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[Bug filed: 393161] Two-finger scrolling stopped working
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daaaaang
n00b
n00b


Joined: 04 Jul 2010
Posts: 48
Location: Ann Arbor, Michigan, US

PostPosted: Sat Dec 03, 2011 5:41 am    Post subject: [Bug filed: 393161] Two-finger scrolling stopped working Reply with quote

Two-finger scrolling has been working nicely for a while but just stopped a little while ago. I can still tap-click and, you know, use the trackpad, but no two-finger scrolling. Here's my /etc/X11/xorg.conf.d/50-synaptics.conf:

Code:
Section "InputClass"
  Identifier "touchpad catchall"
  Driver "synaptics"
  MatchIsTouchpad "1"
  Option "TapButton1" "1"
  Option "MaxTapTime" "180"
  Option "MaxTapMove" "220"
  Option "MaxDoubleTapTime" "180"
  Option "VertEdgeScroll" "0"
  Option "HorizEdgeScroll" "0"
  Option "VertTwoFingerScroll" "1"
  Option "HorizTwoFingerScroll" "1"
  Option "VertScrollDelta" "100"
  Option "HorizScrollDelta" "100"
EndSection


It should work—if "synclient -l" is to be believed:

Code:
Parameter settings:
    LeftEdge                = 1776
    RightEdge               = 5514
    TopEdge                 = 1665
    BottomEdge              = 4827
    FingerLow               = 25
    FingerHigh              = 30
    FingerPress             = 256
    MaxTapTime              = 180
    MaxTapMove              = 220
    MaxDoubleTapTime        = 180
    SingleTapTimeout        = 180
    ClickTime               = 100
    FastTaps                = 0
    EmulateMidButtonTime    = 75
    EmulateTwoFingerMinZ    = 282
    EmulateTwoFingerMinW    = 7
    VertScrollDelta         = 100
    HorizScrollDelta        = 100
    VertEdgeScroll          = 0
    HorizEdgeScroll         = 0
    CornerCoasting          = 0
    VertTwoFingerScroll     = 1
    HorizTwoFingerScroll    = 1
    MinSpeed                = 1
    MaxSpeed                = 1.75
    AccelFactor             = 0.035137
    TrackstickSpeed         = 40
    EdgeMotionMinZ          = 30
    EdgeMotionMaxZ          = 160
    EdgeMotionMinSpeed      = 1
    EdgeMotionMaxSpeed      = 455
    EdgeMotionUseAlways     = 0
    TouchpadOff             = 0
    LockedDrags             = 0
    LockedDragTimeout       = 5000
    RTCornerButton          = 0
    RBCornerButton          = 0
    LTCornerButton          = 0
    LBCornerButton          = 0
    TapButton1              = 1
    TapButton2              = 0
    TapButton3              = 0
    ClickFinger1            = 1
    ClickFinger2            = 1
    ClickFinger3            = 1
    CircularScrolling       = 0
    CircScrollDelta         = 0.1
    CircScrollTrigger       = 0
    CircularPad             = 0
    PalmDetect              = 0
    PalmMinWidth            = 10
    PalmMinZ                = 200
    CoastingSpeed           = 20
    CoastingFriction        = 50
    PressureMotionMinZ      = 30
    PressureMotionMaxZ      = 160
    PressureMotionMinFactor = 1
    PressureMotionMaxFactor = 1
    GrabEventDevice         = 1
    TapAndDragGesture       = 1
    AreaLeftEdge            = 0
    AreaRightEdge           = 0
    AreaTopEdge             = 0
    AreaBottomEdge          = 0


But it just doesn't. Using two fingers is like using one finger (but a little slower).

Any ideas? Thanks!
Matt

Update: based on the lack of response, I decided to go ahead and file this bug report. If you have this same issue, downgrading to x11-drivers/xf86-input-synaptics-1.4.0 works for me as a quick fix.
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