Public bug reported: Setting the CPU model to Westmere (Intel Xeon server CPU) is not possible.
libvirt uses 'core2duo' as fallback: https://bugzilla.redhat.com/show_bug.cgi?id=708927 $ qemu -cpu ? x86 [n270] x86 [athlon] x86 [pentium3] x86 [pentium2] x86 [pentium] x86 [486] x86 [coreduo] x86 [kvm32] x86 [qemu32] x86 [kvm64] x86 [core2duo] x86 [phenom] x86 [qemu64] $ qemu --version QEMU emulator version 1.0 (Debian 1.0+dfsg-3), Copyright (c) 2003-2008 Fabrice Bellard ** Affects: qemu Importance: Undecided Status: New -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/928676 Title: QEMU does not support Westmere (Intel Xeon) CPU model Status in QEMU: New Bug description: Setting the CPU model to Westmere (Intel Xeon server CPU) is not possible. libvirt uses 'core2duo' as fallback: https://bugzilla.redhat.com/show_bug.cgi?id=708927 $ qemu -cpu ? x86 [n270] x86 [athlon] x86 [pentium3] x86 [pentium2] x86 [pentium] x86 [486] x86 [coreduo] x86 [kvm32] x86 [qemu32] x86 [kvm64] x86 [core2duo] x86 [phenom] x86 [qemu64] $ qemu --version QEMU emulator version 1.0 (Debian 1.0+dfsg-3), Copyright (c) 2003-2008 Fabrice Bellard To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/928676/+subscriptions