FYI, I have found a way to terminate instance:
virsh schedinfo <domain> --set vcpu_quota=20000
After this, shutdown, reboot and destroy all works. Of course, this
disables the vcpu throttling. It was set to 5000, which may cause the CPU
stall problem in guest.
Thanks,
Yuanle
On Sat, Feb 8, 2014 at 11:34 AM, sylecn <syl...@gmail.com> wrote:
> Hi,
>
> I'm using libvirt/kvm with openstack. When vm has CPU stall, the instance
> can't be destroyed. I have asked the question on openstack user mailing
> list and received no answers in weeks.
>
> Here is one example:
>
> # virsh destroy instance-00000085
> error: Failed to destroy domain instance-00000085
> error: Failed to terminate process 61222 with SIGKILL: Device or
> resource busy
>
> # lsof -p 61222
> # ps -f -p 61222
> UID PID PPID C STIME TTY TIME CMD
> 107 61222 1 68 Jan24 ? 9-23:06:19 [qemu-system-x86]
> <defunct>
>
> The log in /var/log/libvirt/libvirtd.log:
> 2014-02-08 03:21:31.597+0000: 2177: error :
> virProcessKillPainfully:315 : Failed to terminate process 61222 with
> SIGKILL: Device or resource busy
>
> Restart libvirt-bin service did not solve the problem.
>
> virsh shutdown/reboot just hang. Maybe that is because the CPU in vm is
> stalled.
>
> I wonder if there is some way to destroy (or rebuild) dead instance
> without rebooting the hypervisor. Any suggestions is welcome.
>
> The software I am running:
> hypervisor os: ubuntu 12.04.3
> hypervisor kernel: 3.8.0-35-generic
> vm os: ubuntu 12.04
> vm kernel: 3.2.0-56-virtual
> openstack: havana
> libvirt: 1.1.1-0ubuntu8~cloud2
>
> Thanks,
> Yuanle
>
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