On Tue, Oct 14, 2008 at 11:40:16PM +0900, [EMAIL PROTECTED] wrote: > Louis Rilling: > > > The message about the possible recursive locking is due to my recent > > > reducing lockdep_off/on work. I guess it will be fixed by reverting them > > > (but narrowing down its region). > > > > Surely a good thing to do. > > Here is a patch for the lockdep warning. > Will you test it and let me know the result? > Of course, you may meet the deadlock again because this patch is > unrelated to the deadlock. > > To investigate your deadlock, I'd like to ask you to enable > both of CONFIG_AUFS_DEBUG_LOCK and CONFIG_MAGIC_SYSRQ, and press > MagicSysRq + A after the deadlock happend.
Here is the result:
[ 414.107499] SysRq : Aufs
[ 414.107499] si=13d6e7089bcbc456
[ 414.107499] aufs: superblock
[ 414.107499] s-1: {perm 0x0, cnt 0, wbr 0000000000000000}, aufs, dev 0x0015,
flags 0x40000c00, cnt(BIAS) 0, active 2, xino 0
[ 414.107499] dev 0x15
[ 414.107499] gen 0
[ 414.107499] s0: {perm 0x0, cnt 0, wbr ffff81007b4a3480}, ext2, dev 0x010e,
flags 0x40000000, cnt(BIAS) 0, active 1, xino 1
[ 414.107499] s1: {perm 0x1, cnt 0, wbr 0000000000000000}, ext3, dev 0x080a,
flags 0x40000000, cnt(BIAS) 0, active 22, xino 1
[ 414.107499] aufs: root dentry
[ 414.107499] d-1: /?//, aufs, cnt 31, flags 0x10, intent 0
[ 414.107499] i-1: i2, aufs, cnt 1, nl 29, 040755, ntfy 0, sz 1024, blk 2, ct
44032, np 0, st 0x0, f 0x0, g 0
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?//, ext2, cnt 60, flags 0x10, intent 0
[ 414.107499] i0: i2, ext2, cnt 3, nl 9, 040755, ntfy 1, sz 1024, blk 2, ct
44032, np 1, st 0x0, f 0x0, g 0
[ 414.107499] d1: /?/.nfsroot64-base, ext3, cnt 25, flags 0x0, intent 0
[ 414.107499] i1: i667809, ext3, cnt 3, nl 22, 040755, ntfy 1, sz 4096, blk 8,
ct 23040, np 0, st 0x0, f 0x0, g 8f3e6903
[ 414.107499] aufs: root inode
[ 414.107499] i-1: i2, aufs, cnt 1, nl 29, 040755, ntfy 0, sz 1024, blk 2, ct
44032, np 0, st 0x0, f 0x0, g 0
[ 414.107499] i-1: bstart 0, bend 1, gen 0
[ 414.107499] i0: i2, ext2, cnt 3, nl 9, 040755, ntfy 1, sz 1024, blk 2, ct
44032, np 1, st 0x0, f 0x0, g 0
[ 414.107499] i1: i667809, ext3, cnt 3, nl 22, 040755, ntfy 1, sz 4096, blk 8,
ct 23040, np 0, st 0x0, f 0x0, g 8f3e6903
[ 414.107499] aufs: isolated inode
[ 414.107499] aufs: locking di
[ 414.107499] pid: 2595
[ 414.107499] d-1: /?/root, aufs, cnt 476, flags 0x8, intent 0
[ 414.107499] i-1: i11, aufs, cnt 1, nl 233, 040755, ntfy 0, sz 8192, blk 16,
ct 54784, np 0, st 0x0, f 0x0, g ce4e75d0
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?/root, ext2, cnt 1990, flags 0x28, intent 0
[ 414.107499] i0: i61441, ext2, cnt 3, nl 226, 040755, ntfy 1, sz 8192, blk
16, ct 54784, np 2, st 0x0, f 0x0, g a5a52c82
[ 414.107499] d1: .nfsroot64-base?/root, ext3, cnt 1549, flags 0x20, intent 0
[ 414.107499] i1: i668135, ext3, cnt 3, nl 9, 040755, ntfy 1, sz 4096, blk 8,
