In /etc/default/grub, I added the following kernel parameter: GRUB_CMDLINE_LINUX_DEFAULT="i915.enable_dc=0"
Then run sudo update-grub and restart your computer. This disables GPU power management. It still freezes for a while, but then it is released and it seems to work. CPU usage seems to be at 100% when it does let go. I can now at least use my laptop without the dock or using the kernel recovery mode trick. You can also try limiting the CPU sleep states by adding: intel_idle.max_cstate=1 Try and see if one or both of those fixes it for you. I haven't had my laptop running for longer periods yet, so I don't know if this just delays the freezes. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1939347 Title: Ubuntu 20.04 freeze since kernel 5.11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1939347/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
