lkml.org 
[lkml]   [2014]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: GPF in intel_pmu_lbr_reset() with qemu -cpu host
On Fri, Mar 21, 2014 at 06:42:40PM +0100, Peter Wu wrote:
> Hi,
>
> While trying to run QEMU with `-enable-kvm -host cpu`, I get a GPF in
> intel_pmu_lbr_reset():

Same problem as the RAPL problem earlier. KVM is lying to the guest
that it is a host CPU, but not implementing all MSRs the host
CPU supports.

KVM should really return 0 on unknown MSRs not #GP

-Andi


\
 
 \ /
  Last update: 2014-03-21 20:41    [W:0.053 / U:2.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site