Red Hat Bugzilla – Bug 457376
"fn" on white ibook g4 appears as if always pressed
Last modified: 2009-07-14 11:53:17 EDT
Description of problem:
I have a white ibook G4 running Fedora 9 (upgraded from F8). In order to adjust
LCD brightness, sound volume, sound muting one should normally press the fn key
in the lower left corner and one of the function keys (fn + F1 to lower the
The problem is that it looks like the fn key is in pressed state always. This
means I can adjust brightness by just pressing F1 or F2. If I want the normal
behavior of a function key (e.g. opening the GNOME help) I need to press fn plus
a function key. So the mechanic is actually reversed. This is pretty annoying
when wanting to switch to the (non X11) console.
The odd behavior of the fn key is also apparent at the raw linux terminal which
is why I think this is a kernel issue.
Version-Release number of selected component (if applicable):
(I had this problem with all of the kernel available for F9. It was not there on
Steps to Reproduce:
1. Power on laptop, logon to X11.
2. Press F1 - if it dims the LCD backlight, this is the problem
Pressing F1 dims LCD backlight.
Should open the GNOME help.
Smolt profile for my machine is here:
Is this fixed in 22.214.171.124-79.fc9?
I updated to kernel 126.96.36.199-79.fc9.ppc and the problem is still there.
A friend told me that MacOS X has an option to reverse the behavior of the fn key.
I assume if such an option exist it would be stored in nvram. I searched the 'common' partition for a suitable entry but found none.
Since I have never used OS X on this machine (except for burning the Fedora CD) I also have doubts that this could be the reason for this issue.
Is there anything I could do to better identify the problem? Setting kernel log level, output of some /proc or /sys files or something like that?
I upgraded to the latest 188.8.131.52 kernel on Fedora 9 and the problem is still there.
I wonder whether I am the only one experiencing this problem... :$
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