virt-install does not work on 24-CPU machine ?

Laurent Pouilloux <laurent.pouilloux@xxxxxxxx> · Mon, 06 May 2013 14:12:04 +0200



    Hi,

    
    I am trying to place VM on specific core using virt-install but it
    seems there is a problem with core number >12.

    The virsh capabilities returns:

    <topology>

          <cells num='4'>

            <cell id='0'>

              <cpus num='6'>

                <cpu id='0'/>

                <cpu id='1'/>

                <cpu id='2'/>

                <cpu id='3'/>

                <cpu id='4'/>

                <cpu id='5'/>

              </cpus>

            </cell>

            <cell id='1'>

              <cpus num='6'>

                <cpu id='6'/>

                <cpu id='7'/>

                <cpu id='8'/>

                <cpu id='9'/>

                <cpu id='10'/>

                <cpu id='11'/>

              </cpus>

            </cell>

            <cell id='2'>

              <cpus num='6'>

                <cpu id='18'/>

                <cpu id='19'/>

                <cpu id='20'/>

                <cpu id='21'/>

                <cpu id='22'/>

                <cpu id='23'/>

              </cpus>

            </cell>

            <cell id='3'>

              <cpus num='6'>

                <cpu id='12'/>

                <cpu id='13'/>

                <cpu id='14'/>

                <cpu id='15'/>

                <cpu id='16'/>

                <cpu id='17'/>

              </cpus>

            </cell>

          </cells>

        </topology>

    which is OK. 

    When I run 

    virt-install -d --import --connect qemu:///system --nographics
      --noautoconsole --name=test --network
      network=default,mac=00:01:01:ab:cd:ed --ram=256 --disk
      path=/tmp/vm-base.img,device=disk,format=raw,size=2,cache=none
      --cpuset=0,1,2

    everything is ok.

    virt-install -d --import --connect qemu:///system --nographics
      --noautoconsole --name=test --network
      network=default,mac=00:01:01:ab:cd:ed --ram=256 --disk
      path=/tmp/vm-base.img,device=disk,format=raw,size=2,cache=none
      --cpuset=13

    I have a message telling me that the cpuset's numbers must be less
    than pCPU

    
    My machine is a bi-AMD Opteron(tm) Processor 6164 HE (12 core/cpu)
    with debian squeeze. I have tried with the squeeze packages as well
    as the wheezy one but it still fails. 

    ii  libvirt-bin                        
      0.9.12-11                    programs for the libvirt library

    ii  libvirt0                           
      0.9.12-11                    library for interfacing with
      different virtualization systems

    ii  python-libvirt                     
      0.9.12-4~bpo60+1             libvirt Python bindings

    ii  qemu-kvm                           
      1.1.2+dfsg-6                 Full virtualization on x86 hardware

    ii  virt-viewer                        
      0.2.1-1                      Displaying the graphical console of a
      virtual machine

    ii  virtinst                           
      0.600.1-3                    Programs to create and clone virtual
      machines

    Is this a debian related bug or no ?

    
    I have also post a bugreport if you are interested in.

    
    https://bugzilla.redhat.com/show_bug.cgi?id=953187

    
    Thank you in advance for any answer I could have.

    
    Laurent 

  
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