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[Magnus Carlsson <magnus@xxxxxxxxxxxxxx>]

I suspect this bug is related (but perhaps not identical) to the problem
that Andy Isaacson reported on here:

  http://www.spinics.net/lists/linux-input/msg04193.html

Most of the times, I can "unstuck" the button and get the missing
button-release event by moving the pointer with the touchpad (but not
with the pointing stick).

I booted the kernel with i8042.debug=1, and looked at the output from
i8042.c in /var/log/kern.log.  For normal ButtonPress and ButtonRelease
events, I get six bytes of data (details attached):

press:       ff 69 28 29 5d 00 
release:     ff 69 28 28 5d 00 

But occasionally when I release the button, I get what looks like an
additional ButtonPress event, plus an additional six bytes of data:

  ff 69 28 29 5d 00 ff 00 00 08 00 7f

This results in a missed ButtonRelease event.


** Attachment added: "Output from i8042.c"
   http://launchpadlibrarian.net/35578385/kern.log

-- 
Mouse behaves strange on clicking in graphical environment
https://bugs.launchpad.net/bugs/444674
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