From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Miklos Szeredi <mszeredi@suse.cz>, Jan Kara <jack@suse.cz>
Subject: Re: processes hung after sys_renameat, and 'missing' processes
Date: Wed, 6 Jun 2012 19:00:40 -0400 [thread overview]
Message-ID: <20120606230040.GA18089@redhat.com> (raw)
In-Reply-To: <CA+55aFwxFVLPk4-dp73uccKXepKwjpGFgh0NW1u8d0zYzr=hBA@mail.gmail.com>
On Wed, Jun 06, 2012 at 03:38:46PM -0700, Linus Torvalds wrote:
> So what filesystem is this?
The box I saw it on a few days ago: ext4. Today's box: btrfs
> It really looks like something has left i_mutex locked on a directory,
> but I'm for the life of me not seeing it. There are lookup changes
> mainly by Miklos, but they don't seem to change the i_mutex locking.
It is possible that this is a bug stretching back further than 3.4.
I'm continually adding new ways to do terrible things to the fuzzer,
and this last week or so has seen quite a few changes. So maybe I've only
just found a way to tickle this particular bug. (Just like the situation
we had with the mbind corruption a few weeks back).
Dave
next prev parent reply other threads:[~2012-06-06 23:01 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-03 22:36 processes hung after sys_renameat, and 'missing' processes Dave Jones
2012-06-03 22:51 ` Dave Jones
2012-06-03 23:07 ` Linus Torvalds
2012-06-03 23:17 ` Al Viro
2012-06-03 23:28 ` Al Viro
2012-06-03 23:40 ` Al Viro
2012-06-03 23:59 ` Al Viro
2012-06-04 0:07 ` Dave Jones
2012-06-06 19:42 ` Dave Jones
2012-06-06 22:38 ` Linus Torvalds
2012-06-06 23:00 ` Dave Jones [this message]
2012-06-06 23:31 ` Linus Torvalds
2012-06-06 23:54 ` Al Viro
2012-06-07 0:29 ` Dave Jones
2012-06-07 0:40 ` Al Viro
2012-06-07 0:42 ` Linus Torvalds
2012-06-07 1:19 ` Dave Jones
2012-06-07 1:29 ` Al Viro
2012-06-07 1:31 ` Dave Jones
2012-06-07 1:31 ` Al Viro
2012-06-07 1:42 ` Dave Jones
2012-06-07 1:45 ` Linus Torvalds
2012-06-07 1:54 ` Al Viro
2012-06-07 2:08 ` Dave Jones
2012-06-07 19:36 ` Al Viro
2012-06-07 20:43 ` Sage Weil
2012-06-07 23:12 ` Eric W. Biederman
2012-06-07 23:39 ` Al Viro
2012-06-07 23:57 ` Linus Torvalds
2012-06-08 0:36 ` Al Viro
2012-06-08 0:42 ` Linus Torvalds
2012-06-08 0:59 ` Al Viro
2012-06-08 5:25 ` Eric W. Biederman
2012-06-08 5:48 ` Al Viro
2012-06-08 7:54 ` Eric W. Biederman
2012-06-08 20:20 ` Al Viro
2012-06-08 2:08 ` Eric W. Biederman
2012-06-08 2:37 ` Al Viro
2012-06-08 2:18 ` Al Viro
2012-06-08 16:22 ` J. Bruce Fields
2012-06-08 17:44 ` Linus Torvalds
2012-06-11 12:17 ` J. Bruce Fields
2012-06-07 1:40 ` Linus Torvalds
2012-06-07 0:35 ` Linus Torvalds
2012-06-07 10:26 ` Peter Zijlstra
2012-06-07 15:30 ` Linus Torvalds
2012-06-08 7:31 ` Peter Zijlstra
2012-06-08 14:38 ` Dave Jones
2012-06-08 14:51 ` Peter Zijlstra
2012-06-08 15:01 ` Dave Jones
2012-06-08 15:11 ` Peter Zijlstra
2012-06-08 15:21 ` Dave Jones
2012-06-08 14:46 ` J. Bruce Fields
2012-06-08 15:08 ` Peter Zijlstra
2012-06-11 12:17 ` J. Bruce Fields
2012-06-04 0:00 ` Dave Jones
2012-06-04 0:16 ` Linus Torvalds
2012-06-04 0:20 ` Al Viro
2012-06-04 9:35 ` Peter Zijlstra
2012-06-04 9:29 ` Peter Zijlstra
2012-06-04 10:49 ` Peter Zijlstra
2012-06-07 0:13 ` Dave Jones
-- strict thread matches above, loose matches on Subject: below --
2012-06-07 7:07 Miklos Szeredi
2012-06-07 15:44 ` Linus Torvalds
2012-06-11 16:02 ` Miklos Szeredi
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