Christopher M. Penalver (penalvch), have installed 14.04.1 onto a USB
hard drive, rebooted from this, and yes, the touchpad works fine.
Relevant section from xorg log pasted below. Rebooted from internal
hard drive and touchpad not working.
Regards
[ 44.743] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad
(/dev/input/event4)
[ 44.746] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev
touchpad catchall"
[ 44.746] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad
catchall"
[ 44.746] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default
clickpad buttons"
[ 44.746] (II) LoadModule: "synaptics"
[ 44.747] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
[ 44.844] (II) Module synaptics: vendor="X.Org Foundation"
[ 44.844] compiled for 1.15.0, module version = 1.7.4
[ 44.844] Module class: X.Org XInput Driver
[ 44.844] ABI class: X.Org XInput driver, version 20.0
[ 44.844] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics
TouchPad'
[ 44.844] (**) SynPS/2 Synaptics TouchPad: always reports core events
[ 44.844] (**) Option "Device" "/dev/input/event4"
[ 44.864] (II) synaptics: SynPS/2 Synaptics TouchPad: ignoring touch events
for semi-multitouch device
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1222 -
5734 (res 48)
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 910 -
4974 (res 95)
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 -
15
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left right
double triple
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
[ 44.864] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[ 44.865] (**) SynPS/2 Synaptics TouchPad: always reports core events
[ 44.896] (**) Option "config_info"
"udev:/sys/devices/platform/i8042/serio1/input/input5/event4"
[ 44.896] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics
TouchPad" (type: TOUCHPAD, id 11)
[ 44.896] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is
now constant deceleration 2.5
[ 44.896] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MaxSpeed is
now 1.75
[ 44.896] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) AccelFactor is
now 0.033
[ 44.897] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration
scheme 1
[ 44.897] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
[ 44.897] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
[ 44.897] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[ 44.897] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[ 44.898] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad
(/dev/input/mouse0)
[ 44.898] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass
"touchpad ignore duplicates"
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1362584
Title:
[HP 255 G1 Notebook PC] Synaptics Touchpad not Working after upgrade
from 12.04.1 LTS to 14.04.1 LTS
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