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Date: Tue, 20 Feb 2007 23:48:02 +0100
From: Tilman Schmidt <tilman@imap.cc>
Organization: me - organized??
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
CC: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.20-mm2: possible recursive locking detected (reiserfs-related)
References: <20070217215146.30e7ffa3.akpm@linux-foundation.org> <200702202223.54046.rjw@sisk.pl>
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Am 20.02.2007 22:23 schrieb Rafael J. Wysocki:
> Looks like reiserfs has some locking problems:
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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> [ INFO: possible recursive locking detected ]
> 2.6.20-mm2 #6
> ---------------------------------------------
> beagled/4786 is trying to acquire lock:
>  (&inode->i_mutex){--..}, at: [<ffffffff80479df9>] mutex_lock+0x19/0x20=

>=20
> but task is already holding lock:
>  (&inode->i_mutex){--..}, at: [<ffffffff80479df9>] mutex_lock+0x19/0x20=

>=20
> other info that might help us debug this:
> 3 locks held by beagled/4786:
>  #0:  (&inode->i_mutex){--..}, at: [<ffffffff80479df9>] mutex_lock+0x19=
/0x20
>  #1:  (&REISERFS_I(inode)->xattr_sem){----}, at: [<ffffffff80304c99>] r=
eiserfs_setxattr+0x79/0x150
>  #2:  (&REISERFS_SB(s)->xattr_dir_sem){----}, at: [<ffffffff80304cc0>] =
reiserfs_setxattr+0xa0/0x150

This looks like the same I have been seeing in every release
since 2.6.18. I reported it a couple of times, and Srinivasa Ds
tried a few fixes on me during 2.6.19-rc4, but we never got to
the bottom of it.

--=20
Tilman Schmidt                          E-Mail: tilman@imap.cc
Bonn, Germany
Diese Nachricht besteht zu 100% aus wiederverwerteten Bits.
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