I have the same problem. I use one screen above the other and my
vertical mouse pointer speed is about double of the horizontal speed.
It's unusable this way.
Now this might be a different bug or not a bug at all, but I noticed
that the VertResolution and HorizResolution options are missing, even
though they are specified in man synaptics:
---------------
Option "VertResolution" "integer"
Resolution of X coordinates in units/millimeter.
The value is used together with HorizResolution to
compensate unequal vertical and horizontal sensi‐
tivity. Setting VertResolution and HorizResolution
equal values means no compensation. Default value
is read from the touchpad or set to 1 if value
could not be read. Property: "Synaptics Pad Reso‐
lution"
Option "HorizResolution" "integer"
Resolution of Y coordinates in units/millimeter.
The value is used together with VertResolution to
compensate unequal vertical and horizontal sensi‐
tivity. Setting VertResolution and HorizResolution
equal values means no compensation. Default value
is read from the touchpad or set to 1 if value
could not be read. Property: "Synaptics Pad Reso‐
lution"
---------------
synclient:
---------------
Parameter settings:
LeftEdge = 130
RightEdge = 3130
TopEdge = 114
BottomEdge = 2005
FingerLow = 1
FingerHigh = 1
FingerPress = 256
MaxTapTime = 180
MaxTapMove = 171
MaxDoubleTapTime = 180
SingleTapTimeout = 180
ClickTime = 100
FastTaps = 1
EmulateMidButtonTime = 0
EmulateTwoFingerMinZ = 282
EmulateTwoFingerMinW = 7
VertScrollDelta = 77
HorizScrollDelta = 77
VertEdgeScroll = 0
HorizEdgeScroll = 0
CornerCoasting = 0
VertTwoFingerScroll = 1
HorizTwoFingerScroll = 1
MinSpeed = 1
MaxSpeed = 0.1
AccelFactor = 0.1
TrackstickSpeed = 40
EdgeMotionMinZ = 30
EdgeMotionMaxZ = 160
EdgeMotionMinSpeed = 1
EdgeMotionMaxSpeed = 311
EdgeMotionUseAlways = 0
TouchpadOff = 2
LockedDrags = 0
LockedDragTimeout = 5000
RTCornerButton = 0
RBCornerButton = 0
LTCornerButton = 0
LBCornerButton = 0
TapButton1 = 1
TapButton2 = 2
TapButton3 = 3
ClickFinger1 = 1
ClickFinger2 = 3
ClickFinger3 = 2
CircularScrolling = 0
CircScrollDelta = 0.1
CircScrollTrigger = 0
CircularPad = 0
PalmDetect = 1
PalmMinWidth = 4
PalmMinZ = 1
CoastingSpeed = 20
CoastingFriction = 50
PressureMotionMinZ = 30
PressureMotionMaxZ = 160
PressureMotionMinFactor = 1
PressureMotionMaxFactor = 1
GrabEventDevice = 1
TapAndDragGesture = 1
AreaLeftEdge = 0
AreaRightEdge = 0
AreaTopEdge = 0
AreaBottomEdge = 0
HorizHysteresis = 19
VertHysteresis = 19
ClickPad = 1
RightButtonAreaLeft = 1630
RightButtonAreaRight = 0
RightButtonAreaTop = 1737
RightButtonAreaBottom = 0
MiddleButtonAreaLeft = 0
MiddleButtonAreaRight = 0
MiddleButtonAreaTop = 0
MiddleButtonAreaBottom = 0
---------------
xinput list-props "ETPS/2 Elantech Touchpad":
---------------
Device 'ETPS/2 Elantech Touchpad':
Device Enabled (129): 1
Coordinate Transformation Matrix (131): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (258): 1
Device Accel Constant Deceleration (259): 2.500000
Device Accel Adaptive Deceleration (260): 1.000000
Device Accel Velocity Scaling (261): 12.500000
Synaptics Edges (283): 130, 3130, 114, 2005
Synaptics Finger (284): 1, 1, 256
Synaptics Tap Time (285): 180
Synaptics Tap Move (286): 171
Synaptics Tap Durations (287): 180, 180, 100
Synaptics ClickPad (288): 1
Synaptics Tap FastTap (289): 1
Synaptics Middle Button Timeout (290): 0
Synaptics Two-Finger Pressure (291): 282
Synaptics Two-Finger Width (292): 7
Synaptics Scrolling Distance (293): 77, 77
