(In reply to Antoine Pitrou from comment #398) > @Daniel what makes you think this bug is fixed? It certainly isn't for me. > I have a ASRock Fatal1ty X370 Gaming X motherboard, a Ryzen 7 1700 CPU, have > updated the motherboard BIOS to its latest version (4.80 with > PinnaclePI-AM4_1.0.0.2 Patch A) and am still getting idle lockups with > kernel 4.15.0-32-generic (Ubuntu 18.04.1 kernel). The workaround for me is > to disable C6 states using the Zenstates.py script (which has the > unfortunate side effect of lowering the max CPU frequency in single-threaded > mode). > > (I also don't see any "Typical Current Idle" option in my Setup options, > though I might have overlooked it)
Hi Antoine, i checked the manual of your Asrock motherboard quickly. For your machine the "typical idle current" is named "c6 mode" Disable it and you get the "typical idle current", i think. While keeping the boost monothread. -- 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
