possible circular lock dependency in reiserfs
Hi,
I got the following report in syslog:
Oct 17 10:56:35 oenone kernel: =
Oct 17 10:56:35 oenone kernel: [ INFO: possible recursive locking detected ]
Oct 17 10:56:35 oenone kernel: 2.6.23-default #1
Oct 17 10:56:35 oenone kernel: -
Oct 17 10:56:35 oenone kernel: beagled/4092 is trying to acquire lock:
Oct 17 10:56:35 oenone kernel: (inode-i_mutex){--..}, at:
[88090081] reiserfs_xattr_set+0xf3/0x30e [reiserfs]
Oct 17 10:56:35 oenone kernel:
Oct 17 10:56:35 oenone kernel: but task is already holding lock:
Oct 17 10:56:35 oenone kernel: (inode-i_mutex){--..}, at:
[802adef5] vfs_setxattr+0x4d/0x1e0
Oct 17 10:56:35 oenone kernel:
Oct 17 10:56:35 oenone kernel: other info that might help us debug this:
Oct 17 10:56:35 oenone kernel: 3 locks held by beagled/4092:
Oct 17 10:56:35 oenone kernel: #0: (inode-i_mutex){--..}, at:
[802adef5] vfs_setxattr+0x4d/0x1e0
Oct 17 10:56:35 oenone kernel: #1: (REISERFS_I(inode)-xattr_sem){}, at:
[8808fb56] reiserfs_setxattr+0x6b/0x11f [reiserfs]
Oct 17 10:56:35 oenone kernel: #2: (REISERFS_SB(s)-xattr_dir_sem){},
at: [8808fb89] reiserfs_setxattr+0x9e/0x11f [reiserfs]
Oct 17 10:56:35 oenone kernel:
Oct 17 10:56:35 oenone kernel: stack backtrace:
Oct 17 10:56:35 oenone kernel:
Oct 17 10:56:35 oenone kernel: Call Trace:
Oct 17 10:56:35 oenone kernel: [80250528] __lock_acquire+0x1b7/0xcaf
Oct 17 10:56:35 oenone kernel: [8025140d] lock_acquire+0x51/0x6c
Oct 17 10:56:35 oenone kernel: [88090081]
:reiserfs:reiserfs_xattr_set+0xf3/0x30e
Oct 17 10:56:35 oenone kernel: [8024ddd1]
debug_mutex_lock_common+0x16/0x23
Oct 17 10:56:35 oenone kernel: [8044b824]
__mutex_lock_slowpath+0xe1/0x277
Oct 17 10:56:35 oenone kernel: [88090081]
:reiserfs:reiserfs_xattr_set+0xf3/0x30e
Oct 17 10:56:35 oenone kernel: [8024feec]
trace_hardirqs_on+0x115/0x139
Oct 17 10:56:35 oenone kernel: [8044d1f4] _spin_unlock_irq+0x24/0x27
Oct 17 10:56:35 oenone kernel: [8044c85a]
__down_write_nested+0x34/0x9e
Oct 17 10:56:35 oenone kernel: [8808fbb2]
:reiserfs:reiserfs_setxattr+0xc7/0x11f
Oct 17 10:56:35 oenone kernel: [802adf56] vfs_setxattr+0xae/0x1e0
Oct 17 10:56:35 oenone kernel: [802ae148] setxattr+0xc0/0xdd
Oct 17 10:56:35 oenone kernel: [8028f376] kmem_cache_free+0x1c4/0x1d6
Oct 17 10:56:35 oenone kernel: [8024feec]
trace_hardirqs_on+0x115/0x139
Oct 17 10:56:35 oenone kernel: [8029dae5] do_path_lookup+0x1ae/0x22c
Oct 17 10:56:35 oenone kernel: [8029e340] __user_walk_fd+0x41/0x4c
Oct 17 10:56:35 oenone kernel: [802ae1ae] sys_lsetxattr+0x49/0x6a
Oct 17 10:56:35 oenone kernel: [8020bdfa] tracesys+0x71/0xe1
Oct 17 10:56:35 oenone kernel: [8020be65] tracesys+0xdc/0xe1
Oct 17 10:56:35 oenone kernel:
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Re: 2.6.23-mm1: BUG in reiserfs_delete_xattrs
On Mon, Oct 15, 2007 at 02:31:03PM -0400, Jeff Mahoney wrote: Here's a patch I worked up the other night that kills off struct file completely from the xattr code. I've tested it locally. Looks like a merge of Dave's and my patch :) ACK from me, I don't care whether it's one or two patches. - To unsubscribe from this list: send the line unsubscribe linux-fsdevel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: 2.6.23-mm1: BUG in reiserfs_delete_xattrs
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Christoph Hellwig wrote: On Mon, Oct 15, 2007 at 02:31:03PM -0400, Jeff Mahoney wrote: Here's a patch I worked up the other night that kills off struct file completely from the xattr code. I've tested it locally. Looks like a merge of Dave's and my patch :) ACK from me, I don't care whether it's one or two patches. Yeah, it probably is. I did it from scratch since it was my mess, and the patches I saw were against -mm. *shrug* Likewise, I don't care if it's one or two. - -Jeff - -- Jeff Mahoney SUSE Labs -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.4-svn0 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFHFiJHLPWxlyuTD7IRAojqAJwKS+eL1yCtUVHzBSFUxjjkW6KgPwCcDRUE Q1V7tCPcT9h0a8ahVmYn+ms= =5kMt -END PGP SIGNATURE- - To unsubscribe from this list: send the line unsubscribe linux-fsdevel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
