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SubjectRe: Reiserfs 3.6 + quota enabled, crash on delete (or maybe truncate)
Hello

Guillaume Pelat wrote:
> Hi,
>
> >> I'm having a crash with reiserfs 3.6 + user quota enabled, on
> >> 2.6.11.10 kernel (no smp), apparently when deleting files (or maybe
> >> during a runcate operation). The problem seems to happen under high
> >> load.
> >> When the error occurs, all the processes accessing the reiserfs
> >> partition seems to hang. This problem happened several times on
> >> different servers (having the same hardware configuration) during
> >> last weeks.
>
> > The attached patch should help to get rid of clm-2100 and to avoid
> > crash.
> > Also, I think you should reiserfsck sda3.
>
> Thanks for your answer. I tried the patch attached to your mail, but it
> seems that it doesnt solve my problem :)
> The error also occured after i did a reiserfsck on sda3, I also tested
> 2.6.13-rc4 with your patch applied, without success (the error also
> occured on serveral servers having the same hardware configuration).
>

Would you, please, try to reproduce the problem having reiserfs check mode on.
(it is File systems->Reiserfs support->Enable reiserfs debug mode in kernel configuration)
and with attached patch.

> Here are the error logs:
>

Was there anything about reiserfs in the logs before this dump?

> ------------[ cut here ]------------
> kernel BUG at fs/reiserfs/prints.c:362!
> invalid operand: 0000 [#1]
> CPU: 0
> EIP: 0060:[<c019ae2f>] Not tainted VLI
> EFLAGS: 00010296 (2.6.13-rc4-endy)
> EIP is at reiserfs_panic+0x4f/0x80
> eax: 00000053 ebx: c02b8fde ecx: 00000000 edx: c02dfdac
> esi: 00000000 edi: 00000140 ebp: e75b383c esp: e75b3824
> ds: 007b es: 007b ss: 0068
> Process pure-ftpd (pid: 12771, threadinfo=e75b2000 task=f091d530)
> Stack: c02bd610 c02b8fde c03acdc0 00000fa0 c0971154 00000002 e75b3864
> c01ac75f
> 00000000 c02bf89c 00000fa0 00000002 00020000 00000000 c097101c
> 00000000
> e75b38b8 c01939d3 c097101c 00000fd0 00000000 00000000 00000000
> 00000000
> Call Trace:
> [<c0102e5f>] show_stack+0x7f/0xa0
> [<c0103002>] show_registers+0x152/0x1c0
> [<c01031f8>] die+0xc8/0x140
> [<c0103325>] do_trap+0xb5/0xc0
> [<c010366c>] do_invalid_op+0xbc/0xd0
> [<c0102aa3>] error_code+0x4f/0x54
> [<c01ac75f>] direntry_check_left+0x8f/0x90
> [<c01939d3>] get_num_ver+0x303/0x350
> [<c01949ac>] ip_check_balance+0x3dc/0xbc0
> [<c0195948>] check_balance+0x58/0x70
> [<c019623b>] fix_nodes+0x15b/0x420
> [<c01a2daf>] reiserfs_cut_from_item+0x10f/0x570
fs/reiserfs/prints.c | 3 ---
1 files changed, 3 deletions(-)

diff -puN fs/reiserfs/prints.c~reiserfs-panic-fix fs/reiserfs/prints.c
--- linux-2.6.13-rc4-mm1/fs/reiserfs/prints.c~reiserfs-panic-fix 2005-08-05 13:36:09.947391212 +0400
+++ linux-2.6.13-rc4-mm1-vs/fs/reiserfs/prints.c 2005-08-05 13:36:23.346671407 +0400
@@ -359,9 +359,6 @@ void reiserfs_panic(struct super_block *
do_reiserfs_warning(fmt);
printk(KERN_EMERG "REISERFS: panic (device %s): %s\n",
reiserfs_bdevname(sb), error_buf);
- BUG();
-
- /* this is not actually called, but makes reiserfs_panic() "noreturn" */
panic("REISERFS: panic (device %s): %s\n",
reiserfs_bdevname(sb), error_buf);
}
_
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