Binary package hint: hal-info
$ lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
Computer Model: Sony VAIO VGN-S660
With hal-info [20080317+git20080318-1ubuntu4] I hadn't this problem, but the new version [20081001-0ubuntu1~hardy1] has made some problems:
When I press the mute key combination (Fn+F2) the function is triggered twice, so for an instant the audio goes mute and then it come back. Also the volume control key combinations (Fn+F3 and Fn+F4) change the volume 2 steps at once.
Here is the output of xev when I press the mute key combination on my system:
KeyPress event, serial 29, synthetic NO, window 0x3c00001,
root 0x1a6, subw 0x0, time 6926641, (252,-49), root:(257,0),
state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 29, synthetic NO, window 0x3c00001,
root 0x1a6, subw 0x0, time 6926641, (252,-49), root:(257,0),
state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 29, synthetic NO, window 0x3c00001,
root 0x1a6, subw 0x0, time 6926714, (252,-49), root:(257,0),
state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 29, synthetic NO, window 0x3c00001,
root 0x1a6, subw 0x0, time 6926714, (252,-49), root:(257,0),
state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
But when I press one of the brightness control key combinations, it acts normally (not displayed correctly by the gnome the-thing-which-shows-how-bright-is-your-monitor, but its not a problem; before the update, there was not any gnome the-thing... :P). There are just a pair of KeyPress-KeyRelease for each of those combinations.
I'm using a Vaio SZ2HP and I have exactly the same problem (though I don't really know what triggered it.
In my case, the problem was solved by following the instructions in:
http://
In particular, all I did was:
1) lshal | grep 'system.
2) edit /usr/share/
3) add the string to the list of models (In my case it was 'VGN-SZ2HP_B')
4) sudo /etc/init.d/hal restart
and it was working.
The attachment contains the fix for my problem.