Unfortunately this didn't fix the problem. The mouse pointer moves much
more slowly, and it's being detected as a touchpad by xinput, but the
control panel still only offers mouse pointer speed and no touchpad
options.
It also looks like the touchscreen is being detected twice now, once as
USB as before but now also as PS/2 (?!), which might be an error. FWIW,
it was working fine before testing your custom kernel, when only the USB
enumeration was present.
$ xinput --list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Fujitsu Component USB Touch Panel id=9 [slave pointer (2)]
⎜ ↳ LBPS/2 Fujitsu Lifebook Touchpad id=11 [slave pointer (2)]
⎜ ↳ LBPS/2 Fujitsu Lifebook TouchScreen id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
↳ Panasonic Laptop Support id=13 [slave keyboard (3)]
$ xinput list-props 11 | grep /dev/input/event
Device Node (258): "/dev/input/event6"
$ udevadm info -q path -n /dev/input/event6
/devices/platform/i8042/serio2/input/input12/event6
$ udevadm info -a -p /devices/platform/i8042/serio2/input/input12/event6
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/platform/i8042/serio2/input/input12/event6':
KERNEL=="event6"
SUBSYSTEM=="input"
DRIVER==""
looking at parent device '/devices/platform/i8042/serio2/input/input12':
KERNELS=="input12"
SUBSYSTEMS=="input"
DRIVERS==""
ATTRS{name}=="LBPS/2 Fujitsu Lifebook Touchpad"
ATTRS{phys}=="isa0060/serio2/input1"
ATTRS{properties}=="0"
ATTRS{uniq}==""
looking at parent device '/devices/platform/i8042/serio2':
KERNELS=="serio2"
SUBSYSTEMS=="serio"
DRIVERS=="psmouse"
ATTRS{bind_mode}=="auto"
ATTRS{description}=="i8042 AUX1 port"
ATTRS{firmware_id}=="PNP: FJC6001 PNP0f13"
ATTRS{protocol}=="LBPS/2"
ATTRS{rate}=="100"
ATTRS{resetafter}=="5"
ATTRS{resolution}=="200"
ATTRS{resync_time}=="0"
looking at parent device '/devices/platform/i8042':
KERNELS=="i8042"
SUBSYSTEMS=="platform"
DRIVERS=="i8042"
ATTRS{driver_override}=="(null)"
looking at parent device '/devices/platform':
KERNELS=="platform"
SUBSYSTEMS==""
DRIVERS==""
** Attachment added: "Fresh dmesg output when booted to test kernel"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1740116/+attachment/5039191/+files/dmesg
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https://bugs.launchpad.net/bugs/1740116
Title:
Touchpad incorrectly being detected by kernel as PS/2 mouse
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