ct 12288, np 0, st 0x0, f 0x0, g 4c2273e1
[ 414.107499] aufs: locked di
[ 414.107499] pid: 2594
[ 414.107499] d-1: /?//, aufs, cnt 31, flags 0x10, intent 0
[ 414.107499] i-1: i2, aufs, cnt 1, nl 29, 040755, ntfy 0, sz 1024, blk 2, ct
44032, np 0, st 0x0, f 0x0, g 0
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?//, ext2, cnt 60, flags 0x10, intent 0
[ 414.107499] i0: i2, ext2, cnt 3, nl 9, 040755, ntfy 1, sz 1024, blk 2, ct
44032, np 1, st 0x0, f 0x0, g 0
[ 414.107499] d1: /?/.nfsroot64-base, ext3, cnt 25, flags 0x0, intent 0
[ 414.107499] i1: i667809, ext3, cnt 3, nl 22, 040755, ntfy 1, sz 4096, blk 8,
ct 23040, np 0, st 0x0, f 0x0, g 8f3e6903
[ 414.107499] pid: 2594
[ 414.107499] d-1: /?/tmp, aufs, cnt 278, flags 0x8, intent 0
[ 414.107499] i-1: i260, aufs, cnt 1, nl 62, 041777, ntfy 0, sz 8192, blk 16,
ct 54784, np 0, st 0x0, f 0x0, g ce4e76c9
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?/tmp, ext2, cnt 7553, flags 0x28, intent 0
[ 414.107499] i0: i16385, ext2, cnt 3, nl 52, 041777, ntfy 1, sz 8192, blk 16,
ct 54784, np 2, st 0x0, f 0x0, g a5a52c2a
[ 414.107499] d1: .nfsroot64-base?/tmp, ext3, cnt 7214, flags 0x20, intent 0
[ 414.107499] i1: i668127, ext3, cnt 3, nl 12, 041777, ntfy 1, sz 4096, blk 8,
ct 15360, np 0, st 0x0, f 0x0, g 4c2273d9
[ 414.107499] pid: 2594
[ 414.107499] d-1: tmp?/drenameattestfile6316421.txt, aufs, cnt 2, flags 0x8,
intent 0
[ 414.107499] i-1: err 0
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: tmp?/drenameattestfile6316421.txt, ext2, cnt 1, flags 0x0,
intent 0
[ 414.107499] i0: err 0
[ 414.107499] pid: 2594
[ 414.107499] d-1: tmp?/renameattestfile6316421.txt, aufs, cnt 1, flags 0x8,
intent 0
[ 414.107499] i-1: i64454, aufs, cnt 1, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g 1
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: tmp?/renameattestfile6316421.txt, ext2, cnt 1, flags 0x20,
intent 0
[ 414.107499] i0: i50174, ext2, cnt 2, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g a5a926ec
[ 414.107499] pid: 2601
[ 414.107499] d-1: /?//, aufs, cnt 31, flags 0x10, intent 0
[ 414.107499] i-1: i2, aufs, cnt 1, nl 29, 040755, ntfy 0, sz 1024, blk 2, ct
44032, np 0, st 0x0, f 0x0, g 0
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?//, ext2, cnt 60, flags 0x10, intent 0
[ 414.107499] i0: i2, ext2, cnt 3, nl 9, 040755, ntfy 1, sz 1024, blk 2, ct
44032, np 1, st 0x0, f 0x0, g 0
[ 414.107499] d1: /?/.nfsroot64-base, ext3, cnt 25, flags 0x0, intent 0
[ 414.107499] i1: i667809, ext3, cnt 3, nl 22, 040755, ntfy 1, sz 4096, blk 8,
ct 23040, np 0, st 0x0, f 0x0, g 8f3e6903
[ 414.107499] pid: 2601
[ 414.107499] d-1: /?/root, aufs, cnt 476, flags 0x8, intent 0
[ 414.107499] i-1: i11, aufs, cnt 1, nl 233, 040755, ntfy 0, sz 8192, blk 16,
ct 54784, np 0, st 0x0, f 0x0, g ce4e75d0
[ 414.107499] d-1: bstart 0, bend 1, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: /?/root, ext2, cnt 1990, flags 0x28, intent 0
[ 414.107499] i0: i61441, ext2, cnt 3, nl 226, 040755, ntfy 1, sz 8192, blk
16, ct 54784, np 2, st 0x0, f 0x0, g a5a52c82
[ 414.107499] d1: .nfsroot64-base?/root, ext3, cnt 1549, flags 0x20, intent 0
[ 414.107499] i1: i668135, ext3, cnt 3, nl 9, 040755, ntfy 1, sz 4096, blk 8,
ct 12288, np 0, st 0x0, f 0x0, g 4c2273e1
[ 414.107499] pid: 2595
[ 414.107499] d-1: root?/renameattestdir6316416, aufs, cnt 3, flags 0x8,
intent 0
[ 414.107499] i-1: i64431, aufs, cnt 1, nl 2, 040700, ntfy 0, sz 1024, blk 2,
ct 54784, np 0, st 0x0, f 0x0, g 1
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: root?/renameattestdir6316416, ext2, cnt 3, flags 0x20,
intent 0
[ 414.107499] i0: i62534, ext2, cnt 4, nl 2, 040700, ntfy 1, sz 1024, blk 2,
ct 54784, np 1, st 0x0, f 0x0, g a5a926cb
[ 414.107499] pid: 2595
[ 414.107499] d-1: root?/drenameattestdir6316416, aufs, cnt 2, flags 0x8,
intent 0
[ 414.107499] i-1: i64432, aufs, cnt 1, nl 2, 040700, ntfy 0, sz 1024, blk 2,
ct 54784, np 0, st 0x0, f 0x0, g 2
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: root?/drenameattestdir6316416, ext2, cnt 3, flags 0x20,
intent 0
[ 414.107499] i0: i62535, ext2, cnt 3, nl 2, 040700, ntfy 1, sz 1024, blk 2,
ct 54784, np 1, st 0x0, f 0x0, g a5a926cc
[ 414.107499] pid: 2595
[ 414.107499] d-1: drenameattestdir6316416?/drenameattestfile6316416.txt,
aufs, cnt 2, flags 0x8, intent 0
[ 414.107499] i-1: err 0
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: drenameattestdir6316416?/drenameattestfile6316416.txt, ext2,
cnt 1, flags 0x0, intent 0
[ 414.107499] i0: err 0
[ 414.107499] pid: 2595
[ 414.107499] d-1: renameattestdir6316416?/renameattestfile6316416.txt, aufs,
cnt 1, flags 0x8, intent 0
[ 414.107499] i-1: i64453, aufs, cnt 1, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g 1
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: renameattestdir6316416?/renameattestfile6316416.txt, ext2,
cnt 1, flags 0x20, intent 0
[ 414.107499] i0: i62554, ext2, cnt 2, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g a5a926eb
[ 414.107499] pid: 2601
[ 414.107499] d-1: root?/drenameattestfile6316415.txt, aufs, cnt 2, flags 0x8,
intent 0
[ 414.107499] i-1: err 0
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: root?/drenameattestfile6316415.txt, ext2, cnt 1, flags 0x0,
intent 0
[ 414.107499] i0: err 0
[ 414.107499] pid: 2601
[ 414.107499] d-1: root?/renameattestfile6316415.txt, aufs, cnt 1, flags 0x8,
intent 0
[ 414.107499] i-1: i64442, aufs, cnt 1, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g 1
[ 414.107499] d-1: bstart 0, bend 0, bwh -1, bdiropq -1, gen 0
[ 414.107499] d0: root?/renameattestfile6316415.txt, ext2, cnt 1, flags 0x20,
intent 0
[ 414.107499] i0: i62542, ext2, cnt 2, nl 1, 0100600, ntfy 0, sz 0, blk 0, ct
54784, np 0, st 0x0, f 0x0, g a5a926d6
[ 414.107499] aufs: locked ii
For completeness, SysRq + W:
[ 418.527791] SysRq : Show Blocked State
[ 418.527791] task PC stack pid father
[ 418.527791] nfsd D 0000000000000000 0 2594 2
[ 418.527791] ffff81007d1b5bd0 0000000000000002 0000000000000000
0000000100000000
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007d5debb0 ffff81007d5de940
ffffffff805545e0
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8042fffe>] __down_read+0x15/0x9e
[ 418.527791] [<ffffffff802a918e>] lock_rename+0x40/0xe9
[ 418.527791] [<ffffffff8042f223>] mutex_lock_nested+0x172/0x285
[ 418.527791] [<ffffffff802a918e>] lock_rename+0x40/0xe9
[ 418.527791] [<ffffffff88403cc2>] :aufs:au_ren_lock+0x1f7/0x870
[ 418.527791] [<ffffffff884063bd>] :aufs:aufs_rename+0x694/0x1397
[ 418.527791] [<ffffffff802b2b38>] __d_lookup+0xa1/0x163
[ 418.527791] [<ffffffff802a9f47>] vfs_rename+0x296/0x41a
[ 418.527791] [<ffffffff882ee6c1>] :nfsd:nfsd_rename+0x28c/0x31e
[ 418.527791] [<ffffffff882f46b6>] :nfsd:nfsd3_proc_rename+0x125/0x135
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527791] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527791] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527791]
[ 418.527791] nfsd D 0000000000000000 0 2595 2
[ 418.527791] ffff81007d897b10 0000000000000046 0000000000000002
0000000100000000
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007d052a30 ffff81007d0527c0
ffff81007d5de940
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8042fffe>] __down_read+0x15/0x9e
[ 418.527791] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527791] [<ffffffff883f3047>] :aufs:di_read_lock+0xa1/0x252
[ 418.527791] [<ffffffff883fd33f>] :aufs:au_do_pin+0x16a/0x47b
[ 418.527791] [<ffffffff8024b10f>] down_write_trylock+0xe/0x38
[ 418.527791] [<ffffffff883fd406>] :aufs:au_do_pin+0x231/0x47b
[ 418.527791] [<ffffffff8024b10f>] down_write_trylock+0xe/0x38
[ 418.527791] [<ffffffff88403917>] :aufs:au_ren_pin3+0x6a/0x105
[ 418.527791] [<ffffffff88403f70>] :aufs:au_ren_lock+0x4a5/0x870
[ 418.527791] [<ffffffff884063bd>] :aufs:aufs_rename+0x694/0x1397
[ 418.527791] [<ffffffff802b2b38>] __d_lookup+0xa1/0x163
[ 418.527791] [<ffffffff802a9f47>] vfs_rename+0x296/0x41a
[ 418.527791] [<ffffffff882ee6c1>] :nfsd:nfsd_rename+0x28c/0x31e
[ 418.527791] [<ffffffff882f46b6>] :nfsd:nfsd3_proc_rename+0x125/0x135
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527791] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527791] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527791]
[ 418.527791] nfsd D 0000000000000000 0 2596 2
[ 418.527791] ffff81007dcf9a20 0000000000000046 0000000000000000
00000001880239bd
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007c83a970 ffff81007c83a700
ffffffff805545e0
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527791] [<ffffffff883feb4d>] :aufs:aufs_permission+0x1e5/0x94d
[ 418.527791] [<ffffffff8032469b>] __up_read+0x13/0x8a
[ 418.527791] [<ffffffff802a8efd>] permission+0xb5/0x10a
[ 418.527791] [<ffffffff882ebca1>] :nfsd:nfsd_acceptable+0x6f/0xd3
[ 418.527791] [<ffffffff882895f2>] :exportfs:exportfs_decode_fh+0x8f/0x1e1
[ 418.527791] [<ffffffff882ebc32>] :nfsd:nfsd_acceptable+0x0/0xd3
[ 418.527791] [<ffffffff80242023>] set_current_groups+0x15e/0x16a
[ 418.527791] [<ffffffff882f1e96>] :nfsd:nfsd_setuser+0x11f/0x20d
[ 418.527791] [<ffffffff882eb7bb>] :nfsd:nfsd_setuser_and_check_port+0x52/0x57
[ 418.527791] [<ffffffff882ebf52>] :nfsd:fh_verify+0x24d/0x48f
[ 418.527791] [<ffffffff882edb81>] :nfsd:nfsd_lookup_dentry+0x65/0x415
[ 418.527791] [<ffffffff882edf53>] :nfsd:nfsd_lookup+0x22/0xae
[ 418.527791] [<ffffffff882f4bb6>] :nfsd:nfsd3_proc_lookup+0xbb/0xc8
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527791] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527791] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527791]
[ 418.527791] nfsd D 0000000000000000 0 2597 2
[ 418.527791] ffff81007dcbba20 0000000000000046 0000000000000000
0000000100000000
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007cf5e3f0 ffff81007cf5e180
ffff81007d4ec780
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8042fffe>] __down_read+0x15/0x9e
[ 418.527791] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527791] [<ffffffff883feb4d>] :aufs:aufs_permission+0x1e5/0x94d
[ 418.527791] [<ffffffff8032469b>] __up_read+0x13/0x8a
[ 418.527791] [<ffffffff802a8efd>] permission+0xb5/0x10a
[ 418.527791] [<ffffffff882ebca1>] :nfsd:nfsd_acceptable+0x6f/0xd3
[ 418.527791] [<ffffffff882895f2>] :exportfs:exportfs_decode_fh+0x8f/0x1e1
[ 418.527791] [<ffffffff882ebc32>] :nfsd:nfsd_acceptable+0x0/0xd3
[ 418.527791] [<ffffffff80242023>] set_current_groups+0x15e/0x16a
[ 418.527791] [<ffffffff882f1e96>] :nfsd:nfsd_setuser+0x11f/0x20d
[ 418.527791] [<ffffffff882eb7bb>] :nfsd:nfsd_setuser_and_check_port+0x52/0x57
[ 418.527791] [<ffffffff882ebf52>] :nfsd:fh_verify+0x24d/0x48f
[ 418.527791] [<ffffffff8022d684>] try_to_wake_up+0xf9/0x10a
[ 418.527791] [<ffffffff882edb81>] :nfsd:nfsd_lookup_dentry+0x65/0x415
[ 418.527791] [<ffffffff882edf53>] :nfsd:nfsd_lookup+0x22/0xae
[ 418.527791] [<ffffffff882f4bb6>] :nfsd:nfsd3_proc_lookup+0xbb/0xc8
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527791] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527791] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527791]
[ 418.527791] nfsd D 0000000000000000 0 2598 2
[ 418.527791] ffff81007c9fda20 0000000000000046 0000000000000000
0000000100000246
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007d83eb30 ffff81007d83e8c0
ffffffff805545e0
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527791] [<ffffffff883feb4d>] :aufs:aufs_permission+0x1e5/0x94d
[ 418.527791] [<ffffffff8032469b>] __up_read+0x13/0x8a
[ 418.527791] [<ffffffff802a8efd>] permission+0xb5/0x10a
[ 418.527791] [<ffffffff882ebca1>] :nfsd:nfsd_acceptable+0x6f/0xd3
[ 418.527791] [<ffffffff882895f2>] :exportfs:exportfs_decode_fh+0x8f/0x1e1
[ 418.527791] [<ffffffff882ebc32>] :nfsd:nfsd_acceptable+0x0/0xd3
[ 418.527791] [<ffffffff80242023>] set_current_groups+0x15e/0x16a
[ 418.527791] [<ffffffff882f1e96>] :nfsd:nfsd_setuser+0x11f/0x20d
[ 418.527791] [<ffffffff882eb7bb>] :nfsd:nfsd_setuser_and_check_port+0x52/0x57
[ 418.527791] [<ffffffff882ebf52>] :nfsd:fh_verify+0x24d/0x48f
[ 418.527791] [<ffffffff8022d684>] try_to_wake_up+0xf9/0x10a
[ 418.527791] [<ffffffff882edb81>] :nfsd:nfsd_lookup_dentry+0x65/0x415
[ 418.527791] [<ffffffff882edf53>] :nfsd:nfsd_lookup+0x22/0xae
[ 418.527791] [<ffffffff882f4bb6>] :nfsd:nfsd3_proc_lookup+0xbb/0xc8
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527791] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527791] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527791] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527791] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527791]
[ 418.527791] nfsd D 0000000000000000 0 2599 2
[ 418.527791] ffff81007a85fa20 0000000000000046 0000000000000000
0000000100000246
[ 418.527791] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527791] ffffffff80650100 ffff81007cde6e30 ffff81007cde6bc0
ffff81007f3a8240
[ 418.527791] Call Trace:
[ 418.527791] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527791] [<ffffffff883feb4d>] :aufs:aufs_permission+0x1e5/0x94d
[ 418.527791] [<ffffffff8032469b>] __up_read+0x13/0x8a
[ 418.527791] [<ffffffff802a8efd>] permission+0xb5/0x10a
[ 418.527791] [<ffffffff882ebca1>] :nfsd:nfsd_acceptable+0x6f/0xd3
[ 418.527791] [<ffffffff882895f2>] :exportfs:exportfs_decode_fh+0x8f/0x1e1
[ 418.527791] [<ffffffff882ebc32>] :nfsd:nfsd_acceptable+0x0/0xd3
[ 418.527791] [<ffffffff80242023>] set_current_groups+0x15e/0x16a
[ 418.527791] [<ffffffff882f1e96>] :nfsd:nfsd_setuser+0x11f/0x20d
[ 418.527791] [<ffffffff882eb7bb>] :nfsd:nfsd_setuser_and_check_port+0x52/0x57
[ 418.527791] [<ffffffff882ebf52>] :nfsd:fh_verify+0x24d/0x48f
[ 418.527791] [<ffffffff8022d684>] try_to_wake_up+0xf9/0x10a
[ 418.527791] [<ffffffff882edb81>] :nfsd:nfsd_lookup_dentry+0x65/0x415
[ 418.527791] [<ffffffff882edf53>] :nfsd:nfsd_lookup+0x22/0xae
[ 418.527791] [<ffffffff882f4bb6>] :nfsd:nfsd3_proc_lookup+0xbb/0xc8
[ 418.527791] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527791] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527792] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527792] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527792]
[ 418.527792] nfsd D 0000000000000000 0 2600 2
[ 418.527792] ffff81007a8a1a20 0000000000000046 0000000000000000
0000000100000000
[ 418.527792] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527792] ffffffff80650100 ffff81007d4ec9f0 ffff81007d4ec780
