I have no reasonable explanation for this. A single pipe flickering, perhaps. but not both in sync.
Can you please boot with drm.debug=6 on your kernel command line and just a single monitor, then plug in the external display to trigger the flashing, and then attach the output of dmesg? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1165723 Title: After connecting/disconnecting second monitor displays are blinking To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1165723/+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
