Re: [libvirt][qemu] unable to start guest under kvm

[Anton Protopopov <aspsk2@xxxxxxxxx>]

2009/9/7 Anton Protopopov <aspsk2@xxxxxxxxx>

2009/9/7 Mark McLoughlin <markmc@xxxxxxxxxx>

On Mon, 2009-09-07 at 14:40 +0400, Anton Protopopov wrote:

>         Also, what is the output of 'virsh capabilities' ?
> <guest>
>     <os_type>hvm</os_type>
>     <arch name='x86_64'>
>       <wordsize>64</wordsize>
>       <emulator>/usr/bin/qemu-system-x86_64</emulator>
>       <machine>pc-0.11</machine>
>       <machine canonical='pc-0.11'>pc</machine>
>       <machine>pc-0.10</machine>
>       <machine>isapc</machine>
>       <domain type='qemu'>
>       </domain>
>       <domain type='kvm'>
>         <emulator>/usr/bin/kvm</emulator>
>       </domain>

...

>         What does 'qemu -M ?' and 'kvm -M ?' give?
>   # qemu -M ?
>   Supported machines are:
>   pc         Standard PC (alias of pc-0.11)
>   pc-0.11    Standard PC (default)
>   pc-0.10    Standard PC, qemu 0.10
>   isapc      ISA-only PC
>   # kvm -M ?
>   Supported machines are:
>   pc         Standard PC (default)
>   isapc      ISA-only PC

Thanks, that shows the problem clearly. We need to probe the kvm binary
for the machine types it supports and include it in its domain info.

Please try out the four patches following

 

Thanks, I will try them tomorrow.

It didn't help. The capabilities changed to
<guest>
    <os_type>hvm</os_type>
    <arch name='x86_64'>
      <wordsize>64</wordsize>
      <emulator>/usr/bin/qemu-system-x86_64</emulator>
      <machine>pc-0.11</machine>
      <machine canonical='pc-0.11'>pc</machine>
      <machine>pc-0.10</machine>
      <machine>isapc</machine>
      <domain type='qemu'>
      </domain>
      <domain type='kvm'>
        <emulator>/usr/bin/kvm</emulator>
        <machine>pc</machine>
        <machine>isapc</machine>
      </domain>
    </arch>
    <features>
      <acpi default='on' toggle='yes'/>
      <apic default='on' toggle='no'/>
    </features>
  </guest>

But after defining a domain, I get
  # grep machine= $xml
     <type arch='x86_64' machine='pc-0.11'>hvm</type>
again.

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