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Re: [BUG: NULL pointer dereference] cgroups and RT scheduling interact badly.
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From:
Dmitry Adamushko <dmitry.adamushko@...>
To: Peter Zijlstra <peterz@...>
Cc: Daniel K. <dk@...>, <mingo@...>, <menage@...>, Linux Kernel Mailing List <linux-kernel@...>
Subject:
Re: [BUG: NULL pointer dereference] cgroups and RT scheduling interact badly.
Date: Tuesday, June 17, 2008 - 5:03 pm
2008/6/17 Peter Zijlstra <peterz@infradead.org>:
quoted text
> 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 --
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Messages in current thread:
[BUG: NULL pointer dereference] cgroups and RT scheduling in...
, Daniel K.
, (Sat Jun 14, 6:26 pm)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Mon Jun 16, 6:34 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Daniel K.
, (Mon Jun 16, 9:14 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Mon Jun 16, 9:51 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Mon Jun 16, 10:39 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Daniel K.
, (Mon Jun 16, 11:11 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Mon Jun 16, 11:18 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Tue Jun 17, 4:49 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Daniel K.
, (Tue Jun 17, 8:25 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Tue Jun 17, 4:01 pm)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Daniel K.
, (Tue Jun 17, 5:48 pm)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Wed Jun 18, 7:50 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Daniel K.
, (Wed Jun 18, 9:35 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Wed Jun 18, 10:12 am)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Dmitry Adamushko
, (Tue Jun 17, 5:03 pm)
Re: [BUG: NULL pointer dereference] cgroups and RT schedulin...
, Peter Zijlstra
, (Tue Jun 17, 8:46 am)
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