*** This bug is a duplicate of bug 261721 ***
https://bugs.launchpad.net/bugs/261721
The bug task for the somerville project has been removed by an automated
script. This bug has been cloned on that project and is available here:
https://bugs.launchpad.net/bugs/1305910
** No longer affects: somerville
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https://bugs.launchpad.net/bugs/285323
Title:
[Intrepid] Losing keyboard and mouse control when changing screen
brightness with fn + arrow (Dell)
Status in Gnome Powermanager:
Invalid
Status in Release Notes for Ubuntu:
New
Status in “acpid” package in Ubuntu:
Invalid
Status in “gnome-power-manager” package in Ubuntu:
Invalid
Status in “linux” package in Ubuntu:
New
Status in “xserver-xorg-input-evdev” package in Ubuntu:
Invalid
Status in “acpid” source package in Intrepid:
Invalid
Status in “gnome-power-manager” source package in Intrepid:
Invalid
Status in “linux” source package in Intrepid:
Triaged
Status in “xserver-xorg-input-evdev” source package in Intrepid:
Invalid
Bug description:
On my Dell inspiron 9300 laptop under intrepid (hardy did not have
this problem), when I type FN + Arrow keys to change the screen
brightness, Most of mouse and keyboard keys stop working.
For an example : I can't type any text anywhere, ALT + F4 does not
close any window, mouse clicks "partially" opens the gnome-panel
menus, isn't able to close windows with the right-top x, but mouse
click is still able to move a window..
screencast :
http://upload.leservicetechnique.com/bugs/mouse_keyboard_acpid.ogv
This bug is reproducible under both metacity and compiz, and not
caused by a BIOS password.
A quick workaround to bring back things to normal is to switch to a VT
and go back to Xorg with CTRL + ALT + F6 and CTRL + ALT + F7
When changing screen brightness, I get this in Xorg.0.log :
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Open ACPI successful (/var/run/acpid.socket)
(II) AIGLX: Resuming AIGLX clients after VT switch
(II) AlpsPS/2 ALPS GlidePoint: x-axis range 0 - 1023
(II) AlpsPS/2 ALPS GlidePoint: y-axis range 0 - 767
(--) AlpsPS/2 ALPS GlidePoint touchpad found
(II) Macintosh mouse button emulation: Device reopened after 10 attempts.
(**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5
(**) Macintosh mouse button emulation: EmulateWheelButton: 4,
EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) PS/2 Mouse: Device reopened after 10 attempts.
(**) PS/2 Mouse: YAxisMapping: buttons 4 and 5
(**) PS/2 Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10,
EmulateWheelTimeout: 200
(II) AT Translated Set 2 keyboard: Device reopened after 10 attempts.
(II) Video Bus: Device reopened after 10 attempts.
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