From: Bharata B Rao <bharata@linux.vnet.ibm.com>
To: Thomas Huth <thuth@redhat.com>
Cc: qemu-ppc@nongnu.org, David Gibson <david@gibson.dropbear.id.au>,
QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] pseries machine does not like older CPUs anymore
Date: Tue, 28 Jun 2016 13:28:00 +0530 [thread overview]
Message-ID: <20160628075800.GF27296@in.ibm.com> (raw)
In-Reply-To: <5772275D.8090400@redhat.com>
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.
prev parent reply other threads:[~2016-06-28 7:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-28 7:29 [Qemu-devel] pseries machine does not like older CPUs anymore Thomas Huth
2016-06-28 7:58 ` Bharata B Rao [this message]
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