(In reply to Borislav Petkov from comment #571) > (In reply to Lars Viklund from comment #570) > > rdmsr yields 6800000000010, which has bit 4 set. > > Looks like your BIOS applies the fix. Now, does the patch in comment #526 > fix your freezes?
Hi Boris, on my laptop with its latest BIOS I get: $ sudo rdmsr -a 0xc0011020 6800000000000 This is on: cpu family : 23 model : 17 model name : AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx stepping : 0 microcode : 0x8101007 Booting with: [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.20.16-200.fc29.x86_64 root=/dev/mapper/fedora-root ro resume=/dev/mapper/fedora-swap rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet LANG=en_US.UTF-8 idle=nomwait iommu=pt processor.max_cstate=1 Has your patch been applied to kernel yet? -- 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
