[CRIU] Can't move into blkio//lxc/ycu/tasks (-1/-1): No such file or directory

[Pavel Emelyanov]

On 03/31/2015 12:40 PM, Ruslan Kuprieiev wrote:
> After a bit more digging, I can see, that 1000 at blkio is somehow not created,
> even though beancounter/1000 is.

Beancounter? It's OpenVZ-specific cgroup, CRIU currently doesn't handle it.

> cgroups tree also shows that only beancounter has dir 1000 and others only dir 0.
> 
> Any ideas?

If blkio/1000 is not there, then CRIU hasn't created one. The respective mkdir()
code is at prepare_cgroup_dirs(). You can put more debug into it to see what's
going on.

-- Pavel