6.0RC1 - enabling synaptics touchpad freezes machine

Tom.Lislegaard at proact.no Tom.Lislegaard at proact.no
Wed Nov 9 04:36:04 PST 2005

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

I'm no kernel hacker, but any advice on how to debug this would be


>> 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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