Re: [Qemu-devel] Hot add vcpu not working in Windows server 2012r2
On Mon, 16 Apr 2018 07:28:47 + "Wuzongyong (Euler Dept)" wrote: > > On Fri, 13 Apr 2018 03:14:44 + > > "Wuzongyong (Euler Dept)" 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. Basic RHEL version is pretty old, you should use qemu-kvm-rhev instead. > > Thanks, > Wu Zongyong
Re: [Qemu-devel] Hot add vcpu not working in Windows server 2012r2
> On Fri, 13 Apr 2018 03:14:44 + > "Wuzongyong (Euler Dept)" 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
Re: [Qemu-devel] Hot add vcpu not working in Windows server 2012r2
On Fri, 13 Apr 2018 03:14:44 + "Wuzongyong (Euler Dept)" 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? > > Thanks, > Zongyong Wu >
