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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 27652] 38-rc1: umount+rmmod cause ext4 error.
Date: Sun, 30 Jan 2011 02:36:59 GMT	[thread overview]
Message-ID: <201101300236.p0U2axF2024055@demeter2.kernel.org> (raw)
In-Reply-To: <bug-27652-13602@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=27652





--- Comment #8 from Tao Ma <tm@tao.ma>  2011-01-30 02:36:58 ---
(In reply to comment #7)
> Patch: https://bugzilla.kernel.org/show_bug.cgi?id=27652#c6 
> 
> Tao Ma, does this work for you too?

Hi sorry for the delay.
So the patch works for the kernel panic.
Reported-and-Tested-by: Tao Ma <boyu.mt@taobao.com>

As for the original bug, it doesn't help. I can still get the error message.

slab error in kmem_cache_destroy(): cache `ext4_inode_cache': Can't free all
objects
Pid: 4674, comm: rmmod Not tainted 2.6.38-rc2+ #1
Call Trace:
 [<ffffffff820d61ac>] ? kmem_cache_destroy+0x83/0xc7
 [<ffffffffa03a9000>] ? destroy_inodecache+0x15/0x17 [ext4]
 [<ffffffffa03c7264>] ? ext4_exit_fs+0x30/0x60 [ext4]
 [<ffffffff82067bce>] ? sys_delete_module+0x1b5/0x218
 [<ffffffff8207506f>] ? audit_syscall_entry+0x187/0x1ba
 [<ffffffff82002a6b>] ? system_call_fastpath+0x16/0x1b
SLAB: cache with size 888 has lost its name

And as I pointed in the original mail, I have done some basic investigation and
it looks as if it is introduced by Nick's new ext4_i_callback.

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  parent reply	other threads:[~2011-01-30  2:37 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-26 20:27 [Bug 27652] New: 38-rc1: umount+rmmod cause ext4 error bugzilla-daemon
2011-01-26 20:28 ` [Bug 27652] " bugzilla-daemon
2011-01-26 20:41 ` bugzilla-daemon
2011-01-28  6:01 ` bugzilla-daemon
2011-01-28 17:15 ` bugzilla-daemon
2011-01-28 17:32 ` bugzilla-daemon
2011-01-28 22:07 ` bugzilla-daemon
2011-01-29 12:03 ` bugzilla-daemon
2011-01-30  2:36 ` bugzilla-daemon [this message]
2011-01-30  2:41 ` bugzilla-daemon
2011-01-30 19:47 ` bugzilla-daemon
2011-01-30 21:07 ` bugzilla-daemon
2011-01-31 16:08 ` bugzilla-daemon
2011-01-31 17:55 ` bugzilla-daemon
2011-01-31 17:57 ` bugzilla-daemon
2011-02-09  2:01 ` bugzilla-daemon
2011-02-09  4:50 ` bugzilla-daemon
2011-02-09  9:42 ` bugzilla-daemon
2011-02-12 22:39 ` bugzilla-daemon
2011-02-02 23:02 2.6.38-rc3-git1: Reported regressions from 2.6.37 Rafael J. Wysocki
2011-02-02 23:31 ` [Bug #27652] 38-rc1: umount+rmmod cause ext4 error Rafael J. Wysocki
2011-02-02 23:31   ` Rafael J. Wysocki

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