I send a ubuntu-bug report. Yes, the reaction time was slow and there were artefacs at the external screen.
-- 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/1040053 Title: 10de:0df4 [Dell XPS 15 L502X] no nouveau HDMI support with dual grafic card in Ubuntu 12.04LTS with 3.2.0-29-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1040053/+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
