From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Eric Sandeen <sandeen@sandeen.net>,
Dave Chinner <david@fromorbit.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
xfs@oss.sgi.com
Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled.
Date: Wed, 12 Feb 2014 04:22:15 +0000 [thread overview]
Message-ID: <20140212042215.GN18016@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20140212040358.GA25327@redhat.com>
On Tue, Feb 11, 2014 at 11:03:58PM -0500, Dave Jones wrote:
> [ 3111.414202] [<ffffffff8d1f9036>] bio_alloc_bioset+0x156/0x210
> [ 3111.414855] [<ffffffffc0314231>] _xfs_buf_ioapply+0x1c1/0x3c0 [xfs]
> [ 3111.415517] [<ffffffffc03858f2>] ? xlog_bdstrat+0x22/0x60 [xfs]
> [ 3111.416175] [<ffffffffc031449b>] xfs_buf_iorequest+0x6b/0xf0 [xfs]
> [ 3111.416843] [<ffffffffc03858f2>] xlog_bdstrat+0x22/0x60 [xfs]
> [ 3111.417509] [<ffffffffc0387a87>] xlog_sync+0x3a7/0x5b0 [xfs]
> [ 3111.418175] [<ffffffffc0387d9f>] xlog_state_release_iclog+0x10f/0x120 [xfs]
> [ 3111.418846] [<ffffffffc0388840>] xlog_write+0x6f0/0x800 [xfs]
> [ 3111.419518] [<ffffffffc038a061>] xlog_cil_push+0x2f1/0x410 [xfs]
Very interesting. The first thing xlog_cil_push() is doing is blocking
kmalloc(). So at that point it still hadn't been atomic. I'd probably
slap may_sleep() in the beginning of xlog_sync() and see if that triggers...
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WARNING: multiple messages have this Message-ID (diff)
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Eric Sandeen <sandeen@sandeen.net>,
Dave Chinner <david@fromorbit.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
xfs@oss.sgi.com
Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled.
Date: Wed, 12 Feb 2014 04:22:15 +0000 [thread overview]
Message-ID: <20140212042215.GN18016@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20140212040358.GA25327@redhat.com>
On Tue, Feb 11, 2014 at 11:03:58PM -0500, Dave Jones wrote:
> [ 3111.414202] [<ffffffff8d1f9036>] bio_alloc_bioset+0x156/0x210
> [ 3111.414855] [<ffffffffc0314231>] _xfs_buf_ioapply+0x1c1/0x3c0 [xfs]
> [ 3111.415517] [<ffffffffc03858f2>] ? xlog_bdstrat+0x22/0x60 [xfs]
> [ 3111.416175] [<ffffffffc031449b>] xfs_buf_iorequest+0x6b/0xf0 [xfs]
> [ 3111.416843] [<ffffffffc03858f2>] xlog_bdstrat+0x22/0x60 [xfs]
> [ 3111.417509] [<ffffffffc0387a87>] xlog_sync+0x3a7/0x5b0 [xfs]
> [ 3111.418175] [<ffffffffc0387d9f>] xlog_state_release_iclog+0x10f/0x120 [xfs]
> [ 3111.418846] [<ffffffffc0388840>] xlog_write+0x6f0/0x800 [xfs]
> [ 3111.419518] [<ffffffffc038a061>] xlog_cil_push+0x2f1/0x410 [xfs]
Very interesting. The first thing xlog_cil_push() is doing is blocking
kmalloc(). So at that point it still hadn't been atomic. I'd probably
slap may_sleep() in the beginning of xlog_sync() and see if that triggers...
next prev parent reply other threads:[~2014-02-12 4:22 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-11 17:27 3.14-rc2 XFS backtrace because irqs_disabled Dave Jones
2014-02-11 17:27 ` Dave Jones
2014-02-11 21:08 ` Dave Chinner
2014-02-11 21:08 ` Dave Chinner
2014-02-11 21:49 ` Eric Sandeen
2014-02-11 21:49 ` Eric Sandeen
2014-02-12 0:44 ` Dave Jones
2014-02-12 0:44 ` Dave Jones
2014-02-12 1:09 ` Al Viro
2014-02-12 1:09 ` Al Viro
2014-02-12 2:52 ` Linus Torvalds
2014-02-12 2:52 ` Linus Torvalds
2014-02-12 4:03 ` Dave Jones
2014-02-12 4:03 ` Dave Jones
2014-02-12 4:22 ` Al Viro [this message]
2014-02-12 4:22 ` Al Viro
2014-02-12 5:40 ` Dave Chinner
2014-02-12 5:40 ` Dave Chinner
2014-02-12 5:50 ` Dave Jones
2014-02-12 5:50 ` Dave Jones
2014-02-12 6:10 ` Dave Chinner
2014-02-12 6:10 ` Dave Chinner
2014-02-12 6:31 ` Dave Chinner
2014-02-12 6:31 ` Dave Chinner
2014-02-12 6:59 ` Linus Torvalds
2014-02-12 6:59 ` Linus Torvalds
2014-02-12 8:13 ` Tejun Heo
2014-02-12 8:13 ` Tejun Heo
2014-02-12 12:44 ` Steven Rostedt
2014-02-12 12:44 ` Steven Rostedt
2014-02-12 8:35 ` Dave Chinner
2014-02-12 8:35 ` Dave Chinner
2014-02-12 12:50 ` Steven Rostedt
2014-02-12 12:50 ` Steven Rostedt
2014-02-12 12:40 ` Steven Rostedt
2014-02-12 12:40 ` Steven Rostedt
2014-02-12 13:29 ` Peter Zijlstra
2014-02-12 13:29 ` Peter Zijlstra
2014-02-12 14:25 ` Dave Jones
2014-02-12 14:25 ` Dave Jones
2014-02-12 21:14 ` Dave Chinner
2014-02-12 21:14 ` Dave Chinner
2014-02-12 15:57 ` Eric Sandeen
2014-02-12 15:57 ` Eric Sandeen
2014-02-12 6:28 ` Linus Torvalds
2014-02-12 6:28 ` Linus Torvalds
2014-02-12 7:18 ` Dave Chinner
2014-02-12 7:18 ` Dave Chinner
2014-02-14 0:24 ` Dave Chinner
2014-02-14 0:24 ` Dave Chinner
2014-02-14 16:01 ` Dave Jones
2014-02-14 16:01 ` Dave Jones
2014-02-15 22:23 ` Dave Chinner
2014-02-15 22:23 ` Dave Chinner
2014-02-15 22:28 ` Dave Jones
2014-02-15 22:28 ` Dave Jones
2014-02-15 22:43 ` Linus Torvalds
2014-02-15 22:43 ` Linus Torvalds
2014-02-15 23:50 ` Linus Torvalds
2014-02-15 23:50 ` Linus Torvalds
2014-02-15 23:50 ` Linus Torvalds
2014-02-18 1:27 ` Dave Chinner
2014-02-18 1:27 ` Dave Chinner
2014-02-18 1:27 ` Dave Chinner
2014-02-12 11:39 ` Al Viro
2014-02-12 11:39 ` Al Viro
2014-02-12 20:13 ` Linus Torvalds
2014-02-12 20:13 ` Linus Torvalds
2014-02-12 21:14 ` Al Viro
2014-02-12 21:14 ` Al Viro
2014-02-12 21:32 ` Linus Torvalds
2014-02-12 21:32 ` Linus Torvalds
2014-02-12 21:44 ` Al Viro
2014-02-12 21:44 ` Al Viro
2014-02-13 20:51 ` Al Viro
2014-02-13 20:51 ` Al Viro
2014-02-14 0:09 ` Al Viro
2014-02-14 0:09 ` Al Viro
2014-02-14 13:25 ` Christoph Hellwig
2014-02-14 13:25 ` Christoph Hellwig
2014-02-14 13:29 ` Richard Weinberger
2014-02-14 13:29 ` Richard Weinberger
2014-02-14 15:20 ` Al Viro
2014-02-14 15:20 ` Al Viro
2014-02-14 16:08 ` Oleg Nesterov
2014-02-14 16:08 ` Oleg Nesterov
2014-02-13 17:40 ` Oleg Nesterov
2014-02-13 17:40 ` Oleg Nesterov
2014-02-13 17:58 ` Linus Torvalds
2014-02-13 17:58 ` Linus Torvalds
2014-02-13 18:10 ` Oleg Nesterov
2014-02-13 18:10 ` Oleg Nesterov
2014-02-13 18:37 ` Oleg Nesterov
2014-02-13 18:37 ` Oleg Nesterov
2014-02-15 5:25 ` Al Viro
2014-02-15 5:25 ` Al Viro
2014-02-15 14:27 ` Oleg Nesterov
2014-02-15 14:27 ` Oleg Nesterov
2014-02-15 15:22 ` Al Viro
2014-02-15 15:22 ` Al Viro
2014-02-15 15:33 ` Oleg Nesterov
2014-02-15 15:33 ` Oleg Nesterov
2014-02-15 15:36 ` Al Viro
2014-02-15 15:36 ` Al Viro
2014-02-15 15:58 ` Al Viro
2014-02-15 15:58 ` Al Viro
2014-02-15 16:59 ` Al Viro
2014-02-15 16:59 ` Al Viro
2014-02-15 17:43 ` Oleg Nesterov
2014-02-15 17:43 ` Oleg Nesterov
2014-02-15 18:05 ` Al Viro
2014-02-15 18:05 ` Al Viro
2014-02-15 18:45 ` Oleg Nesterov
2014-02-15 18:45 ` Oleg Nesterov
2014-02-17 16:57 ` Oleg Nesterov
2014-02-17 16:57 ` Oleg Nesterov
2014-02-17 17:40 ` Al Viro
2014-02-17 17:40 ` Al Viro
2014-02-17 17:46 ` Oleg Nesterov
2014-02-17 17:46 ` Oleg Nesterov
2014-02-17 17:54 ` Al Viro
2014-02-17 17:54 ` Al Viro
2014-02-14 16:13 ` Christoph Hellwig
2014-02-14 16:13 ` Christoph Hellwig
2014-02-14 16:16 ` Al Viro
2014-02-14 16:16 ` Al Viro
2014-02-14 16:18 ` Al Viro
2014-02-14 16:18 ` Al Viro
2014-02-14 16:19 ` Christoph Hellwig
2014-02-14 16:19 ` Christoph Hellwig
2014-02-15 14:46 ` Oleg Nesterov
2014-02-15 14:46 ` Oleg Nesterov
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