001
[ 300.892653] 9e60: 8d3a9f38 80199254 00008f7e 00000000 8052db38
00100000 00000000 00000000
[ 300.900847] 9e80: 00000000 000000a0 60000013 00000000 00000002
a0000013 8d3a9ec0 8d3a9f80
[ 300.909042] 9ea0: 8d087a80 8d3a9f38 fffffdee 8d3a8000 00008f7e
800b25c0 00008f7e 00000000
[ 300.917236] 9ec0: a0000013 8d0d1d80 00000000 00000001 ffffffff
8d087a80 00000000 00000000
[ 300.925431] 9ee0: 00000000 00000000 8d102e60 40000013 00000000
00000000 00008fa8 00000000
[ 300.933626] 9f00: 2aac9000 0000003e 0000002a 60000113 0000002a
00000000 00000000 00000102
[ 300.941821] 9f20: 0000000a 80533af0 8d3a9f44 8004e01c 00000004
8c004000 7eb99a48 0000002a
[ 300.950016] 9f40: 0000002a 8d087a80 7eb99a48 8d3a9f80 0000002a
00000000 0002a6f0 800b2fc4
[ 300.958211] 9f60: 8d087a80 7eb99a48 8d087a80 7eb99a48 00008f7e
00000000 0000002a 800b3118
[ 300.966405] 9f80: 00008f7e 00000000 0000002a 00000000 0000002a
00007fff 7eba1a70 00000004
[ 300.974600] 9fa0: 8002b104 8002af80 0000002a 00007fff 00000004
7eb99a48 0000002a 000003be
[ 300.982794] 9fc0: 0000002a 00007fff 7eba1a70 00000004 7eb99a48
0000002a 00000000 0002a6f0
[ 300.990989] 9fe0: 0000002a 7eb99a28 0000ae1c 2ab9924c 40000010
00000004 00000000 00000000
[ 300.999209] [<801fb698>] (__up_write+0x40/0x188) from [<80283e08>]
(leb_write_unlock+0xa0/0xf4)
[ 301.007931] [<80283e08>] (leb_write_unlock+0xa0/0xf4) from
[<802850e0>] (ubi_eba_write_leb+0x568/0x80c)
[ 301.017345] [<802850e0>] (ubi_eba_write_leb+0x568/0x80c) from
[<80282c34>] (ubi_leb_write+0x124/0x168)
[ 301.026683] [<80282c34>] (ubi_leb_write+0x124/0x168) from
[<801a4bd4>] (ubifs_leb_write+0x104/0x118)
[ 301.035842] [<801a4bd4>] (ubifs_leb_write+0x104/0x118) from
[<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8)
[ 301.045867] [<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8) from
[<80198984>] (ubifs_jnl_write_data+0x200/0x33c)
[ 301.056326] [<80198984>] (ubifs_jnl_write_data+0x200/0x33c) from
[<8019a954>] (do_writepage+0x9c/0x1e4)
[ 301.065751] [<8019a954>] (do_writepage+0x9c/0x1e4) from [<8008bd80>]
(__writepage+0x14/0x5c)
[ 301.074215] [<8008bd80>] (__writepage+0x14/0x5c) from [<8008c718>]
(write_cache_pages+0x24c/0x32c)
[ 301.083197] [<8008c718>] (write_cache_pages+0x24c/0x32c) from
[<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c)
[ 301.093482] [<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c) from
[<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
[ 301.104562] [<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
from [<800d4294>] (vfs_fsync_range+0x34/0x7c)
[ 301.114677] [<800d4294>] (vfs_fsync_range+0x34/0x7c) from
[<800d4348>] (generic_write_sync+0x6c/0x74)
[ 301.123918] [<800d4348>] (generic_write_sync+0x6c/0x74) from
[<800865c0>] (generic_file_aio_write+0xb4/0xc8)
[ 301.133768] [<800865c0>] (generic_file_aio_write+0xb4/0xc8) from
[<80199254>] (ubifs_aio_write+0x168/0x17c)
[ 301.143533] [<80199254>] (ubifs_aio_write+0x168/0x17c) from
[<800b25c0>] (do_sync_write+0xa0/0xe8)
[ 301.152513] [<800b25c0>] (do_sync_write+0xa0/0xe8) from [<800b2fc4>]
(vfs_write+0xac/0x154)
[ 301.160884] [<800b2fc4>] (vfs_write+0xac/0x154) from [<800b3118>]
