[libvirt] libvirt unable to start domains

[Doug Goldstein]

On Thu, Jan 3, 2013 at 5:58 PM, Zeeshan Ali (Khattak)
<zeeshanak at gnome.org> wrote:
> On Thu, Jan 3, 2013 at 11:44 PM, Zeeshan Ali (Khattak)
> <zeeshanak at gnome.org> wrote:
>> Hi,
>>   I updated my libvirt git clone and install yesterday (after about a
>> month or so) and now I can't start domains:
>>
>> $ virsh start fedora18
>> error: Failed to start domain fedora18
>> error: unsupported configuration: This QEMU does not support QXL
>> graphics adapters
>>
>> While libvirt is self-built, I'm using qemu 1.2.2-1.fc18 from vanila
>> Fedora 18 repo. Just to be clear, qemu was not updated before the
>> problem appeared, only libvirt.
>>
>> Here is the libvirtd log:
>> http://static.fi/~zeenix/tmp/libvirtd-session-zeenix.log (13 MB).
>>
>> Also attaching the domain config.
>
> If my `git bisect run` script worked, I've found the commit
> introducing this issue:
>
> 4c993d8ab5473334e9d4155faa913476ada39069 is the first bad commit
> commit 4c993d8ab5473334e9d4155faa913476ada39069
> Author: Guannan Ren <gren at redhat.com>
> Date:   Fri Dec 14 15:06:31 2012 +0800
>
>     qemu: add qemu vga devices caps and one cap to mark them usable
>
>     QEMU_CAPS_DEVICE_QXL          -device qxl
>     QEMU_CAPS_DEVICE_VGA          -device VGA
>     QEMU_CAPS_DEVICE_CIRRUS_VGA   -device cirrus-vga
>     QEMU_CAPS_DEVICE_VMWARE_SVGA  -device vmware-svga
>
>     QEMU_CAPS_DEVICE_VIDEO_PRIMARY  /* safe to use -device XXX
>                                      for primary video device */
>
>     Fix a typo in qemuCapsObjectTypes, the string 'qxl' here
>     should be -device qxl rather than -vga [...|qxl|..]
>
> :040000 040000 576dc9f1e74fae8b5d8c75349cc769e17c5f7758
> 5afc50956ad09cf6e740ce75800d746a53513271 M      src
> :040000 040000 0b95704f11e9aacbd4c6510e29343a497c52c11e
> fbd9445a795a2814d8739805ebaf9c7c2f0d4160 M      tests
> bisect run success
>
> FWIW, problem is not reproducible against the parent commit
> 34ca5684970fc5e4be0ec29809b73dea7be2d84f.
>
> --
> Regards,
>
> Zeeshan Ali (Khattak)
> FSF member#5124
>

Basically for some reason we tried to build the command line up as
qemu-kvm ... -vga qxl instead of -device qxl-vga which is what I
thought Guannan was aiming for. I could be wrong though. I'll take
another look at it tonight.

-- 
Doug Goldstein