Created attachment 1432567 [details]
vm1.png (list of VMs where graphical output shows fine)
Description of problem:
The VM works after reboot, but doesn't show an image. Guest is Ubuntu 18.04.
Version-Release number of selected component (if applicable):
don't know, 100% for this VM
Steps to Reproduce:
1. Install Ubuntu 18.04 (installer works fine)
2. Reboot into final system
blank screen (see vm2.png), while the VM list clearly shows the actual gdm login of Ubuntu (see vm1.png) so the VM runs
actual VM image instead of blank screen
Created attachment 1432568 [details]
vm2.png (fullscreen VM which shows up blank instead of actual VM output)
Could you please run gnome-boxes in a terminal with the following command
And post it in https://paste.fedoraproject.org/ so we can debug?
I stopped and started gnome-boxes like that, and now it just magically works again :-/ not sure what changed
Well, I haven't seen this happen again for whatever reason. I wonder if it was related to some bug with Ubuntu's KVM integration that allows resizing to the output window and such? But kinda hard to tell now...
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