> On Fri, 13 Apr 2018 03:14:44 +0000 > "Wuzongyong (Euler Dept)" <cordius...@huawei.com> wrote: > > > Hi, > > > > I try to hot add vcpus to a windows server 2012r2 virtual machine on > RHEL 7.4 platform. > > But Task Manager didn't show extra processors I hot added though they > > appeared in Device Manager. Actually, I need to require reboot the vm > > to make processors hot Added appear in Task Manager. > > Is there some problem with redhat qemu? Why the processors I hot-added > > didn't online automatically? > > I don't know if I ask the right person or in a right mail list, > apologize first if I bother you. > It might depend on particular edition of windows server you are running. > I usually test it with 'data server' edition where it supposed to work. > Could you check if that works? Win2012 datacenter build 9200 don't help. I try to install a high version qemu from a centos repo, and it can hot-add vcpus normally. I guess the release of qemu in rhel 7.5 is too low.
Thanks, Wu Zongyong