linux-kernel - Re: 2.6.39: crash w/threadirqs option enabled

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Message-ID: <alpine.LFD.2.02.1105201712501.3078@ionos>
Date:	Fri, 20 May 2011 17:17:23 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
cc:	linux-kernel@...r.kernel.org, Alan Piszcz <ap@...arrain.com>
Subject: Re: 2.6.39: crash w/threadirqs option enabled

On Fri, 20 May 2011, Justin Piszcz wrote:
> On Fri, 20 May 2011, Thomas Gleixner wrote:
> > Does it crash right away or just when doing something particular?
> It crashed at 2100, this is when I run a few I/O intensive processes:
> - backup (dump ext4 filesystem -> to a separate raid device)
> - backup (dump ext4 on remote host -> to separate raid device)
> - backup (dump xfs on remote host -> to separate raid device)
> 
> This looks like it is what caused it to crash.

That narrows it down somewhat, but does not give us a clue at all :(
 
> > Is the box fully dead after the crash ?
> The host was online and I went away for awhile, when I came back the system
> had rebooted on its own (as I lost all of my X windows/etc).

Hmm. Did you have panic_timeout set ?

Thanks,

	tglx
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