This is also happening on my desktop (Nvidia graphics) and laptop (Intel 915 graphics). It's when the Compiz Desktop Effects are turned and is specifically related to the Wobbly Windows feature.
Install compiz-settings-manager and turn off wobbly and the defect disappears. Alternately, in the wobbly settings, pushing the top two sliders (Friction and Spring IIRC) to the far right, and the two below those nearer to the left side (but not all the way) really minimizes the effect. Ideally, I'd like to be able turn off the 'stickyness' of the wobbly altogther, as it bugs me, but I see no option for this. -- window border flaps or oscillates by itself https://bugs.launchpad.net/bugs/155658 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
