Possible bug with multiple pointing devices

[Joel Feiner]

On 08/12/2009 07:45 AM, Peter Hutterer wrote:
> On Tue, Aug 11, 2009 at 08:34:46PM -0400, Joel Feiner wrote:
>> I just rebuilt the whole stack.  The issue persists.
>>
>> Make sure you take exactly the following steps:
>> 1) Press and hold the left mouse button with optical mouse, without
>> moving the optical mouse or the other mouse
>> 2) Start moving the trackpoint...no text will be selected
>> 3) Move the optical mouse and text will begin to be selected from where
>> the cursor ended up after step 2 (not where the mouse was when the left
>> mouse button was originally pressed)
>>
>> Doing the inverse (converse?) operation starting with the trackpoint
>> mouse buttons and then moving the optical mouse has the exact same
>> results.
>>
>> Do you think my config is wrong?  I kind of had to hack the device
>> sections so that I could have both trackpoint and USB mouse.
>
> amusing. actually an evdev bug which explains why I didn't reproduce it with
> my trackpad + touchpad (synapticd driver).
>
> it works if you click and move device A before moving device B. If you just
> click A but dont move, the middle button timer isn't posted to the
> server until the next EV_SYN arrives from the device. Introduced with
> 69d6ff3e01263ce2d52ed18b08f054bf3fdb923c.
>
> Please file a bug for this issue so I don't lose it, just copy/paste this
> email into the first comment.
>
> Cheers,
>    Peter
>

Report has been filed: https://bugs.freedesktop.org/show_bug.cgi?id=23269