Indeed, the issue is that a CorePointer cannot match multiple devices (the MX revolution exposes several devices, including some keyboard buttons).
solution: as mentioned, use SendCoreEvents for the evdev device as James said. Sorry James, I did not understand that you had solved it and how... See the linked xorg bug report. ** Bug watch added: freedesktop.org Bugzilla #6800 https://bugs.freedesktop.org/show_bug.cgi?id=6800 ** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=6800 Importance: Unknown Status: Unknown -- evdev mice: "Fatal server error:bogus pointer event from ddx" https://bugs.launchpad.net/bugs/97643 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