linux-kernel - Re: BUG: warning at fs/inotify.c:181 with linux-2.6.18

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Message-ID: <4531210B.9050205@syphir.sytes.net>
Date:	Sat, 14 Oct 2006 10:40:27 -0700
From:	"C.Y.M" <syphir@...hir.sytes.net>
To:	Nick Piggin <nickpiggin@...oo.com.au>, linux-kernel@...r.kernel.org
Subject: Re: BUG: warning at fs/inotify.c:181 with linux-2.6.18

C.Y.M wrote:
> Nick Piggin wrote:
>> C.Y.M wrote:
>>> Since I updated to 2.6.18, I have had the following warnings in my
>>> syslog.  Is
>>> this a known problem? Better yet, is there a solution to this?  I am
>>> running on
>>> a i686 (Athlon XP) 32 bit cpu compiled under gcc-3.4.6.
>>>
>>>
>>> Oct  5 08:27:31 sid kernel: BUG: warning at
>>> fs/inotify.c:181/set_dentry_child_flags()
>>> Oct  5 08:27:31 sid kernel:  [<c0182a10>]
>>> set_dentry_child_flags+0x170/0x190
>>> Oct  5 08:27:31 sid kernel:  [<c0182adf>] remove_watch_no_event+0x5f/0x70
>>> Oct  5 08:27:31 sid kernel:  [<c0182b08>]
>>> inotify_remove_watch_locked+0x18/0x50
>>> Oct  5 08:27:31 sid kernel:  [<c01833dc>] inotify_rm_wd+0x6c/0xb0
>>> Oct  5 08:27:31 sid kernel:  [<c0183e98>] sys_inotify_rm_watch+0x38/0x60
>>> Oct  5 08:27:31 sid kernel:  [<c0102d8f>] syscall_call+0x7/0xb
>> I don't think it is a known problem. Is it reproduceable? Any idea what
>> is making the inotify syscalls?
>>
> 
> The warning messages start about an hour or two after I boot into the 2.6.18
> kernel.  I am not doing anything on the machine when it happens.  I don't see
> any new processes starting up at that time either.  As soon as I boot back to
> 2.6.17.13, there are no more problems.  Also, the machine is not running X when
> it occurs.
> 
> root@sid:~$ grep BUG /var/log/syslog
> Oct  5 08:27:31 sid kernel: BUG: warning at
> fs/inotify.c:181/set_dentry_child_flags()
> Oct  5 11:46:36 sid kernel: BUG: warning at
> fs/inotify.c:181/set_dentry_child_flags()
> Oct  5 13:24:50 sid kernel: BUG: warning at
> fs/inotify.c:181/set_dentry_child_flags()
> Oct  5 15:17:55 sid kernel: BUG: warning at
> fs/inotify.c:181/set_dentry_child_flags()
> Oct  5 16:40:10 sid kernel: BUG: warning at
> fs/inotify.c:181/set_dentry_child_flags()
> 

This bug just happened again with 2.6.18.1.  Has anyone else noticed this in
their logs?  I would really like to make that error go away. Any Ideas?  I do
not see anything that would cause this to happen.

Best Regards.
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