10.5.2: Two finger scrolling makes computer hang unrecoverably

I installed 10.5.2 on my MacBook Pro as soon as it became available a couple of weeks ago. Since then the computer hangs unrecoverably, on average, probably a couple of times per day. Is there anyone else out there who is encountering the same problem? Very frustrating since any on-going work that I have not saved will probably be lost!! (although this actually did not happen in practice yet).
Here are some details:
What happens exactly?
The cursor freezes and can no longer be moved. And the computer does not respond to any other command that I know of - except an ungraceful hardware shutdown (i.e. pressing the power button for three seconds). So that's the only escape.
When does it happen?
So-far it has probably only happened while using Safari. And probably only while scrolling - by moving two fingers on the trackpad. But the reason why it happens then might be linked to the fact that this is an operation that I do a lot.
Suspicion:
I suspect that the hanging is related to two finger scrolling rather than Safari since I have noticed another strange behaviour while scrolling; Once in a while the scrolling does not quite work as it should and I am taken very quickly (as in momentarily) to another part of the page where I am scrolling. These "scroll jumps" (that are quite confusing since I lose my orientation on the page and have to go search for the place where I was reading) happen when I press my fingers very lightly towards the trackpad as in barely touching at all. (I can intentionally reproduce the behaviour.) It is my hunch that the two phenomena have the same cause - so that the light touching sometimes causes a hang rather than a "scroll jump".
Any help towards solving this problem would be very appreciated! It's not very Mac like that the computer "crashes" a couple of times per day...

As it turns out the reset of the PRAM did not help. My computer just hang again a moment ago in the same way. And I was forced to do power-off/on reboot again as usual. This time I had unsaved work. But thankfully my Mac was bright enough to save this(!) (My unsaved textedit file emerged effortlessly as soon as I opened the textedit application. And my unsaved e-mail draft could be found in the "drafts" folder exactly as I was hoping.)
I will go ahead now and try cleaning up my user and system cache files as suggested to me here:
http://discussions.apple.com/thread.jspa?threadID=1409843&tstart=0
Anything else I could try?

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  • [SOLVED]Two finger scrolling/tapping stoped working after xorg update

    Hi everyone, i updated my system yesterday to the new xorg server (1.11.1-2). Everything works except for the two finger scrolling on my synaptics touchpad.
    There is some info:
    Kernel:  3.0.6-2 (stock)
    Synaptics Touchpad driver: 1.5.0-1 (lastest)
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    Here's my Xorg.log:
    [ 172.989]
    X.Org X Server 1.11.1
    Release Date: 2011-09-24
    [ 172.989] X Protocol Version 11, Revision 0
    [ 172.989] Build Operating System: Linux 3.0-ARCH i686
    [ 172.989] Current Operating System: Linux Xenogears 3.0-ARCH #1 SMP PREEMPT Fri Oct 7 10:11:05 UTC 2011 i686
    [ 172.989] Kernel command line: root=/dev/sda2 ro quiet fastboot init=/sbin/e4rat-preload
    [ 172.989] Build Date: 10 October 2011 08:49:15AM
    [ 172.989]
    [ 172.989] Current version of pixman: 0.22.2
    [ 172.989] Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
    [ 172.990] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
    [ 172.990] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Oct 13 13:27:22 2011
    [ 172.990] (==) Using config directory: "/etc/X11/xorg.conf.d"
    [ 172.990] (==) No Layout section. Using the first Screen section.
    [ 172.990] (==) No screen section available. Using defaults.
    [ 172.990] (**) |-->Screen "Default Screen Section" (0)
    [ 172.990] (**) | |-->Monitor "<default monitor>"
    [ 172.990] (==) No monitor specified for screen "Default Screen Section".
    Using a default monitor configuration.
