Re: reiserfs deadlock

[Alexander Beregalov <a.beregalov@gmail.com>]

Hi Frederic

Does it help?

2 locks held by metalog/1558:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c106a501>]
generic_file_aio_write+0x41/0xb0
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50

2 locks held by svscan/1600:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c10a0112>]
vfs_readdir+0x52/0xa0
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40

3 locks held by agetty/1868:
 #0:  (&p->cred_guard_mutex){+.+.+.}, at: [<c10972f4>]
prepare_bprm_creds+0x24/0x60
 #1:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c109a4bb>]
do_lookup+0xbb/0x1c0
 #2:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50

2 locks held by modprobe/1871:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c10a0112>]
vfs_readdir+0x52/0xa0
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40

2 locks held by fcron/1872:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c109d903>]
do_filp_open+0x173/0x9f0
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50

3 locks held by ddclient/1588:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c1091417>]
do_truncate+0x57/0x90
 #1:  (&sb->s_type->i_alloc_sem_key#3){+.+...}, at: [<c10a65e6>]
notify_change+0x1d6/0x330
 #2:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50

2 locks held by multilog/1615:
 #0:  (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c106a501>]
generic_file_aio_write+0x41/0xb0
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50

2 locks held by nfsd/1734:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1735:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1736:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1737:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1738:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1739:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1740:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
2 locks held by nfsd/1741:
 #0:  (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
 #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40