Which version of libxcb does this apply to? It's likely to be fixed in a more recent release. Have you checked this?
** Changed in: libxcb (Ubuntu) Importance: Undecided => Medium ** Changed in: libxcb (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libxcb in Ubuntu. https://bugs.launchpad.net/bugs/1095600 Title: xcb_grab_keyboard and window manager interaction is broken Status in libxcb package in Ubuntu: Incomplete Bug description: Description: Ubuntu 12.04.1 LTS Release: 12.04 1) Run the attached example (xcb application); 2) Press "Space" button to grab the keyboard; Expected: Window is still movable around, since xcb_grab_keyboard sets pointer handling to XCB_GRAB_MODE_ASYNC (x11 spec says "If pointer_mode is XCB_GRAB_MODE_ASYNC , pointer event processing is unaffected by activation of the grab. ") Actual: Window is stuck. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libxcb/+bug/1095600/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp