Re: System hangs on running kernbench

From: Dhaval Giani
Date: Wed Jul 18 2007 - 05:46:17 EST


On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote:
> On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote:
>
> > I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck
> > alert (This is when kernbench reached make -j).
>
> hm, never had a report of that before. It's the first time I've seen
> hangcheck produce anything useful, frankly.
>
> Was the softlockup detector not enabled?

I notice CONFIG_DETECT_SOFTLOCKUP=y
>
> > Also make -j is hanging.
>
> Please try to capture the full sysrq-T output when it is hung.

Available at http://dhaval.giani.googlepages.com/sysrq-t-trace.bz2

In the meantime I will go and check if it was there in 2.6.22-rc4-mm2

--
regards,
Dhaval

I would like to change the world but they don't give me the source code!
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