[CRIU] failure dumping nginx in docker container

Pavel Emelyanov xemul at parallels.com
Wed Jun 3 03:56:47 PDT 2015


On 06/03/2015 03:26 AM, Ross Boucher wrote:
> I'm continuing to work on getting criu support in docker, and someone in the pull request tried checkpointing an nginx container but was unable to. I tried and got the same result, here's the log:
> 
> https://gist.github.com/boucher/0db7cb44e90f7d3c62bc
> 
> The relevant line is:
> 
> (00.120390) Error (proc_parse.c:404): Can't handle non-regular mapping on 16462's map 7f41597a7000

This means that mapping with start address 0x7f41597a7000 is neither anonymous
nor the one with regular file. Can you show the /proc/$pid/maps for this process
so we could find out what is mapped there?

> Any ideas?
> 
> -Ross
> 
> Here's the pull request, for the record:
> https://github.com/docker/docker/pull/13602
> 
> 
> _______________________________________________
> CRIU mailing list
> CRIU at openvz.org
> https://lists.openvz.org/mailman/listinfo/criu
> 



More information about the CRIU mailing list