2018-05-24 3:47 GMT+03:00 Wanpeng Li <kernellwp@xxxxxxxxx>: > 2018-05-24 3:33 GMT+08:00 Sergey Al. Slabnov <sergey.slabnov@xxxxxxxxx>: >> Hi! >> >> I found a problem that if you hot-add and enable vCPU, then the time >> inside the virtual machine breaks down. >> The problem occurs only if the properties of the virtual machine >> include support for kvm-clocks. If you turn off the kvm-clock from the >> host system side, then almost everything is fine. >> >> >> My test host system: >> QEMU emulator version 2.11.1 (in KVM mode) >> libvirt 1.3.5 >> > > What's the version of your host kernel? > On on the main test host I have the kernel version 4.4.0-112-generic, on other servers I have a slightly different version 4.4.0-** just because they haven't rebooted yet. Installed for Ubuntu 14.04 via linux-generic-lts-xenial package Suggestions how to try to debug pvclock protocol used by the kvm-clock? -- Thank you, Sergey