    [ 172.990] (==) Automatically adding devices
    [ 172.990] (==) Automatically enabling devices
    [ 172.991] (==) FontPath set to:
    /usr/share/fonts/misc/,
    /usr/share/fonts/TTF/,
    /usr/share/fonts/OTF/,
    /usr/share/fonts/Type1/,
    /usr/share/fonts/100dpi/,
    /usr/share/fonts/75dpi/
    [ 172.991] (==) ModulePath set to "/usr/lib/xorg/modules"
    [ 172.991] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
    [ 172.991] (II) Loader magic: 0x8228580
    [ 172.991] (II) Module ABI versions:
    [ 172.991] X.Org ANSI C Emulation: 0.4
    [ 172.991] X.Org Video Driver: 11.0
    [ 172.991] X.Org XInput driver : 13.0
    [ 172.991] X.Org Server Extension : 6.0
    [ 172.992] (--) PCI:*(0:1:5:0) 1002:791f:1631:c108 rev 0, Mem @ 0xc0000000/268435456, 0xfd8f0000/65536, 0xfd700000/1048576, I/O @ 0x00008800/256
    [ 172.992] (II) Open ACPI successful (/var/run/acpid.socket)
    [ 172.992] (II) LoadModule: "extmod"
    [ 172.993] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
    [ 172.993] (II) Module extmod: vendor="X.Org Foundation"
    [ 172.993] compiled for 1.11.1, module version = 1.0.0
    [ 172.993] Module class: X.Org Server Extension
    [ 172.993] ABI class: X.Org Server Extension, version 6.0
    [ 172.993] (II) Loading extension MIT-SCREEN-SAVER
    [ 172.993] (II) Loading extension XFree86-VidModeExtension
    [ 172.993] (II) Loading extension XFree86-DGA
    [ 172.993] (II) Loading extension DPMS
    [ 172.993] (II) Loading extension XVideo
    [ 172.993] (II) Loading extension XVideo-MotionCompensation
    [ 172.993] (II) Loading extension X-Resource
    [ 172.993] (II) LoadModule: "dbe"
    [ 172.993] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
    [ 172.993] (II) Module dbe: vendor="X.Org Foundation"
    [ 172.993] compiled for 1.11.1, module version = 1.0.0
    [ 172.993] Module class: X.Org Server Extension
    [ 172.993] ABI class: X.Org Server Extension, version 6.0
    [ 172.994] (II) Loading extension DOUBLE-BUFFER
    [ 172.994] (II) LoadModule: "glx"
    [ 172.994] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
    [ 172.994] (II) Module glx: vendor="X.Org Foundation"
    [ 172.994] compiled for 1.11.1, module version = 1.0.0
    [ 172.994] ABI class: X.Org Server Extension, version 6.0
    [ 172.994] (==) AIGLX enabled
    [ 172.994] (II) Loading extension GLX
    [ 172.994] (II) LoadModule: "record"
    [ 172.994] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
    [ 172.994] (II) Module record: vendor="X.Org Foundation"
    [ 172.994] compiled for 1.11.1, module version = 1.13.0
    [ 172.994] Module class: X.Org Server Extension
    [ 172.994] ABI class: X.Org Server Extension, version 6.0
    [ 172.994] (II) Loading extension RECORD
    [ 172.994] (II) LoadModule: "dri"
    [ 172.994] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
    [ 172.995] (II) Module dri: vendor="X.Org Foundation"
    [ 172.995] compiled for 1.11.1, module version = 1.0.0
    [ 172.995] ABI class: X.Org Server Extension, version 6.0
    [ 172.995] (II) Loading extension XFree86-DRI
    [ 172.995] (II) LoadModule: "dri2"
    [ 172.995] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
    [ 172.995] (II) Module dri2: vendor="X.Org Foundation"
    [ 172.995] compiled for 1.11.1, module version = 1.2.0
    [ 172.995] ABI class: X.Org Server Extension, version 6.0
    [ 172.995] (II) Loading extension DRI2
    [ 172.995] (==) Matched ati as autoconfigured driver 0
    [ 172.995] (==) Matched vesa as autoconfigured driver 1
    [ 172.995] (==) Matched fbdev as autoconfigured driver 2
    [ 172.995] (==) Assigned the driver to the xf86ConfigLayout
    [ 172.995] (II) LoadModule: "ati"
    [ 172.995] (II) Loading /usr/lib/xorg/modules/drivers/ati_drv.so
    [ 172.995] (II) Module ati: vendor="X.Org Foundation"
    [ 172.995] compiled for 1.11.0, module version = 6.14.2
    [ 172.995] Module class: X.Org Video Driver
    [ 172.995] ABI class: X.Org Video Driver, version 11.0
    [ 172.995] (II) LoadModule: "radeon"
    [ 172.996] (II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
    [ 172.996] (II) Module radeon: vendor="X.Org Foundation"
    [ 172.996] compiled for 1.11.0, module version = 6.14.2
    [ 172.996] Module class: X.Org Video Driver
    [ 172.996] ABI class: X.Org Video Driver, version 11.0
    [ 172.996] (II) LoadModule: "vesa"
    [ 172.996] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
    [ 172.996] (II) Module vesa: vendor="X.Org Foundation"
    [ 172.996] compiled for 1.10.99.902, module version = 2.3.0
    [ 172.996] Module class: X.Org Video Driver
    [ 172.996] ABI class: X.Org Video Driver, version 11.0
    [ 172.996] (II) LoadModule: "fbdev"
    [ 172.997] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
    [ 172.997] (II) Module fbdev: vendor="X.Org Foundation"
    [ 172.997] compiled for 1.10.99.902, module version = 0.4.2
    [ 172.997] ABI class: X.Org Video Driver, version 11.0
    [ 172.997] (II) RADEON: Driver for ATI Radeon chipsets:
    ********************LOTS OF VIDEO CARDS*******************************
    [ 173.004] (II) VESA: driver for VESA chipsets: vesa
    [ 173.004] (II) FBDEV: driver for framebuffer: fbdev
    [ 173.004] (++) using VT number 8
    [ 173.015] (II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
    [ 173.015] (II) [KMS] Kernel modesetting enabled.
