[CRIU] checkpoint failure in docker test

[Andrew Vagin]

On Wed, Jul 13, 2016 at 08:19:34PM +0000, Ross Boucher wrote:
> :(
> 
> But, I think we're talking about aufs here and not overlayfs.

What kernel do you use here? I can't reproduce this issue.

root at ubuntu-1gb-nyc1-01:~/criu# cat /etc/debian_version 
jessie/sid
root at ubuntu-1gb-nyc1-01:~/criu# uname -a
Linux ubuntu-1gb-nyc1-01 4.4.0-28-generic #47~14.04.1-Ubuntu SMP Fri Jun
24 16:30:35 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux


> 
> On Wed, Jul 13, 2016 at 1:13 PM Andrew Vagin <avagin at virtuozzo.com> wrote:
> 
>     On Mon, Jul 04, 2016 at 08:55:50PM +0300, Pavel Emelyanov wrote:
>     > On 06/29/2016 09:07 AM, Andrew Vagin wrote:
>     > > On Tue, Jun 28, 2016 at 10:13:13PM +0000, Ross Boucher wrote:
>     > >> Andrew, did you have any other thoughts on this?
>     > >
>     > >   > And I ran the exact same commands outside of docker-in-docker just
>     fine,
>     > >   > so its AUFS docker-in-docker that isn't working I guess.
>     > >
>     > > How is it critical for us to solve this issue? I am not a big fan of
>     > > aufs and overlayfs. Will this issue block a pull-request into Docker?
>     >
>     > I guess this would be pretty important.
>     >
>     > Andrey, can you describe what's the issue is from the kernel-to-criu
>     > communication POV?
> 
>     Yesterday I tried to investigate this issue, but
>     http://thread.gmane.org/gmane.linux.file-systems.union/826
> 
>     overlayfs isn't enough stable to work with my karma :-D
> 
>     >
>     > -- Pavel
>     >
>