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unresponsive desktop

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May. 16th, 2007 | 04:25 am
mood: busybusy

Nice to know: if your X desktop becomes unresponsive, it's probably because some app has locked up while it has 'grabbed' the mouse and keyboard inputs, and killing the guilty process will release it. So drop to a console and start picking off suspicious processes until you regain control.

http://docs.kde.org/stable/en/kdebase/faq/tips.html#id2564149

EDIT: and if that only frees up the keyboard, leaving the mouse stuck... relaunch the guilty app that you killed, and close it again. You get the mouse back!

EDIT: Here's another (new?) way of dealing with it. Keep in mind some apps may crash if you take away their toys :)
Section "ServerFlags"
  Option "AllowDeactivateGrabs" "true"
EndSection
If this works, X will allow the Ctrl-Alt-(keypad "/") combination to ungrab the mouse and keyboard.

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Comments {8}

Triple Entendre

(no subject)

from: triple_entendre
date: May. 16th, 2007 04:19 pm (UTC)
Link

another interesting tidbit: if a runaway app eats all the memory, the kernel will hunt it down and kill it automatically. well, actually, it starts killing off *anything* that looks like a hog until you have breathing room again. Not sure if all distros enable this.

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Triple Entendre

even better: a keyboard shortcut for 'gimme that'

from: triple_entendre
date: Sep. 1st, 2007 09:15 am (UTC)
Link

Here's another (new?) way of dealing with it. Keep in mind some apps may crash if you take away their toys :)
Section "ServerFlags"
  Option "AllowDeactivateGrabs" "true"
EndSection

If this works, X will allow the Ctrl-Alt-(keypad "/") combination to ungrab the mouse and keyboard.

Reply | Parent | Thread