    [ 173.015] (WW) Falling back to old probe method for vesa
    [ 173.015] (WW) Falling back to old probe method for fbdev
    [ 173.015] (II) Loading sub module "fbdevhw"
    [ 173.015] (II) LoadModule: "fbdevhw"
    [ 173.016] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
    [ 173.016] (II) Module fbdevhw: vendor="X.Org Foundation"
    [ 173.016] compiled for 1.11.1, module version = 0.0.2
    [ 173.016] ABI class: X.Org Video Driver, version 11.0
    [ 173.016] (II) RADEON(0): Creating default Display subsection in Screen section
    "Default Screen Section" for depth/fbbpp 24/32
    [ 173.016] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
    [ 173.016] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)
    [ 173.016] (==) RADEON(0): Default visual is TrueColor
    [ 173.016] (==) RADEON(0): RGB weight 888
    [ 173.016] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
    [ 173.016] (--) RADEON(0): Chipset: "ATI Radeon X1200" (ChipID = 0x791f)
    [ 173.016] (II) RADEON(0): PCI card detected
    [ 173.016] drmOpenDevice: node name is /dev/dri/card0
    [ 173.016] drmOpenDevice: open result is 9, (OK)
    [ 173.016] drmOpenByBusid: Searching for BusID pci:0000:01:05.0
    [ 173.016] drmOpenDevice: node name is /dev/dri/card0
    [ 173.016] drmOpenDevice: open result is 9, (OK)
    [ 173.016] drmOpenByBusid: drmOpenMinor returns 9
    [ 173.016] drmOpenByBusid: drmGetBusid reports pci:0000:01:05.0
    [ 173.017] (II) Loading sub module "exa"
    [ 173.017] (II) LoadModule: "exa"
    [ 173.017] (II) Loading /usr/lib/xorg/modules/libexa.so
    [ 173.017] (II) Module exa: vendor="X.Org Foundation"
    [ 173.017] compiled for 1.11.1, module version = 2.5.0
    [ 173.017] ABI class: X.Org Video Driver, version 11.0
    [ 173.017] (II) RADEON(0): KMS Color Tiling: enabled
    [ 173.017] (II) RADEON(0): KMS Pageflipping: enabled
    [ 173.017] (II) RADEON(0): SwapBuffers wait for vsync: enabled
    [ 173.190] (II) RADEON(0): Output VGA-0 has no monitor section
    [ 173.190] (II) RADEON(0): Output LVDS has no monitor section
    [ 173.356] (II) RADEON(0): EDID for output VGA-0
    [ 173.356] (II) RADEON(0): EDID for output LVDS
    [ 173.356] (II) RADEON(0): Manufacturer: AUO Model: 8174 Serial#: 0
    [ 173.356] (II) RADEON(0): Year: 2006 Week: 1
    [ 173.356] (II) RADEON(0): EDID Version: 1.3
    [ 173.356] (II) RADEON(0): Digital Display Input
    [ 173.356] (II) RADEON(0): Max Image Size [cm]: horiz.: 33 vert.: 21
    [ 173.357] (II) RADEON(0): Gamma: 2.20
    [ 173.357] (II) RADEON(0): No DPMS capabilities specified
    [ 173.357] (II) RADEON(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4
    [ 173.357] (II) RADEON(0): First detailed timing is preferred mode
    [ 173.357] (II) RADEON(0): redX: 0.590 redY: 0.345 greenX: 0.315 greenY: 0.555
    [ 173.357] (II) RADEON(0): blueX: 0.155 blueY: 0.155 whiteX: 0.313 whiteY: 0.329
    [ 173.357] (II) RADEON(0): Manufacturer's mask: 0
    [ 173.357] (II) RADEON(0): Supported detailed timing:
    [ 173.357] (II) RADEON(0): clock: 71.1 MHz Image Size: 331 x 207 mm
    [ 173.357] (II) RADEON(0): h_active: 1280 h_sync: 1328 h_sync_end 1360 h_blank_end 1440 h_border: 0
    [ 173.357] (II) RADEON(0): v_active: 800 v_sync: 803 v_sync_end 809 v_blanking: 823 v_border: 0
    [ 173.357] (II) RADEON(0): Unknown vendor-specific block f
    [ 173.357] (II) RADEON(0): AUO
