Trying to open VM's screen freezes
I have faced this second time, whether through virt-manager or virt-viewer I can't see output of any VM. Here is what it looks like:
> virt-viewer --verbose --debug --connect qemu+ssh://root@192.168.1.99/system HomeAssistant
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:56.960: connecting ...
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:56.960: Opening connection to libvirt with URI qemu+ssh://root@192.168.1.99/system
Opening connection to libvirt with URI qemu+ssh://root@192.168.1.99/system
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.114: initial connect
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.114: notebook show status 0x55bd273c2240
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.115: virt_viewer_app_set_uuid_string: UUID changed to 877b7e3a-5b49-48ab-867d-130a526d0e39
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.115: notebook show status 0x55bd273c2240
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.115: Guest HomeAssistant is running, determining display
Guest HomeAssistant is running, determining display
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.116: Set connect info: (null),(null),-1,-1,(null),(null),(null),0
(virt-viewer:559209): virt-viewer-DEBUG: 05:50:57.116: Guest HomeAssistant has a spice display
Guest HomeAssistant has a spice display
After this it freezes with no CPU usage whatsoever. Any idea what it might be and how to debug further?
UPD: Interestingly, rebooting main OS (on which I have virt-manager/virt-viewer) helps for some reason, I just don't see what it wrong with it prior to reboot.