I can confirm this only seems to happen with compiz/AIGLX. When I first encountered this I thought it was a feature of Beryl, but when it didn't gradually fade out I realised it was a bug.
-- compiz: firefox autoscrolling cursor leaves trailing marks https://launchpad.net/bugs/58622 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs