[CRIU] [Announce] CRIU 3.1 released

Adrian Reber adrian at lisas.de
Tue May 23 05:43:12 PDT 2017


On Tue, May 23, 2017 at 01:41:28PM +0300, Pavel Emelyanov wrote:
> On 05/23/2017 01:05 PM, Pavel Emelyanov wrote:
> > On 05/23/2017 09:36 AM, Adrian Reber wrote:
> >> On Mon, May 22, 2017 at 10:59:35PM +0300, Pavel Emelyanov wrote:
> >>> On 05/22/2017 09:36 PM, Adrian Reber wrote:
> >>>
> >>>>> Hm... I'm trying to install Fedora26-Alpha into a VM by using std network
> >>>>> install from libvirt and every attempt finishes with "no space left on
> >>>>> device" error, while I _do_ have space on both -- virtual and physical
> >>>>> disks. What's the image you've installed fedora from?
> >>>>
> >>>> Hmm... My installation is also in a VM but maybe a year old. I cannot
> >>>> remember when and how I installed it. 
> >>>
> >>> OK, it wanted 2Gigs of RAM to make install work :) Now I have Fedora-26
> >>> installed and criu/master compiled:
> >>>
> >>> # ./zdtm.py run -t zdtm/static/env00 -f h
> >>> === Run 1/1 ================ zdtm/static/env00
> >>>
> >>> ========================== Run zdtm/static/env00 in h ==========================
> >>> Start test
> >>> ./env00 --pidfile=env00.pid --outfile=env00.out --envname=ENV_00_TEST
> >>> Run criu dump
> >>> Run criu restore
> >>> Send the 15 signal to  24
> >>> Wait for zdtm/static/env00(24) to die for 0.100000
> >>> ========================= Test zdtm/static/env00 PASS ==========================
> >>>
> >>> The ns and uns flavors also work. How can I reproduce the hang you're seeing?
> >>
> >> Interesting, zdtm also works for me, but I am not able to dump other
> >> processes like: https://lisas.de/~adrian/memcmp.c
> >>
> >> criu dump -t `pidof memcmp` -j -vvvv
> >>
> >> Both the criu from my RPM and from the git checkout master does not
> >> work. zdtm works from git master.
> > 
> > Yup, it hangs for me as well :) will check.
> 
> OK, so it hangs while dumping cgroup with index 0, this is unified
> hierarchy. We have https://github.com/xemul/criu/issues/252 :)
> 
> Adrian, would you check whether this patch helps? On my box memcmp
> is dumpable and cgroup_stray too

Yes, with this patch dumping memcmp and cgroup_stray works. Thanks.

		Adrian


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