X stops receiving mouse clicks

Marius Gedminas marius at gedmin.as
Tue May 12 06:35:51 PDT 2009

On Tue, May 12, 2009 at 05:57:00PM +1000, Peter Hutterer wrote:
> no, actually. this is how input devices work. the physical devices are
> abstracted away through the virtual core pointer. all events go through this
> core pointer device, and if an application grabs it then events are no
> longer sent to anyone else. same with the keyboard.
> hence if you have a rogue grab, all devices seem to stop working.

Are there any debugging facilities for finding out which X client has
the grab?

I once spent an hour killing all processes one by one until I found the
one responsible (gnome-settings-daemon):

Marius Gedminas
IBM motto: "We found five vowels hiding in a corner, and we used
them _all_ for the 'eieio' instruction so that we wouldn't have to use
them anywhere else"
		-- Linus Torvalds
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