On Thu, Jun 10, 2010 at 01:45:05PM +0900, Jerf gefera wrote: > Dear there, > The self_checkpoint and self_restart are working now, but why external > checkpoint cannot work.I did it like the following two ways: > 1) $./onetask & > $./checkpoint 4347 >img > checkpoint: Device or resource busy > (you may use 'ckptinfo -e' for more info) > > And the content in the image file is "[Error at do_checkpoint:583][err > -16]Freezer cgroup failed" (You need to freeze it as you're trying to do below...) > 2) $./onetask & > $.echo 4354 > /cgroup/0/tasks > $echo FROZEN > /cgroup/0/freezer.state > $./checkpoint 4354 > ckpt.image > checkpoint: Device or resource busy > (you may use 'ckptinfo -e' for more info) > And the content in the image file is "[Error at do_checkpoint:583][err > -16]Freezer cgoup failed" > The content in freezer.state is "FROZEN". I do not know what is wrong, can > anyone can give me a hand. You verified that the task shows up in /cgroup/0/tasks? (I ask because you can't move a task into an already-frozen cgroup) Are you still using v19? Cheers, -Matt Helsley _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
