[CRIU] crtools error checkpoint/restore error ("Unable to open pstree.img")

[Cyrill Gorcunov]

On Tue, Mar 26, 2013 at 09:03:21PM +0400, Pavel Emelyanov wrote:
> On 03/26/2013 08:44 PM, Kevin Wilson wrote:
> > Hi,
> > Tried it with -x.
> > in dump.log, this is the (first) error I get:
> > 
> > Error (ptrace.c:75): Unseizeable non-zombie 527 found, state R
> > This error appears several times in the log.
> 
> This means, that ptrace cannot attach to the process. Do you run crtools as root?

Btw, maybe we could print out the failing task name (as far as I remember
we have a bunch of procfs helpers but I did some idiotic debug patch for
this).