I've been experiencing what look like the same bug on Debian, and I've filled-in a bug report in X.org bugzilla, including two clean stack traces.
https://bugs.freedesktop.org/show_bug.cgi?id=21464 ** Bug watch added: freedesktop.org Bugzilla #21464 https://bugs.freedesktop.org/show_bug.cgi?id=21464 ** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=21464 Importance: Unknown Status: Unknown -- hang on BOGUS LENGTH in write keyboard desc https://bugs.launchpad.net/bugs/311076 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
