Re: Kernel oops in jffs2 mount - any ideas?

[Robin Gilks <robin.gilks@tait.co.nz>]

Joakim Tjernlund wrote:
> Robin Gilks wrote:
>> Artem Bityutskiy wrote:
>>
>>   
>>> So the crash is somewhere in the CFI code. You should try to dig it and
>>> realize why it oopses.
>>>     
>> Pretty much at the same point except now its the garbage collector 
>> crashing and leaving a lock on an inode so the kernel stalls.
>>
>> No clues as to what is going on though :-(
>>
>>
>> HELP!
>>
>>   
> You should apply the bug fix I sent the other day(Re: cfi_cmd0001.c
> broken w.r.t Erase Suspend solved, patch included).
> This closes nasty bug that I think should be applied to linus tree ASAP.
> 
>  Jocke

The plot thickens - I'm now getting the following crash at boot about 
60% of the time (the other 40% is as previously reported) - still not 
had a single successful boot!!).

[   14.528955] Oops: kernel access of bad area, sig: 11 [#1]
[   14.539250] NIP: C00B3494 LR: C00B9684 CTR: 00000000
[   14.549111] REGS: c0327a70 TRAP: 0300   Not tainted  (2.6.18-buildroot)
[   14.562213] MSR: 00009032 <EE,ME,IR,DR>  CR: 22002022  XER: 2000005F
[   14.574838] DAR: FF8010EB, DSISR: C0000000
[   14.582968] TASK = c0324b40[1] 'swapper' THREAD: c0326000
[   14.593316] GPR00: C00BA60C C0327B20 C0324B40 FF800FFF 00000139 
D81A5184 C0230000 00000000
[   14.609904] GPR08: C01AD0F0 000002A0 84511AD8 DA2B0DD8 82002022 
00000000 03FF9000 C01C0000
[   14.626494] GPR16: C3C9FF50 00000000 00000000 00000000 C3CA4395 
0000000A 000F3FD0 0000000F
[   14.643082] GPR24: 000F0000 00010000 C5183FD0 00000139 C5180000 
00000139 C3C01C00 000F3FD0
[   14.660018] NIP [C00B3494] jffs2_get_ino_cache+0x0/0x4c
[   14.670388] LR [C00B9684] jffs2_scan_make_ino_cache+0x1c/0xa8
[   14.681787] Call Trace:
[   14.686639] [C0327B20] [00010000] 0x10000 (unreliable)
[   14.696835] [C0327B40] [C00BA60C] jffs2_scan_medium+0xefc/0xfe4
[   14.708587] [C0327BC0] [C00BCA7C] jffs2_do_mount_fs+0x180/0x8ec
[   14.720337] [C0327BF0] [C00BEF0C] jffs2_do_fill_super+0xbc/0x244
[   14.732260] [C0327C10] [C00BF718] jffs2_get_sb_mtd+0xfc/0x19c
[   14.743665] [C0327C50] [C00BF9C4] jffs2_get_sb+0x180/0x228
[   14.754551] [C0327CE0] [C005A42C] vfs_kern_mount+0x5c/0xbc
[   14.765438] [C0327D00] [C005A4C8] do_kern_mount+0x3c/0x60
[   14.776151] [C0327D30] [C0072374] do_mount+0x394/0x680
[   14.786346] [C0327EB0] [C00729F8] sys_mount+0x98/0xe8
[   14.796369] [C0327EF0] [C021E864] do_mount_root+0x2c/0xc4
[   14.807082] [C0327F10] [C021E9C0] mount_block_root+0xc4/0x248
[   14.818487] [C0327F60] [C021EE3C] prepare_namespace+0xb8/0x190
[   14.830065] [C0327F80] [C0002494] init+0x254/0x2e4
[   14.839568] [C0327FF0] [C000514C] kernel_thread+0x44/0x60
[   14.850268] Instruction dump:
[   14.856145] 9421fff0 386300e4 38c00000 90010014 b0a4000a 38800003 
38a00001 4bf5b661
[   14.871523] 80010014 38210010 7c0803a6 4e800020 <816300ec> 548915fa 
7c69582e 2f030000
[   14.888894] Kernel panic - not syncing: Attempted to kill init!
[   14.900725]  <0>Rebooting in 1 seconds..



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