This is a bug in the upstream xserver-xorg-1.3 and has been fixed in 1.4. The bug I filed against the xorg-server is http://bugs.freedesktop.org/show_bug.cgi?id=12834
** Bug watch added: freedesktop.org Bugzilla #12834 https://bugs.freedesktop.org/show_bug.cgi?id=12834 ** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=12834 Importance: Unknown Status: Unknown -- ati/radeon driver has issues with resolution of external displays https://bugs.launchpad.net/bugs/64128 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