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No, no solution yet. I hit this state probably a couple times a day and it's really frustrating. Is there some command-line tool I can run from...
Edit: my xrandr trick only *sort of* fixes it. The display scales to the full resolution, but Debian/X is still sort of confused. Xorg gets really...
Update: this did reproduce after lunch. From within the VM, xrandr -s 3440x1440 fixes it. Maybe I could schedule some job to do this...
I have a very basic installation of Debian 9. I use it in full-screen on one of my external displays (3440x1440 USB-C/DisplayPort). While in use...