Re: Bug#622231: xserver-xorg-input-synaptics: synaptics driver not always used
reassign 622231 linux-2.6 2.6.38-4
kthxbye
On Mon, May 9, 2011 at 23:24:17 +0200, Vincent Lefevre wrote:
> I'm using udev 167-3 and the kernel was linux-image-2.6.38-2-amd64
> 2.6.38-4 for the latest problems.
>
> Now I'm using linux-image-2.6.38-2-amd64 2.6.38-5. I did a single
> reboot and the problem didn't appear.
>
> I don't know whether this is related, but apart from ordering
> differences, lsmod shows the following ones: when the bug appeared,
> I got
>
> evdev 17475 16
>
> and no joydev module listed. Now (where the bug doesn't appear),
> I get
>
> evdev 17475 17
> joydev 17138 0
>
> Also:
>
> $ grep input: dmesg.bug622231
> [ 0.775256] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
> [ 12.344552] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input1
> [ 12.375643] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:34/LNXVIDEO:00/input/input2
> [ 12.461978] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input3
> [ 12.465763] input: PC Speaker as /devices/platform/pcspkr/input/input4
> [ 12.496061] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input5
> [ 13.086385] input: Dell WMI hotkeys as /devices/virtual/input/input6
> [ 13.495066] input: Laptop_Integrated_Webcam_0.3M as /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/input/input7
> [ 14.668988] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input8
> [ 14.685139] input: HDA Intel Mic at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
> [ 14.685215] input: HDA Intel Mic at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
> [ 14.685279] input: HDA Intel Line Out at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
> [ 14.685348] input: HDA Intel HP Out at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
> [ 15.080771] input: PS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input13
> [ 26.272625] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input14
>
> $ dmesg | grep input:
> [ 0.763127] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
> [ 10.108978] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input1
> [ 10.140084] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input2
> [ 10.175719] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input3
> [ 10.176434] input: PC Speaker as /devices/platform/pcspkr/input/input4
> [ 10.200964] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:34/LNXVIDEO:00/input/input5
> [ 10.735055] input: Dell WMI hotkeys as /devices/virtual/input/input6
> [ 10.991351] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input7
> [ 11.009085] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input8
> [ 11.910531] input: Laptop_Integrated_Webcam_0.3M as /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/input/input9
> [ 12.519513] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input10
> [ 12.529221] input: HDA Intel Mic at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
> [ 12.529327] input: HDA Intel Mic at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
> [ 12.529431] input: HDA Intel Line Out at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
> [ 12.529537] input: HDA Intel HP Out at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
> [ 24.305340] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input15
>
> So, the differences are:
>
> When the bug appeared:
> [ 15.080771] input: PS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input13
>
> When it doesn't appear:
> [ 10.991351] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input7
> [ 11.009085] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input8
>
> Is there any other useful information I can give?
>
Probably not, apart from letting us know if you can reproduce with the
newer kernel. Seems like flaky touchpad detection.
Cheers,
Julien
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