Hi Xiaoyang, Could you please install the debugging version of xorg and attach debugging information? See: https://help.ubuntu.com/community/DebuggingXAutoconfiguration and https://wiki.ubuntu.com/DebuggingXorg for details.
** Changed in: xorg (Ubuntu) Importance: Undecided => Low Status: New => Incomplete -- It does not refresh well when dragging a window in the rotated screen https://bugs.launchpad.net/bugs/129380 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