@tomreyn My corrent config to get stability
C6 disabled in BIOS ALSR disabled kernel >= 4.14.4 with CONFIG_RCU_NOCB_CPU rcu_nocbs=0-15 processor.max_cstate=1 in GRUB_CMDLINE_LINUX I got lockups still with ASLR disabled and rcu_nocbs with the custom built kernel, once I added C6 disabled in bios and processor.max_cstate=1 I've gotten 6 weeks of uptime -- 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
