From: "Paul Menage" <menage@google.com>
To: "Vegard Nossum" <vegard.nossum@gmail.com>
Cc: "Dmitry Adamushko" <dmitry.adamushko@gmail.com>,
"Paul Jackson" <pj@sgi.com>,
"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
miaox@cn.fujitsu.com,
"Linux Kernel" <linux-kernel@vger.kernel.org>
Subject: Re: current linux-2.6.git: cpusets completely broken
Date: Fri, 11 Jul 2008 12:36:41 -0700 [thread overview]
Message-ID: <6599ad830807111236t2bc9aa02ned59dcc58f14b1bf@mail.gmail.com> (raw)
In-Reply-To: <19f34abd0807111207q2ad2011csdb46c6f451fe0f6d@mail.gmail.com>
On Fri, Jul 11, 2008 at 12:07 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
>
> The result of having CPUSETS enabled as above is a 100% reproducible
> BUG on the very first cpu hot-unplug:
>
> ------------[ cut here ]------------
> kernel BUG at xxx/linux-2.6/kernel/sched.c:5859!
That doesn't quite match up with any BUG in 2.6.26-rc9 - what tree is
this last crash based on?
>
> Also, this is on the latest linux-2.6.git! Since we're so close to
> release, maybe cpusets should simply be marked BROKEN for now? (Unless
> we can fix it, of course. The alternative is to apply Miao Xie's
> workaround patch temporarily.)
If we were going to mark anything as broken, wouldn't cpu-hotplug be
the more appropriate victim? I suspect that there are more systems
using cpusets in production environments than using cpu hotplug. But
as you say, fixing it sounds better.
Paul
next prev parent reply other threads:[~2008-07-11 19:36 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 19:07 Vegard Nossum
2008-07-11 19:36 ` Paul Menage [this message]
2008-07-11 19:43 ` Vegard Nossum
2008-07-11 20:07 ` Max Krasnyansky
2008-07-11 23:03 ` Dmitry Adamushko
2008-07-11 23:19 ` Max Krasnyansky
2008-07-11 23:53 ` Dmitry Adamushko
2008-07-12 3:17 ` Vegard Nossum
2008-07-12 3:28 ` Linus Torvalds
2008-07-12 10:00 ` Miao Xie
2008-07-12 11:05 ` Dmitry Adamushko
2008-07-12 19:15 ` Linus Torvalds
2008-07-12 10:04 ` Dmitry Adamushko
2008-07-12 19:19 ` Max Krasnyansky
2008-07-12 20:10 ` Linus Torvalds
2008-07-12 21:30 ` Linus Torvalds
2008-07-12 22:07 ` Linus Torvalds
2008-07-12 22:43 ` Max Krasnyansky
2008-07-12 23:01 ` Linus Torvalds
2008-07-12 23:00 ` Vegard Nossum
2008-07-12 23:04 ` Linus Torvalds
2008-07-12 23:19 ` Dmitry Adamushko
2008-07-12 23:25 ` Dmitry Adamushko
2008-07-12 23:05 ` Dmitry Adamushko
2008-07-12 23:17 ` Linus Torvalds
2008-07-13 9:53 ` Dmitry Adamushko
2008-07-13 17:10 ` Linus Torvalds
2008-07-13 17:42 ` Ingo Molnar
2008-07-13 17:46 ` Linus Torvalds
2008-07-13 18:13 ` Dmitry Adamushko
2008-07-13 18:19 ` Ingo Molnar
2008-07-13 18:38 ` Linus Torvalds
2008-07-13 18:20 ` Linus Torvalds
2008-07-12 23:25 ` Vegard Nossum
2008-07-13 15:29 ` Andi Kleen
2008-07-14 15:49 ` Mike Travis
2008-07-14 22:38 ` Dmitry Adamushko
2008-07-14 23:05 ` Linus Torvalds
2008-07-15 0:00 ` Dmitry Adamushko
2008-07-15 0:23 ` Linus Torvalds
2008-07-15 2:21 ` Dmitry Adamushko
2008-07-15 3:03 ` Max Krasnyansky
2008-07-15 4:12 ` Linus Torvalds
2008-07-15 8:32 ` Ingo Molnar
2008-07-15 8:42 ` Max Krasnyansky
2008-07-15 8:57 ` Ingo Molnar
2008-07-15 9:12 ` Max Krasnyansky
2008-07-16 6:35 ` Max Krasnyansky
2008-07-16 7:10 ` Peter Zijlstra
2008-07-16 17:01 ` Max Krasnyansky
2008-07-15 3:23 ` Steven Rostedt
2008-07-15 3:36 ` Linus Torvalds
2008-07-15 3:47 ` Steven Rostedt
2008-07-15 4:04 ` Linus Torvalds
2008-07-15 4:16 ` Steven Rostedt
2008-07-12 10:45 Dmitry Adamushko
2008-07-12 11:14 ` Dmitry Adamushko
2008-07-13 0:10 ` Dmitry Adamushko
2008-07-13 8:50 ` Vegard Nossum
2008-07-13 9:41 ` Ingo Molnar
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