[Bug 473613] Re: konsole locks up, Ctrl-Alt-F1 fails, apps will not launch

[Vik]

Please reassign to a general X bug. This problem can be caused in Gnome
too. To make it happen quickly, just adjust the screen brightness using
the Power manager applet in either KDE or Gnome on an Acer Aspire 9300
laptop (uses nvidia GeForce Go 7300).

WARNING! Once this is done, your system will become unusable as you will
not be able to enter any console or enter console commands from X.

Last error in /var/log/messages is:

Nov 12 15:49:35 vik kernel: [ 1656.989134] ACPI Error (dsfield-0140): [CB04] Namespace lookup failure, AE_ALREADY_EXISTS
Nov 12 15:49:35 vik kernel: [ 1656.989157] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.AMW0.WMCA] (Node f700ecc0), AE_ALREADY_EXISTS
Nov 12 15:49:35 vik kernel: [ 1656.989178] ACPI: Marking method WMCA as Serialized because of AE_ALREADY_EXISTS error


Vik :v)

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konsole locks up, Ctrl-Alt-F1 fails, apps will not launch
https://bugs.launchpad.net/bugs/473613
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