[lxc-devel] Session Leader

Tycho Andersen tycho.andersen at canonical.com
Sat Jan 10 03:30:33 UTC 2015


On Fri, Jan 09, 2015 at 07:49:54PM -0600, riya khanna wrote:
> Why is init not a session leader? I faced an issue with using CRIU
> because of that. Adding CRIU folks as well.

How did you call CRIU to do the dump?

Tycho

> Error (cr-dump.c:1598): A session leader of 74(1) is outside of its
> pid namespace
> 
>    68 0          0:00 lxc-start -n container -f lxc.conf -d -- /init
>    74 0          0:00 /init
> 
> 
> On Mon, Jan 5, 2015 at 9:48 AM, Serge Hallyn <serge.hallyn at ubuntu.com> wrote:
> > lcxapi_start calls setsid but not from the task which will become the
> > container init.
> >
> > Quoting beproject criu (beprojectcriu at gmail.com):
> >> Dear LXC Developers,
> >> Does anybody have any idea why lxc-start executable does not make init the
> >> session leader, whereas lxcapi_start function does call setsid()
> >>
> >> On Sat, Jan 3, 2015 at 11:55 AM, Ashish Bijlani <ashish.bijlani at gmail.com>
> >> wrote:
> >>
> >> > Could you reply to this email and ask LXC developers to help….if anyone
> >> > has any idea on this.
> >> >
> >> > Ask why lxc-start executable does not make init the session leader,
> >> > whereas lxcapi_start function does call setsid()
> >> >
> >> > On Dec 25, 2014, at 10:19 AM, beproject criu <beprojectcriu at gmail.com>
> >> > wrote:
> >> >
> >> > Dear LXC Developers,
> >> >
> >> > Why init of spawned container is not a session leader?.
> >> > Can i change the session leader of lxc container using hooks,etc?
> >> > If yes, how do i do it.
> >> >
> >> > Thanks.
> >> >
> >> > _______________________________________________
> >> > lxc-devel mailing list
> >> > lxc-devel at lists.linuxcontainers.org
> >> > http://lists.linuxcontainers.org/listinfo/lxc-devel
> >> >
> >> >
> >> >
> >
> >> _______________________________________________
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> >> lxc-devel at lists.linuxcontainers.org
> >> http://lists.linuxcontainers.org/listinfo/lxc-devel
> >
> > _______________________________________________
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