Using a fixed pixel size would be a mistake, as on very large resolutions it would be tiny.
I have no idea why this is happening but it sounds like the Xserver is not reporting the correct resolution or such. -- Unreadable Font Size for GDM Login/Password https://launchpad.net/bugs/36251 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