(sys_write+0x3c/0x68)
[ 301.168917] [<800b3118>] (sys_write+0x3c/0x68) from [<8002af80>]
(ret_fast_syscall+0x0/0x30)
[ 301.177375] Code: e4871004 e5902004 e1520007 0a00003c (e592600c)
[ 301.183561] mxc_ipu mxc_ipu: Channel already disabled 9
[ 301.188798] mxc_ipu mxc_ipu: Channel already uninitialized 9
[ 301.194579] BUG: scheduling while atomic: integck/1243/0x00000004
[ 301.200679] Modules linked in:
[ 301.203783] [<8002f828>] (unwind_backtrace+0x0/0x16c) from
[<803d74e4>] (schedule+0x6c/0x324)
[ 301.212333] [<803d74e4>] (schedule+0x6c/0x324) from [<803d7f70>]
(schedule_timeout+0x1c8/0x1fc)
[ 301.221059] [<803d7f70>] (schedule_timeout+0x1c8/0x1fc) from
[<8005d758>] (msleep+0x14/0x24)
[ 301.229538] [<8005d758>] (msleep+0x14/0x24) from [<802f86cc>]
(ipu_init_sync_panel+0x314/0x1150)
[ 301.238362] [<802f86cc>] (ipu_init_sync_panel+0x314/0x1150) from
[<8021c4cc>] (mxcfb_set_par+0x4e0/0x5e8)
[ 301.247955] [<8021c4cc>] (mxcfb_set_par+0x4e0/0x5e8) from
[<8021c690>] (mxcfb_blank+0xbc/0xf8)
[ 301.256587] [<8021c690>] (mxcfb_blank+0xbc/0xf8) from [<8020c264>]
(fb_blank+0x3c/0x68)
[ 301.264612] [<8020c264>] (fb_blank+0x3c/0x68) from [<80214898>]
(fbcon_blank+0xe8/0x1f4)
[ 301.272729] [<80214898>] (fbcon_blank+0xe8/0x1f4) from [<8023be44>]
(do_unblank_screen+0xc4/0x13c)
[ 301.281712] [<8023be44>] (do_unblank_screen+0xc4/0x13c) from
[<801fef08>] (bust_spinlocks+0x20/0x44)
[ 301.290869] [<801fef08>] (bust_spinlocks+0x20/0x44) from [<8002e358>]
(die+0x240/0x304)
[ 301.298894] [<8002e358>] (die+0x240/0x304) from [<800306ac>]
(__do_kernel_fault+0x64/0x84)
[ 301.307178] [<800306ac>] (__do_kernel_fault+0x64/0x84) from
[<8003088c>] (do_page_fault+0x1c0/0x1d4)
[ 301.316332] [<8003088c>] (do_page_fault+0x1c0/0x1d4) from
[<8002a2c8>] (do_DataAbort+0x34/0x94)
[ 301.325054] [<8002a2c8>] (do_DataAbort+0x34/0x94) from [<8002aa2c>]
(__dabt_svc+0x4c/0x60)
[ 301.333329] Exception stack(0x8d3a9a88 to 0x8d3a9ad0)
[ 301.338395] 9a80: 8d3fb298 00000000 00000000
8d3a8000 8d3fb280 8d3fb298
[ 301.346592] 9aa0: 00000000 8d3fb29c 60000013 00000080 00013d08
00000012 8d3a9af8 8d3a9ad0
[ 301.354782] 9ac0: 80283e08 801fb698 00000093 ffffffff
[ 301.359855] [<8002aa2c>] (__dabt_svc+0x4c/0x60) from [<801fb698>]
(__up_write+0x40/0x188)
[ 301.368055] [<801fb698>] (__up_write+0x40/0x188) from [<80283e08>]
(leb_write_unlock+0xa0/0xf4)
[ 301.376775] [<80283e08>] (leb_write_unlock+0xa0/0xf4) from
[<802850e0>] (ubi_eba_write_leb+0x568/0x80c)
[ 301.386189] [<802850e0>] (ubi_eba_write_leb+0x568/0x80c) from
[<80282c34>] (ubi_leb_write+0x124/0x168)
[ 301.395519] [<80282c34>] (ubi_leb_write+0x124/0x168) from
[<801a4bd4>] (ubifs_leb_write+0x104/0x118)
[ 301.404674] [<801a4bd4>] (ubifs_leb_write+0x104/0x118) from
[<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8)
[ 301.414697] [<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8) from
[<80198984>] (ubifs_jnl_write_data+0x200/0x33c)
[ 301.425155] [<80198984>] (ubifs_jnl_write_data+0x200/0x33c) from
[<8019a954>] (do_writepage+0x9c/0x1e4)
[ 301.434571] [<8019a954>] (do_writepage+0x9c/0x1e4) from [<8008bd80>]
(__writepage+0x14/0x5c)
[ 301.443031] [<8008bd80>] (__writepage+0x14/0x5c) from [<8008c718>]
