funcionar mouse USB com scroll no linux edite o arquivo /etc/X11/XF86Config e mude as regras do mouse para essas abaixo. Testado no slackware. Section "InputDevice" Identifier "Mouse1" Driver "mouse" Option "SendCoreEvents" "yes" Option "Device" "/dev/input/mice" Option "Protocol" "IMPS/2" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection