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Re: [Qemu-devel] Pentium Pro Feature Bugs

From: Eduardo Habkost
Subject: Re: [Qemu-devel] Pentium Pro Feature Bugs
Date: Fri, 17 May 2019 15:15:23 -0300
User-agent: Mutt/1.10.1 (2018-07-13)

On Thu, May 16, 2019 at 08:30:27PM -0400, tedheadster wrote:
> Paolo,
>   I am running the kvm32 machine and I see a problem. Here is the
> output of /proc/cpuinfo :
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov constant_tsc
> I see something rather important missing: cpuid.
> A lot of stuff breaks without cpuid, and I am fairly sure that qemu is
> supposed to 'hard code' in support for it. It is present with both my
> i486 and i586 virtual machines.

Are you running the same kernel version on all VMs?
X86_FEATURE_CPUID was added in Linux v4.11.


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