[CRIU] --restore-detached & service restore problems?

[Tycho Andersen]

Hi Pavel,

On Mon, Aug 04, 2014 at 12:29:01PM +0400, Pavel Emelyanov wrote:
> On 08/01/2014 09:03 PM, Tycho Andersen wrote:
> > Hi all,
> 
> Hi, Tycho.
> 
> If this is still relevant:
> 
> > I'm having trouble running criu with --restore-detached or via the
> > service/rpc. When I run criu without --restore-detached, everything
> > works as expected, but when I run it with, criu seems to fork and
> > restore all the processes, and then they promptly exit (or die, not
> > sure) when the restore is done. The log is normal as far as I can
> > tell.
> > 
> > Has anyone else experienced this? Any ideas as to what is going on?
> 
> When restoring via service the --restore-detached is forced into true,
> so that what is being restored doesn't live as service's child.

Yeah, that is what I guessed. I suppose they are caused by the same
thing?

> As far as CLI usage, this can be due to pdeath_sig :( Can you check
> whether the root task contains one in the core image?

Yes, it does. Is there an easy way to work around this?

Tycho