Arch Linux

It was a little tricky, but I finally got it working as before using the following fdi:

<?xml version="1.0" encoding="ISO-8859-1"?>
<deviceinfo version="0.2">
<device>
<match key="info.capabilities" contains="input.touchpad">
<match key="info.product" contains="Synaptics TouchPad">
<merge key="input.x11_driver" type="string">synaptics</merge>
<!-- Arbitrary options can be passed to the driver using
the input.x11_options property since xorg-server-1.5. -->
<merge key="input.x11_options.SHMConfig" type="string">true</merge>
<merge key="input.x11_options.VertEdgeScroll" type="string">true</merge>
<merge key="input.x11_options.HorizEdgeScroll" type="string">true</merge>
<merge key="input.x11_options.CornerCoasting" type="string">true</merge>
<merge key="input.x11_options.TapButton1" type="string">1</merge>
<merge key="input.x11_options.TapButton2" type="string">2</merge>
</match>
<match key="info.product" contains="AlpsPS/2 ALPS">
<merge key="input.x11_driver" type="string">synaptics</merge>
</match>
<match key="info.product" contains="appletouch">
<merge key="input.x11_driver" type="string">synaptics</merge>
</match>
<match key="info.product" contains="bcm5974">
<merge key="input.x11_driver" type="string">synaptics</merge>
</match>
</match>
</device>
</deviceinfo>

Thanks, Pierre. That alone didn't solve it but got me on the road. First of all your fdi compared to the default one has the driver options in the right section (info.products = "Synaptics TouchPad" instead of the default "bcm5974"). Afterwards I could see the options in Xorg.0.log. Still they were ignored - until I commented out all other input device sections in xorg.conf. Now Xorg recognizes all options and changes in the fdi file. Everything fine again.

Maybe someone else can confirm you have to comment out these driver sections in the xorg.conf? Then it would be worth adding that to the Xorg_Input_Hotplugging wiki page. Otherwise this can be closed.

I can confirm this problem.
Changes to /etc/hal/fdi/policy/11-x11-synaptics.fdi as proposed by Pierre doesn't fix the problem

Revert to old synaptics packages didn't do it also, with errors:
(EE) Failed to load /usr/lib/xorg/modules/input//synaptics_drv.so
(EE) Failed to load module "synaptics" (loader failed, 7)
(EE) [drm] Could not set DRM device bus ID.
(EE) intel(0): [dri] DRIScreenInit failed. Disabling DRI.
(EE) No Input driver matching `synaptics'
dlopen: /usr/lib/xorg/modules/input//synaptics_drv.so: undefined symbol: xf86errno
(EE) Failed to load /usr/lib/xorg/modules/input//synaptics_drv.so
(EE) Failed to load module "synaptics" (loader failed, 7)
(EE) No input driver matching `synaptics'


Really bad situation, no tapping :(

@Manuel
disabling other input devices doesn't help

The definitive fix for me was found on http://bbs.archlinux.org/viewtopic.php?pid=448864

Just add
# You will also need the following 3 lines if you're using Xorg 1.5RC6 or newer
Option "TapButton1" "1"
Option "TapButton3" "3"
To the synaptic InputDevice section.

Why should it be done?
Yet scrolling is not working. Maybe every little option is now done manually?

It seems so, at least for me, as
Option "VertEdgeScroll" "true"
Option "HorizEdgeScroll" "true"

Did scrolling back

If you look at Pierre's fdi file, all your last posts were already in there. He had these options proposed there (and I had them in my fdi before as well, they just were ignored that's why I opened this bug report, not because I had my fdi configured wrong).

I agree Manuel.
But firstly why the synaptics' fdi file is not shipped? At least on my system I couldn't find it. I had to write it to test it.

http://wiki.archlinux.org/index.php/Xorg_input_hotplugging#Configuration

Has been in the wiki for weeks...

I had some issue related to Synaptics touchpad (http://bugs.archlinux.org/task/11493), now fixed.

I also encountered this problem (no config/config insensible) cause of Hal recognized info.product key:
$ hal-get-property --udi $(hal-find-by-capability --capability input.touchpad) --key info.product

I fixed it creating /etc/hal/fdi/policy/12-synaptics-custom.fdi and fixing match elem in
<match key="input.x11_driver" string="synaptics">
to select devices by driver (*driver previously assigned by /usr/share/hal/fdi/policy/10osvendor/11-x11-synaptics.fdi)
and, obviously, removing all touchpad related configurations from xorg.conf


Finally, Xorg with hotplugging input works great, but ArchWiki is quite "obscure".

Is this still an issue with 0.99.3?

no, same problem after upgrade, options have to be set manually at xorg.conf

I have same problem with evdev driver, synaptics work fine...

I have just been trying 0.99.3 and could not get it to load synaptics driver, it always used evdev. After messing with the hal fdi file and trying a million different things I think I found a problem. In the first line of the fdi, it never finds 'input.touchpad', so synaptics is never loaded. Changed it to 'input.mouse' and it works.

Replace
<match key="info.capabilities" contains="input.touchpad">

With
<match key="info.capabilities" contains="input.mouse">