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>
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 ?
Please suggest.
-Rishi