It looks like the stacktrace mentions AMDGPU related functions. For the record, I have three graphics devices in this box currently, one from each vendor to allow easily testing apps on each: nVidia, AMD, and Intel. The displays are currently only connected to the nVidia card's outputs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869747 Title: Recent changes have caused Xorg to fail to start. Possibly nvidia driver related. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/+bug/1869747/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs