[lxc-devel] [PATCH] Add support for checkpoint and restore via CRIU

Tue Sep 16 23:11:04 UTC 2014

I've added DECLARE_ARG("--evasive-devices"); in lxccontainer.c/exec_criu and I was finally able to dump the container.  It also restored but only when both -V and -d were passed to lxc-checkpoint.

But lxc-stop, lxc-attach, etc. hang  after the container is restored.  But that is expected at this point, isn't it?

The interesting part is that something like this is not needed but it is used in run.sh

DECLARE_ARG("-n net -n mnt -n ipc -n pid");

Lastly, could criu dump the entire command line to the logs when it is executed?  So the beginning of the log starts with something like:

(00.000047) ========================================
(00.000057) /usr/local/sbin/criu dump --tcp-established --evasive-devices --file-locks --link-remap --manage-cgroups.......
(00.000087) Dumping processes (pid: 22614)
(00.000093) ========================================

Krystof

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