It seems more like a problem with X.org, per https://wiki.ubuntu.com/Bugs/FindRightPackage#Graphical_Environment Changing package accordingly.
** Package changed: vlc (Ubuntu) => xorg (Ubuntu) ** Summary changed: - session + Session terminates while using some video players -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1292737 Title: Session terminates while using some video players To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1292737/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp