Re: 2.6.39: crash w/threadirqs option enabled

From: Thomas Gleixner
Date: Fri May 20 2011 - 11:17:29 EST

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 ?


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