I am affected by this bug too, with an Intel 915GM on a Toshiba laptop. Here is my Xorg.0.log, collected on a Gutsy installation. It looks like the model is the same which has been already reported above, but I am attaching this "just in case". Currently I am using the -dpi option as a workaround.
** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/10570498/Xorg.0.log -- DDC report some ridiculous physical screen size (Mostly on Intel driver, and some ATI) https://bugs.launchpad.net/bugs/151311 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