From: Dave Jones <davej@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jens Axboe <jaxboe@fusionio.com>
Subject: Re: list corruption in the last few days. (block ? crypto ?)
Date: Fri, 5 Aug 2011 13:16:07 -0400 [thread overview]
Message-ID: <20110805171607.GA11703@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1108051158400.28580@router.home>
On Fri, Aug 05, 2011 at 12:01:38PM -0500, Christoph Lameter wrote:
> On Fri, 5 Aug 2011, Dave Jones wrote:
>
> > On Fri, Aug 05, 2011 at 11:47:56AM -0500, Christoph Lameter wrote:
> > > On Fri, 5 Aug 2011, Dave Jones wrote:
> > >
> > > > Not sure if you were addressing my original report (quoted above), or the networking
> > > > related report in this part of the thread. But anyway, I had it turned on (as well as just about
> > > > every other debugging option). I didn't see anything output from it though,
> > > > just the LIST_DEBUG warnings.
> > >
> > > But CONFIG_SLUB_DEBUG_ON was off? If slab debugging was on then this could
> > > be an issue with full slab list management instead of partial lists.
> >
> > $ grep SLUB_DEBUG_ON .config
> > CONFIG_SLUB_DEBUG_ON=y
>
> Argh another debugging code issue. Anyone who sees this please verify that
> it also occurs with debugging off. I ran this code for 9 months in
> various configs but only sporadically with debugging support since that
> switches the lockless stuff.
This started turning up immediately as soon as it got merged to mainline.
Which leads me to believe no-one is running -next with debugging on either.
Perhaps we should force debugging on for a week once per release cycle.
Dave
next prev parent reply other threads:[~2011-08-05 17:16 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-05 1:00 list corruption in the last few days. (block ? crypto ?) Dave Jones
2011-08-05 8:46 ` Markus Trippelsdorf
2011-08-05 9:13 ` Pekka Enberg
2011-08-05 9:22 ` Jens Axboe
2011-08-05 9:33 ` Pekka Enberg
2011-08-05 16:32 ` Christoph Lameter
2011-08-05 16:39 ` Dave Jones
2011-08-05 16:47 ` Christoph Lameter
2011-08-05 16:51 ` Dave Jones
2011-08-05 17:01 ` Christoph Lameter
2011-08-05 17:16 ` Dave Jones [this message]
2011-08-05 18:14 ` Christoph Lameter
2011-08-05 18:20 ` Dave Jones
2011-08-06 19:31 ` Linus Torvalds
2011-08-07 13:15 ` Pekka Enberg
2011-08-07 18:58 ` Pekka Enberg
2011-08-07 21:13 ` Linus Torvalds
2011-08-08 5:18 ` Pekka Enberg
2011-08-08 6:12 ` Linus Torvalds
2011-08-08 6:15 ` Xiaotian Feng
2011-08-08 6:14 ` Xiaotian Feng
2011-08-08 6:16 ` Pekka Enberg
2011-08-08 6:34 ` Xiaotian Feng
2011-08-08 6:18 ` Pekka Enberg
2011-08-08 6:31 ` Xiaotian Feng
2011-08-08 6:38 ` Pekka Enberg
2011-08-08 9:18 ` Xiaotian Feng
2011-08-08 14:58 ` Christoph Lameter
2011-08-07 20:36 ` Pekka Enberg
2011-08-05 9:00 ` Xiaotian Feng
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