Successfully installed nvidia-340 from focal-proposed repository. Now DKMS compiles the module for kernel 5.8 and everything works. Many thanks to everyone who contributed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910709 Title: DKMS linux-headers-5.8.0-34-generic update brokes nvidia-340 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1910709/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs