From: Chuck Ebbert <cebbert@redhat.com>
To: David Miller <davem@davemloft.net>
Cc: jeff@garzik.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [2.6.23] tasks stuck in running state?
Date: Sun, 21 Oct 2007 11:59:14 -0400 [thread overview]
Message-ID: <471B7752.7050306@redhat.com> (raw)
In-Reply-To: <20071019.170140.45897518.davem@davemloft.net>
On 10/19/2007 08:01 PM, David Miller wrote:
>
> What might be appropriate is just to get a one-line program counter
> dump on every cpu via some new sysrq keystroke.
>
IIRC -mm had something like this but it was buggy because we were
sending IPIs to each processor asking them to print their state.
Maybe it would work if we had a way of making them dump their
state to a memory location and then collected and printed it from
the CPU that's handling the sysrq.
next prev parent reply other threads:[~2007-10-21 15:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-19 21:39 [2.6.23] tasks stuck in running state? Jeff Garzik
2007-10-19 21:53 ` Chuck Ebbert
2007-10-19 22:03 ` Jeff Garzik
2007-10-19 22:18 ` Chuck Ebbert
2007-10-20 0:01 ` David Miller
2007-10-21 15:59 ` Chuck Ebbert [this message]
2007-10-21 19:52 ` David Miller
2007-10-21 17:25 ` Dmitry Adamushko
2007-10-21 17:34 ` Dmitry Adamushko
2007-10-20 1:08 ` Ray Lee
2007-10-21 20:11 ` ext3 deadlock or " Guennadi Liakhovetski
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