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From Dmitriy Lyubimov <dlie...@gmail.com>
Subject Mesos, lxc and ubuntu 12
Date Wed, 12 Jun 2013 23:26:40 GMT
Hello,

is there anything speicific to ubuntu 12 that needs to be done to make
Mesos work with LCX?

I set things up according to ubuntu docs,
https://help.ubuntu.com/12.10/serverguide/lxc.html#lxc-creation

and all container examples there seem to be happily working.

However, some mesos unit tests are failing (which i suspect are relating to
lxc) as well as lxc isolation mode fails to spawn tasks.

(I am actually on ubuntu 12-04 LTS).

Is there any speicific way to troubleshoot this? Is LXC in Mesos even
working with Ubuntu 12?

thank you in advance. (slave output enclosed).
-d

I0612 16:24:20.682698 26452 slave.cpp:474] Got assigned task 0 for
framework 201306121623-16777343-5050-26417-0000
I0612 16:24:20.683425 26452 paths.hpp:234] Created executor directory
'/tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363'
I0612 16:24:20.683630 26453 lxc_isolation_module.cpp:121] Launching Task 0
("/home/dmitr...) (/usr/local/libexec/mesos/mesos-executor) in
/tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363 with
resources ' for framework 201306121623-16777343-5050-26417-0000
I0612 16:24:20.683945 26453 lxc_isolation_module.cpp:152] Forked executor
at = 26570
lxc-execute: No such file or directory - failed to create
'/sys/fs/cgroup/cpuset//lxc/mesos_executor_Task 0
("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000' directory
lxc-execute: failed to spawn 'mesos_executor_Task 0
("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000'
lxc-execute: No such file or directory - failed to remove cgroup
'/sys/fs/cgroup/cpuset//lxc/mesos_executor_Task 0
("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000'
I0612 16:24:21.451616 26452 lxc_isolation_module.cpp:322] Telling slave of
lost executor Task 0 ("/home/dmitr...) of framework
201306121623-16777343-5050-26417-0000
I0612 16:24:21.451709 26452 lxc_isolation_module.cpp:239] Stopping
container mesos_executor_Task 0
("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000
I0612 16:24:21.452199 26454 slave.cpp:998] Executor 'Task 0
("/home/dmitr...)' of framework 201306121623-16777343-5050-26417-0000 has
exited with status 255
sh: 1: Syntax error: "(" unexpected
E0612 16:24:21.453227 26452 lxc_isolation_module.cpp:248] Failed to stop
container mesos_executor_Task 0
("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000, lxc-stop
returned: 512
I0612 16:24:21.453385 26454 slave.cpp:829] Status update: task 0 of
framework 201306121623-16777343-5050-26417-0000 is now in state TASK_FAILED
E0612 16:24:21.453583 26453 lxc_isolation_module.cpp:273] ERROR! Asked to
update resources for an unknown executor!
I0612 16:24:21.453891 26451 gc.cpp:97] Scheduling
/tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363 for removal

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