(In reply to Borislav Petkov from comment #569) > (In reply to Tolga Cakir from comment #568) > Such a "fix" does not exist. Possibly because it is unlikely this is causing > it and BIOS might be applying the fix already. People with B1s (model 1, > stepping 1) could test though by doing as root: > > # modprobe msr > # rdmsr -a 0xc0011020 > > and looking at bit 4 in the result.
I've got an ASUS PRIME X370-PRO with the B1 CPU mentioned on firmware 4024 (from 2018/09/28). rdmsr yields 6800000000010, which has bit 4 set. -- 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
