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Re: [Xen-devel] cpu.c BUG, Xen or hardware failure?

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] cpu.c BUG, Xen or hardware failure?
From: Thiago Camargo Martins Cordeiro <thiagocmartinsc@xxxxxxxxx>
Date: Sun, 30 Aug 2009 22:58:14 -0300
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
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The "make prep-kernels" will get this version via mercurial when it arrives?

Thanks!
Thiago

2009/8/30 Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
This may be fixed by linux-2.6.18-xen.hg:931. Give it a go.

 -- Keir

On 29/08/2009 23:45, "Thiago Camargo Martins Cordeiro"
<thiagocmartinsc@xxxxxxxxx> wrote:

> Hi!
>
>  Today one of my domU is showing the following message at the xvc0 console:
>
> BUG: warning at
> /home/administrativo/xen-3.3.2/linux-2.6.18-xen.hg/kernel/cpu.c:53/unlock_cpu_
> hotplug()
>
> Call Trace:
>  [<ffffffff80248c7a>] unlock_cpu_hotplug+0x3f/0x6c
>  [<ffffffff802295b2>] sched_getaffinity+0x7e/0x90
>  [<ffffffff8024f281>] compat_sys_sched_getaffinity+0x1d/0x4a
>  [<ffffffff8021ebda>] sysenter_do_call+0x1b/0x25
>
> BUG: warning at
> /home/administrativo/xen-3.3.2/linux-2.6.18-xen.hg/kernel/cpu.c:53/unlock_cpu_
> hotplug()
>
> Call Trace:
>  [<ffffffff80248c7a>] unlock_cpu_hotplug+0x3f/0x6c
>  [<ffffffff802295b2>] sched_getaffinity+0x7e/0x90
>  [<ffffffff8024f281>] compat_sys_sched_getaffinity+0x1d/0x4a
>  [<ffffffff8021ebda>] sysenter_do_call+0x1b/0x25
>
>  This can be the root of some weird problems with the domU...
>
>  This is a hardware failure or Xen BUG?!
>
> Thanks,
> Thiago
>



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