** Summary changed: - KVM guest abnormal load after upgrade to 4.15.0-72 + KVM guest high load after upgrade to 4.15.0-72
** Description changed: - a idle kvm guest system with 4.15.0-70 , load is good: + a idle kvm guest system with 4.15.0-70 , load nearly zero: load average : 0.00, 0.04, 0.05 after upgrade to 4.15.0-72 or 4.15.0-74, load become abnormal: load average : 0.65, 0.49, 0.41 when apply this patch, load good again: - x86/timer: Force PIT initialization when !X86_FEATURE_ARAT + x86/timer: Force PIT initialization when !X86_FEATURE_ARAT https://github.com/torvalds/linux/commit/afa8b475c1aec185a8e106c48b3832e0b88bc2de could you pls apply this patch on upcoming kernel update ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1858760 Title: KVM guest high load after upgrade to 4.15.0-72 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1858760/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs