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From: Jeff Garzik <jeff@garzik.org>
To: Chuck Ebbert <cebbert@redhat.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.23] tasks stuck in running state?
Date: Fri, 19 Oct 2007 18:03:05 -0400	[thread overview]
Message-ID: <47192999.6010607@garzik.org> (raw)
In-Reply-To: <47192763.9050004@redhat.com>

Chuck Ebbert wrote:
> On 10/19/2007 05:39 PM, Jeff Garzik wrote:
>> On my main devel box, vanilla 2.6.23 on x86-64/Fedora-7, I'm seeing a
>> certain behavior at least once a day.  I'll start a kernel build (make
>> -sj5 on this box), and it will "hang" in the following way:
>>
> 
> Can you try to strace the hanging task?

Well, to the system it's running, so that doesn't do much of anything...

> 
>  8482 pts/0    S+     0:00                          \_ /bin/sh /garz/repo/misc-2.6/scripts/hdrcheck.sh /garz/repo/misc-2.6/usr/include /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h /garz/repo/misc-2.6/usr/include/linux/.check.kernelcapi.h
>  8484 pts/0    R+     3:10                              \_ grep ^[ \t]*#[ \t]*include[ \t]*< /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h
>  8486 pts/0    S+     0:00                              \_ cut -f2 -d<
>  8487 pts/0    S+     0:00                              \_ cut -f1 -d>
>  8488 pts/0    S+     0:00                              \_ egrep ^linux|^asm
> [jgarzik@pretzel misc-2.6]$ strace -p8484
> Process 8484 attached - interrupt to quit
[sits there, chewing up CPU grepping a 47-line header file]

  reply	other threads:[~2007-10-19 22:03 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 [this message]
2007-10-19 22:18     ` Chuck Ebbert
2007-10-20  0:01       ` David Miller
2007-10-21 15:59         ` Chuck Ebbert
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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