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Message #89895
[Bug 624985] Re: xserver-xorg-input-synaptics grabs devices it shouldn't
Patch added in ubuntu4 version of the package, for review purposes.
** Description changed:
Two touchpad devices A and B
X enumerates A before B
They both have a /dev/input/event* node and a /dev/input/mouse* node
I set up xorg.conf to use evdev for A
A gets handled by evdev
B's /dev/input/mouse* node gets probed by synaptics
it doesn't match /dev/input/event* in the synaptics probe function, so synaptics runs the eventcomm AutoDevProbe callback
the AutoDevProbe callback finds the first evdev node that isn't grabbed by synaptics already
in this case, it finds A and grabs it
+
+ Freeze Exception Information:
+
+ The solution is to match the synaptics input module only for
+ /dev/input/event* nodes. For the purposes of Ubuntu, this bug may cause
+ the Magic Trackpad to be grabbed by the synaptics driver instead of
+ evdev. When this occurs, gestures will not work.
** Patch added: "115_evdev_only.patch"
https://bugs.launchpad.net/utouch/+bug/624985/+attachment/1602889/+files/115_evdev_only.patch
** Changed in: xserver-xorg-input-synaptics (Ubuntu)
Status: In Progress => New
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xserver-xorg-input-synaptics grabs devices it shouldn't
https://bugs.launchpad.net/bugs/624985
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