Re: [Xen-devel] (XEN) traps.c:2430:d0 Domain attempted WRMSR 00000000c0010000 from 0x0000000000430076 to 0x0000000000030076.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Aug 15, 2011 at 08:40:36AM +0100, Jan Beulich wrote:
> >>> On 14.08.11 at 15:48, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> > You can specify guest_loglvl=error to turn off warning messages, but that
> > would turn off other messages that might actually be interesting.
> > Alternatively you'd have to disable the message in source code and rebuild
> > the hypervisor. Possibly we should reduce this message to debug loglevel
> > rather than warning logelevel: I agree the message is very much not a
> > rarity.
> 
> I tend to disagree - the kernel shouldn't really attempt these writes.
> One of the things addressing of which is more cumbersome in pv-ops
> (which I assume is in use here) than "classic" kernels.

It might be good to find out what those calls are and see about actually
fixing it.

> 
> Jan
> 
> > On 14/08/2011 12:08, "Mark Schneider" <ms@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> > 
> >> Hello,
> >> 
> >> Where can I switch the following message off?
> >> (XEN) traps.c:2430:d0 Domain attempted WRMSR 00000000c0010000 from
> >> 0x0000000000430076 to 0x0000000000030076.
> >> 
> >> There are many such messages in the output of "xm dmesg". What is the
> >> reason?
> >> Is it for debugging purposes or just an issue with my hardware? (HP
> >> DL385g7 / AMD CPUs)
> >> 
> >> Thank you / regards, Mark
> > 
> > 
> > 
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> > Xen-devel@xxxxxxxxxxxxxxxxxxx 
> > http://lists.xensource.com/xen-devel 
> 
> 
> 
> 
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