Took the question of where to check, libxcb or callers like xwininfo, to the xcb mailing list for discussion: http://lists.freedesktop.org/archives/xcb/2012-August/007840.html
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1028274 Title: xwininfo segfaults if given a non-existent screen with -display option To manage notifications about this bug go to: https://bugs.launchpad.net/x11-utils/+bug/1028274/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs