Bug#576719: xserver-xorg-input-synaptics: multitouch emulation stopped working

[Julien Valroff <julien@kirya.net>]

Hi Mattia,

Le mercredi 07 avril 2010 à 07:54 +0900, Mattia Dongili a écrit :
> On Tue, Apr 06, 2010 at 08:31:43PM +0200, Julien Valroff wrote:
> > Package: xserver-xorg-input-synaptics
> > Version: 1.2.1-1
> > Severity: normal
> > 
[...]
> 
> So you had two finger scrolling working and it suddenly stopped stopped?
Yes, it was working fine until Monday.

> No driver upgrade recently?
> Can you see what this command returns?
> 	$ grep synaptics /var/log/dpkg.log{,.1}
Last upgrade (apart from my tests yesterday to upgrade to 1.2.2-2 from
git) is dated of March the 28th.

> > switching back to using xorg.conf syntax in xorg.conf.d, which I have tried
> > using the same options, without success; Section "InputClass"   Driver
> > "synaptics"   Identifier    "touchpad"   Option        "VertEdgeScroll"
> > "true"   Option        "HorizEdgeScroll"       "true"   Option
> > "EmulateTwoFingerMinW"  "7"   Option        "EmulateTwoFingerMinZ"  "20"
> > Option        "VertTwoFingerScroll"   "true"   Option
> > "HorizTwoFingerScroll"  "true" EndSection   I have even tried building the
> 
> I never played too much with two finger emulation, not really sure what
> might be going on here.
> Can you include the output of
> 	$ synclient -l

You'll find it attached.
You'll notice that the values seem correct, except EmulateTwoFingerMinZ
which is always set at 280 while I want it to be 20.

Cheers,
Julien

Parameter settings:
    LeftEdge                = 1752
    RightEdge               = 5192
    TopEdge                 = 1620
    BottomEdge              = 4236
    FingerLow               = 24
    FingerHigh              = 29
    FingerPress             = 255
    MaxTapTime              = 180
    MaxTapMove              = 221
    MaxDoubleTapTime        = 180
    SingleTapTimeout        = 180
    ClickTime               = 100
    FastTaps                = 0
    EmulateMidButtonTime    = 75
    EmulateTwoFingerMinZ    = 280
    EmulateTwoFingerMinW    = 7
    VertScrollDelta         = 100
    HorizScrollDelta        = 100
    VertEdgeScroll          = 0
    HorizEdgeScroll         = 0
    CornerCoasting          = 0
    VertTwoFingerScroll     = 1
    HorizTwoFingerScroll    = 1
    MinSpeed                = 0.4
    MaxSpeed                = 0.7
    AccelFactor             = 0.00995223
    TrackstickSpeed         = 40
    EdgeMotionMinZ          = 29
    EdgeMotionMaxZ          = 159
    EdgeMotionMinSpeed      = 1
    EdgeMotionMaxSpeed      = 401
    EdgeMotionUseAlways     = 0
    UpDownScrolling         = 1
    LeftRightScrolling      = 1
    UpDownScrollRepeat      = 1
    LeftRightScrollRepeat   = 1
    ScrollButtonRepeat      = 100
    TouchpadOff             = 1
    GuestMouseOff           = 0
    LockedDrags             = 0
    LockedDragTimeout       = 5000
    RTCornerButton          = 0
    RBCornerButton          = 0
    LTCornerButton          = 0
    LBCornerButton          = 0
    TapButton1              = 1
    TapButton2              = 3
    TapButton3              = 2
    ClickFinger1            = 1
    ClickFinger2            = 1
    ClickFinger3            = 2
    CircularScrolling       = 0
    CircScrollDelta         = 0.1
    CircScrollTrigger       = 0
    CircularPad             = 0
    PalmDetect              = 0
    PalmMinWidth            = 10
    PalmMinZ                = 199
    CoastingSpeed           = 0
    PressureMotionMinZ      = 29
    PressureMotionMaxZ      = 159
    PressureMotionMinFactor = 1
    PressureMotionMaxFactor = 1
    GrabEventDevice         = 1
    TapAndDragGesture       = 1
    AreaLeftEdge            = 0
    AreaRightEdge           = 0
    AreaTopEdge             = 0
    AreaBottomEdge          = 0