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Re: [PULL 20/59] target/i386: kvm: initialize microcode revision from KV
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From: |
Paolo Bonzini |
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Subject: |
Re: [PULL 20/59] target/i386: kvm: initialize microcode revision from KVM |
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Date: |
Fri, 7 Feb 2020 00:40:31 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 |
On 07/02/20 00:24, Alex Williamson wrote:
> Hey Paolo,
>
> My Windows 10 VM boot loops with this :-\ It seems to be related to
> the CPU model. Now fails (host-passthrough):
>
> -cpu
> host,hv-time,hv-relaxed,hv-vapic,hv-spinlocks=0x1fff,hv-vendor-id=KeenlyKVM,kvm=off
Can you try adding ucode-rev=0x100000000 just to double check that it's
the microcode version? Also perhaps doing "rdmsr 0x8b" and if you have
anything set in bits 0-31 clearing them.
Thanks,
Paolo