lxc-start: Device or resource busy - failed to remove previous cgroup
dschauer at gmail.com
Mon Jan 4 07:21:42 PST 2010
On Mon, Jan 4, 2010 at 4:40 AM, Daniel Lezcano <daniel.lezcano at free.fr> wrote:
> Did you check the file /cgroup/<name>/tasks is empty ? it's probably a dumb
> question, but just in case :)
Ok, since this is easy enough to reproduce, I got it into this state again.
$ cat /cgroup/arch64-1/tasks
it is empty
> Can you give the content of cat /proc/slabinfo | grep namespace ? Does the
> number of objects reach zero ? (assuming you have just one container).
cat /proc/slabinfo | grep namespace
pid_namespace 4 6 2112 3 2 : tunables 24 12
8 : slabdata 2 2 0
net_namespace 0 0 1984 2 1 : tunables 24 12
8 : slabdata 0 0 0
I have two containers, but only one was started and stopped this session.
> Maybe I am missing something, but I suspect a bug in the kernel. Can you
> check if that happens with a more recent kernel ?
Ok, yes, I'll do that.
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