------- Comment From [email protected] 2017-05-04 09:01 EDT------- (In reply to comment #10) > I built a test kernel with these four patches. The test kernel can be > downloaded from: > http://kernel.ubuntu.com/~jsalisbury/lp1685792/
I have verified that the CPU-Hotplug functions correctly on this kernel on a machine booted with upstream skiboot. It can be observed that the CPUs were put into stop1 on a hotplug. ============================================================ root@ubuntu:/home/ego# dmesg | grep -i "deep" | grep stop [ 0.702036] cpuidle-powernv: Deepest stop: psscr = 0x0000000000300331,mask=0x00000000003003ff [ 0.702185] cpuidle-powernv: Requested Level (RL) value of first deep stop = 0xf ============================================================ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1685792 Title: Offlined CPUs of a core fail to come up online on POWER9 DD1 (Ubuntu 17.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1685792/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