    [ 173.357] (II) RADEON(0): B154EW08 V1
    [ 173.357] (II) RADEON(0): EDID (in hex):
    [ 173.357] (II) RADEON(0): 00ffffffffffff0006af748100000000
    [ 173.357] (II) RADEON(0): 01100103802115780a1cf59758508e27
    [ 173.357] (II) RADEON(0): 27505400000001010101010101010101
    [ 173.357] (II) RADEON(0): 010101010101c71b00a0502017303020
    [ 173.357] (II) RADEON(0): 36004bcf100000180000000f00000000
    [ 173.357] (II) RADEON(0): 00000000000000000020000000fe0041
    [ 173.357] (II) RADEON(0): 554f0a202020202020202020000000fe
    [ 173.357] (II) RADEON(0): 004231353445573038205631200a0043
    [ 173.357] (II) RADEON(0): Printing probed modes for output LVDS
    [ 173.357] (II) RADEON(0): Modeline "1280x800"x60.0 71.11 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.4 kHz)
    [ 173.357] (II) RADEON(0): Modeline "1280x720"x59.9 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync (44.8 kHz)
    [ 173.357] (II) RADEON(0): Modeline "1152x768"x59.8 71.75 1152 1216 1328 1504 768 771 781 798 -hsync +vsync (47.7 kHz)
    [ 173.357] (II) RADEON(0): Modeline "1024x768"x59.9 63.50 1024 1072 1176 1328 768 771 775 798 -hsync +vsync (47.8 kHz)
    [ 173.357] (II) RADEON(0): Modeline "800x600"x59.9 38.25 800 832 912 1024 600 603 607 624 -hsync +vsync (37.4 kHz)
    [ 173.357] (II) RADEON(0): Modeline "848x480"x59.7 31.50 848 872 952 1056 480 483 493 500 -hsync +vsync (29.8 kHz)
    [ 173.357] (II) RADEON(0): Modeline "720x480"x59.7 26.75 720 744 808 896 480 483 493 500 -hsync +vsync (29.9 kHz)
    [ 173.357] (II) RADEON(0): Modeline "640x480"x59.4 23.75 640 664 720 800 480 483 487 500 -hsync +vsync (29.7 kHz)
    [ 173.357] (II) RADEON(0): Output VGA-0 disconnected
    [ 173.357] (II) RADEON(0): Output LVDS connected
    [ 173.357] (II) RADEON(0): Using exact sizes for initial modes
    [ 173.357] (II) RADEON(0): Output LVDS using initial mode 1280x800
    [ 173.357] (II) RADEON(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
    [ 173.357] (II) RADEON(0): mem size init: gart size :1fdff000 vram size: s:10000000 visible:fbd8000
    [ 173.357] (II) RADEON(0): EXA: Driver will allow EXA pixmaps in VRAM
    [ 173.357] (==) RADEON(0): DPI set to (96, 96)
    [ 173.357] (II) Loading sub module "fb"
    [ 173.357] (II) LoadModule: "fb"
    [ 173.358] (II) Loading /usr/lib/xorg/modules/libfb.so
    [ 173.358] (II) Module fb: vendor="X.Org Foundation"
    [ 173.358] compiled for 1.11.1, module version = 1.0.0
    [ 173.358] ABI class: X.Org ANSI C Emulation, version 0.4
    [ 173.358] (II) Loading sub module "ramdac"
    [ 173.358] (II) LoadModule: "ramdac"
    [ 173.358] (II) Module "ramdac" already built-in
    [ 173.358] (II) UnloadModule: "vesa"
    [ 173.358] (II) Unloading vesa
    [ 173.358] (II) UnloadModule: "fbdev"
    [ 173.358] (II) Unloading fbdev
    [ 173.358] (II) UnloadModule: "fbdevhw"
    [ 173.358] (II) Unloading fbdevhw
    [ 173.358] (--) Depth 24 pixmap format is 32 bpp
    [ 173.358] (II) RADEON(0): [DRI2] Setup complete
    [ 173.358] (II) RADEON(0): [DRI2] DRI driver: r300
    [ 173.359] (II) RADEON(0): Front buffer size: 4000K
    [ 173.359] (II) RADEON(0): VRAM usage limit set to 228499K
    [ 173.359] (==) RADEON(0): Backing store disabled
    [ 173.359] (II) RADEON(0): Direct rendering enabled
    [ 173.359] (II) RADEON(0): Render acceleration enabled for R300/R400/R500 type cards.
    [ 173.359] (II) RADEON(0): Setting EXA maxPitchBytes
    [ 173.359] (II) EXA(0): Driver allocated offscreen pixmaps
    [ 173.359] (II) EXA(0): Driver registered support for the following operations:
    [ 173.359] (II) Solid
    [ 173.359] (II) Copy
    [ 173.359] (II) Composite (RENDER acceleration)
    [ 173.359] (II) UploadToScreen
    [ 173.359] (II) DownloadFromScreen
    [ 173.359] (II) RADEON(0): Acceleration enabled
    [ 173.359] (==) RADEON(0): DPMS enabled
    [ 173.359] (==) RADEON(0): Silken mouse enabled
    [ 173.359] (II) RADEON(0): Set up textured video
    [ 173.359] (II) RADEON(0): RandR 1.2 enabled, ignore the following RandR disabled message.
    [ 173.359] (--) RandR disabled
    [ 173.359] (II) Initializing built-in extension Generic Event Extension
    [ 173.359] (II) Initializing built-in extension SHAPE
    [ 173.360] (II) Initializing built-in extension MIT-SHM
    [ 173.360] (II) Initializing built-in extension XInputExtension
    [ 173.360] (II) Initializing built-in extension XTEST
    [ 173.360] (II) Initializing built-in extension BIG-REQUESTS
    [ 173.360] (II) Initializing built-in extension SYNC
    [ 173.360] (II) Initializing built-in extension XKEYBOARD
    [ 173.360] (II) Initializing built-in extension XC-MISC
    [ 173.360] (II) Initializing built-in extension SECURITY
    [ 173.360] (II) Initializing built-in extension XINERAMA
    [ 173.360] (II) Initializing built-in extension XFIXES
    [ 173.360] (II) Initializing built-in extension RENDER
    [ 173.360] (II) Initializing built-in extension RANDR
    [ 173.360] (II) Initializing built-in extension COMPOSITE
    [ 173.360] (II) Initializing built-in extension DAMAGE
    [ 173.378] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
    [ 173.378] (II) AIGLX: enabled GLX_INTEL_swap_event
    [ 173.378] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
    [ 173.378] (II) AIGLX: enabled GLX_SGI_make_current_read
    [ 173.378] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
    [ 173.379] (II) AIGLX: Loaded and initialized r300
    [ 173.379] (II) GLX: Initialized DRI2 GL provider for screen 0
    [ 173.380] (II) RADEON(0): Setting screen physical size to 338 x 211
    [ 173.458] (II) config/udev: Adding input device Power Button (/dev/input/event4)
    [ 173.458] (**) Power Button: Applying InputClass "evdev keyboard catchall"
    [ 173.458] (II) LoadModule: "evdev"
    [ 173.458] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.459] (II) Module evdev: vendor="X.Org Foundation"
    [ 173.459] compiled for 1.10.99.902, module version = 2.6.0
    [ 173.459] Module class: X.Org XInput Driver
    [ 173.459] ABI class: X.Org XInput driver, version 13.0
    [ 173.459] (II) Using input driver 'evdev' for 'Power Button'
    [ 173.459] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.459] (**) Power Button: always reports core events
    [ 173.459] (**) Power Button: Device: "/dev/input/event4"
    [ 173.459] (--) Power Button: Found keys
    [ 173.459] (II) Power Button: Configuring as keyboard
    [ 173.459] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input4/event4"
    [ 173.459] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
    [ 173.459] (**) Option "xkb_rules" "evdev"
    [ 173.459] (**) Option "xkb_model" "evdev"
    [ 173.459] (**) Option "xkb_layout" "us"
    [ 173.497] (II) config/udev: Adding input device Video Bus (/dev/input/event5)
    [ 173.497] (**) Video Bus: Applying InputClass "evdev keyboard catchall"
    [ 173.497] (II) Using input driver 'evdev' for 'Video Bus'
    [ 173.497] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.497] (**) Video Bus: always reports core events
    [ 173.497] (**) Video Bus: Device: "/dev/input/event5"
    [ 173.497] (--) Video Bus: Found keys
    [ 173.497] (II) Video Bus: Configuring as keyboard
    [ 173.497] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/device:00/PNP0A03:00/device:02/LNXVIDEO:00/input/input5/event5"
