I'm using xfce4.8 on Debian wheezy (dpkg xfce 22.214.171.124). Initially I only had GNOME3, but did'nt like unity and installed xfce from the debian repos.
My problem is: The mouse jumps in the direction I point it to instead of smoothly moving there. It's like ->...........----------------........... with the dots being normal cursor movement while during the - signs, the mouse cursor isn't shown at all, it just re-appears at the next dots.
Sometimes, it also slows down, like the system is under so high load that it can't display the mouse cursor movement properly.
I checked that high load is not the problem, system is almost idle in these situations.
I use a Thinkpad T400, my /usr/share/X11/xorg.conf.d/20-thinkpad.conf is:
Section "InputClass" Identifier "Trackpoint Wheel Emulation" MatchProduct "TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|USB Trackpoint pointing device" Driver "evdev" MatchIsPointer "on" MatchDevicePath "/dev/input/event*" Option "EmulateWheel" "true" Option "EmulateWheelButton" "2" Option "Emulate3Buttons" "false" Option "XAxisMapping" "6 7" Option "YAxisMapping" "4 5" EndSection
What can I do to troubleshoot this or is this a known issue? I didn't find, perhaps due to wrong search terms (not native in English)...
Thank you in advance
From the Main Menu, go to Applications->Settings->Mouse. Look at Feedback on the Device tab; your Acceleration setting is probably too high.
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Checked that, Acceleration is 2.0. The problem is that I can't reproduce the issue, it sometimes "just happens". Wouldn't it be a persisting problem instead of an intermittent one if it had to do with the Acceleration setting though?