Date: Wed, 07 Dec 2005 07:03:19 +0000 From: johnwrussell@comcast.net To: freebsd-stable@freebsd.org Subject: Adventurous fix for wheel mouse not working in FreeBSD 6.0 Message-ID: <120720050703.13264.43968936000DCA87000033D0220076106404040A9C9C9A9D9902080106@comcast.net>
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After installing FreeBSD 6.0, I was no longer able to scroll using the wheel on my Logitech Optical Mouse. I ran moused with the -fd flags and confirmed that the mouse daemon was catching the z-axis events. My xorg.conf looked OK to me:
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Device" "/dev/sysmouse"
Option "CorePointer"
Option "AlwaysCore"
Option "Protocol" "Auto"
Option "Buttons" "5"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection
I struggled for days and tried dozens of things. I came to suspect that the
problem was related to changes in the way ZAxisMapping is handled by Xorg. Based on stuff in an Xorg mailing list, I suspect further changes, likely to be corrective, will be in future versions of the FreeBSD xorg-server port.
However, for the adventurous and impatient, this is what I did to fix my problem:
1. Edit /usr/ports/x11-servers/xorg-server/work/xc/programs/Xserver/hw/xfree86/input/mouse/mouse.c
and change from NULL to "4 5" in the following line:
530c530
< s = xf86SetStrOption(pInfo->options, "ZAxisMapping", "4 5");
---
> s = xf86SetStrOption(pInfo->options, "ZAxisMapping", NULL);
2. portupgrade -Wwf xorg-server
3. Restart the X server with CTRL-ALT-Backspace.
I don't really know why it works, so I recommend it only for daredevils, unless someone wiser can say it is sound.
Cheers,
John
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