So AMD has finally published the revision guide for 17h family, which includes errata: https://developer.amd.com/wp-content/resources/55449_1.12.pdf
Would be cool if someone with more knowledge about that kind of stuff could have a quick look through and see if this issue could be related to anything in there. So far "1109 MWAIT Instruction May Hang a Thread" sounds somewhat related. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690085 Title: Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1690085/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs