From: Dave Chinner <david@fromorbit.com>
To: Dave Jones <davej@redhat.com>,
xfs@oss.sgi.com, Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: XFS WARN_ON in xfs_vm_writepage
Date: Thu, 19 Jun 2014 12:03:40 +1000 [thread overview]
Message-ID: <20140619020340.GI4453@dastard> (raw)
In-Reply-To: <20140613141925.GA24199@redhat.com>
On Fri, Jun 13, 2014 at 10:19:25AM -0400, Dave Jones wrote:
> On Fri, Jun 13, 2014 at 04:26:45PM +1000, Dave Chinner wrote:
>
> > > 970 if (WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) ==
> > > 971 PF_MEMALLOC))
> >
> > What were you running at the time? The XFS warning is there to
> > indicate that memory reclaim is doing something it shouldn't (i.e.
> > dirty page writeback from direct reclaim), so this is one for the mm
> > folk to work out...
>
> Trinity had driven the machine deeply into swap, and the oom killer was
> kicking in pretty often. Then this happened.
Yup, sounds like a problem somewhere in mm/vmscan.c....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2014-06-19 2:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-13 5:16 XFS WARN_ON in xfs_vm_writepage Dave Jones
2014-06-13 6:26 ` Dave Chinner
2014-06-13 14:19 ` Dave Jones
2014-06-19 2:03 ` Dave Chinner [this message]
2014-06-23 20:27 ` Dave Jones
2014-06-24 1:02 ` Dave Chinner
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