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Re: [Qemu-devel] pseries machine does not like older CPUs anymore
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From: |
Bharata B Rao |
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Subject: |
Re: [Qemu-devel] pseries machine does not like older CPUs anymore |
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Date: |
Tue, 28 Jun 2016 13:28:00 +0530 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Jun 28, 2016 at 09:29:33AM +0200, Thomas Huth wrote:
>
> Hi Bharata,
>
> there seems to be a regression with current QEMU master: The pseries
> machine does not work with older 64-bit ppc CPUs anymore. With QEMU
> 2.6.0, it is possible to run:
>
> qemu-system-ppc64 -nographic -M pseries -cpu 970
>
> or
>
> qemu-system-ppc64 -nographic -M pseries -cpu POWER5+
>
> but with QEMU master, I now only get a "Unable to find sPAPR CPU Core
> definition" error message and then QEMU quits.
>
> At a quick glance, this seems to be related to the new CPU hotplug
> code... so could you maybe have a look?
Yes, I had added core support for POWER7 and POWER8 only. Let me send
a patch to add the support for 970, POWER5 and POWER6.
Regards,
Bharata.