    [ 173.497] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
    [ 173.497] (**) Option "xkb_rules" "evdev"
    [ 173.497] (**) Option "xkb_model" "evdev"
    [ 173.497] (**) Option "xkb_layout" "us"
    [ 173.498] (II) config/udev: Adding input device Power Button (/dev/input/event1)
    [ 173.498] (**) Power Button: Applying InputClass "evdev keyboard catchall"
    [ 173.498] (II) Using input driver 'evdev' for 'Power Button'
    [ 173.498] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.498] (**) Power Button: always reports core events
    [ 173.498] (**) Power Button: Device: "/dev/input/event1"
    [ 173.498] (--) Power Button: Found keys
    [ 173.498] (II) Power Button: Configuring as keyboard
    [ 173.498] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1/event1"
    [ 173.498] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)
    [ 173.498] (**) Option "xkb_rules" "evdev"
    [ 173.498] (**) Option "xkb_model" "evdev"
    [ 173.498] (**) Option "xkb_layout" "us"
    [ 173.499] (II) config/udev: Adding input device Lid Switch (/dev/input/event3)
    [ 173.499] (II) No input driver/identifier specified (ignoring)
    [ 173.499] (II) config/udev: Adding input device Sleep Button (/dev/input/event2)
    [ 173.499] (**) Sleep Button: Applying InputClass "evdev keyboard catchall"
    [ 173.499] (II) Using input driver 'evdev' for 'Sleep Button'
    [ 173.499] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.499] (**) Sleep Button: always reports core events
    [ 173.500] (**) Sleep Button: Device: "/dev/input/event2"
    [ 173.500] (--) Sleep Button: Found keys
    [ 173.500] (II) Sleep Button: Configuring as keyboard
    [ 173.500] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2/event2"
    [ 173.500] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 9)
    [ 173.500] (**) Option "xkb_rules" "evdev"
    [ 173.500] (**) Option "xkb_model" "evdev"
    [ 173.500] (**) Option "xkb_layout" "us"
    [ 173.501] (II) config/udev: Adding input device CNF7050 (/dev/input/event10)
    [ 173.501] (**) CNF7050: Applying InputClass "evdev keyboard catchall"
    [ 173.501] (II) Using input driver 'evdev' for 'CNF7050'
    [ 173.501] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.501] (**) CNF7050: always reports core events
    [ 173.501] (**) CNF7050: Device: "/dev/input/event10"
    [ 173.501] (--) CNF7050: Found keys
    [ 173.501] (II) CNF7050: Configuring as keyboard
    [ 173.501] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:13.5/usb1/1-7/1-7:1.0/input/input10/event10"
    [ 173.501] (II) XINPUT: Adding extended input device "CNF7050" (type: KEYBOARD, id 10)
    [ 173.501] (**) Option "xkb_rules" "evdev"
    [ 173.501] (**) Option "xkb_model" "evdev"
    [ 173.501] (**) Option "xkb_layout" "us"
    [ 173.502] (II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event8)
    [ 173.502] (II) No input driver/identifier specified (ignoring)
    [ 173.502] (II) config/udev: Adding input device Asus Laptop extra buttons (/dev/input/event6)
    [ 173.502] (**) Asus Laptop extra buttons: Applying InputClass "evdev keyboard catchall"
    [ 173.502] (II) Using input driver 'evdev' for 'Asus Laptop extra buttons'
    [ 173.502] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.502] (**) Asus Laptop extra buttons: always reports core events
    [ 173.502] (**) Asus Laptop extra buttons: Device: "/dev/input/event6"
    [ 173.502] (--) Asus Laptop extra buttons: Found keys
    [ 173.502] (II) Asus Laptop extra buttons: Configuring as keyboard
    [ 173.502] (**) Option "config_info" "udev:/sys/devices/platform/asus_laptop/input/input6/event6"
    [ 173.502] (II) XINPUT: Adding extended input device "Asus Laptop extra buttons" (type: KEYBOARD, id 11)
    [ 173.502] (**) Option "xkb_rules" "evdev"
    [ 173.502] (**) Option "xkb_model" "evdev"
    [ 173.502] (**) Option "xkb_layout" "us"
