Source of QEMU woes: CPUTYPE

Jaguar DaRocha jaguar.darocha at yandex.com
Wed Apr 5 01:07:22 UTC 2017


There is a mailing list for qemu.
Have you tried there?

> On 04/04/2017 14:31, Dimitry Andric wrote:
> 
>> On 4 Apr 2017, at 14:34, Eric McCorkle <eric at metricspace.net> wrote:
>>
>> Out of interest, what does "llvm-tblgen -version | grep 'Host CPU'"
>> show? (This is a simple way to see what LLVM auto-detects.)
> 
> broadwell
> 
>>> I'm posting this here, as it's somewhat non-obvious, and probably ought
>>> to be documented somewhere.
>>
>> I usually find it clearer to specify the exact CPU type myself, for
>> example CPUTYPE?=core-avx2 (which is an alias for "haswell"). You can
>> also specify a lower CPUTYPE to build the world that you are going to
>> run inside QEMU.
> 
> I have a standard config for my laptops, so that's why it has
> CPUTYPE?=native


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