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

[Cyrill Gorcunov]

On Tue, Mar 26, 2013 at 09:32:29PM +0400, Cyrill Gorcunov wrote:
> On Tue, Mar 26, 2013 at 09:31:23PM +0400, Cyrill Gorcunov wrote:
> > On Tue, Mar 26, 2013 at 07:28:42PM +0200, Kevin Wilson wrote:
> > > Hello,
> > > First I want to mention that I run as root.
> > > Second, any idea what does it mean
> > > "Can't checkpoint task running in compat mode" in this log ?
> > > 
> > > What is this "compat mode"?
> > 
> > Compat mode is when 32bit task runs in 64bit kernel. In other words.
> > one of the task you're trying to dump has been compiled in 32bit
> > mode and now crtools can't handle it (for now we don't support
> > such tasks).
> 
> I would suggest to take a look into "ps afx" output, then check
> the log and find which exactly task is failing (by looking up
> into pid of the task).

Or simplier, say you got in log

(00.315689) Error (cr-dump.c:1286): Can't infect (pid: 940) with parasite

just do

$ cat /proc/940/comm

and

$ cat /proc/940/cmdline

	Cyrill