blag/post/tell-xorg-to-re-grab-the-keyboard.mdwn

   1 [[!meta title="Tell Xorg to re-grab the keyboard"]]
   2 [[!meta date="2011-12-29 23:45"]]
   3 [[!meta author="rohieb"]]
   4 [[!meta license="CC-BY-SA 3.0"]]
   5
   6 OK, I was doing some debugging with Xorg, and thought I had to use the
   7 [Magic SysRq][0] key to kill it. But when I had pressed Alt-SysRq-R to
   8 give the keyboard control from Xorg back to the kernel, it turned out
   9 that I not longer needed to do another SysRq because my Xorg magically
  10 worked again… ;-) Unfortunately now, everytime I pressed Alt-F4 to close
  11 a window, I found myself on tty4… rather poor. So I needed some way to
  12 tell Xorg to grab the keyboard again, and [there it is][1]: Just open an
  13 xterm and execute
  14
  15     sudo kbd_mode -s
  16
  17 [0]: http://en.wikipedia.org/wiki/Magic_SysRq_key
  18 [1]: https://learninginlinux.wordpress.com/2010/06/16/debugging-notes-to-self/
  19
  20 [[!tag fix howto debugging Linux shell SysRq Xorg]]