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Hi!
When i installed Arch, i managed to configure my touchpad correctly. It worked flawlessly - scrolling, double tapping, etc. A few system upgrades before (not sure when exactly) i noticed that my touchpad freezes. At some moments it works as it should be working, and at some moments it freezes and does not react to anything, however it does not hang the whole system. Keyboard, USB mouse, my Compiz Standalone - everything works correctly.
My touchpad model i get with
cat /proc/bus/input/devices
is
N: Name="AlpsPS/2 ALPS GlidePoint"
Here is my xorg.conf that used to work:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "dri"
Load "extmod"
Load "dri2"
Load "record"
Load "glx"
Load "dbe"
Load "synaptics"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
#Section "InputDevice"
# Identifier "Mouse0"
# Driver "mouse"
# Option "Protocol" "auto"
# Option "Device" "/dev/input/mice"
# Option "ZAxisMapping" "4 5 6 7"
#EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "synaptics"
Option "Protocol" "alps"
#Option "Protocol" "auto-dev"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
Option "LeftEdge" "120"
Option "RightEdge" "830"
Option "TopEdge" "120"
Option "BottomEdge" "650"
Option "FingerLow" "14"
Option "FingerHigh" "15"
Option "MaxTapTime" "180"
Option "MaxTapMove" "110"
Option "EmulateMidButtonTime" "75"
Option "VertScrollDelta" "20"
Option "HorizScrollDelta" "20"
Option "MinSpeed" "0.2"
Option "MaxSpeed" "0.5"
Option "AccelFactor" "0.01"
Option "EdgeMotionMinSpeed" "15"
Option "EdgeMotionMaxSpeed" "15"
Option "UpDownScrolling" "1"
Option "CircularScrolling" "1"
Option "CircScrollDelta" "0.1"
Option "CircScrollTrigger" "2"
Option "LockedDrags" "1"
Option "SHMConfig" "on"
Option "TapButton1" "1"
Option "TapButton2" "2"
Option "TapButton3" "3"
Option "FastTaps" "1"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
# 800x600 @ 62.00 Hz (GTF) hsync: 38.56 kHz; pclk: 39.49 MHz
Modeline "800x600_62.00" 39.49 800 832 912 1024 600 601 604 622 -HSync +Vsync
# 1024x640 @ 62.00 Hz (GTF) hsync: 41.17 kHz; pclk: 54.67 MHz
Modeline "1024x640_62.00" 54.67 1024 1072 1176 1328 640 641 644 664 -HSync +Vsync
# 1024x768 @ 62.00 Hz (GTF) hsync: 49.35 kHz; pclk: 66.33 MHz
Modeline "1024x768_62.00" 66.33 1024 1080 1184 1344 768 769 772 796 -HSync +Vsync
# 1152x864 @ 62.00 Hz (GTF) hsync: 55.55 kHz; pclk: 84.44 MHz
Modeline "1152x864_62.00" 84.44 1152 1216 1336 1520 864 865 868 896 -HSync +Vsync
# 1176x664 @ 62.00 Hz (GTF) hsync: 42.66 kHz; pclk: 65.18 MHz
Modeline "1176x664_62.00" 65.18 1176 1232 1352 1528 664 665 668 688 -HSync +Vsync
# 1280x720 @ 62.00 Hz (GTF) hsync: 46.25 kHz; pclk: 77.70 MHz
Modeline "1280x720_62.00" 77.70 1280 1344 1480 1680 720 721 724 746 -HSync +Vsync
# 1280x768 @ 62.00 Hz (GTF) hsync: 49.35 kHz; pclk: 82.91 MHz
Modeline "1280x768_62.00" 82.91 1280 1344 1480 1680 768 769 772 796 -HSync +Vsync
# 1280x800 @ 62.00 Hz (GTF) hsync: 51.40 kHz; pclk: 86.35 MHz
Modeline "1280x800_62.00" 86.35 1280 1344 1480 1680 800 801 804 829 -HSync +Vsync
# 1280x854 @ 62.00 Hz (GTF) hsync: 54.87 kHz; pclk: 93.06 MHz
Modeline "1280x854_62.00" 93.06 1280 1352 1488 1696 854 855 858 885 -HSync +Vsync
# 1280x960 @ 62.00 Hz (GTF) hsync: 61.69 kHz; pclk: 105.61 MHz
Modeline "1280x960_62.00" 105.61 1280 1360 1496 1712 960 961 964 995 -HSync +Vsync
