From: Peter Zijlstra <peterz@infradead.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Sachin Sant <sachinp@in.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: CPU offline/online related hang with latest git
Date: Sun, 20 Dec 2009 15:54:56 +0100 [thread overview]
Message-ID: <1261320896.4314.10.camel@laptop> (raw)
In-Reply-To: <20091220145151.GY4489@kernel.dk>
On Sun, 2009-12-20 at 15:51 +0100, Jens Axboe wrote:
> On Sun, Dec 20 2009, Peter Zijlstra wrote:
> > On Sun, 2009-12-20 at 15:34 +0530, Sachin Sant wrote:
> > > With 2.6.33-rc1-git1 (dd59f6c..) i am having trouble with
> > > CPU hotplug on multiple architectures. Trying to offline
> > > a CPU results in a machine hang.
> >
> > damnit, you're right.. it's getting stuck during hotplug on stop machine
> > some place.
> >
> > didn't notice it because it didn't crash..
> >
> > sorry for that :-(
>
> Perhaps this is also why suspend doesn't work on current -git... -rc1 is
> fine.
Yep, suspend relies on hotplug.
next prev parent reply other threads:[~2009-12-20 14:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-20 10:04 CPU offline/online related hang with latest git Sachin Sant
2009-12-20 13:31 ` Peter Zijlstra
2009-12-20 14:51 ` Jens Axboe
2009-12-20 14:54 ` Peter Zijlstra [this message]
2009-12-20 14:57 ` Jens Axboe
2009-12-20 15:00 ` Peter Zijlstra
2009-12-20 16:36 ` [PATCH] sched: Fix hotplug Peter Zijlstra
2009-12-20 22:14 ` Jens Axboe
2009-12-20 22:33 ` [tip:sched/urgent] sched: Fix hotplug hang tip-bot for Peter Zijlstra
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