[Lxc-users] lxc-destroy does not destroy cgroup

[Arie Skliarouk]

I am sorry, the problem was on my side - did a syntax mistake in the
lxc.conf.
Disregard my previous message and continue the good job you are doing! :)

--
Arie



On Sun, Dec 18, 2011 at 18:19, Arie Skliarouk <skliarie at gmail.com> wrote:

> What could be worse than a cgroup is not deleted by lxc-destroy? Why,
> inability to create a cgroup using lxc-create!
>
> Seriously, the host machine can not start vservers anymore. This is after
> one of the cgroups got stuck in the unremovable state.
>
> With these issues it becomes harder and harder for me to justify LXC to my
> boss...
>
> --
> Arie
>
>
> On Tue, Dec 13, 2011 at 00:01, Serge Hallyn <serge.hallyn at canonical.com>wrote:
>
>> Quoting Gordon Henderson (gordon at drogon.net):
>> > On Thu, 8 Dec 2011, Arie Skliarouk wrote:
>> >
>> > > When I tried to restart the vserver, it did not came up. Long story
>> short,
>> > > I found that lxc-destroy did not destroy the cgroup of the same name
>> as the
>> > > server. The cgroup remains visible in the /sys/fs/cgroup/cpu/master
>> > > directory. The tasks file is empty though.
>> >
>> > And just now, I've had the same thing happen - a container failed to
>> > start and it left it's body in /cgroup - with empy tasks.
>>
>> The patch I sent out on Friday should help handle that more gracefully -
>> it moves the cgroup out of the way so a new container can start.  You'll
>> need to clean the old one up by hand if you care to, though lxc could
>> easily provide a tool to clean it up (and move and analyze any tasks left
>> running in the cgroup, though I suspect in most cases there are none).
>>
>> -serge
>>
>>
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>
>
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