    [ 173.503] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
    [ 173.503] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
    [ 173.503] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
    [ 173.503] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
    [ 173.503] (**) AT Translated Set 2 keyboard: always reports core events
    [ 173.503] (**) AT Translated Set 2 keyboard: Device: "/dev/input/event0"
    [ 173.503] (--) AT Translated Set 2 keyboard: Found keys
    [ 173.503] (II) AT Translated Set 2 keyboard: Configuring as keyboard
    [ 173.503] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"
    [ 173.503] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 12)
    [ 173.503] (**) Option "xkb_rules" "evdev"
    [ 173.503] (**) Option "xkb_model" "evdev"
    [ 173.504] (**) Option "xkb_layout" "us"
    [ 173.504] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event9)
    [ 173.504] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
    [ 173.504] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
    [ 173.504] (II) LoadModule: "synaptics"
    [ 173.505] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
    [ 173.505] (II) Module synaptics: vendor="X.Org Foundation"
    [ 173.505] compiled for 1.11.0, module version = 1.5.0
    [ 173.505] Module class: X.Org XInput Driver
    [ 173.505] ABI class: X.Org XInput driver, version 13.0
    [ 173.505] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
    [ 173.505] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
    [ 173.505] (**) SynPS/2 Synaptics TouchPad: always reports core events
    [ 173.505] (**) Option "Device" "/dev/input/event9"
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1472 - 5472
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1408 - 4448
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 0
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left right
    [ 173.716] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
    [ 173.716] (**) Option "TapButton1" "1"
    [ 173.716] (**) Option "TapButton2" "2"
    [ 173.716] (**) Option "TapButton3" "3"
    [ 173.823] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
    [ 173.823] (**) SynPS/2 Synaptics TouchPad: always reports core events
    [ 173.930] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio4/input/input9/event9"
    [ 173.930] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 13)
    [ 173.930] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
    [ 173.930] (**) synaptics: SynPS/2 Synaptics TouchPad: MaxSpeed is now 1.75
    [ 173.930] (**) synaptics: SynPS/2 Synaptics TouchPad: AccelFactor is now 0.040
    [ 173.930] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
    [ 173.930] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
    [ 173.930] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
    [ 173.930] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
    [ 173.930] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
    [ 173.930] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
    [ 173.930] (II) No input driver/identifier specified (ignoring)
    [ 173.931] (II) config/udev: Adding input device PC Speaker (/dev/input/event7)
    [ 173.931] (II) No input driver/identifier specified (ignoring)
    [ 180.276] (II) RADEON(0): EDID vendor "AUO", prod id 33140
    [ 180.276] (II) RADEON(0): Printing DDC gathered Modelines:
    [ 180.276] (II) RADEON(0): Modeline "1280x800"x0.0 71.11 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.4 kHz)
    [ 183.590] (II) RADEON(0): EDID vendor "AUO", prod id 33140
    [ 183.590] (II) RADEON(0): Printing DDC gathered Modelines:
    [ 183.590] (II) RADEON(0): Modeline "1280x800"x0.0 71.11 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.4 kHz)
    I deteled the part where it lists all the suported video cards...
    Thanks in advance.
    Last edited by Hyugga (2011-10-20 06:46:11)

    Same problem here
    Worked like a charm before.
