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2decff6393
For button release events, the current code picks the VCK. Because that has a XKB struct, it thinks this is a PointerKeys event and proceeds to send the release event through the XTest pointer. That has no effect in normal operation as the button is never down and an attempt is silently discarded (normal event processing continues with the VCP). On server shutdown, the XTest device is already removed, leading to a null-pointer derefernce when the device is checked for whether buttons are down (XkbFakeDeviceButton → button_is_down(xtest pointer)). The current state has only worked by accident, the right approach here is to handle the VCP's event as such and not switch to the keyboard. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Keith Packard <keithp@keithp.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
Xorg mailing list:
http://lists.freedesktop.org/mailman/listinfo/xorg
Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
http://cgit.freedesktop.org/xorg/xserver
For patch submission instructions, see:
http://www.x.org/wiki/Development/Documentation/SubmittingPatches
For more information on the git code manager, see:
http://wiki.x.org/wiki/GitPage