linux-kernel - Re: [patch] hrtimers debug patch

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Message-Id: <1174919635.4182.51.camel@chaos>
Date:	Mon, 26 Mar 2007 16:33:55 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Nick Piggin <npiggin@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Mingming Cao <cmm@...ibm.com>, Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	Oliver Pinter <oliver.pntr@...il.com>,
	Sid Boyce <g3vbv@...eyonder.co.uk>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [patch] hrtimers debug patch

On Mon, 2007-03-26 at 16:20 +0200, Michal Piotrowski wrote:
> >
> > I've got a crash dump, I'll try to figure out what is causing it ;)
> >
> 
> That might be useful
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc5/

Can you please upload a disassembly of hrtimer_interrupt() ?

I stared at hrtimer_interrupt() for quite a long time and I don't see
how it can leave without reprogramming the event, when there are timers
pending. And there are enough timers pending.

	tglx


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