[Bug 1561019] [NEW] copied cpu flags don't match host cpu

[Felipe Reyes]

Public bug reported:

Using wily (libvirt 1.2.16-2ubuntu11.15.10.3) in a AMD FX-8350 nested
KVM doesn't work, unless in the definition of the vm the cpu is
configured with  mode='host-passthrough', for other CPUs the
manifestation could be different.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: libvirt-bin 1.2.16-2ubuntu11.15.10.3
ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Wed Mar 23 11:20:11 2016
InstallationDate: Installed on 2014-12-06 (472 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: libvirt
UpgradeStatus: Upgraded to wily on 2016-03-08 (14 days ago)
modified.conffile..etc.apparmor.d.usr.lib.libvirt.virt.aa.helper: [modified]
modified.conffile..etc.libvirt.qemu.conf: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu.conf']
modified.conffile..etc.libvirt.qemu.networks.default.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu/networks/default.xml']
mtime.conffile..etc.apparmor.d.usr.lib.libvirt.virt.aa.helper: 2016-03-14T13:22:07.751461

** Affects: libvirt
     Importance: Unknown
         Status: Unknown

** Affects: libvirt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages wily

** Bug watch added: Red Hat Bugzilla #870071
   https://bugzilla.redhat.com/show_bug.cgi?id=870071

** Also affects: libvirt via
   https://bugzilla.redhat.com/show_bug.cgi?id=870071
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1561019

Title:
  copied cpu flags don't match host cpu

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