(In reply to alfie from comment #542) > Here (Asus CrossHair VI, 1600, gentoo with any kernel around), no suggested > workaround works. The system freezes when in very light use and I was never > able to obtain a single line of debug via serial (I put a small linux mini > itx box near this computer just to receive the serial log). > > It seems like after a workaround is applied (BIOS settings, iddle=halt, > rcu_nocbs=0-11 and so on), the BAI (Bug AI) finds a way to freeze the system > again and the dances restart. > > Ryzen is not a CPU to run Linux onto.
Strange, since idle=halt makes both my machines rock stable. Do you have AMD-V enabled? If so, iommu=pt fixes some problems that can occur with that. -- 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