linux-kernel - Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]

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Message-ID: <alpine.LFD.0.99999.0801111048550.5109@localhost.localdomain>
Date:	Fri, 11 Jan 2008 10:50:07 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Parag Warudkar <parag.warudkar@...il.com>
cc:	Len Brown <lenb@...nel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]

On Thu, 10 Jan 2008, Parag Warudkar wrote:

> On Jan 9, 2008 6:56 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
> 
> > Can you apply the patch below + the debug patch which prints the timer
> > stats on softlockup and provide the output of this.
> 
> Applied to today's git and running for 21 hours - no recurrence yet
> even with 1.2 wakeups per second.
> 
> I will re-open this thread if it bites again.

Would be interesting which commit fixed that problem. I'm a bit
worried about self healing bugs.

	tglx
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