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Message-ID: <20091220145715.GZ4489@kernel.dk> Date: Sun, 20 Dec 2009 15:57:15 +0100 From: Jens Axboe <jens.axboe@...cle.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Sachin Sant <sachinp@...ibm.com>, linux-kernel <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, Heiko Carstens <heiko.carstens@...ibm.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org> Subject: Re: CPU offline/online related hang with latest git On Sun, Dec 20 2009, Peter Zijlstra wrote: > 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. Exactly, hence the connection. Shall I bisect, or do you already know what the problem is? -- Jens Axboe -- 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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