This is a common problem on AMD Zen systems. Patches were posted to LKML (Linux Kernel Mailing List) in February 2019, but version 2 still needs to rewrite a comment, and v3 wasn’t posted since then.
[1]: https://lkml.org/lkml/2019/2/14/1145 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1804591 Title: tsc: Fast TSC calibration failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804591/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs