Some information. I was having this issue all the time on my Asus x370 and my Ryzen 1800x.
I upgraded my mainboard to an Asus x470, and the issue disappeared overnight. Same ram/CPU/add-on cards/OS So, potentally due to the x370, or the combonation of early Ryzen + x370 -- 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