I've installed https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8-rc3/ and the problem seems to have been solved. My laptop is a HP-Pavilion- Laptop-15-cw1xxx, CPU: AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870971 Title: [amdgpu] (X)ubuntu 20.04 boots to black screen on Lenovo Ideapad L340-17API when in battery mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1870971/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