ffffffff805545e0
[ 418.527792] Call Trace:
[ 418.527792] [<ffffffff8043006f>] __down_read+0x86/0x9e
[ 418.527792] [<ffffffff883feb4d>] :aufs:aufs_permission+0x1e5/0x94d
[ 418.527792] [<ffffffff8032469b>] __up_read+0x13/0x8a
[ 418.527792] [<ffffffff802a8efd>] permission+0xb5/0x10a
[ 418.527792] [<ffffffff882ebca1>] :nfsd:nfsd_acceptable+0x6f/0xd3
[ 418.527792] [<ffffffff882895f2>] :exportfs:exportfs_decode_fh+0x8f/0x1e1
[ 418.527792] [<ffffffff882ebc32>] :nfsd:nfsd_acceptable+0x0/0xd3
[ 418.527792] [<ffffffff80242023>] set_current_groups+0x15e/0x16a
[ 418.527792] [<ffffffff882f1e96>] :nfsd:nfsd_setuser+0x11f/0x20d
[ 418.527792] [<ffffffff882eb7bb>] :nfsd:nfsd_setuser_and_check_port+0x52/0x57
[ 418.527792] [<ffffffff882ebf52>] :nfsd:fh_verify+0x24d/0x48f
[ 418.527792] [<ffffffff882edb81>] :nfsd:nfsd_lookup_dentry+0x65/0x415
[ 418.527792] [<ffffffff882edf53>] :nfsd:nfsd_lookup+0x22/0xae
[ 418.527792] [<ffffffff882f4bb6>] :nfsd:nfsd3_proc_lookup+0xbb/0xc8
[ 418.527792] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527792] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527792] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527792] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527792]
[ 418.527792] nfsd D 0000000000000000 0 2601 2
[ 418.527792] ffff81007a8e3bd0 0000000000000002 0000000000000002
0000000100000000
[ 418.527792] ffffffff80650100 ffffffff80650100 ffffffff80650100
ffffffff8064d1c0
[ 418.527792] ffffffff80650100 ffff81007d13e9b0 ffff81007d13e740
ffff81007cf5e180
[ 418.527792] Call Trace:
[ 418.527792] [<ffffffff8042fffe>] __down_read+0x15/0x9e
[ 418.527792] [<ffffffff802a918e>] lock_rename+0x40/0xe9
[ 418.527792] [<ffffffff8042f223>] mutex_lock_nested+0x172/0x285
[ 418.527792] [<ffffffff802a918e>] lock_rename+0x40/0xe9
[ 418.527792] [<ffffffff88403cc2>] :aufs:au_ren_lock+0x1f7/0x870
[ 418.527792] [<ffffffff884063bd>] :aufs:aufs_rename+0x694/0x1397
[ 418.527792] [<ffffffff802b2b38>] __d_lookup+0xa1/0x163
[ 418.527792] [<ffffffff802a9f47>] vfs_rename+0x296/0x41a
[ 418.527792] [<ffffffff882ee6c1>] :nfsd:nfsd_rename+0x28c/0x31e
[ 418.527792] [<ffffffff882f46b6>] :nfsd:nfsd3_proc_rename+0x125/0x135
[ 418.527792] [<ffffffff882e9249>] :nfsd:nfsd_dispatch+0xde/0x1b6
[ 418.527792] [<ffffffff88296854>] :sunrpc:svc_process+0x3eb/0x707
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff882e9818>] :nfsd:nfsd+0x1a0/0x2b4
[ 418.527792] [<ffffffff8020d028>] child_rip+0xa/0x12
[ 418.527792] [<ffffffff8020c5bc>] restore_args+0x0/0x30
[ 418.527792] [<ffffffff882e9678>] :nfsd:nfsd+0x0/0x2b4
[ 418.527792] [<ffffffff8020d01e>] child_rip+0x0/0x12
[ 418.527792]
Thanks!
Louis
--
Dr Louis Rilling Kerlabs
Skype: louis.rilling Batiment Germanium
Phone: (+33|0) 6 80 89 08 23 80 avenue des Buttes de Coesmes
http://www.kerlabs.com/ 35700 Rennes
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