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

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Message-ID: <6bffcb0e0703260742m5fa8fa62td2a65490c1c4a50a@mail.gmail.com>
Date:	Mon, 26 Mar 2007 16:42:19 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Thomas Gleixner" <tglx@...utronix.de>
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 26/03/07, Thomas Gleixner <tglx@...utronix.de> wrote:
> 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() ?

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc5/dis_hrtimer_interrupt

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc5/gdb.debug

>
> 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
>
>
>

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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