I was reading mail.
Regards
Oliver
Jan 20 15:43:40 vanamonde kernel: =======================================================
Jan 20 15:43:40 vanamonde kernel: [ INFO: possible circular locking dependency detected ]
Jan 20 15:43:40 vanamonde kernel: 2.6.29-rc1-9-default #12
Jan 20 15:43:40 vanamonde kernel: -------------------------------------------------------
Jan 20 15:43:40 vanamonde kernel: kmail/6568 is trying to acquire lock:
Jan 20 15:43:40 vanamonde kernel: (&type->i_mutex_dir_key#5){--..}, at: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:40 vanamonde kernel:
Jan 20 15:43:40 vanamonde kernel: but task is already holding lock:
Jan 20 15:43:40 vanamonde kernel: (&REISERFS_SB(s)->xattr_dir_sem){----}, at: [<ffffffffa02896f1>] reiserfs_delete_xattrs+0xf8/0x15d [reiserfs]
Jan 20 15:43:40 vanamonde kernel:
Jan 20 15:43:40 vanamonde kernel: which lock already depends on the new lock.
Jan 20 15:43:40 vanamonde kernel:
Jan 20 15:43:40 vanamonde kernel:
Jan 20 15:43:40 vanamonde kernel: the existing dependency chain (in reverse order) is:
Jan 20 15:43:40 vanamonde kernel:
Jan 20 15:43:40 vanamonde kernel: -> #2 (&REISERFS_SB(s)->xattr_dir_sem){----}:
Jan 20 15:43:40 vanamonde kernel: [<ffffffff802563b9>] add_lock_to_list+0x70/0xaf
Jan 20 15:43:40 vanamonde kernel: [<ffffffff80259638>] __lock_acquire+0x120d/0x1570
Jan 20 15:43:40 vanamonde kernel: [<ffffffffa028860e>] reiserfs_check_acl+0x37/0xb4 [reiserfs]
Jan 20 15:43:40 vanamonde kernel: [<ffffffff802599ed>] lock_acquire+0x52/0x6c
Jan 20 15:43:40 vanamonde kernel: [<ffffffffa028860e>] reiserfs_check_acl+0x37/0xb4 [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a1ae7>] down_read+0x3d/0x4a
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028860e>] reiserfs_check_acl+0x37/0xb4 [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028860e>] reiserfs_check_acl+0x37/0xb4 [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b4083>] generic_permission+0x4f/0xef
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b4189>] inode_permission+0x66/0x92
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b5f58>] __link_path_walk+0x130/0xdc0
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b6dda>] path_walk+0x66/0xc9
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b7059>] do_path_lookup+0x184/0x1db
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b7156>] path_lookup_open+0x56/0x92
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b7c24>] do_filp_open+0x9f/0x84d
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802a8935>] cache_alloc_refill+0x1a1/0x204
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a2b8e>] _spin_unlock+0x17/0x20
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802c05de>] alloc_fd+0x112/0x123
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802ab776>] do_sys_open+0x48/0xc5
Jan 20 15:43:41 vanamonde kernel: [<ffffffff8020bf5b>] system_call_fastpath+0x16/0x1b
Jan 20 15:43:41 vanamonde kernel: [<ffffffffffffffff>] 0xffffffffffffffff
Jan 20 15:43:41 vanamonde kernel:
Jan 20 15:43:41 vanamonde kernel: -> #1 (&REISERFS_I(inode)->xattr_sem){----}:
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802563b9>] add_lock_to_list+0x70/0xaf
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80259638>] __lock_acquire+0x120d/0x1570
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80255d85>] static_obj+0x64/0x82
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028ad02>] reiserfs_cache_default_acl+0x38/0xbc [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802599ed>] lock_acquire+0x52/0x6c
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028ad02>] reiserfs_cache_default_acl+0x38/0xbc [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a1ae7>] down_read+0x3d/0x4a
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028ad02>] reiserfs_cache_default_acl+0x38/0xbc [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a2b8e>] _spin_unlock+0x17/0x20
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa028ad02>] reiserfs_cache_default_acl+0x38/0xbc [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa026cf13>] reiserfs_create+0x7a/0x219 [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802c149c>] mnt_want_write+0x25/0x85
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b5b1e>] vfs_create+0xdc/0x151
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b7dba>] do_filp_open+0x235/0x84d
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a2b8e>] _spin_unlock+0x17/0x20
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802c05de>] alloc_fd+0x112/0x123
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802ab776>] do_sys_open+0x48/0xc5
Jan 20 15:43:41 vanamonde kernel: [<ffffffff8020bf5b>] system_call_fastpath+0x16/0x1b
Jan 20 15:43:41 vanamonde kernel: [<ffffffffffffffff>] 0xffffffffffffffff
Jan 20 15:43:41 vanamonde kernel:
Jan 20 15:43:41 vanamonde kernel: -> #0 (&type->i_mutex_dir_key#5){--..}:
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80259310>] __lock_acquire+0xee5/0x1570
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802599ed>] lock_acquire+0x52/0x6c
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a109f>] mutex_lock_nested+0x10b/0x296
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa02896fd>] reiserfs_delete_xattrs+0x104/0x15d [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa02721b6>] reiserfs_delete_inode+0x6a/0x11c [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa027214c>] reiserfs_delete_inode+0x0/0x11c [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802befed>] generic_delete_inode+0xc7/0x15b
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b74cb>] do_unlinkat+0xe7/0x139
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80257b5a>] trace_hardirqs_on_caller+0x115/0x138
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a27a4>] trace_hardirqs_on_thunk+0x3a/0x3f
Jan 20 15:43:41 vanamonde kernel: [<ffffffff8020bf5b>] system_call_fastpath+0x16/0x1b
Jan 20 15:43:41 vanamonde kernel: [<ffffffffffffffff>] 0xffffffffffffffff
Jan 20 15:43:41 vanamonde kernel:
Jan 20 15:43:41 vanamonde kernel: other info that might help us debug this:
Jan 20 15:43:41 vanamonde kernel:
Jan 20 15:43:41 vanamonde kernel: 1 lock held by kmail/6568:
Jan 20 15:43:41 vanamonde kernel: #0: (&REISERFS_SB(s)->xattr_dir_sem){----}, at: [<ffffffffa02896f1>] reiserfs_delete_xattrs+0xf8/0x15d [reiserfs]
Jan 20 15:43:41 vanamonde kernel:
Jan 20 15:43:41 vanamonde kernel: stack backtrace:
Jan 20 15:43:41 vanamonde kernel: Pid: 6568, comm: kmail Not tainted 2.6.29-rc1-9-default #12
Jan 20 15:43:41 vanamonde kernel: Call Trace:
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80258056>] print_circular_bug_tail+0xbe/0xc7
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80259310>] __lock_acquire+0xee5/0x1570
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802599ed>] lock_acquire+0x52/0x6c
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a109f>] mutex_lock_nested+0x10b/0x296
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b54d2>] vfs_rmdir+0x8c/0x108
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa02896fd>] reiserfs_delete_xattrs+0x104/0x15d [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa02721b6>] reiserfs_delete_inode+0x6a/0x11c [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffffa027214c>] reiserfs_delete_inode+0x0/0x11c [reiserfs]
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802befed>] generic_delete_inode+0xc7/0x15b
Jan 20 15:43:41 vanamonde kernel: [<ffffffff802b74cb>] do_unlinkat+0xe7/0x139
Jan 20 15:43:41 vanamonde kernel: [<ffffffff80257b5a>] trace_hardirqs_on_caller+0x115/0x138
Jan 20 15:43:41 vanamonde kernel: [<ffffffff804a27a4>] trace_hardirqs_on_thunk+0x3a/0x3f
Jan 20 15:43:41 vanamonde kernel: [<ffffffff8020bf5b>] system_call_fastpath+0x16/0x1b
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