Hello everyone, I'm using kvm-83 on vanilla kernel 2.6.27.8 but I have some problems, since guest freezes at boot time (at very early stage since it does not print any message on the attached vnc) and /var/log/messages sports the following error message: kvm: 4982: cpu0 unhandled wrmsr: 0xc0010117 data 0 The virtual machine is started as follows: /usr/local/bin/qemu-system-x86_64 -M pc -m 1024 -boot c -hda /var/lib/libvirt/images/v10f.img -vnc :1 () the same guest boots ok when using standard Fedora 10 kernel & kvm, i.e. 2.6.27.9-159.fc10 & kvm-74 can I contribute to solve this issue? thanks in advance, GM More details regarding my hardware and software environment host: Fedora 10 guest: Fedora 10 processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz stepping : 6 cpu MHz : 2101.000 cache size : 3072 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr sse4_1 lahf_lm ida bogomips : 3657.40 clflush size : 64 power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz stepping : 6 cpu MHz : 2101.000 cache size : 3072 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr sse4_1 lahf_lm ida bogomips : 4189.27 clflush size : 64 power management: -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html