On Wed, 25 Jul 2007 18:32:58 +0200
Michal Piotrowski <[email protected]> wrote:
> Andrew Morton pisze:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc1/2.6.23-rc1-mm1/
> >
>
> nokturn vs. reiserfs 1:0
>
> [ 1228.964379] =============================================
> [ 1228.971271] [ INFO: possible recursive locking detected ]
> [ 1228.976674] 2.6.23-rc1-mm1 #1
> [ 1228.979655] ---------------------------------------------
> [ 1228.985064] chcon/21470 is trying to acquire lock:
> [ 1228.989858] (&inode->i_mutex){--..}, at: [<c06993ea>] mutex_lock+0x1c/0x1f
> [ 1228.996968]
> [ 1228.996972] but task is already holding lock:
> [ 1229.002834] (&inode->i_mutex){--..}, at: [<c06993ea>] mutex_lock+0x1c/0x1f
> [ 1229.009958]
> [ 1229.009962] other info that might help us debug this:
> [ 1229.016510] 3 locks held by chcon/21470:
> [ 1229.020434] #0: (&inode->i_mutex){--..}, at: [<c06993ea>] mutex_lock+0x1c/0x1f
> [ 1229.027971] #1: (&REISERFS_I(inode)->xattr_sem){----}, at: [<fdd59d36>] reiserfs_setxattr+0x54/0xf2 [reiserfs]
> [ 1229.038282] #2: (&REISERFS_SB(s)->xattr_dir_sem){----}, at: [<fdd59d55>] reiserfs_setxattr+0x73/0xf2 [reiserfs]
> [ 1229.048682]
> [ 1229.048687] stack backtrace:
> [ 1229.053070] [<c04053eb>] show_trace_log_lvl+0x1a/0x30
> [ 1229.058254] [<c0406073>] show_trace+0x12/0x14
> [ 1229.062734] [<c04061a8>] dump_stack+0x16/0x18
> [ 1229.067222] [<c044c887>] __lock_acquire+0xe19/0x125c
> [ 1229.072309] [<c044cd71>] lock_acquire+0xa7/0xc1
> [ 1229.076967] [<c069908e>] __mutex_lock_slowpath+0x9b/0x3db
> [ 1229.082493] [<c06993ea>] mutex_lock+0x1c/0x1f
> [ 1229.086972] [<fdd5a2d1>] reiserfs_xattr_set+0x14c/0x2db [reiserfs]
> [ 1229.093281] [<fdd5a7e2>] security_set+0x4d/0x51 [reiserfs]
> [ 1229.098898] [<fdd59d6d>] reiserfs_setxattr+0x8b/0xf2 [reiserfs]
> [ 1229.104950] [<c04aee43>] vfs_setxattr+0x8a/0x199
> [ 1229.109696] [<c04aefcf>] setxattr+0x7d/0x109
> [ 1229.114087] [<c04af0ec>] sys_setxattr+0x41/0x53
> [ 1229.118737] [<c04043ba>] syscall_call+0x7/0xb
> [ 1229.123215] =======================
> [ 1229.249502] chcon used greatest stack depth: 1080 bytes left
>
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.23-rc1-mm1/console.log
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.23-rc1-mm1/mm-config
>
The usual two-unrelated-i_mutexes-taken problem. Usually solved by adding
lockdep annotation to say "this is OK".
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