8:56 a.m.
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On 09/27/2012 03:21 PM, ybronhei wrote:
On 09/26/2012 04:06 AM, Mark Wu wrote:
> On 09/26/2012 12:58 AM, Nathanaël Blanchet wrote:
>> Hello,
>>
>> I've tried many times to run a node as a guest in ovirt following
>> http://wiki.ovirt.org/wiki/Vdsm_Developers#Running_Node_as_guest_-_Nested...
>> . The result is that I'm able to register such a host in engine, but
>> it is impossible to start any vm on it. If I boot on an ISO, I can
>> see the first prompt and move between the items. But since I begin
>> the installation I have a blank screen and the vm goes into pause
>> mode in vit-manager. Then I have no way else than rebooting the
>> hypervisor guest because it is impossible to resume. When I get logs
>> on the real host, I can find this :
>> arning : x86Decode:1306 : Preferred CPU model Westmere not allowed
>> by hypervisor; closest supported model will be used
>> Sep 25 17:11:59 khamsin libvirtd[23053]: 2012-09-25
>> 15:11:59.384+0000: 23054: warning : x86Decode:1306 : Preferred CPU
>> model Westmere not allowed by hypervisor; closest supported model
>> will be used
>> Sep 25 17:12:19 khamsin libvirtd[23053]: 2012-09-25
>> 15:12:19.150+0000: 23055: warning : x86Decode:1306 : Preferred CPU
>> model Westmere not allowed by hypervisor; closest supported model
>> will be used
>> Sep 25 17:45:48 khamsin libvirtd[23053]: 2012-09-25
>> 15:45:48.342+0000: 23058: warning : x86Decode:1306 : Preferred CPU
>> model Westmere not allowed by hypervisor; closest supported model
>> will be used
>> Sep 25 18:07:05 khamsin libvirtd[23053]: 2012-09-25
>> 16:07:05.834+0000: 23058: warning : x86Decode:1306 : Preferred CPU
>> model Nehalem not allowed by hypervisor; closest supported model
>> will be used
>> Sep 25 18:44:47 khamsin libvirtd[23053]: 2012-09-25
>> 16:44:47.340+0000: 23057: warning : x86Decode:1306 : Preferred CPU
>> model Penryn not allowed by hypervisor; closest supported model will
>> be used
>>
>> As you can see, I have tried many cpu type for launching this guest
>> hypervisor, but none of them is accepted by the hypervisor. Plus,
>> I've modified each time the family type in the cluster tab, but it
>> is the same.
>> On the hist:
>> #virsh capabilities gives
>> <cpu>
>> <arch>x86_64</arch>
>> <model>Westmere</model>
>> <vendor>Intel</vendor>
>>
>> Thanks for your help
>
>
> What does the command 'qemu-kvm -cpu ?' give ? Could you please try
> the following guest cpu definition?
> *
> <cpu match='exact'>
> <model>core2duo</model>
> <feature policy='require' name='vmx'/>
> </cpu>
>
>
> *
>
>
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
I've got error too during definition of nested kvm.
When i run qemu-kvm cpu ? i get: Unable to find x86 CPU definition. do
you know why? what does this command show?
how do i add your configuration suggestion to my guest cpu?
Here's the output
of "qemu-kvm -cpu ?". It shows us which cpu models
qemu can emulate.
x86 Opteron_G3
x86 Opteron_G2
x86 Opteron_G1
x86 Nehalem
x86 Penryn
x86 Conroe
x86 [n270]
x86 [athlon]
x86 [pentium3]
x86 [pentium2]
x86 [pentium]
x86 [486]
x86 [coreduo]
x86 [kvm32]
x86 [qemu32]
x86 [kvm64]
x86 [core2duo]
x86 [phenom]
x86 [qemu64]
You can use 'virsh edit' or edit the xml configuration file of the vm to
specify the cpu model. Just put the cpu definition into the root
(domain) tag.
<domain type='kvm'>
<cpu mode='custom' match='exact'>
<model fallback='allow'>core2duo</model>
<feature policy='require' name='vmx'/>
</cpu>
After that, you should be able to see it in the output of 'virsh
dumpxml'. And the cpuinfo from guest should read like this:
#cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz
--
Yaniv Bronhaim.
RedHat, Israel
09-7692289
054-7744187
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On 09/27/2012 03:21 PM, ybronhei wrote:
<blockquote cite="mid:5063FE67.1080101@redhat.com"
type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
<div class="moz-cite-prefix">On 09/26/2012 04:06 AM, Mark Wu
wrote:<br>
</div>
<blockquote cite="mid:50626322.6020307@linux.vnet.ibm.com"
type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
On 09/26/2012 12:58 AM, Nathanaël Blanchet wrote:
<blockquote cite="mid:5061E2C1.2060800@abes.fr"
type="cite">Hello,
<br>
<br>
I've tried many times to run a node as a guest in ovirt
following <a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="http://wiki.ovirt.org/wiki/Vdsm_Developers#Running_Node_as_gue...