(write_cache_pages+0x24c/0x32c)
[ 301.452012] [<8008c718>] (write_cache_pages+0x24c/0x32c) from
[<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c)
[ 301.462296] [<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c) from
[<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
[ 301.473367] [<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
from [<800d4294>] (vfs_fsync_range+0x34/0x7c)
[ 301.483479] [<800d4294>] (vfs_fsync_range+0x34/0x7c) from
[<800d4348>] (generic_write_sync+0x6c/0x74)
[ 301.492722] [<800d4348>] (generic_write_sync+0x6c/0x74) from
[<800865c0>] (generic_file_aio_write+0xb4/0xc8)
[ 301.502570] [<800865c0>] (generic_file_aio_write+0xb4/0xc8) from
[<80199254>] (ubifs_aio_write+0x168/0x17c)
[ 301.512332] [<80199254>] (ubifs_aio_write+0x168/0x17c) from
[<800b25c0>] (do_sync_write+0xa0/0xe8)
[ 301.521311] [<800b25c0>] (do_sync_write+0xa0/0xe8) from [<800b2fc4>]
(vfs_write+0xac/0x154)
[ 301.529681] [<800b2fc4>] (vfs_write+0xac/0x154) from [<800b3118>]
(sys_write+0x3c/0x68)
[ 301.537706] [<800b3118>] (sys_write+0x3c/0x68) from [<8002af80>]
(ret_fast_syscall+0x0/0x30)
[ 301.548089] BUG: scheduling while atomic: integck/1243/0x00000004
[ 301.554197] Modules linked in:
[ 301.557323] [<8002f828>] (unwind_backtrace+0x0/0x16c) from
[<803d74e4>] (schedule+0x6c/0x324)
[ 301.565872] [<803d74e4>] (schedule+0x6c/0x324) from [<803d7f70>]
(schedule_timeout+0x1c8/0x1fc)
[ 301.574612] [<803d7f70>] (schedule_timeout+0x1c8/0x1fc) from
[<8005d758>] (msleep+0x14/0x24)
[ 301.583093] [<8005d758>] (msleep+0x14/0x24) from [<802f86cc>]
(ipu_init_sync_panel+0x314/0x1150)
[ 301.591921] [<802f86cc>] (ipu_init_sync_panel+0x314/0x1150) from
[<8021c4cc>] (mxcfb_set_par+0x4e0/0x5e8)
[ 301.601528] [<8021c4cc>] (mxcfb_set_par+0x4e0/0x5e8) from
[<8021c690>] (mxcfb_blank+0xbc/0xf8)
[ 301.610175] [<8021c690>] (mxcfb_blank+0xbc/0xf8) from [<8020c264>]
(fb_blank+0x3c/0x68)
[ 301.618213] [<8020c264>] (fb_blank+0x3c/0x68) from [<80214898>]
(fbcon_blank+0xe8/0x1f4)
[ 301.626327] [<80214898>] (fbcon_blank+0xe8/0x1f4) from [<8023be44>]
(do_unblank_screen+0xc4/0x13c)
[ 301.635324] [<8023be44>] (do_unblank_screen+0xc4/0x13c) from
[<801fef08>] (bust_spinlocks+0x20/0x44)
[ 301.644494] [<801fef08>] (bust_spinlocks+0x20/0x44) from [<8002e358>]
(die+0x240/0x304)
[ 301.652532] [<8002e358>] (die+0x240/0x304) from [<800306ac>]
(__do_kernel_fault+0x64/0x84)
[ 301.660829] [<800306ac>] (__do_kernel_fault+0x64/0x84) from
[<8003088c>] (do_page_fault+0x1c0/0x1d4)
[ 301.669995] [<8003088c>] (do_page_fault+0x1c0/0x1d4) from
[<8002a2c8>] (do_DataAbort+0x34/0x94)
[ 301.678727] [<8002a2c8>] (do_DataAbort+0x34/0x94) from [<8002aa2c>]
(__dabt_svc+0x4c/0x60)
[ 301.687015] Exception stack(0x8d3a9a88 to 0x8d3a9ad0)
[ 301.692080] 9a80: 8d3fb298 00000000 00000000
8d3a8000 8d3fb280 8d3fb298
[ 301.700289] 9aa0: 00000000 8d3fb29c 60000013 00000080 00013d08
00000012 8d3a9af8 8d3a9ad0
[ 301.708492] 9ac0: 80283e08 801fb698 00000093 ffffffff
[ 301.713567] [<8002aa2c>] (__dabt_svc+0x4c/0x60) from [<801fb698>]
(__up_write+0x40/0x188)
[ 301.721782] [<801fb698>] (__up_write+0x40/0x188) from [<80283e08>]
