[libvirt-users] Multi Queue KVM Support

Paolo Bonzini pbonzini at redhat.com
Tue Aug 20 12:12:32 UTC 2013


Il 20/08/2013 13:13, Naor Shlomo ha scritto:
> Hi Paolo and thanks for your help.
> 
> I upgraded the following (compiled from source)
> qemu : 1.5.2 stable
> libvirt : 1.1.1
> 
> but for some reason when I run the version command inside virsh:
> 
> Compiled against library: libvirt 1.1.1
> Using library: libvirt 1.1.1
> Using API: QEMU 1.1.1
> Running hypervisor: QEMU 0.12.1
> 
> It says that my running Hypervisor is QEMU 0.12.1
> 
> Could you please tell me what did I miss, how do I upgrade the hypervisor?

Not sure.  Adding the libvirt-users mailing list.

> Thanks,
> Naor
> 
> -----Original Message-----
> From: Paolo Bonzini [mailto:paolo.bonzini at gmail.com] On Behalf Of Paolo Bonzini
> Sent: Tuesday, August 20, 2013 12:28 PM
> To: Naor Shlomo
> Cc: kvm at vger.kernel.org
> Subject: Re: Multi Queue KVM Support
> 
> Il 20/08/2013 05:21, Naor Shlomo ha scritto:
>> Hi Paolo,
>>
>> The host is running CentOS release 6.3 (Final).
>> I did "yum upgrade libvirt" and "yum upgrade qemu-kvm" a couple of days ago and ended up with these versions.
>>
>> What do you suggest regarding qemu? compile 6.5 or later myself?
> 
> RHEL/CentOS 6.5 is not yet out, it's still a few months before it's released.
> 
> You can compile QEMU 1.6 from source, or wait for CentOS to have the feature.
> 
> Paolo
> 
>> I appreciate your help,
>> Naor
>>
>> -----Original Message-----
>> From: Paolo Bonzini [mailto:paolo.bonzini at gmail.com] On Behalf Of 
>> Paolo Bonzini
>> Sent: Monday, August 19, 2013 11:22 PM
>> To: Naor Shlomo
>> Cc: kvm at vger.kernel.org
>> Subject: Re: Multi Queue KVM Support
>>
>> Il 19/08/2013 13:29, Naor Shlomo ha scritto:
>>> Hello experts,
>>>
>>> I am trying to use the multi queue support on a Linux guest running Kernel 3.9.7.
>>>
>>> The host's virsh version command reports the following output: 
>>> Compiled against library: libvirt 0.10.2 Using library: libvirt 
>>> 0.10.2 Using API: QEMU 0.10.2 Running hypervisor: QEMU 0.12.1
>>
>> Is it RHEL or CentOS or Scientific Linux, or something else?  If RHEL/CentOS, what release?
>>
>>> The problem is that virtio_has_feature(vdev, VIRTIO_NET_F_MQ) returns FALSE and I don't know why.
>>
>> This version of QEMU is too old.  It's possible that 6.5 will have multiqueue, but I'm not entirely sure.
>>
>> Paolo
>> --
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> 




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