Re: Warning in during hotplug on 2.6.27-rc2-git5

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To: Rafael J. Wysocki <rjw@...>

Cc: Mark Langsdorf <mark.langsdorf@...>, Andi Kleen <andi@...>, <linux-kernel@...>, Greg KH <greg@...>, Ingo Molnar <mingo@...>, Andrew Morton <akpm@...>

Subject: Re: Warning in during hotplug on 2.6.27-rc2-git5

Date: Thursday, August 14, 2008 - 12:34 pm

On Thu, Aug 14, 2008 at 05:53:57PM +0200, Rafael J. Wysocki wrote:
quoted text> 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.


quoted text> > ------------[ 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
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Messages in current thread:

Warning in during hotplug on 2.6.27-rc2-git5, Mark Langsdorf, (Tue Aug 12, 6:00 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Thu Aug 14, 11:53 am)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Andi Kleen, (Thu Aug 14, 12:34 pm)

RE: Warning in during hotplug on 2.6.27-rc2-git5, Langsdorf, Mark, (Thu Aug 14, 2:35 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Sun Aug 17, 5:53 pm)

RE: Warning in during hotplug on 2.6.27-rc2-git5, Langsdorf, Mark, (Mon Aug 18, 9:11 am)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Mon Aug 18, 10:38 am)

RE: Warning in during hotplug on 2.6.27-rc2-git5, Langsdorf, Mark, (Mon Aug 18, 12:29 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Mon Aug 18, 12:42 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Andi Kleen, (Sat Aug 16, 10:25 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Sat Aug 16, 3:28 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Greg KH, (Sat Aug 16, 4:18 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Andi Kleen, (Sat Aug 16, 10:23 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Sun Aug 17, 1:25 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Sun Aug 17, 3:23 pm)

Re: Warning in during hotplug on 2.6.27-rc2-git5, Rafael J. Wysocki, (Sat Aug 16, 5:34 pm)

RE: Warning in during hotplug on 2.6.27-rc2-git5, Langsdorf, Mark, (Mon Aug 18, 11:32 am)

RE: Warning in during hotplug on 2.6.27-rc2-git5, Langsdorf, Mark, (Thu Aug 14, 12:06 pm)


linux-kernel:
Linus Torvalds	Linux 2.6.21
Greg Kroah-Hartman	[PATCH 002/196] Chinese: rephrase English introduction in HOWTO
Con Kolivas	Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2
Andrew Morton	echo mem > /sys/power/state
git:

linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
David Miller	Re: [GIT]: Networking
Michael S. Tsirkin	Re: [RFC PATCH v2 03/19] vbus: add connection-client helper infrastructure
openbsd-misc:

Re: Warning in during hotplug on 2.6.27-rc2-git5

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