Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Boris Derzhavets wrote:
>   Seems like new kernel brought up back some old issues with ubuntu 8.10
> devices. It never happened before patching 2.6.29-rc7 kernel on C2D 
> boxes with the same ubuntu 8.10 server release and 2.6.29-rc5.
>   In particular, CentOS 5.2 PV DomU's xen-hotplug.log looks like:-
>
> xenstore-read: couldn't read path /local/domain/2/vm
> xenstore-read: couldn't read path /local/domain/9/vm
> xenstore-read: couldn't read path /local/domain/3/vm
> xenstore-read: couldn't read path /local/domain/4/vm
>  
>  Either xen-tools (or whatever else in xen unstable) requires correlation
> with patched kernel.
Ah, I noticed that too, but I don't see any obvious changes which might 
have caused this.  Time to pull out "git bisect" I think.
   J

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