Re: kvm-82 doesn't boot 64bit (?) [cpu0 unhandled wrmsr]

[paolo pedaletti <paolo.pedaletti@gmail.com>]

Ciao Amit,

>> 1) with -cpu qemu64 I obtain in the guest:
>> cat /proc/cpuinfo
>> vendor_id: GenuineIntel
>> but it doesn't seem a 64 bit cpu (?)
> 
> Check for the 'lm' flag in cpuinfo output.

with -cpu qemu64:

cat /proc/cpuinfo | grep flags
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse6
clflush mmx fxsr sse sse2 syscall nx lm up pni

http://www.linuxquestions.org/questions/linux-general-1/proccpuinfo-flag-lm-358563/?s=58094402abd82d488b3daf02e520f6bf

ok, it's 64 bit

> Have you used 'core2duo' in a previous version without problems?

no, it's the first time, the hardware is new

> I could reproduce this with 32-bit and 64-bit guests. It works fine with
> -no-kvm. I looked at this briefly; it's a problem in cpuid function 4
> which has the Intel cache identification bits. We need updated info there.

can I provide you this information?
How?

> Just for the refernce, kvm_stat shows this and CPU usage goes beyond 95%:
> 
> $ ./kvm_stat -1
> efer_reload                   27         0
> exits                    2652516    591716
> fpu_reload                276172         0
> halt_exits                    55         0

the meaning of the two columns is .... ?

thank you.

-- 
Paolo Pedaletti