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From: Ingo Molnar <mingo@elte.hu>
To: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
Cc: Gabriel C <nix.or.die@googlemail.com>,
	Carsten Emde <carsten.emde@osadl.org>,
	"jcaceres@ccrma.Stanford.EDU" <jcaceres@ccrma.Stanford.EDU>,
	Steven Rostedt <rostedt@goodmis.org>,
	RT-Users <linux-rt-users@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Rui Nuno Capela <rncbc@rncbc.org>
Subject: Re: v2.6.21.5-rt19 (sched_getaffinity?)
Date: Tue, 17 Jul 2007 21:32:23 +0200	[thread overview]
Message-ID: <20070717193223.GJ26283@elte.hu> (raw)
In-Reply-To: <1183957703.12681.4.camel@cmn3.stanford.edu>


* Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU> wrote:

> I do get flash 9 (I know, not the best example) and tomboy to hang as 
> reported by one of my Planet CCRMA users - flash 9 tested working on 
> stock fedora 7 kernel - and both seem to hang in the same system call:
> 
> sched_getaffinity(3528, 32, <unfinished ...>
> 
> Full output of strace attached for both cases.

hm, that's weird. Is it completely unkillable at that time? Could you do 
a few things: enable CONFIG_PROVE_LOCKING (lockdep), and also try to get 
a full task state dump via:

  echo t > /proc/sysrq-trigger

thanks,

	Ingo

  reply	other threads:[~2007-07-17 19:33 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-04 20:49 v2.6.21.5-rt19 Thomas Gleixner
2007-07-06 14:10 ` v2.6.21.5-rt19 Rui Nuno Capela
2007-07-06 21:49   ` v2.6.21.5-rt19 Fernando Lopez-Lezcano
2007-07-07  9:15     ` v2.6.21.5-rt19 Ingo Molnar
2007-07-07  9:24     ` v2.6.21.5-rt19 Ingo Molnar
2007-07-08 22:36       ` v2.6.21.5-rt19 Fernando Lopez-Lezcano
2007-07-08 22:50         ` v2.6.21.5-rt19 Fernando Lopez-Lezcano
2007-07-08 23:42         ` v2.6.21.5-rt19 Gabriel C
2007-07-09  3:53           ` v2.6.21.5-rt19 Fernando Pablo Lopez-Lezcano
2007-07-09  5:08             ` v2.6.21.5-rt19 (sched_getaffinity?) Fernando Lopez-Lezcano
2007-07-17 19:32               ` Ingo Molnar [this message]
2007-07-17 19:47                 ` Fernando Lopez-Lezcano
2007-07-17 19:56                 ` Fernando Lopez-Lezcano
2007-07-17 20:12                   ` Ingo Molnar
2007-07-17 21:41                     ` Fernando Lopez-Lezcano
2007-07-17 23:51                     ` Fernando Lopez-Lezcano
2007-07-18  7:18                       ` Ingo Molnar
2007-07-18 13:21                         ` Paul E. McKenney
2007-07-18 18:02                         ` Fernando Lopez-Lezcano

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