[CRIU] Trying to Checkpoint LXC

[Andrew Vagin]

On Fri, Nov 29, 2013 at 02:39:01PM -0500, Nipun Arora wrote:
> Hi all,
> 
> Thanks for the assist, I still seem to be having problems. Is there any other
> specific configuration flags I need to be aware of ? 
> Even with the lxc.console = none in the config still seem to have some issues.
> 
> Here is the dump.log attached...

Could you try to set lxc.tty=0. We don't support external terminals yet.

Thanks,
Andrey
> 
> Thanks
> Nipun
> 
> 
> On Sun, Nov 24, 2013 at 2:21 PM, Andrew Vagin <avagin at parallels.com> wrote:
> 
>     On Sun, Nov 24, 2013 at 12:16:31AM +0400, Pavel Emelyanov wrote:
>     > On 11/23/2013 01:35 AM, Nipun Arora wrote:
>     > > (02.773070) tty: Dumping tty 68 with id 0x158
>     > > (02.773214) Error (tty.c:221): tty: Unexpected format on path /dev/lxc/
>     tty4
>     > > (02.773278) ----------------------------------------
>     >
>     >
>     > That's the reason of failure. If I'm not mistaken, this is an external
>     console
>     > of the container. We haven't looked at supporting such containers yet (we
>     don't
>     > create such when we start OpenVZ containers).
>     >
>     > If you can configure your container not to create this thing, dump should
>     > proceed.
> 
>     http://criu.org/LXC
> 
>     You can add "lxc.console=none" in a container config.
> 
>     > Another option could be to tune the tty.c file to detect LXC consoles
>     > and dump them as such (most of the code should be there, we just need the
>     > proper detection and a mark in the image file, that this thing is an LXC
>     > console).
>     >
>     > Thanks,
>     > Pavel
>     > _______________________________________________
>     > CRIU mailing list
>     > CRIU at openvz.org
>     > https://lists.openvz.org/mailman/listinfo/criu
> 
> 


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