I have this same problem, but my errors are going to my .xsession-errors file, as I'm starting kodi after logging in instead. Maybe the bug is in kodi? I'm using kodi 17 beta 4, with Ubuntu 16.04 and kodi 16.1 I did not have any problems.
-- 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/1636573 Title: xinit flooding syslog To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1636573/+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