I have the very same problem, after upgrading to 11.04 from lts, on a Toshiba Portege with the following controller:
> lspci | grep Display 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) I don't know if this can help: when zooming in or out the problem usually disappears (it seems to be related to font size) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/782855 Title: missing pixels (horizontal lines) in font rendering -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs