http://oss.sgi.com/bugzilla/show_bug.cgi?id=727
ejwtk06@xxxxxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|kernel 2.6.18.2: possible |kernel 2.6.18.2: possible
|recursive locking detected |recursive locking detected
------- Additional Comments From ejwtk06@xxxxxxxxx 2007-01-07 13:56 CST -------
Potential recursive locking is still reported for latest stable kernel.
=============================================
[ INFO: possible recursive locking detected ]
2.6.19.1 #1
---------------------------------------------
dpkg/2607 is trying to acquire lock:
(&(&ip->i_lock)->mr_lock){----}, at: [<ffffffff8032fb1a>] xfs_ilock+0x56/0x7a
but task is already holding lock:
(&(&ip->i_lock)->mr_lock){----}, at: [<ffffffff8032fb1a>] xfs_ilock+0x56/0x7a
other info that might help us debug this:
3 locks held by dpkg/2607:
#0: (&inode->i_mutex/1){--..}, at: [<ffffffff80239fdc>] do_unlinkat+0x80/0x14
#1: (&inode->i_mutex){--..}, at: [<ffffffff8025fe23>] mutex_lock+0x23/0x27
#2: (&(&ip->i_lock)->mr_lock){----}, at: [<ffffffff8032fb1a>] xfs_ilock+0x56/
stack backtrace:
Call Trace:
[<ffffffff802927c1>] __lock_acquire+0x37f/0xb0c
[<ffffffff8032fb1a>] xfs_ilock+0x56/0x7a
[<ffffffff8029343f>] lock_acquire+0x7c/0xa0
[<ffffffff8032fb1a>] xfs_ilock+0x56/0x7a
[<ffffffff8028f0e9>] down_write+0x33/0x3f
[<ffffffff8032fb1a>] xfs_ilock+0x56/0x7a
[<ffffffff8034ac13>] xfs_lock_dir_and_entry+0x8b/0xc6
[<ffffffff8034ae58>] xfs_remove+0x20a/0x429
[<ffffffff80292ef6>] __lock_acquire+0xab4/0xb0c
[<ffffffff80354f21>] xfs_vn_unlink+0x26/0x60
[<ffffffff8025fdcf>] __mutex_lock_slowpath+0x245/0x276
[<ffffffff802379cd>] debug_mutex_free_waiter+0x50/0x55
[<ffffffff8025fdf3>] __mutex_lock_slowpath+0x269/0x276
[<ffffffff802479f7>] vfs_unlink+0xcd/0xfd
[<ffffffff8023a027>] do_unlinkat+0xcb/0x144
[<ffffffff80261212>] trace_hardirqs_on_thunk+0x35/0x37
[<ffffffff80291f70>] trace_hardirqs_on+0xfd/0x127
[<ffffffff80261212>] trace_hardirqs_on_thunk+0x35/0x37
[<ffffffff802b84d0>] sys_unlink+0x11/0x13
[<ffffffff8025b01e>] system_call+0x7e/0x83
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