[CRIU] Re: [PATCH] zdtm: Mount devtmpfs and devpts in new root

[Cyrill Gorcunov]

On Fri, Sep 28, 2012 at 11:44:18PM +0400, Andrew Vagin wrote:
> On Mon, Sep 17, 2012 at 01:53:33PM +0400, Cyrill Gorcunov wrote:
> > In case if we enter the new rootfs don't forget to
> > maount devtmpfs and devpts, otherwise ttys can't
> > be connected.
> > 
> > Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> > ---
> >  test/zdtm/lib/ns.c |    9 +++++++++
> >  1 files changed, 9 insertions(+), 0 deletions(-)
> > 
> > diff --git a/test/zdtm/lib/ns.c b/test/zdtm/lib/ns.c
> > index 664715f..4a933cc 100644
> > --- a/test/zdtm/lib/ns.c
> > +++ b/test/zdtm/lib/ns.c
> > @@ -107,6 +107,15 @@ done:
> >  			fprintf(stderr, "mount(/proc) failed: %m\n");
> >  			return -1;
> >  		}
> > +		if (mount("devtmpfs", "/dev", "devtmpfs", MS_MGC_VAL, NULL)) {
> > +			fprintf(stderr, "mount(/dev) failed: %m\n");
> > +			return -1;
> > +		}
> > +		if (mount("pts", "/dev/pts", "devpts", MS_MGC_VAL, NULL)) {
> LXC mounts a new instance of devpts:
> mount("devpts", "/mnt", "devpts", MS_MGC_VAL, "newinstance")

Yup, which barely kills crtools then ;)

Test: zdtm/live/static/pty00
====================== ERROR ======================
Dump log   : /home/crtools/test/dump/pty00/18566/dump.log
Error (net.c:103): Unsupported link type 768
Error (net.c:103): Unsupported link type 778
Error (net.c:103): Unsupported link type 768
Error (net.c:103): Unsupported link type 776
Error (net.c:103): Unsupported link type 769

need to figure out how the hell the net.c code is involved ;)

	Cyrill