Hi guys. I am using Kicad 7 on Ubuntu placed in VBox virtual machine. Today when I started Kicad I received this:
This looks like a bug in the GPU emulation of VirtualBox. Maybe try changing some settings of VirtualBox, like which GPU it emulates? Unfortunately I can’t give you more exact steps, it’s been quite some time since I used VirtualBox last.
In general, VirtualBox graphics drivers seem to be buggy when rendering KiCad for some reason (there was a very famous bug where the entire drawing canvas was flipped upside-down in VirtualBox for a while), so we recommend people to run KiCad natively on their system when at all possible.
That said, I can’t recall seeing the rendering problems you are having before. What window manager on Ubuntu are you using?
Thanks for help. Indeed it is buggy. When I returned back to the same monitor settings (two HDMI displays + laptop, not one embedded in laptop + 1 HDMI) as during installation everything got back to normal. Funny thing is the resolutions are the same in both situations, displays are different… What might be important here - I use double screen in VirtualBox.
On Ubuntu I use standard GNOME.
Try increasing the size of the VRAM in vbox settings
Stock apps have this problem too when using x11 GDK backend (which KiCad explicitly chooses) and 3D acceleration is enabled in VirtualBox.
GDK_BACKEND=x11 gnome-disks for example:
Only happens for me when Intel Iris Xe Graphics is used, looks fine on NVIDIA GPU. This really should be reported to VirtualBox.
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