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Message-ID: <b647ffbd0806171403o327c1b93v8ffb2593d30e3ba3@mail.gmail.com> Date: Tue, 17 Jun 2008 23:03:21 +0200 From: "Dmitry Adamushko" <dmitry.adamushko@...il.com> To: "Peter Zijlstra" <peterz@...radead.org> Cc: "Daniel K." <dk@...no>, mingo@...e.hu, menage@...gle.com, "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org> Subject: Re: [BUG: NULL pointer dereference] cgroups and RT scheduling interact badly. 2008/6/17 Peter Zijlstra <peterz@...radead.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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