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From: Thomas Gleixner <tglx@linutronix.de>
To: Alex Riesen <fork0@users.sourceforge.net>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
	Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>
Subject: Re: 2.6.20-git13 kernel BUG at /mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168
Date: Sat, 17 Feb 2007 19:24:55 +0100	[thread overview]
Message-ID: <1171736695.30834.143.camel@localhost.localdomain> (raw)
In-Reply-To: <20070217164652.GA2579@steel.home>

On Sat, 2007-02-17 at 17:46 +0100, Alex Riesen wrote:
> > Can you please apply the patch below, so we can at least see, which
> > softirq is pending. This should trigger independently of hrtimers and
> > dynticks. You can keep it compiled in and disable it at the kernel
> > commandline with "nohz=off" and / or "highres=off"
> 
> It did, only one time:
> 
> Idle: local softirq pending: 0020<6>USB Universal Host Controller Interface driver v3.0

0x20 is the TASKLET_SOFTIRQ. I have no idea yet, how this can happen.

Can you please check, if this happens when you add "nohz=off" to the
kernel command line.

	tglx






  parent reply	other threads:[~2007-02-17 18:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-16 20:38 Michal Piotrowski
2007-02-16 21:22 ` Thomas Gleixner
2007-02-16 21:24   ` Michal Piotrowski
     [not found]   ` <20070217144752.GA2503@steel.home>
2007-02-17 15:14     ` Thomas Gleixner
     [not found]       ` <20070217164652.GA2579@steel.home>
2007-02-17 18:24         ` Thomas Gleixner [this message]
2007-02-17 22:41         ` Michal Piotrowski
2007-02-18  8:41           ` Thomas Gleixner
     [not found]             ` <20070218095037.GA3408@steel.home>
2007-02-18 12:36               ` Thomas Gleixner
     [not found]                 ` <20070218172410.GA2421@steel.home>
2007-02-19  1:00                   ` Michal Piotrowski
2007-02-21 12:18           ` Michal Piotrowski

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