From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>
Cc: Mikael Pettersson <mikpe@it.uu.se>,
linux-kernel@vger.kernel.org, tglx@linutronix.de
Subject: Re: [BUG 2.6.29] NMI watchdog triggered in rb_insert_color called from enqueue_hrtimer
Date: Wed, 08 Apr 2009 11:49:05 +0200 [thread overview]
Message-ID: <1239184146.24828.1366.camel@twins> (raw)
In-Reply-To: <20090408092452.GA26121@elte.hu>
On Wed, 2009-04-08 at 11:24 +0200, Ingo Molnar wrote:
> * Mikael Pettersson <mikpe@it.uu.se> wrote:
>
> > Less than an hour after updating a dual Opteron 8384 box from
> > 2.6.29-rc6 (which it had been running for weeks) to 2.6.29 final
> > it died with the following watchdog-detected lockup:
>
> Could you please check whether this is the bug fixed by:
>
> 7f1e2ca: hrtimer: fix rq->lock inversion (again)
Doesn't look like rq->lock recursion, but its worth a try.
Also, hrtimer_wakeup() isn't a self-rearming timer, so its unlikely to
get stuck in a loop, oddness.
next prev parent reply other threads:[~2009-04-08 9:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 9:12 [BUG 2.6.29] NMI watchdog triggered in rb_insert_color called from enqueue_hrtimer Mikael Pettersson
2009-04-08 9:24 ` Ingo Molnar
2009-04-08 9:49 ` Peter Zijlstra [this message]
2009-04-08 11:29 ` Mikael Pettersson
2009-04-09 12:02 ` Mikael Pettersson
2009-04-10 13:10 ` Ingo Molnar
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