[CRIU] [Announce] CRIU 3.1 released

[Adrian Reber]

On Mon, May 22, 2017 at 07:52:41PM +0300, Dmitry Safonov wrote:
> 2017-05-22 19:03 GMT+03:00 Dmitry Safonov <0x7f454c46 at gmail.com>:
> > 2017-05-22 18:56 GMT+03:00 Adrian Reber <adrian at lisas.de>:
> >> On Mon, May 22, 2017 at 05:17:21PM +0200, Adrian Reber wrote:
> >>> On Mon, May 22, 2017 at 05:12:48PM +0200, Adrian Reber wrote:
> >>> > On Mon, May 22, 2017 at 11:58:35AM +0300, Pavel Emelyanov wrote:
> >>> > > The 3.1 is out. This is not a huge release, we have a couple of bugfixes,
> >>> > > a set of improvements and a few new features. Most of what we have now
> >>> > > is a prerequisite for some "big thing" in the future.
> >>> > >
> >>> > > Changelog: https://criu.org/Download/criu/3.1
> >>> > > Sources: https://download.openvz.org/criu/criu-3.1.tar.bz2
> >>> >
> >>> > I just tried it on Fedora 26 and it does not work anymore:
> >>> >
> >>> > https://lisas.de/~adrian/dump.log (4.11.1-300.fc26.x86_64)
> >>> >
> >>> > The failure above is from the tarball. On a RHEL kernel the git checkout
> >>> > from the tag v3.1 still works.
> >>>
> >>> criu actually just hangs. Nothing happens until I press CTRL+C
> >>
> >> And criu-dev does not build on above kernel:
> >>
> >> In file included from soccr/soccr.c:9:0:
> >> soccr/soccr.h:14:8: error: redefinition of ‘struct tcp_repair_window’
> >>  struct tcp_repair_window {
> >>         ^~~~~~~~~~~~~~~~~
> >> In file included from soccr/soccr.c:5:0:
> >> /usr/include/netinet/tcp.h:312:8: note: originally defined here
> >>  struct tcp_repair_window
> >>         ^~~~~~~~~~~~~~~~~
> >> make[1]: *** [/share/criu/scripts/nmk/scripts/build.mk:111: soccr/soccr.o] Error 1
> >> make: *** [Makefile:200: soccr/built-in.o] Error 2
> >
> > This looks to be mine...
> > I'll check it.
> 
> Ok, I think it's simple:
> you've previously built criu on an older kernel with older uapi,
> which has no struct tcp_repair_window.
> Which means that you've criu/include/config.h generated
> for the previous kernel.
> 
> Please, run `make mrproper` after updating kernel on dirty criu
> directory before building new criu.

Thanks, now it builds. It used to be possible to use a common NFS with
different distributions and 'make clean'. I try to avoid 'make mproper'
as it deletes my tags file and I always forget to run 'make tags'
afterwards. Thanks. criu-dev builds again. But it also does not work.

		Adrian