Thanks for reporting this bug and helping to make Ubuntu better.
A bit of searching suggests that VIA Nano was until recently very little
tested and supported. The kernels you are working with are rather old
compared to upstream. So in order to see whether you should be talking
to us or kvm upstream, could you please test this with the latest daily
kernel build (see http://kernel.ubuntu.com/~kernel-
ppa/mainline/daily/current/) and the latest qemu-kvm build (see
https://launchpad.net/~ubuntu-server-edgers/+archive/server-edgers-qemu-
kvm).
** Changed in: kvm (Ubuntu)
Status: New => Incomplete
** Bug watch added: Debian Bug tracker #570244
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=570244
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https://bugs.launchpad.net/bugs/712416
Title:
kvm_intel kernel module crash with via nano vmx
Status in QEMU:
New
Status in “kvm” package in Ubuntu:
Incomplete
Status in “kvm” package in Debian:
New
Bug description:
kvm module for hardware virtualisation not work properly on via nano
processors.
Tested with processor: VIA Nano processor U2250.
Processors flags (visible in /proc/cpuinfo): fpu vme de pse tsc msr pae mce
cx8 apic sep mtrr pge mca cmov pat clflush acpi mmx fxsr sse sse2 ss tm syscall
nx lm constant_tsc up rep_good pni monitor vmx est tm2 ssse3 cx16 xtpr rng
rng_en ace ace_en ace2 phe phe_en lahf_lm
With kernel 2.6.32: kvm not work and dmesg contains a lot of:
handle_exception: unexpected, vectoring info 0x8000000d intr info 0x80000b0d
With kernel 2.6.35: all the system crash. Nothing visible in logs
