[Lxc-users] can't remove cgroup

[Serge Hallyn]

Quoting Brian K. White (brian at aljex.com):
> On 6/16/2011 3:26 PM, Serge Hallyn wrote:
> > Quoting Brian K. White (brian at aljex.com):
> >> I thought we killed this problem?
> > ...
> >> nj12:~ # rm -rf /sys/fs/cgroup/vps001
> >
> > rmdir
> >
> 
> Did that too. no joy.
> 
> In fact I did both the main directory and several runs of find|xargs to 
> delete files and directories using rm -f , rm -rf and rmdir.
> I'll have to wait for it to happen again to diagnose what the problem 
> was. I had to reboot the host because I needed that vm back up.
> 
> I'm guessing the developer was doing something I didn't expect within 
> the vm, besides the use of the reboot command, to tie up the context 
> group even after all processes went away.

Or maybe, if you don't have a release agent set, he just ran something
like vsftpd which created new cgroups by cloning?

-serge