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From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, colpatch@us.ibm.com
Subject: Re: mm3 hang
Date: Wed, 04 Jun 2003 14:43:07 -0700	[thread overview]
Message-ID: <1282280000.1054762987@flay> (raw)
In-Reply-To: <3EDE68F8.7DF2D0AC@digeo.com>

--On Wednesday, June 04, 2003 14:47:36 -0700 Andrew Morton <akpm@digeo.com> wrote:

> "Martin J. Bligh" wrote:
>> 
>> SDET hangs it every few runs.
> 
> You have a large number of `ps' instances which appear to be
> stuck on /proc's i_sem and lots of processes stuck in
> sched_balance_exec->set_cpus_allowed->wait_for_completion.

OK, thanks. I'm getting several different hangs, so getting confused ;-)

> The latter is a NUMA-special.  You might want to examine the
> sched_best_cpu() fixes carefully.  

Mmm. those looked like they were only for nodes with no cpus ... matt?

> Also see whether 2.5.70+bk does the same thing.

Good point - will try that.

Thanks,

M.



  reply	other threads:[~2003-06-04 21:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-04 20:32 mm3 hang Martin J. Bligh
2003-06-04 21:47 ` Andrew Morton
2003-06-04 21:43   ` Martin J. Bligh [this message]
2003-06-04 22:19     ` Matthew Dobson

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