D, given you have a WORKAROUND, I would recommend using that going forward until a fix for the issue is provided. There seems to be something strange going on with the compiz upstream bug tracker, so I would recommend holding off on filing a report there until it's resolved.
** Changed in: compiz (Ubuntu) Status: New => Triaged ** Also affects: compiz Importance: Undecided Status: New -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp