This is not a qgis bug. Please follow the guidelines at: https://wiki.ubuntu.com/X/Reporting and report a bug against Xorg
(As a side note as an owner of a radeon card, I highly recommend upgrading to ubuntu lucid, the radeon drivers have had many updates the last year) ** Changed in: qgis (Ubuntu) Status: New => Invalid -- launching QGIS freezes system with KDE Desktop Effects enabled https://bugs.launchpad.net/bugs/376049 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs