Try to verify this bug with new build:
virt-manager-1.1.0-9.el7.noarch
Steps as Comment 0:
1. Install a guest via virt-manager with qxl video:
...
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='8192' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
...
2. Launch virt-manager, change guest video from qxl to vga: Double click guest name-->Show virtual hardware details-->change video from qxl to vga-->Apply
Result: video changed to VGA successfully with no error and guest can boot up.
Try to verify this bug with new build: 1.1.0-9. el7.noarch
virt-manager-
Steps as Comment 0:
1. Install a guest via virt-manager with qxl video:
...
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='8192' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
...
2. Launch virt-manager, change guest video from qxl to vga: Double click guest name-->Show virtual hardware details-->change video from qxl to vga-->Apply
Result: video changed to VGA successfully with no error and guest can boot up.
<video>
- <model type="qxl" ram="65536" vram="65536" vgamem="8192" heads="1"/>
- <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0"/>
+ <model type="vga"/>
</video>
<redirdev bus="usb" type="spicevmc">
</redirdev>
3. Rerun step2 and change video from qxl to cirrus.
<video>
- <model type="qxl" ram="65536" vram="65536" vgamem="8192" heads="1"/>
- <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0"/>
+ <model type="cirrus"/>
</video>
Result: video changed to Cirrus successfully with no error and guest can boot up.
so move this bug from ON_QA to VERIFIED.