[libvirt] [PATCH 1/8 v3] qemu: Set QEMU_AUDIO_DRV=none with -nographic

[Eric Blake]

On 08/30/2013 10:44 AM, Cole Robinson wrote:
> On my machine, a guest fails to boot if it has a sound card, but not
> graphical device/display is configured, because pulseaudio fails to
> initialize since it can't access $HOME.
> 
> A workaround is removing the audio device, however on ARM boards there
> isn't any option to do that, so -nographic always fails.
> 
> Set QEMU_AUDIO_DRV=none if no <graphics> are configured. Unfortunately
> this has massive test suite fallout.
> 
> Add a qemu.conf parameter nographics_allow_host_audio, that if enabled
> will pass through QEMU_AUDIO_DRV from sysconfig (similar to
> vnc_allow_host_audio)
> ---
>  I've snipped the actual test changes since the mail was too large. It
>  was generated with roughly
> 
>  sed -i -e "s/LOGNAME=test /LOGNAME=test QEMU_AUDIO_DRV=none /" `grep "\-nographic" * | xargs`

ACK; I'm on the fence on whether this is okay for 1.1.2, but think it
qualifies as a bug fix.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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