ok, now I understood, but I still not understand why X thinks that 1280x1024 is a wrong resolution:
(II) RADEON(0): Not using default mode "1280x1024" (hsync out of range) (II) RADEON(0): Not using default mode "1280x1024" (vrefresh out of range) -- 6.7.192 resolution not correctly detected https://bugs.launchpad.net/bugs/137626 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