2.6.17-912b2539e1e062cec73e2e61448e507f7719bd08
While trying to remove 2 small files, 2 empty dirs and 1 empty dir on
xfs partition
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[ INFO: possible recursive locking detected ]
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rm/7596 is trying to acquire lock:
(&(&ip->i_lock)->mr_lock){----}, at: [<c01d3d0d>] xfs_ilock+0x4d/0x6e
but task is already holding lock:
(&(&ip->i_lock)->mr_lock){----}, at: [<c01d3d0d>] xfs_ilock+0x4d/0x6e
other info that might help us debug this:
3 locks held by rm/7596:
#0: (&inode->i_mutex/1){--..}, at: [<c0155ff9>] do_rmdir+0x6c/0xc3
#1: (&inode->i_mutex){--..}, at: [<c02b21a0>] mutex_lock+0x8/0xa
#2: (&(&ip->i_lock)->mr_lock){----}, at: [<c01d3d0d>] xfs_ilock+0x4d/0x6e
stack backtrace:
[<c0102b4c>] show_trace+0xd/0xf
[<c0102c1e>] dump_stack+0x17/0x19
[<c012558c>] print_deadlock_bug+0x94/0x9e
[<c01255d4>] check_deadlock+0x3e/0x52
[<c0126e34>] __lock_acquire+0x747/0x7ea
[<c012746f>] lock_acquire+0x5e/0x7e
[<c01241b8>] down_write+0x19/0x33
[<c01d3d0d>] xfs_ilock+0x4d/0x6e
[<c01eefae>] xfs_lock_dir_and_entry+0x8e/0xc8
[<c01efeb5>] xfs_rmdir+0x1ce/0x3c9
[<c01f8a45>] xfs_vn_rmdir+0x1c/0x44
[<c0155f57>] vfs_rmdir+0x5c/0x92
[<c0156019>] do_rmdir+0x8c/0xc3
[<c0156060>] sys_rmdir+0x10/0x12
[<c0102677>] syscall_call+0x7/0xb
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