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Re: [Xen-devel] Kernel Warning

To: Carsten Schiers <carsten@xxxxxxxxxx>
Subject: Re: [Xen-devel] Kernel Warning
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Thu, 25 Aug 2011 20:39:48 +0100
Cc: Xen-devel <Xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Thu, 2011-08-25 at 20:31 +0100, Carsten Schiers wrote:
> Is that a Xen thing that anybody's interested in?

It's a harmless warning but it gets reported a lot and it taints the
kernel which causes some confusion is there is subsequently another
error. I proposed toning it down a bit a couple of days ago:
http://marc.info/?l=xen-devel&m=131400621622691

Ian.

> 
> BR,
> Carsten.
> 
> [    0.011657] ------------[ cut here ]------------
> [    0.011734] WARNING: at arch/x86/xen/enlighten.c:729 
> init_hw_perf_events+0x337/0x3d7()
> [    0.011834] Hardware name: M56S-S3
> [    0.011908] Modules linked in:
> [    0.012000] Pid: 0, comm: swapper Not tainted 2.6.32.44-xen-amd64 #6
> [    0.012000] Call Trace:
> [    0.012000]  [<ffffffff8104d70f>] ? warn_slowpath_common+0x76/0x8c
> [    0.012000]  [<ffffffff814e216e>] ? init_hw_perf_events+0x337/0x3d7
> [    0.012000]  [<ffffffff814e1c7b>] ? identify_boot_cpu+0x15/0x3d
> [    0.012000]  [<ffffffff814e1e12>] ? check_bugs+0x9/0x2e
> [    0.012000]  [<ffffffff814dace3>] ? start_kernel+0x3cb/0x3e5
> [    0.012000]  [<ffffffff814dcba9>] ? xen_start_kernel+0x5e1/0x5e7
> [    0.012000] ---[ end trace a7919e7f17c0a725 ]---
> 
> 
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