Re: Hello could you help me on running kvm on my via nano u2250 processor stepping 3?

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On 07/11/2014 17:22, Alex Williamson wrote:
> On Fri, 2014-11-07 at 10:47 -0500, Timothy McDaniel wrote:
>> here is my /proc/cpuinfo
>>
>> 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
>> 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 pbe syscall nx lm
>> constant_tsc up rep_good nopl pni monitor vmx est tm2 ssse3 cx16 xtpr
>> rng rng_en ace ace_en ace2 phe phe_en lahf_lm
>> bogomips        : 3191.62
>> clflush size    : 64
>> cache_alignment : 128
>> address sizes   : 36 bits physical, 48 bits virtual
>> power management:
>>
>> also here is my uname -mrs
>> Linux 3.2.0-4-amd64 x86_64
>>
>> here is uname -a
>> Linux sd-24793 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64 GNU/Linux
>>
>> please tell me if you need anymore info on helping me get kvm to work.
> 
> Last I was aware, Via's implementation of vmx was broken.  I'd guess
> that's still the case.  Thanks,

Yes, there are many reports of this:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=570244
http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg11662.html
https://bugs.launchpad.net/qemu/+bug/712416

Can you try running vmxcap (scripts/kvm/vmxcap in git://qemu.org/qemu.git)?

Paolo
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