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? > Li, thank you for reminding me about the host kernel version. The simplest solution was the right one. I check this kernel: kernel 4.15.0-15-generic - no problem kernel 4.13.0-43-generic - no problem kernel 4.10.0-42-generic - broken kvmclock kernel 4.8.0-58-generic - broken kvmclock kernel 4.4.0-127-generic - broken kvmclock -- Thank you, Sergey
