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From: Dhaval Giani <dhaval@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Balbir Singh <balbir@in.ibm.com>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org
Subject: Re: System hangs on running kernbench
Date: Wed, 18 Jul 2007 15:11:42 +0530	[thread overview]
Message-ID: <20070718094142.GA12330@linux.vnet.ibm.com> (raw)
In-Reply-To: <20070718010700.1ca7fd9f.akpm@linux-foundation.org>

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@linux.vnet.ibm.com> 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!

  reply	other threads:[~2007-07-18  9:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-18  7:56 System hangs on running kernbench Dhaval Giani
2007-07-18  8:07 ` Andrew Morton
2007-07-18  9:41   ` Dhaval Giani [this message]
2007-07-18 14:46     ` Dhaval Giani
2007-07-19  6:28       ` Dhaval Giani
2007-07-19  6:34         ` Dhaval Giani
2007-07-18 15:08     ` Chuck Ebbert
2007-07-19  4:47       ` Dhaval Giani
2007-07-24  7:13 ` Srivatsa Vaddagiri
2007-07-24  8:19   ` Ingo Molnar

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