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Wireless USB keyboards and delayed keystrokes

April 29, 2012 Comments off

Everytime I was using my wireless USB keyboard with my laptop while the power cable was not connected, the keyboard behaviour was lousy, and keystrokes tend to be delayed by several seconds. The kernel logs said something like Read more…

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Tell Xorg to re-grab the keyboard

December 29, 2011 Comments off

OK, I was doing some debugging with Xorg, and thought I had to use the Magic SysRq key to kill it. But when I had pressed Alt-SysRq-R to give the keyboard control from Xorg back to the kernel, it turned out that I not longer needed to do another SysRq because my Xorg magically worked again… 😉 Unfortunately now, everytime I pressed Alt-F4 to close a window, I found myself on tty4… rather poor. So I needed some way to tell Xorg to grab the keyboard again, and there it is: Just open an xterm and execute

sudo kbd_mode -s
Categories: fix, howto Tags: , , , ,