Re: [Libcg-devel] [libvirt]: Not able to login to container when cgroup is enabled

Dhaval Giani wrote: >On Wed, Oct 14, 2009 at 06:07:26AM +0900, Ryota Ozaki wrote: > >>Hi Rishikesh, >> >>On Tue, Oct 13, 2009 at 3:09 PM, Rishikesh <risrajak(a)linux.vnet.ibm.com&gt; >>wrote: >> >>>Rishikesh wrote: >>> >>>Cgroup config file & controllers mount shows like this : >>>[root@mhs21a ~]# cat /proc/mounts | grep cgroup >>>cgroup /cgroups/cpu cgroup rw,relatime,cpu 0 0 >>>cgroup /cgroups/cpuacct cgroup rw,relatime,cpuacct 0 0 >>>cgroup /cgroups/memory cgroup rw,relatime,memory 0 0 >>> >>AFAIW, libvirt requires "device" subsystem of cgroups as well. >>Without it, an assistant subprocess of libvirtd will die soon. >> >> > >So rishi, could add a devices line as well to the cgconfig configuratoin >file, and test it out? > > Cool !!! I am able to run container, once mounted "device" susbsystem too. Thanks Ryota. [root@mhs21a ~]# cat /proc/mounts | grep cgroup cgroup /cgroups/cpu cgroup rw,relatime,cpu 0 0 cgroup /cgroups/cpuacct cgroup rw,relatime,cpuacct 0 0 cgroup /cgroups/memory cgroup rw,relatime,memory 0 0 cgroup /cgroups/devices cgroup rw,relatime,devices 0 0 [root@mhs21a ~]# /etc/init.d/cgconfig stop Stopping cgconfig service: [ OK ] [root@mhs21a ~]# /etc/init.d/cgconfig start Starting cgconfig service: [ OK ] [root@mhs21a ~]# virsh -c lxc:/// Welcome to virsh, the virtualization interactive terminal. Type: 'help' for help with commands 'quit' to quit virsh # list --all Id Name State ---------------------------------- - vm1 shut off virsh # start vm1 Domain vm1 started virsh # list --all Id Name State ---------------------------------- 1525 vm1 running virsh # console vm1 Connected to domain vm1 Escape character is ^] sh-4.0# ps -ef UID PID PPID C STIME TTY TIME CMD root 1 0 0 10:27 pts/3 00:00:00 /bin/sh root 4 1 0 10:27 pts/3 00:00:00 ps -ef sh-4.0# So, Are we fixing the flow of libvirt & cgroup start mechanism ? Because user need not have to stop "libvirtd" , if he wants to use cgroup ?