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Date:      Tue, 04 Apr 2017 19:07:08 -0600
From:      Jaguar DaRocha <jaguar.darocha@yandex.com>
To:        Eric McCorkle <eric@metricspace.net>
Cc:        "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Dimitry Andric <dim@freebsd.org>
Subject:   Re:Source of QEMU woes: CPUTYPE
Message-ID:  <4098801491354428@web45g.yandex.ru>
In-Reply-To: <25c71912-7eec-a174-9d9f-50280c3435e8@metricspace.net>
References:  <ee20545b-9937-bbfd-ea33-ca7d4d3deb46@metricspace.net> <A5077163-17D6-4416-B52C-325027E5BBEB@FreeBSD.org> <25c71912-7eec-a174-9d9f-50280c3435e8@metricspace.net>

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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@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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