linux-kernel - Re: irq0 stops working

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Message-ID: <47301491.3020502@sw.ru>
Date:	Tue, 06 Nov 2007 10:15:29 +0300
From:	Vasily Averin <vvs@...ru>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>, devel@...nvz.org
Subject: Re: irq0 stops working

Thomas Gleixner wrote:
> On Tue, 9 Oct 2007, Vasily Averin wrote:
>> On one of our servers timer interrupts (i.e irq0) are stops working. As result
>> any kernel timers do not triggers and tasks waiting some signals from timers
>> hangs forever.
>>
>> Also I've found that disable of irqbalance service on the node helps to
>> workaround this issue, however of course it fixes nothing.
> 
> Well, it's at least a hint. Can you try the patch below please ?

Patch helps, after 1-month-long testing I could not reproduce this issue again,
what are we going to do now?

Unfortunately my test node is still unstable, now it reproduces sata timeout
issue, details are here:
http://bugzilla.kernel.org/show_bug.cgi?id=8650

Thank you,
	Vasily Averin
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