I'm also impacted, but unlike other users on this thread, I'm not running Ryzen but I do use a Vega GPU:
CPU : Intel Core i5-3570K Motherboard : Gigabyte GA-Z77-DS3H GPU : AMD Radeon Vega 56 Reverting to 5.3.0-51 solves the issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880041 Title: Failing to shutdown/power off or reboot on AMD Ryzen CPUs on kernel versions 5.3.0-52 and later To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta-hwe/+bug/1880041/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
