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c.f. bug 424647
List Archive: gentoo-amd64
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To: gentoo64-help <gentoo-amd64@g.o>
From: Mansour Al Akeel <mansour.alakeel@...>
Subject: Lost synaptics touchpad scrolling after kernel upgrade
Date: Fri, 17 Jun 2011 22:11:10 -0400
Hello all,
 
I upgraded from 2.6.37-gentoo-r4 to 2.6.38-gentoo-r6. I didn't change
anything in the config file, and used the old kernel config to compile
the new kernel. However, when I booted into the new kernel, I found the
scrolling in the touch pad is not working !
If I boot into the older kernel it works fine. I recompiled the
following Xorg drivers under the new kernel :

xf86-input-evdev-2.6.0
xf86-input-mouse-1.7.0
xf86-input-synaptics-1.3.0
xf86-video-fbdev-0.4.2
xf86-video-intel-2.14.0
xf86-video-vesa-2.3.0

I tried to check the correct mouse device using:
cat /dev/input/* 

For all the devices, but none produced the expected output of
unreadable characters. 

For some reason, TouchPad is not found, as per  /var/log/Xorg.0.log

[    37.976] (II) No input driver/identifier specified (ignoring)
[    37.976] (II) config/udev: Adding input device HDA Intel Headphone (/dev/input/event7)
[    37.976] (II) No input driver/identifier specified (ignoring)
[    37.984] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event3)
[    37.984] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
[    37.984] (**) AT Translated Set 2 keyboard: always reports core events
[    37.984] (**) AT Translated Set 2 keyboard: Device: "/dev/input/event3"
[    37.990] (--) AT Translated Set 2 keyboard: Found keys
[    37.990] (II) AT Translated Set 2 keyboard: Configuring as keyboard
[    37.990] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD)
[    37.990] (**) Option "xkb_rules" "evdev"
[    37.990] (**) Option "xkb_model" "evdev"
[    37.990] (**) Option "xkb_layout" "us"
[    37.990] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event4)
[    37.990] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
[    37.990] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[    37.990] (II) Synaptics touchpad driver version 1.3.0
[    37.990] (**) Option "Device" "/dev/input/event4"
[    37.994] (--) SynPS/2 Synaptics TouchPad: invalid x-axis range.  defaulting to 1615 - 5685
[    37.994] (--) SynPS/2 Synaptics TouchPad: invalid y-axis range.  defaulting to 1729 - 4171
[    37.994] (--) SynPS/2 Synaptics TouchPad: invalid pressure range.  defaulting to 0 - 256
[    37.994] (--) SynPS/2 Synaptics TouchPad: invalid finger width range.  defaulting to 0 - 16
[    37.994] (--) SynPS/2 Synaptics TouchPad: no supported touchpad found
[    37.994] (EE) SynPS/2 Synaptics TouchPad Unable to query/initialize Synaptics hardware.
[    37.999] (EE) PreInit failed for input device "SynPS/2 Synaptics TouchPad"
[    37.999] (II) UnloadModule: "synaptics"
[    37.999] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
[    37.999] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[    37.999] (II) Synaptics touchpad driver version 1.3.0
[    38.236] (EE) SynPS/2 Synaptics TouchPad no synaptics event device found
[    38.236] (**) Option "Device" "/dev/input/mouse0"
[    38.240] (--) SynPS/2 Synaptics TouchPad: invalid x-axis range.  defaulting to 1615 - 5685
[    38.240] (--) SynPS/2 Synaptics TouchPad: invalid y-axis range.  defaulting to 1729 - 4171
[    38.240] (--) SynPS/2 Synaptics TouchPad: invalid pressure range.  defaulting to 0 - 256
[    38.240] (--) SynPS/2 Synaptics TouchPad: invalid finger width range.  defaulting to 0 - 16
[    38.261] (EE) Query no Synaptics: 6003C8
[    38.261] (--) SynPS/2 Synaptics TouchPad: no supported touchpad found
[    38.261] (EE) SynPS/2 Synaptics TouchPad Unable to query/initialize Synaptics hardware.
[    38.268] (EE) PreInit failed for input device "SynPS/2 Synaptics TouchPad"
[    38.268] (II) UnloadModule: "synaptics"

my Xorg:

Section "ServerLayout"
	Identifier     "X.org Configured"
	Screen        	"Screen0" 0 0
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "usb_mouse" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
	ModulePath   "/usr/lib64/xorg/modules"
	FontPath     "/usr/share/fonts/misc/"
	FontPath     "/usr/share/fonts/TTF/"
	FontPath     "/usr/share/fonts/OTF"
	FontPath     "/usr/share/fonts/Type1/"
	FontPath     "/usr/share/fonts/100dpi/"
	FontPath     "/usr/share/fonts/75dpi/"
	FontPath     "/usr/share/fonts/mono/"
EndSection

Section "Module"
	Load  "dri2"
	Load  "extmod"
	Load  "dbe"
	Load  "record"
	Load  "dri"
	Load  "glx"
	Load  "synaptics"
EndSection

Section "InputDevice"
	Identifier  	"Keyboard0"
	Driver      	"kbd"
EndSection

Section "InputDevice"
	Identifier  "Mouse0"
	Driver      "synaptics"
	Option	    "Protocol" "auto-dev"
	Option	    "Device" "/dev/input/mice"
	Option	    "ZAxisMapping" "4 5 6 7"
	Option      "TapButton1" "1"
    	Option      "TapButton2" "2"
    	Option      "TapButton3" "3"
	Option		"SendCoreEvents"
        Option         	"SHMConfig" "on"
EndSection

Section "InputDevice"
	Identifier  "usb_mouse"
	Driver      "mouse"
	Option      "Device"     "/dev/input/mice"
	Option      "ZAxisMapping"   "4 5"
	Option      "Buttons"        "5"
EndSection

Section "Monitor"
	Identifier   "Monitor0"
	VendorName   "Monitor Vendor"
	ModelName    "Monitor Model"
EndSection

Section "Device"
	Identifier  "Card0"
	Driver      "intel"
	VendorName  "Intel Corporation"
	BoardName   "Arrandale Integrated Graphics Controller"
	BusID       "PCI:0:2:0"
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
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection


lsmod | sort :
Module                  Size  Used by
ac                      3163  0 
agpgart                25761  3 drm,intel_agp,intel_gtt
arc4                    1298  2 
ath                    14363  3 ath9k,ath9k_common,ath9k_hw
ath9k                  93150  0 
ath9k_common            1781  1 ath9k
ath9k_hw              304369  2 ath9k,ath9k_common
backlight               3868  1 video
battery                10387  0 
broadcom                6998  0 
cfg80211              142723  3 ath9k,mac80211,ath
dm_mod                 62570  0 
drm                   163391  3 i915,drm_kms_helper
drm_kms_helper         26499  1 i915
ecb                     1897  2 
ehci_hcd               37751  0 
i2c_algo_bit            6488  1 i915
i2c_i801                7556  0 
i915                  295715  2 
intel_agp              10553  1 i915
intel_gtt              13886  3 i915,intel_agp
libphy                 15633  2 tg3,broadcom
mac80211              174434  1 ath9k
nls_base                6529  1 usbcore
sg                     26942  0 
snd                    56667  12 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
snd_hda_codec          75586  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hda_codec_hdmi     24547  1 
snd_hda_codec_realtek   320817  1 
snd_hda_intel          23410  0 
snd_hwdep               5996  1 snd_hda_codec
snd_mixer_oss          14843  1 snd_pcm_oss
snd_page_alloc          6625  2 snd_hda_intel,snd_pcm
snd_pcm                68666  4 snd_pcm_oss,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_pcm_oss            42157  0 
snd_seq                50911  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          5157  2 snd_seq_oss,snd_seq
snd_seq_midi_event      5132  1 snd_seq_oss
snd_seq_oss            30332  0 
snd_timer              18837  2 snd_seq,snd_pcm
soundcore               5359  1 snd
sparse_keymap           2720  0 
tg3                   123454  0 
usbcore               121077  1 ehci_hcd
video                  11475  1 i915
wmi                     7970  0 



Thank you in advance.




Replies:
Re: Lost synaptics touchpad scrolling after kernel upgrade
-- Duncan
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Updated Jun 28, 2012

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