amd64/175780: Crash on KVM boot due to xsave instruction issue
jhb at freebsd.org
Thu Feb 27 14:52:52 UTC 2014
On Wednesday, February 26, 2014 5:10:01 pm Sean M. Collins wrote:
> The following reply was made to PR amd64/175780; it has been noted by GNATS.
> From: "Sean M. Collins" <sean at coreitpro.com>
> To: bug-followup at FreeBSD.org;, kaloqn.ganchev at gmail.com
> Subject: Re: amd64/175780: Crash on KVM boot due to xsave instruction issue
> Date: Wed, 26 Feb 2014 16:37:38 -0500
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> I also recently hit this issue when trying to launch a FreeBSD
> 10-RELEASE guest in an OpenStack environment, with
> Ubuntu 12.04 LTS hypervisors that use KVM.
> Did a quick google, and saw this message from the LKML:
I don't know that that is relevant. That change effects the size of
the save area returned, but it does not fix the fact that the cpuid
is returning no features supported at all for xcr0.
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