Did you update firmware like BIOS? Or did you just update kernel? If just kernel version was changed, the old version of kernel like 5.5.0-11x should be tested, apt install should do the work.
Boot from different version of kernel to find the first bad one. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2073711 Title: unchecked MSR access error: RDMSR from 0xc00102f1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2073711/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs