From: "Dmitry Adamushko" <dmitry.adamushko@gmail.com>
To: "Peter Zijlstra" <peterz@infradead.org>
Cc: "Daniel K." <dk@uw.no>,
mingo@elte.hu, menage@google.com,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [BUG: NULL pointer dereference] cgroups and RT scheduling interact badly.
Date: Tue, 17 Jun 2008 23:03:21 +0200 [thread overview]
Message-ID: <b647ffbd0806171403o327c1b93v8ffb2593d30e3ba3@mail.gmail.com> (raw)
In-Reply-To: <1213732878.3223.95.camel@lappy.programming.kicks-ass.net>
2008/6/17 Peter Zijlstra <peterz@infradead.org>:
> On Tue, 2008-06-17 at 14:25 +0200, Daniel K. wrote:
>> Peter Zijlstra wrote:
>> > How's this [patch] work for you? (includes the previuos patchlet too)
>>
>> Thanks,
>>
>> this patch fixed the obvious problem, namely
>>
>> # echo $$ > /dev/cgroup/burn/oops/tasks
>> # schedtool -R -p 1 -e burnP6 &
>>
>> now works again. However, the last step below
>>
>> # echo $$ > /dev/cgroup/tasks
>> # burnP6 &
>> [1] 3414
>> # echo 3414 > /dev/cgroup/burn/oops/tasks
>> # schedtool -R -p 1 3414
>>
>> gives this new and shiny Oops instead.
>
> Whilst I'm gracious for your testing, I truly hope you're done breaking
> my stuff ;-)
>
> How's this for you?
FYI, I could reproduce a crash and this patch fixes it indeed.
--
Best regards,
Dmitry Adamushko
next prev parent reply other threads:[~2008-06-17 21:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-14 22:26 Daniel K.
2008-06-16 10:34 ` Peter Zijlstra
2008-06-16 13:14 ` Daniel K.
2008-06-16 13:51 ` Peter Zijlstra
2008-06-16 14:39 ` Peter Zijlstra
2008-06-16 15:11 ` Daniel K.
2008-06-16 15:18 ` Peter Zijlstra
2008-06-17 8:49 ` Peter Zijlstra
2008-06-17 12:25 ` Daniel K.
2008-06-17 12:46 ` Peter Zijlstra
2008-06-17 20:01 ` Peter Zijlstra
2008-06-17 21:03 ` Dmitry Adamushko [this message]
2008-06-17 21:48 ` Daniel K.
2008-06-18 11:50 ` Peter Zijlstra
2008-06-18 13:35 ` Daniel K.
2008-06-18 14:12 ` Peter Zijlstra
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