From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Paul Bolle <pebolle@tiscali.nl>
Cc: Vivek Goyal <vgoyal@redhat.com>, Jens Axboe <jaxboe@fusionio.com>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: Mysterious CFQ crash and RCU
Date: Sun, 22 May 2011 13:13:02 -0700 [thread overview]
Message-ID: <20110522201302.GM2271@linux.vnet.ibm.com> (raw)
In-Reply-To: <1306092657.2066.53.camel@x61.thuisdomein>
On Sun, May 22, 2011 at 09:30:57PM +0200, Paul Bolle wrote:
> On Sat, 2011-05-21 at 16:54 -0700, Paul E. McKenney wrote:
> > On Sun, May 22, 2011 at 12:23:50AM +0200, Paul Bolle wrote:
> > > Is anyone able to spot one or more commits in v2.6.39-rc7..v2.6.39 that
> > > might have fixed this Oops? Or did my chance of hitting this Oops,
> > > somehow, just got a lot smaller in v.2.6.39?
>
> As I just discovered, Fedora Rawhide ships release candidates configured
> with a lot more debugging options set than it ships final releases. So,
> sadly, this didn't get fixed in v2.6.39. It just didn't show up because
> one or more configuration options weren't set while they used to be set
> in the preceding release candidates kernels.
>
> > 5f45c69589b7d ("read_lock() does not always imply rcu_read_lock()") might
> > well be a fix.
>
> It doesn't really matter anymore, but that one was actually already
> included in v2.6.39-rc5.
OK, so maybe time to try out the debug approaches I called out earlier?
Thanx, Paul
next prev parent reply other threads:[~2011-05-22 20:13 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 22:24 Mysterious CFQ crash and RCU Vivek Goyal
2011-05-21 21:00 ` Paul E. McKenney
2011-05-21 22:23 ` Paul Bolle
2011-05-21 23:54 ` Paul E. McKenney
2011-05-22 19:30 ` Paul Bolle
2011-05-22 20:13 ` Paul E. McKenney [this message]
2011-05-23 15:21 ` Vivek Goyal
2011-05-23 15:38 ` Paul E. McKenney
2011-05-23 22:20 ` Paul Bolle
2011-05-24 4:14 ` Paul E. McKenney
2011-05-24 9:41 ` Jens Axboe
2011-05-24 14:35 ` Paul E. McKenney
2011-05-24 14:51 ` Jens Axboe
2011-05-24 15:42 ` Paul E. McKenney
2011-05-24 15:51 ` Paul E. McKenney
2011-05-25 8:28 ` Paul Bolle
2011-05-25 8:46 ` Jens Axboe
2011-05-25 9:13 ` Paul Bolle
2011-05-25 9:30 ` Jens Axboe
2011-05-25 9:40 ` Paul Bolle
2011-05-25 12:48 ` Paul Bolle
2011-05-25 12:51 ` Jens Axboe
2011-05-25 17:28 ` Paul Bolle
2011-05-25 18:59 ` Jens Axboe
2011-05-25 10:17 ` Paul Bolle
2011-05-25 15:33 ` Paul E. McKenney
2011-05-25 17:44 ` Paul Bolle
2011-05-25 20:40 ` Paul E. McKenney
2011-05-26 9:15 ` Paul Bolle
2011-06-03 5:07 ` Paul E. McKenney
2011-06-03 13:45 ` Vivek Goyal
2011-06-03 15:33 ` Paul E. McKenney
2011-06-03 16:54 ` Paul E. McKenney
2011-06-04 12:22 ` Paul Bolle
2011-06-04 12:50 ` Paul Bolle
2011-06-04 16:03 ` Paul E. McKenney
2011-06-04 22:48 ` Paul Bolle
2011-06-04 23:06 ` Paul E. McKenney
2011-08-04 15:05 ` Vivek Goyal
2011-08-04 19:43 ` Jens Axboe
2011-08-04 19:51 ` Vivek Goyal
2011-06-05 6:56 ` Jens Axboe
2011-06-05 8:39 ` Paul Bolle
2011-06-05 10:38 ` Paul Bolle
2011-06-05 22:51 ` Jens Axboe
2011-06-06 14:28 ` Vivek Goyal
2011-05-23 15:36 ` Vivek Goyal
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