kvm_intel kernel module crash with via nano vmx

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Hi,

As report in launchpad (https://bugs.launchpad.net/qemu/+bug/712416),
kvm intel kernel module is not usable with via nano (with vmx
instructions).

Cpu:
processor	: 0
vendor_id	: CentaurHauls
cpu family	: 6
model		: 15
model name	: VIA Nano processor U2250 (1.6GHz Capable)
stepping	: 3
cpu MHz		: 800.000
cache size	: 1024 KB
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 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
bogomips	: 3192.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


Kvm version: tested with 0.12.5 and last git 0.13.50 (git repo deleted
after test, I can't do "git describe" for now).

Kernel version: 2.6.38 (git kvm branch compiled on 02 03 2011)

Arch: x86_64 but reproductible (tested) with i386

Guest os: all, crash as soon as i enter kvm command.

The problem appears with -no-kvm-irqchip or -no-kvm-pit too.

The problem doesn't appear with -no-kvm or if kvm_intel kernel module
is unloaded.

Description of the problem: the host crash without any log when
launching kvm with kvm_intel kernel module loaded.
Command: kvm -m 256 fs/ubuntu_vm_1.img

Thanks !
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