[virt-tools-list] a qemu/kvm version problem

[Anton Protopopov]

2009/10/9 Mark McLoughlin <markmc at redhat.com>

> On Fri, 2009-10-09 at 13:14 +0400, Anton Protopopov wrote:
> > 2009/10/9 Mark McLoughlin <markmc at redhat.com>
> >
> >         On Fri, 2009-10-09 at 12:45 +0400, Anton Protopopov wrote:
> >         > 2009/10/9 Mark McLoughlin <markmc at redhat.com>
> >         >         Hi Anton,
> >         >
> >         >
> >         >         On Thu, 2009-10-08 at 17:58 +0400, Anton Protopopov
> >         wrote:
> >         >         > Hi, all.
> >         >         >
> >         >         > When I trying to create a kvm machine using
> >         virt-manager, I
> >         >         get the
> >         >         > following error message:
> >         >         >
> >         >         > Unable to complete install '<class
> >         'libvirt.libvirtError'>
> >         >         internal
> >         >         > error unable to start guest: Supported machines
> >         are:
> >         >         > pc         Standard PC (default)
> >         >         > isapc      ISA-only PC
> >         >         >
> >         >         > The problem is that virt-manager uses "M=pc-0.11"
> >         parameter
> >         >         in kvm
> >         >         > command line, while
> >         >         >   # virsh -c qemu:///system capabilities
> >         >         >   ...
> >         >         >       <domain type='kvm'>
> >         >         >         <emulator>/usr/bin/kvm</emulator>
> >         >         >         <machine>pc</machine>
> >         >         >         <machine>isapc</machine>
> >         >         >       </domain>
> >         >         >   ...
> >         >         > so it should be "M=pc" there.
> >         >         >
> >         >         > The similar problem was in libvirt recenlty, but
> >         it was
> >         >         solved in
> >         >         > 0.7.1. See the following
> >         >         > discussion:
> >         >         >
> >         >
> >         http://www.mail-archive.com/libvir-list@redhat.com/msg16154.html
> >         >
> >         >
> >         >         Do you mean this still happens even with the fixed
> >         version of
> >         >         libvirt?
> >         > Exactly. I can create a machine using libvirt, but I can't
> >         create a
> >         > machine
> >         > using virt-manager. My versions are:
> >         >   # rpm -q libvirt python-module-libvirt
> >         python-module-virtinst
> >         > virt-manager
> >         >   libvirt-0.7.1-alt2
> >         >   python-module-libvirt-0.7.1-alt2
> >         >   python-module-virtinst-0.500.0-alt1
> >         >   virt-manager-0.8.0-alt1
> >
> >
> >         Could you post your ~/.virt-manager/virt-manager.log?
> > Reading ~/.virt-manager/virt-manager.log I understand what
> > is actually happens: The machine description is
> > ...<os>
> >      <type arch='x86_64'>hvm</type>
> >      ...
> > ...</os>
> > And libvirt dies on that (setting machine="pc-0.11").
> > If I manually add machine='pc' here, then all works fine.
> >
> > So is it a libvirt bug or virt-manager must write a "machine='smth'"
> > to description?
>
> Posting the full log might help ...
>
> Is there an <emulator> tag ? If there is and it's /usr/bin/kvm, then it
> sounds like a libvirt bug that it's picking pc-0.11
>
Yes, it is looking so. If I take a machine, created by libvirt that is
working fine and change
  <os>
    <type arch='x86_64' machine='pc'>hvm</type>
    <boot dev='hd'/>
  </os>
to
  <os>
    <type arch='x86_64'>hvm</type>
    <boot dev='hd'/>
  </os>
then, libvirt fails:
  virsh # start DD
  error: Failed to start domain DD
  error: internal error unable to start guest: Supported machines are:
  pc         Standard PC (default)
  isapc      ISA-only PC

So, it is a libvirt bug, isn't it? Will you post it to libvirt list or
should I do it myself?
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