From: Andi Kleen <andi@firstfloor.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Mark Langsdorf <mark.langsdorf@amd.com>,
Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, Greg KH <greg@kroah.com>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: Warning in during hotplug on 2.6.27-rc2-git5
Date: Thu, 14 Aug 2008 18:34:50 +0200 [thread overview]
Message-ID: <20080814163450.GA13814@one.firstfloor.org> (raw)
In-Reply-To: <200808141753.58547.rjw@sisk.pl>
On Thu, Aug 14, 2008 at 05:53:57PM +0200, Rafael J. Wysocki wrote:
> On Wednesday, 13 of August 2008, Mark Langsdorf wrote:
> > I'm seeing the following error message when I hotunplug and replug
> > a cpu in 2.6.27-rc2-git5. The system becomes unstable almost
> > immediately afterwards.
>
> Hm, it seems that MCE is involved somehow. Andi, can you have a look at this,
> please?
FWIW the mce code here actually hasn't changed for a long time.
> > ------------[ cut here ]------------
> > WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x33/0x39()
> > sysfs: duplicate filename 'machinecheck4' can not be created
The only way I could see that happening if CPU_DEAD/CPU_ONLINE
is not properly balanced.
-Andi
next prev parent reply other threads:[~2008-08-14 16:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-12 22:00 Mark Langsdorf
2008-08-14 15:53 ` Rafael J. Wysocki
2008-08-14 16:06 ` Langsdorf, Mark
2008-08-14 16:34 ` Andi Kleen [this message]
2008-08-14 18:35 ` Langsdorf, Mark
2008-08-16 19:28 ` Rafael J. Wysocki
2008-08-16 20:18 ` Greg KH
2008-08-16 21:34 ` Rafael J. Wysocki
2008-08-18 15:32 ` Langsdorf, Mark
2008-08-17 2:23 ` Andi Kleen
2008-08-17 17:25 ` Rafael J. Wysocki
2008-08-17 19:23 ` Rafael J. Wysocki
2008-08-17 2:25 ` Andi Kleen
2008-08-17 21:53 ` Rafael J. Wysocki
2008-08-18 13:11 ` Langsdorf, Mark
2008-08-18 14:38 ` Rafael J. Wysocki
2008-08-18 16:29 ` Langsdorf, Mark
2008-08-18 16:42 ` Rafael J. Wysocki
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