Description of problem:
Builds abort like
Start time Thu Sep 15 08:19:27 CEST 2016
Build timed out (after 300 minutes). Marking the build as aborted.
Build was aborted
Other builds have been aborting on this slave for a while, all builds listed on https://build.gluster.org/computer/nbslave7g.cloud.gluster.org/builds are aborted.
This slave has been disabled, preventing further test failures.
There was a whole bunch of stuck umount processes. I did a `reboot -n` and it's back in action.