I try 2.6.17-rc5-mm2:
====================================
[ BUG: possible deadlock detected! ]
------------------------------------
mount/5587 is trying to acquire lock:
(&jfs_ip->commit_mutex){--..}, at: [<c02f7096>] mutex_lock+0x12/0x15
but task is already holding lock:
(&jfs_ip->commit_mutex){--..}, at: [<c02f7096>] mutex_lock+0x12/0x15
which could potentially lead to deadlocks!
other info that might help us debug this:
2 locks held by mount/5587:
#0: (&inode->i_mutex){--..}, at: [<c02f7096>] mutex_lock+0x12/0x15
#1: (&jfs_ip->commit_mutex){--..}, at: [<c02f7096>] mutex_lock+0x12/0x15
stack backtrace:
[<c0103095>] show_trace+0x16/0x19
[<c0103562>] dump_stack+0x1a/0x1f
[<c012ddd7>] __lockdep_acquire+0x6c6/0x907
[<c012e063>] lockdep_acquire+0x4b/0x63
[<c02f6f0c>] __mutex_lock_slowpath+0xa4/0x21c
[<c02f7096>] mutex_lock+0x12/0x15
[<c01b99be>] jfs_create+0x90/0x2b8
[<c0161016>] vfs_create+0x91/0xda
[<c0163939>] open_namei+0x15a/0x5b0
[<c015326c>] do_filp_open+0x22/0x39
[<c01541a8>] do_sys_open+0x40/0xbc
[<c015424d>] sys_open+0x13/0x15
[<c02f875d>] sysenter_past_esp+0x56/0x8d
--
/Evgeniy
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