From: Thomas Gleixner <tglx@linutronix.de>
To: Remy Bohmer <linux@bohmer.net>
Cc: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: System deadlock on 2.6.24-rt20 (-rt27 panics on locking-api-selftests)
Date: Sun, 5 Apr 2009 13:00:49 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.0904051257470.747@localhost.localdomain> (raw)
In-Reply-To: <3efb10970904030502q1068731fl5b92f93d5341b43e@mail.gmail.com>
On Fri, 3 Apr 2009, Remy Bohmer wrote:
> Hello Thomas,
>
> 2009/4/3 Remy Bohmer <linux@bohmer.net>:
> > Hello Thomas,
> >
> >>> Does anybody recognise these backtraces? And if so, is there a fix for
> >>> it already?
> >>
> >> http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.24.7-rt27.bz2
>
> I integrated -rt27, but this one fails on the locking api-selftests.
> Is this a bug in the selftest? Or is there a real locking bug behind
> it?
Don't think so. The rw locks fixups which we did between -rt20 and
-rt27 might have screwed the lockdep selftests where we create
deadlock situations. What happens if you disable the self tests ?
Thanks,
tglx
next prev parent reply other threads:[~2009-04-05 11:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-03 12:02 System deadlock on 2.6.24-rt20 (-rt27 panics on locking-api-selftests) Remy Bohmer
2009-04-05 11:00 ` Thomas Gleixner [this message]
2009-04-05 18:39 ` Remy Bohmer
2009-04-05 18:49 ` Thomas Gleixner
2009-04-05 19:00 ` Remy Bohmer
2009-04-05 19:09 ` Thomas Gleixner
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