From: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
To: Mohsin Kazmi <mohsin.kazmi14@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Unparking vCPU mechanism
Date: Mon, 20 Apr 2015 17:19:07 +0800 [thread overview]
Message-ID: <5534C48B.7060901@cn.fujitsu.com> (raw)
In-Reply-To: <CAKkt9+KkA=ww-29JAHZ_0Nd6-vTKKzOdxhjWnKZgLhKDzx3U0A@mail.gmail.com>
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On 04/16/2015 06:50 PM, Mohsin Kazmi wrote:
> Hi Zhu,
> I am testing the hot unplug feature using your github branch
> 'cpu-hotplug'. It is working fine when first time I added and deleted
> cpu. But when I tried to add cpu second time, it showed me the
> following error:
> (qemu) device_add kvm64-x86_64-cpu,apic-id=1,id=cpu1
> Duplicate ID 'cpu1' for device
>
Sorry for late reply.
I guess you should use iasl and regenerate the ACPI tables.
You can refer to the following issue:
http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg02993.html
Thanks,
Zhu
> I get from one of your patch
> (https://patchwork.ozlabs.org/patch/439485/) commit message that cpu
> is not literally removed from qemu but guest is unable to use it
> anymore. Do you know the way how I can reuse that cpu which has
> already added and deleted once. Or unparking the cpu mechanism.
>
> Thanks,
> Mohsin Kazmi
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next prev parent reply other threads:[~2015-04-20 9:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-16 10:50 [Qemu-devel] Unparking vCPU mechanism Mohsin Kazmi
2015-04-20 9:19 ` Zhu Guihua [this message]
2015-04-20 12:16 ` Mohsin Kazmi
2015-04-20 13:13 ` Mohsin Kazmi
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