I can confirm the behaviour akromic describes. After quite some time of heavy scrolling, firefox finally moves one line. Does that point us in some direction?
dmesg | grep -i ibm:
[ 74.342522] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 74.574748] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input8
I can confirm the behaviour akromic describes. After quite some time of heavy scrolling, firefox finally moves one line. Does that point us in some direction?
dmesg | grep -i ibm: platform/ i8042/serio1/ serio2/ input/input8
[ 74.342522] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 74.574748] input: TPPS/2 IBM TrackPoint as /devices/