Synaptics Edge Scrolling (294): 0, 0, 0
Synaptics Two-Finger Scrolling (295): 1, 1
Synaptics Move Speed (296): 1.000000, 0.100000, 0.100000, 40.000000
Synaptics Edge Motion Pressure (297): 30, 160
Synaptics Edge Motion Speed (298): 1, 311
Synaptics Edge Motion Always (299): 0
Synaptics Off (300): 2
Synaptics Locked Drags (301): 0
Synaptics Locked Drags Timeout (302): 5000
Synaptics Tap Action (303): 0, 0, 0, 0, 1, 2, 3
Synaptics Click Action (304): 1, 3, 2
Synaptics Circular Scrolling (305): 0
Synaptics Circular Scrolling Distance (306): 0.100000
Synaptics Circular Scrolling Trigger (307): 0
Synaptics Circular Pad (308): 0
Synaptics Palm Detection (309): 1
Synaptics Palm Dimensions (310): 4, 1
Synaptics Coasting Speed (311): 20.000000, 50.000000
Synaptics Pressure Motion (312): 30, 160
Synaptics Pressure Motion Factor (313): 1.000000, 1.000000
Synaptics Grab Event Device (314): 1
Synaptics Gestures (315): 1
Synaptics Capabilities (316): 1, 0, 0, 1, 1, 1, 1
Synaptics Pad Resolution (317): 32, 32
Synaptics Area (318): 0, 0, 0, 0
Synaptics Soft Button Areas (319): 1630, 0, 1737, 0, 0, 0, 0, 0
Synaptics Noise Cancellation (320): 19, 19
Device Product ID (247): 2, 14
Device Node (248): "/dev/input/event7"
MaxSpeed (504): 0.100000
Note especially that the capabilities:
Synaptics Capabilities (316): 1, 0, 0, 1, 1, 1, 1
They specify that the horizontal and vertical resolution can in fact be
set (the last two "1"s). However the parameters are missing from xinput
and I can't set them. Setting "Pad Resolution" (317) is impossible
because it's readonly. So the mechanism to compensate resolutions as
specified in the manpage is completely missing. Could this be related?
I'm using xf86-input-synaptics 1.6.2 built on Oct 5. 2012.
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-input-synaptics in Ubuntu.
https://bugs.launchpad.net/bugs/726832
Title:
Touchpad speed scales with multimonitor size per axis
Status in XOrg-Driver-Synaptics - synaptics driver for XOrg:
Confirmed
Status in “xserver-xorg-input-synaptics” package in Ubuntu:
Triaged
Bug description:
When enabling a second screen, say horizontally next to the primary
screen, horizontal touchpad speed increases proportionally to the
increase in horizontal resolution. I assume the same happens when
enabling multiple screens in a vertical configuration. So, it seems
that touchpad speed is relative to the total screen layout size in
each axis. This is quite irritating. It would be more reasonable to
define speed in absolute terms (pixels/sec) rather than relative terms
(% x/y resolution / sec), thereby keeping speed in both axes constant,
regardless of the addition/removal of extra screens.
I've noticed this on my Thinkpad W510 running Maverick amd64, the
latest nvidia binary blob, utouch 1.1, synaptics-dkms 1.0.0, and
xserver-xorg-input-synaptics 1.2.2-2ubuntu5
Note that external mice don't exhibit this problem. This might be why
this situation isn't encountered often: when plugged into an external
monitor, the user is more likely to also plug in an external mouse
rather than rely on the touchpad.
This was brought up by Ricardo Caldeira at https://bugs.launchpad.net
/xorg-driver-synaptics/+bug/308191/comments/187, and Duncan McGreggor
replied at https://bugs.launchpad.net/xorg-driver-
synaptics/+bug/308191/comments/189.
To manage notifications about this bug go to:
https://bugs.launchpad.net/xorg-driver-synaptics/+bug/726832/+subscriptions
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