An example with mulitple monitors may need a separate bug report. Here notebook and pc, each single monitor and ati card, sync to vblank und unredirect on, no tearing.
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV710 [Radeon HD 4350/4550] [1002:954f] Subsystem: PC Partner Limited / Sapphire Technology Device [174b:174b] Kernel driver in use: radeon compiz: Installed: 1:0.9.11.2+14.04.20140714-0ubuntu1 Candidate: 1:0.9.11.2+14.04.20140714-0ubuntu1 Version table: *** 1:0.9.11.2+14.04.20140714-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 1:0.9.11+14.04.20140409-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1307144 Title: 'unredirect fullscreen windows' causes tearing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1307144/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs