[systemd-devel] [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c

[fykcee1 at gmail.com]

Just mention it, Peter wrote a patch(
https://groups.google.com/d/msg/linux-kernel-proxy/-eAPuf_OcmI/mD81JdSzxckJ),
and it works for me.

2010/12/23 fykcee1 at gmail.com <fykcee1 at gmail.com>

> Hi all,
>
> I encountered kernel panic with systemd too, but not sure is related with
> this thread. The Call Trace mentions pick_next_task_fair:
> http://dev.lemote.com/files/upload/people/~chenj/systemd-crash/DSC00163.JPG<http://dev.lemote.com/files/upload/people/%7Echenj/systemd-crash/DSC00163.JPG>
>
>
> <http://dev.lemote.com/files/upload/people/%7Echenj/systemd-crash/DSC00163.JPG>It
> was a debian sequeeze installed a vanilla kernel 2.6.36.2 and systemd (v15
> with sysv-compat disabled), running on Fuloong 2f box(
> http://www.linux-mips.org/wiki/Fuloong). When start up finished, I pressed
> a key, then kernel panic. It was not produceable each time.
>
> ----
> config:
> http://dev.lemote.com/files/upload/people/~chenj/systemd-crash/config-2.6.36.2<http://dev.lemote.com/files/upload/people/%7Echenj/systemd-crash/config-2.6.36.2>
> systemd-debs:
> http://dev.lemote.com/files/upload/people/~chenj/systemd-crash/debs/<http://dev.lemote.com/files/upload/people/%7Echenj/systemd-crash/debs/>
> Howto deploy systemd on debian:
> http://dev.lemote.com/files/upload/people/~chenj/systemd-crash/README<http://dev.lemote.com/files/upload/people/%7Echenj/systemd-crash/README>
>
>
> 2010/12/22 Mike Galbraith <efault at gmx.de>
>
> On Wed, 2010-12-22 at 09:29 +0100, Peter Zijlstra wrote:
>> > On Wed, 2010-12-22 at 01:22 +0100, Miklos Vajna wrote:
>> > > Please let me know if you need more info.
>> >
>> > What distro are you using? it looks like systemd is involved and I'm
>> > actively avoiding anything using that crap.
>>
>> Heh, gearing up to hunt a bug it triggers, just doing all I had to do to
>> get the thing built and installed blew my box _all up_.  I still have
>> smoldering bits lying about a week later.
>>
>>        -Mike
>>
>> _______________________________________________
>> systemd-devel mailing list
>> systemd-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/systemd-devel
>>
>
>
>
> --
> Regards,
>
> - cee1
>
>


-- 
Regards,

- cee1
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