    /etc/X11/xorg.conf
    # NOXORGCONFEXISTED: No X.org configuration file existed when this backup was created.
    /etc/X11/xorg.conf.d/10-evdev.conf
    # Catch-all evdev loader for udev-based systems
    # We don't simply match on any device since that also adds accelerometers
    # and other devices that we don't really want to use. The list below
    # matches everything but joysticks.
    Section "InputClass"
    Identifier "evdev pointer catchall"
    MatchIsPointer "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    EndSection
    Section "InputClass"
    Identifier "evdev keyboard catchall"
    MatchIsKeyboard "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "XkbLayout" "de"
    Option "XkbVariant" "nodeadkeys"
    EndSection
    Section "InputClass"
    Identifier "evdev touchpad catchall"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    EndSection
    Section "InputClass"
    Identifier "evdev tablet catchall"
    MatchIsTablet "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    EndSection
    Section "InputClass"
    Identifier "evdev touchscreen catchall"
    MatchIsTouchscreen "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    EndSection
    /etc/X11/xorg.conf.d/10-synaptics.conf
    Section "InputClass"
    Identifier "touchpad catchall"
    Driver "synaptics"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    Option "TapButton1" "1"
    Option "TapButton2" "2"
    Option "TapButton3" "3"
    EndSection
    Xorg log
    [ 90.424] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event6)
    [ 90.424] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
    [ 90.424] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
    [ 90.424] (II) LoadModule: "synaptics"
    [ 90.424] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
    [ 90.424] (II) Module synaptics: vendor="X.Org Foundation"
    [ 90.424] compiled for 1.11.0, module version = 1.5.0
    [ 90.424] Module class: X.Org XInput Driver
    [ 90.424] ABI class: X.Org XInput driver, version 13.0
    [ 90.424] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
    [ 90.424] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
    [ 90.424] (**) SynPS/2 Synaptics TouchPad: always reports core events
    [ 90.424] (**) Option "Device" "/dev/input/event6"
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1472 - 5598
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1408 - 4670
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 0
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left right
    [ 90.500] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
    [ 90.500] (**) Option "TapButton1" "1"
    [ 90.500] (**) Option "TapButton2" "2"
    [ 90.500] (**) Option "TapButton3" "3"
    [ 90.532] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
    [ 90.532] (**) SynPS/2 Synaptics TouchPad: always reports core events
    [ 90.564] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input6/event6"
    [ 90.564] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 11)
    [ 90.564] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
    [ 90.564] (**) synaptics: SynPS/2 Synaptics TouchPad: MaxSpeed is now 1.75
    [ 90.564] (**) synaptics: SynPS/2 Synaptics TouchPad: AccelFactor is now 0.038
    [ 90.564] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
    [ 90.564] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
    [ 90.564] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
    [ 90.564] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
    [ 90.564] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
    [ 90.564] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
    [ 90.564] (II) No input driver/identifier specified (ignoring)
    Last edited by akurei (2011-10-14 10:28:45)

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    Two finger touchpad scrolling in Chrome desktop mode has been pretty bad on my T440s until the recent driver update.  But after the update, I've noticed now that in the tiles version of remote desktop, two finger scrolling no longer works.  It acts as a right mouse click and hold to select text or drag.  In the desktop version of remote desktop on windows 8.1, two finger scrolling works fine.
    I saw an article about editing the Synaptics config file to get two figure scrolling to work in the desktop version by adding a lince that references mstsc.exe, but that line is already in my Synaptics config file.  Not sure how to get Synaptics to pass gestures when using the tiles/metro version of RDP.  
    Any ideas?

    Well, I've confirmed it.  This is a Synaptics driver issue.  I went back to a 16.X version and the scrolling within windows 8.1 tiles version of remote desktop works.
    But, I can see what Synaptics did between these two drivers.  In the latest version of the driver, two finger scrolling is now handled like trackpoint scrolling now.  With trackpoint, if you hold the center button down and mobe the trackpoint vertically, a vertical scroll icon appears and scrolling works well in windows 8.1 and within a remote desktop session in using the tiles version.  The vertical scroll icon appears in both cases.  And when you do two figure scrolling in the desktop, the vertical scroll icon appears, but when you go to a remote desktop session (tiles version), two finger scroll does NOT work, no vertical scroll icon appears.  In the remote desktop session, the two finger scroll is treated like a right click and drag.  This is horrible because if you try to two finger scroll in an explorer window, you can accidentally move files or folders into other folders!!!!  FRUSTRATING and dangerous!
    In the desktop version of remote desktop, this is not an issue, when two finger scrolling happens, the vertical scroll icon does appear and scrolling works!
    In the old version of driver, the two finger scrolling must be handled independently of the way trackpoint scrolls... there is never a vertical scroll icon but scrolling always works, albeit herky jerky and buggy in some programs.  In the new version of driver, the bugginess is now fixed, except this new two finger scrolling issue has been introduced.
    I think the suggestion about modifying the Synaptic tp4table.dat file is a good one except that I can't seem to add a windows 8.1 tiles app to this file... have no idea how to do that as the tiles apps are OS protected and are not exactly .exes.  UGH!  Ideas about this??
    Just got off a horrible telephone support session trying to report this... tech kept asking me about my boot issues... I don't have boot issues!  I don't expect any help to come soon... I guess I hope someone at Lenovo or Synaptic actually reads this stuff!
    Please Synaptic... this should be a simple, quick fix.  

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