On 10/14/2015 04:24 PM, Xiao Guangrong wrote:
>
>
> On 10/14/2015 03:37 PM, Janusz wrote:
>> I was able to run my virtual machine with this, but had very high cpu
>> usage when something happen in it like booting system. once, my virtual
>> machine hang and I couln't even get my mouse / keyboard back from qemu.
>> When I did vga passthrough, I didn't get any video output, and cpu usage
>> was also high. Tried it on 4.3
>
> Which tree are you using? Is it kvm tree?
> Could you please work on queue brancn on current kvm tree based on
> top commit 73917739334c6509: KVM: x86: fix SMI to halted VCPU.
>
> Hmm... interesting, this diff works on my box...

Forgot to say that i built my test env following the instructions on kvm-wiki:
http://www.linux-kvm.org/page/OVMF

My test script is attached, and i will try to build the env like yours as much
as possible...