Public bug reported:

Binary package hint: hal-info

As in 8.10, the key that is supposed to deactivate the touchpad on my
Compaq Presario CQ70 is not working in 9.04 Beta. This key is located
just above the touchpad, and when activated should deactivate the
touchpad. The color of the button is white, and when pressed changes to
red/orange, but apart of this color change, it has no effect.

I have followed the directions on
https://wiki.ubuntu.com/Hotkeys/Troubleshooting and went until step 9.
This is the output I get from sudo input-events 4:

[code]
sudo input-events 4
/dev/input/event4
   bustype : BUS_I8042
   vendor  : 0x1
   product : 0x1
   version : 43841
   name    : "AT Translated Set 2 keyboard"
   phys    : "isa0060/serio0/input0"
   bits ev : EV_SYN EV_KEY EV_MSC EV_LED EV_REP

waiting for events
22:11:35.630829: EV_MSC code=4 value=156
22:11:35.630847: EV_KEY KEY_KPENTER (0x60) released
22:11:35.630850: EV_SYN code=0 value=0
22:11:37.473023: EV_MSC code=4 value=216
22:11:37.473056: EV_SYN code=0 value=0
22:11:37.479393: EV_MSC code=4 value=216
22:11:37.479420: EV_SYN code=0 value=0
22:11:40.252551: EV_MSC code=4 value=217
22:11:40.252573: EV_KEY KEY_HELP (0x8a) pressed
22:11:40.252580: EV_SYN code=0 value=0
22:11:40.259384: EV_MSC code=4 value=217
22:11:40.259405: EV_KEY KEY_HELP (0x8a) released
[/code]

What I conclude from this are 2 things:
- when pressing the key the first time (deactivated -> activated), the key is 
recognized as 216 and has an unknown symbolic key name
- however when pressing it for the second time, it is recognized as 217 and has 
the name of "EV_KEY KEY_HELP"

Does anyone have an idea how to fix this?

I have attached all the recommended Useful Information:

hal-find-by-capability --capability input | xargs -n1 lshal -u > lshal.log
lshal |grep system.hardware > lshal_hardware.log
dmesg > dmesg.log
sudo lsinput > lsinput.log
xkbcomp -xkb :0 - > xkbcomp.txt
setxkbmap -print > xkbmap.txt

Note: xkbcomp -xkb :0 generated the following warning message:
Warning:          Could not load keyboard geometry for :0
                  BadAlloc (insufficient resources for operation)
                  Resulting keymap file will not describe geometry


Thanks,
Emilien.

P.S.: This is my first bug report, I hope to have included all the
necessary information! Please tell me if you need more.


lsb_release -rd
Description:    Ubuntu jaunty (development branch)
Release:        9.04


apt-cache policy hal-info
hal-info:
  Installé : 20090324-0ubuntu1
  Candidat : 20090324-0ubuntu1
 Table de version :
 *** 20090324-0ubuntu1 0
        500 http://us.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

** Affects: hal-info (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: hotkey touchpad

-- 
[9.04 Beta] - Hotkey for deactivating touchpad not working
https://bugs.launchpad.net/bugs/352864
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