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Old 11-17-2007, 07:27 PM   #1
Registered: Apr 2002
Location: Arlington, MA
Distribution: Slackware, Debian, OpenBSD
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lost mouse after upgrade to -current

Very strange. I upgraded my laptop (Dell Inspiron 4100 fwiw) to Slackware -current a few days ago, and since then my very plain ps2 mouse does not work (nor does the touchpad, but I never used that much). gpm fires up on bootup as before, is apparently running (ps -ef | grep gpm shows the process right there) but no mouse. Nor any mouse when I start up X.

The mouse was working under the generic 2.6.21-smp kernel that preceded the one now in -current.

I feel very stupid, but I have poked around in /etc and Googled this and although I have found hints here and there, hardware is _really_ a weakness. I suspect there is a problem with a module not loading or working correctly, but am unsure where to go from here. Any advice would be appreciated. Thanks!

(going to see what lnsmod tells me).

Old 11-17-2007, 11:50 PM   #2
Registered: Apr 2005
Location: Colombia
Distribution: Slackware 14.2
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That is because of the Synaptics driver and the Xorg Version in Current. Rworkman came up with a nice Fix (
Old 11-18-2007, 10:49 AM   #3
Registered: Oct 2007
Location: Indiana, PA
Distribution: Slackware 14
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All I did was go into /etc/rc.modules- and uncomment the psmouse module:

### Mouse support:
# PS/2 mouse support:
# The default in Slackware is to use proto=imps because that works with the
# most types of mice out of the box. For example, using proto=any will
# completely break the mouse if you change consoles with several models of KVM
# switches.
# This is commented out here because a better place to configure the options
# for the psmouse module is in /etc/modprobe.d/psmouse.
/sbin/modprobe psmouse proto=imps

Perhaps a less elegant solution, but it worked for me

Old 11-18-2007, 01:17 PM   #4
Slackware Contributor
Registered: Oct 2004
Location: Tuscaloosa, Alabama (USA)
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If you'd read CHANGES_AND_HINTS.TXT (which you should *ALWAYS* do when upgrading), you would have noticed the following:
The psmouse module is no longer blacklisted by default; instead, it is loaded
  with the imps protocol per /etc/modprobe.d/psmouse -- if you need/want a 
  different protocol, edit that file.

The /etc/modprobe.d/blacklist file has been changed significantly; be sure to
  move/merge the /etc/modprobe.d/ file in its place.
In other words, what's happened to you is this:
You still have the old /etc/modprobe.d/blacklist file from Slackware 12, and since module-init-tools looks at *every* file in /etc/modprobe.d/, you have the psmouse module blacklisted (per the old blacklist file in 12.0). This is why you have to move/merge the *.new files when you upgrade.
Old 11-19-2007, 04:11 AM   #5
Registered: Apr 2002
Location: Arlington, MA
Distribution: Slackware, Debian, OpenBSD
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Thanks so much, all. I will never again neglect CHANGES_AND_HINTS.TXT!


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