I just tested signed Ubuntu kernel 5.13.0-28-generic which is in Proposed right now, but it does not fix the issue. Brightness adjustments work, but service fails during startup and screen is at full brightness every boot (at gdm and at GNOME 3 desktop).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1954843 Title: amdgpu_bl0: Failed to write system 'brightness' attribute: Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1954843/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
