[CRIU] LXC DUMP ERROR

[Pavel Emelyanov]

On 10/02/2014 06:46 PM, Tycho Andersen wrote:
> On Thu, Oct 02, 2014 at 06:28:48PM +0400, Pavel Emelyanov wrote:
>> On 09/30/2014 08:42 PM, riya khanna wrote:
>>> What is needed to add support for shared mounts. What could cause
>>> checkpointing of shared mounts to fail? Even I'm facing the same
>>> issue. Thanks!
>>
>> Tycho, I guess these are shared with smth on host, right? I.e.
>> the mount points are "external" from CRIU's perspective.
> 
> I guess so, although I don't know for sure (maybe Serge knows?). Is
> this something that criu can handle with --ext-mount-map?

If the root of the bind mount is sitting outside of the container's
root, then yes :) This is what the --ext-mount-map was designed for.

> If so, perhaps we could have lxc-checkpoint detect those somehow and tell
> criu.

Why detect? I thought lxc knows all external bind-mounts it creates.

Thanks,
Pavel