# 1280x1024 @ 62.00 Hz (GTF) hsync: 65.78 kHz; pclk: 112.62 MHz
Modeline "1280x1024_62.00" 112.62 1280 1360 1496 1712 1024 1025 1028 1061 -HSync +Vsync
# 1368x768 @ 62.00 Hz (GTF) hsync: 49.35 kHz; pclk: 88.83 MHz
Modeline "1368x768_62.00" 88.83 1368 1440 1584 1800 768 769 772 796 -HSync +Vsync
# 1400x1050 @ 62.00 Hz (GTF) hsync: 67.46 kHz; pclk: 126.82 MHz
Modeline "1400x1050_62.00" 126.82 1400 1488 1640 1880 1050 1051 1054 1088 -HSync +Vsync
# 1440x900 @ 62.00 Hz (GTF) hsync: 57.85 kHz; pclk: 111.06 MHz
Modeline "1440x900_62.00" 111.06 1440 1528 1680 1920 900 901 904 933 -HSync +Vsync
# 1600x900 @ 62.00 Hz (GTF) hsync: 57.85 kHz; pclk: 123.10 MHz
Modeline "1600x900_62.00" 123.10 1600 1696 1864 2128 900 901 904 933 -HSync +Vsync
# 1600x1000 @ 62.00 Hz (GTF) hsync: 64.23 kHz; pclk: 137.71 MHz
Modeline "1600x1000_62.00" 137.71 1600 1704 1872 2144 1000 1001 1004 1036 -HSync +Vsync
# 1600x1024 @ 62.00 Hz (GTF) hsync: 65.78 kHz; pclk: 141.04 MHz
Modeline "1600x1024_62.00" 141.04 1600 1704 1872 2144 1024 1025 1028 1061 -HSync +Vsync
# 1600x1200 @ 62.00 Hz (GTF) hsync: 77.07 kHz; pclk: 166.46 MHz
Modeline "1600x1200_62.00" 166.46 1600 1704 1880 2160 1200 1201 1204 1243 -HSync +Vsync
# 1680x1050 @ 62.00 Hz (GTF) hsync: 67.46 kHz; pclk: 152.18 MHz
Modeline "1680x1050_62.00" 152.18 1680 1784 1968 2256 1050 1051 1054 1088 -HSync +Vsync
# 1768x992 @ 62.00 Hz (GTF) hsync: 63.74 kHz; pclk: 150.42 MHz
Modeline "1768x992_62.00" 150.42 1768 1872 2064 2360 992 993 996 1028 -HSync +Vsync
# 1920x1080 @ 62.00 Hz (GTF) hsync: 69.38 kHz; pclk: 178.72 MHz
Modeline "1920x1080_62.00" 178.72 1920 2040 2248 2576 1080 1081 1084 1119 -HSync +Vsync
EndSection
Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "GeForce 8600M GT"
BusID "PCI:1:0:0"
Option "no logo"
Option "RenderAccel" "True"
Option "AllowGLXWithComposite" "True"
Option "AddARGBGLXVisuals" "True"
Option "RenderAccel" "True"
#Option "RegistryDwords" "PowerMizerEnable=0x3; PerfLevelSrc=0x2233; PowerMizerDefault=0x1; PowerMizerDefaultAC=0x1"
#Option "RegistryDwords" "PowerMizerEnable=0x3; PerfLevelSrc=0x2222; PowerMizerDefault=0x1; PowerMizerDefaultAC=0x1"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1920x1200" "1920x1080" "1768x992" "1680x1050" "1600x1200" "1600x1024" "1600x1000" "1600x900" "1440x900" "1400x1050" "1368x768" "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1280x720" "1176x664" "1152x864" "1024x768" "1024x640" "800x600"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1920x1200" "1920x1080" "1768x992" "1680x1050" "1600x1200" "1600x1024" "1600x1000" "1600x900" "1440x900" "1400x1050" "1368x768" "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1280x720" "1176x664" "1152x864" "1024x768" "1024x640" "800x600"
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
Anyone else ran into the same problem? Maybe somebody could share his touchpad config that works OK on Acer Laptop?
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Just a idea but, you could try disabling kdb and using xorg hotplugging, perhaps this might help. It's a long shot though. Also, it looks like there is a lot of customization in your xorg for you touchpad, so some things, like tapping, might no longer work with hotplugging, or more likely, will require more configuration, so beware. But you can always switch back. The wiki has a good tut on doing this:
http://wiki.archlinux.org/index.php/Xor … quirements
Good luck!
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