Mailinglist Archive: opensuse-factory (365 mails)

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[opensuse-factory] Re: Minimal processor features for Tumbleweed on i586?
  • From: "Matwey V. Kornilov" <matwey.kornilov@xxxxxxxxx>
  • Date: Thu, 30 Jan 2020 21:00:23 +0300
  • Message-id: <r0v5jn$2f8s$1@ciao.gmane.io>
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30.01.2020 19:39, Dominique Leuenberger / DimStar пишет:
On Thu, 2020-01-30 at 17:19 +0100, Jan Engelhardt wrote:
On Thursday 2020-01-30 17:14, Dominique Leuenberger / DimStar
wrote:

Do I need to say that OBS has quite new workers and not a
single, real, i586 CPU? :)

OBS also has no native riscv64 workers as far as I can tell and
yet it produces RPMs of that kind. ;-)

Yes, in both cases we use qemu to build the packages. And our
config for i586 builds reports:

[ 40s] 2nd stage started in virtual machine [ 40s] machine
type: i686

And as we already know: i686 is only half the truth - as there is
i686 with different feature sets; some with SSE2, some without.
Surely, there is a way to tell qemu to not put sse2 features into
the VM. but that seems not to be done so far.

Keep in mind that disabling SSE2 on i586 has also an impact on
64bit users that install things like wine, steam and so on -
basically every 64bit user that has -32bit packages installed.

It depends on our understanding of what i586 is. In the ancient times
of openSUSE 11.2 I have fully positive experience of running it on
i586 CPU without SSE. Nothing ever crashed with SIGILL.


Cheers, Dominique


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