[CRIU] lxc - cgroup related restore error

Cyrill Gorcunov gorcunov at gmail.com
Wed Jul 13 03:41:34 PDT 2016


On Wed, Jul 13, 2016 at 12:29:01PM +0200, Adrian Reber wrote:
> 
> If I am trying to migrate a process while a LXC container is running on
> the source system the migration fails during restore on the destination
> system with:
> 
> Error (cgroup.c:1193): cg: Failed writing 0-3 to cpuset//lxc/c7/cpuset.cpus: Numerical result out of range
> Error (cgroup.c:1470): cg: Restoring special cpuset props failed!
> 
> This happens with CRIU 2.3 and latest GIT.
> 
> If I am running a LXC container on the destination system I still get
> this error. If I am stopping the LXC container on the source system the
> error disappears. This is again on a RHEL7 system with a 3.10.something
> kernel.

Looks like you're migratin into machine with less number of cpus?


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