From mboxrd@z Thu Jan  1 00:00:00 1970
From: Janusz <januszmk6@gmail.com>
Subject: Re: [edk2] KVM: MTRR: fix memory type handling if MTRR is
 completely disabled
Date: Wed, 14 Oct 2015 11:13:44 +0200
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Cc: edk2-devel@ml01.01.org
To: Xiao Guangrong <guangrong.xiao@linux.intel.com>,
 Paolo Bonzini <pbonzini@redhat.com>, Wanpeng Li <wanpeng.li@hotmail.com>,
 Laszlo Ersek <lersek@redhat.com>, kvm@vger.kernel.org
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W dniu 14.10.2015 o 10:32, Xiao Guangrong pisze:
>
>
> 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...
I attach my script. I see that you are using pc-i440fx-2.1 - I use
default, I think its pc-i440fx-2.4, tried 2.3 some time ago and I get
the same problem. I will try with 2.1 after work
I am using  master from main kernel  tree, will also try this tree you
mentioned after work