6.0RC1 - enabling synaptics touchpad freezes machine

[Tom.Lislegaard at proact.no]

On Thu, 10 Nov 2005, Eric Schuele wrote:

> Tom.Lislegaard at proact.no wrote:
>> 
>> 
>> On Tue, 8 Nov 2005, Eric Schuele wrote:
>> 
>>> Tom.Lislegaard at proact.no wrote:
>>> 
>>>> 
>>>> I try to enable touchpad support on an Acer Travelmate 8104
>>>> by setting hw.psm.synaptics_support="1" in loader.conf.
>>>> 
>>> 
>>> I have a synaptics touchpad on a Dell Inspiron.  I've never used the above 
>>> (and never had the problems you mention below)...
>>> 
>>> I add
>>>  hint.psm.0.flags="0x1000"
>>> to my /boot/device.hints file to get it working.
>>> 
>>> Might give it a try.  Presently running 6.0-STABLE as of this morning... 
>>> but the above hint has been working since 5.x days.
>>> 
>> 
>> I should have expressed myself better. The touchpad works with no special
>> settings, but only as a generic 2-button ps2 mouse. What I'm after is
>> "more buttons" and that should (in theory) be accomplished with the
>> synaptics_support setting.
>> Eric, could you try to set this variable and see if it works with your
>> hardware?
>
> Sorry for not responding sooner.
> What "more buttons" would I experience?  Presently I can use the left, the 
> right, and both at the same time.  I don't mind setting it... but what should 
> I do to see if the desired functionality exists?  Or are we just looking for 
> it to hang my machine (or not)?
>
It would be of some value to know if this is a general problem or
something specific to my hardware/configuration.

As to the question of "more buttons", the most interesting are buttons
4 and 5 for scrolling. If you decide to try it out, you need to set
something like this in xorg.conf

  Section "InputDevice"
         Identifier  "Mouse0"
         Driver      "mouse"
         Option      "Protocol" "Auto"
         Option      "Device" "/dev/psm0"
         Option      "ZAxisMapping" "4 5"
         Option      "Buttons" "5"
  EndSection

I'm not sure how buttons are numbered on this device. Given that it
works in "synaptics mode" you can check the assignment with xev.

-tom

>> 
>> I'm no kernel hacker, but any advice on how to debug this would be
>> appreciated.
>> 
>> -tom
>> 
>>> HTH
>>> 
>>>> After that any access to psm0 seems to hang the machine solid.
>>>> For instance running 'moused -p /dev/psm0' or starting Xorg with
>>>> psm0 as mousedevice freezes the machine immediately, and I have
>>>> to use the power button to recover.
>>>> 
>>>> This is an out-of-the-box 6.0RC1 Generic kernel. The only
>>>> other change I've done is to disable acpi, though that doesn't
>>>> change anything regarding the touchpad problem.
>>>> 
>>>> Is anyone else seeing something similar (and preferably have
>>>> a solution)?
>>>> 
>>>> Output of dmesg is found below.
>>>> 
>>>> -tom
>>>> 
>>> 
>>> -- 
>>> Regards,
>>> Eric
>>> 
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>
>
> -- 
> Regards,
> Eric
>