(leb_write_unlock+0xa0/0xf4)
[ 301.730515] [<80283e08>] (leb_write_unlock+0xa0/0xf4) from
[<802850e0>] (ubi_eba_write_leb+0x568/0x80c)
[ 301.739951] [<802850e0>] (ubi_eba_write_leb+0x568/0x80c) from
[<80282c34>] (ubi_leb_write+0x124/0x168)
[ 301.749298] [<80282c34>] (ubi_leb_write+0x124/0x168) from
[<801a4bd4>] (ubifs_leb_write+0x104/0x118)
[ 301.758469] [<801a4bd4>] (ubifs_leb_write+0x104/0x118) from
[<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8)
[ 301.768507] [<801a5308>] (ubifs_wbuf_write_nolock+0x520/0x9e8) from
[<80198984>] (ubifs_jnl_write_data+0x200/0x33c)
[ 301.778978] [<80198984>] (ubifs_jnl_write_data+0x200/0x33c) from
[<8019a954>] (do_writepage+0x9c/0x1e4)
[ 301.788408] [<8019a954>] (do_writepage+0x9c/0x1e4) from [<8008bd80>]
(__writepage+0x14/0x5c)
[ 301.796882] [<8008bd80>] (__writepage+0x14/0x5c) from [<8008c718>]
(write_cache_pages+0x24c/0x32c)
[ 301.805865] [<8008c718>] (write_cache_pages+0x24c/0x32c) from
[<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c)
[ 301.816163] [<80085dac>] (__filemap_fdatawrite_range+0x64/0x6c) from
[<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
[ 301.827251] [<80085de8>] (filemap_write_and_wait_range+0x34/0x68)
from [<800d4294>] (vfs_fsync_range+0x34/0x7c)
[ 301.837378] [<800d4294>] (vfs_fsync_range+0x34/0x7c) from
[<800d4348>] (generic_write_sync+0x6c/0x74)
[ 301.846634] [<800d4348>] (generic_write_sync+0x6c/0x74) from
[<800865c0>] (generic_file_aio_write+0xb4/0xc8)
[ 301.856485] [<800865c0>] (generic_file_aio_write+0xb4/0xc8) from
[<80199254>] (ubifs_aio_write+0x168/0x17c)
[ 301.866277] [<80199254>] (ubifs_aio_write+0x168/0x17c) from
[<800b25c0>] (do_sync_write+0xa0/0xe8)
[ 301.875273] [<800b25c0>] (do_sync_write+0xa0/0xe8) from [<800b2fc4>]
(vfs_write+0xac/0x154)
[ 301.883669] [<800b2fc4>] (vfs_write+0xac/0x154) from [<800b3118>]
(sys_write+0x3c/0x68)
[ 301.891708] [<800b3118>] (sys_write+0x3c/0x68) from [<8002af80>]
(ret_fast_syscall+0x0/0x30)
[ 301.904585] ---[ end trace 650a5c397325e07d ]---
[ 301.909255] note: integck[1243] exited with preempt_count 2
/ubitest-sync-136.sh: line 24: 1243 Segmentation fault
/tests-1.4.9/fs-tests/integrity/integck -v -e /mnt/integ-nor-ubi-136/
> We discovered a bug recently which may cause memory corruptions. I do
> not know if it is accountable for this problem or not, but it is worth
> having it. See these patches in the l2-mtd.git tree:
>
> 605c912bb843c024b1ed173dc427cd5c08e5d54d UBIFS: fix a horrid bug
> 33f1a63ae84dfd9ad298cf275b8f1887043ced36 UBIFS: prepare to fix a horrid bug
>
> --
> Best Regards,
> Artem Bityutskiy
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2013-07-09 8:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-13 23:09 UBI leb_write_unlock NULL pointer Oops Brent Taylor
2013-06-25 13:13 ` Jan Lübbe
2013-07-01 7:05 ` Artem Bityutskiy
2013-07-01 14:50 ` Brent Taylor
2013-07-09 8:23 ` enrico benetti [this message]
2013-07-09 16:08 ` enrico benetti
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51DBC864.6060505@bluewind.it \
--to=enrico.benetti@bluewind.it \
--cc=linux-mtd@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.