http://bugzilla.kernel.org/show_bug.cgi?id=7287
------- Additional Comments From evil@xxxxxxxxxx 2007-04-05 06:41 -------
still there with 2.6.21-rc5, full dmesg & details here:
http://nerdbynature.de/bits/2.6.21-rc5/
[93422.248250]
[93422.248254] =============================================
[93422.248268] [ INFO: possible recursive locking detected ]
[93422.248273] 2.6.21-rc5 #2
[93422.248276] ---------------------------------------------
[93422.248280] rm/32198 is trying to acquire lock:
[93422.248284] (&(&ip->i_lock)->mr_lock){----}, at: [<c0246a31>]
xfs_ilock+0x71/0xa0
[93422.248299]
[93422.248300] but task is already holding lock:
[93422.248304] (&(&ip->i_lock)->mr_lock){----}, at: [<c0246a31>]
xfs_ilock+0x71/0xa0
[93422.248314]
[93422.248314] other info that might help us debug this:
[93422.248320] 3 locks held by rm/32198:
[93422.248323] #0: (&inode->i_mutex/1){--..}, at: [<c0167026>]
do_unlinkat+0x96/0x160
[93422.248334] #1: (&inode->i_mutex){--..}, at: [<c0165305>]
vfs_unlink+0x75/0xe0
[93422.248346] #2: (&(&ip->i_lock)->mr_lock){----}, at: [<c0246a31>]
xfs_ilock+0x71/0xa0
[93422.248356]
[93422.248357] stack backtrace:
[93422.248362] [<c0134b19>] __lock_acquire+0xa99/0x1010
[93422.248373] [<c01350e7>] lock_acquire+0x57/0x70
[93422.248379] [<c0246a31>] xfs_ilock+0x71/0xa0
[93422.248385] [<c012e478>] down_write+0x38/0x50
[93422.248393] [<c0246a31>] xfs_ilock+0x71/0xa0
[93422.248399] [<c0246a31>] xfs_ilock+0x71/0xa0
[93422.248405] [<c026bdb6>] xfs_lock_dir_and_entry+0xf6/0x100
[93422.248413] [<c026c437>] xfs_remove+0x197/0x4e0
[93422.248419] [<c016db79>] d_instantiate+0x19/0x40
[93422.248426] [<c016d9e0>] d_rehash+0x20/0x50
[93422.248434] [<c0165305>] vfs_unlink+0x75/0xe0
[93422.248442] [<c0273e93>] xfs_vn_unlink+0x23/0x60
[93422.248449] [<c03ccbaf>] __mutex_lock_slowpath+0x13f/0x280
[93422.248459] [<c01339bb>] mark_held_locks+0x6b/0x90
[93422.248464] [<c03ccbaf>] __mutex_lock_slowpath+0x13f/0x280
[93422.248471] [<c03ccbaf>] __mutex_lock_slowpath+0x13f/0x280
[93422.248478] [<c0133b49>] trace_hardirqs_on+0xb9/0x160
[93422.248484] [<c0165305>] vfs_unlink+0x75/0xe0
[93422.248491] [<c03ccba2>] __mutex_lock_slowpath+0x132/0x280
[93422.248498] [<c0165305>] vfs_unlink+0x75/0xe0
[93422.248504] [<c01648e1>] permission+0x91/0xf0
[93422.248512] [<c0165319>] vfs_unlink+0x89/0xe0
[93422.248518] [<c0167062>] do_unlinkat+0xd2/0x160
[93422.248526] [<c0102894>] sysenter_past_esp+0x8d/0x99
[93422.248533] [<c0133b49>] trace_hardirqs_on+0xb9/0x160
[93422.248541] [<c0102864>] sysenter_past_esp+0x5d/0x99
[93422.248550] =======================
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