. The result is that I'm able to register such a host in
engine, but it is impossible to start any vm on it. If I boot
on an ISO, I can see the first prompt and move between the
items. But since I begin the installation I have a blank
screen and the vm goes into pause mode in vit-manager. Then I
have no way else than rebooting the hypervisor guest because
it is impossible to resume. When I get logs on the real host,
I can find this : <br>
arning : x86Decode:1306 : Preferred CPU model Westmere not
allowed by hypervisor; closest supported model will be used <br>
Sep 25 17:11:59 khamsin libvirtd[23053]: 2012-09-25
15:11:59.384+0000: 23054: warning : x86Decode:1306 : Preferred
CPU model Westmere not allowed by hypervisor; closest
supported model will be used <br>
Sep 25 17:12:19 khamsin libvirtd[23053]: 2012-09-25
15:12:19.150+0000: 23055: warning : x86Decode:1306 : Preferred
CPU model Westmere not allowed by hypervisor; closest
supported model will be used <br>
Sep 25 17:45:48 khamsin libvirtd[23053]: 2012-09-25
15:45:48.342+0000: 23058: warning : x86Decode:1306 : Preferred
CPU model Westmere not allowed by hypervisor; closest
supported model will be used <br>
Sep 25 18:07:05 khamsin libvirtd[23053]: 2012-09-25
16:07:05.834+0000: 23058: warning : x86Decode:1306 : Preferred
CPU model Nehalem not allowed by hypervisor; closest supported
model will be used <br>
Sep 25 18:44:47 khamsin libvirtd[23053]: 2012-09-25
16:44:47.340+0000: 23057: warning : x86Decode:1306 : Preferred
CPU model Penryn not allowed by hypervisor; closest supported
model will be used <br>
<br>
As you can see, I have tried many cpu type for launching this
guest hypervisor, but none of them is accepted by the
hypervisor. Plus, I've modified each time the family type in
the cluster tab, but it is the same. <br>
On the hist: <br>
#virsh capabilities gives <br>
<cpu> <br>
<arch>x86_64</arch> <br>
<model>Westmere</model> <br>
<vendor>Intel</vendor> <br>
<br>
Thanks for your help <br>
</blockquote>
<br>
<br>
What does the command 'qemu-kvm -cpu ?' give ? Could
you
please try the following guest cpu definition?<br>
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charset=ISO-8859-1">
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monospace; font-size: 13px; font-style: normal; font-weight: normal; margin: 0px 0px
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baseline;"><tt style="border: 0px; font-family: inherit; font-size: 13px;
font-style: inherit; font-weight: inherit; margin: 0px; outline: 0px; padding: 0px;
vertical-align: baseline;">
<cpu match='exact'>
<model>core2duo</model>
<feature policy='require' name='vmx'/>
</cpu>
</tt></strong></pre>
<br>
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<br>
<pre wrap="">_______________________________________________
Users mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated"
href="mailto:Users@ovirt.org">Users@ovirt.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://lists.ovirt.org/mailman/listinfo/users">http://...
</pre>
</blockquote>
I've got error too during definition of nested kvm.<br>
<br>
When i run qemu-kvm cpu ? i get: Unable to find x86 CPU
definition. do you know why? what does this command show?<br>
<br>
how do i add your configuration suggestion to my guest cpu?<br>
</blockquote>
Here's the output of "qemu-kvm -cpu ?". It shows us which cpu
models qemu can emulate.<br>
x86 Opteron_G3<br>
x86 Opteron_G2<br>
x86 Opteron_G1<br>
x86
Nehalem<br>
x86
Penryn<br>
x86
Conroe<br>
x86
[n270]<br>
x86
[athlon]<br>
x86 [pentium3]<br>
x86 [pentium2]<br>
x86
[pentium]<br>
x86
[486]<br>
x86
[coreduo]<br>
x86
[kvm32]<br>
x86
[qemu32]<br>
x86
[kvm64]<br>
x86 [core2duo]<br>
x86
[phenom]<br>
x86
[qemu64]<br>
<br>
You can use 'virsh edit' or edit the xml configuration file of the
vm to specify the cpu model. Just put the cpu definition into the
root (domain) tag. <br>
<domain type='kvm'><br>
<cpu mode='custom' match='exact'><br>
<model
fallback='allow'>core2duo</model><br>
<feature policy='require'
name='vmx'/><br>
</cpu><br>
<br>
After that, you should be able to see it in the output of 'virsh
dumpxml'. And the cpuinfo from guest should read like this:<br>
<br>
#cat /proc/cpuinfo <br>
processor : 0<br>
vendor_id : GenuineIntel<br>
cpu family : 6<br>
model : 15<br>
model name : Intel(R) Core(TM)2 Duo
CPU T7700 @ 2.40GHz
<blockquote cite="mid:5063FE67.1080101@redhat.com"
type="cite"> <br>
<pre class="moz-signature" cols="72">--
Yaniv Bronhaim.
RedHat, Israel
09-7692289
054-7744187</pre>
</blockquote>
<br>
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