Public bug reported:

I am running Ubuntu 6.06.2 LTS with all the latest updates on a Dell
Inspiron D600. I've looked at the existing bugs for keyboard and mouse
problems, and this doesn't seem to fit nicely into any of the existing
ones.

Basically when typing, the pointer behaves as if the mouse buttons (left
or right?) have been clicked. Quite often the events cause all the text
typed so far to be selected, and so when the next key is pressed it
causes all text to be erased - very annoying indeed! Even during typing
this text so far, a right-click was sent to the area above the "Further
information" text box, and "Sent to", then "Google mail" selected. After
resuming typing, twice has the mouse moved smoothly (at a constant speed
of about 100 pixels per second) in an up-right direction, and then after
typing a few more characters in a down-left direction. I estimate it
does this approximately once every one or two sentences of text. I type
at a speed of between 80 to 120 words per minute, and the problem seems
significantly worse when I am typing faster.

Another side effect is that once these symptoms have appears, it often
seems to affect the ability to navigate the desktop correctly. i.e. i am
unable to give focus to other windows, or click on certain buttons. In
order to restore full mouse functionality I am having to CTRL-ALT-F1 to
switch to a text console then CTRL-ALT-F7 to switch back to my X
session.

Running dmesg has shown that some psmouse.c errors occured around the
time the system started up, but certainly nothing shows up in any of the
log files in /var/log for the period during which I have been typing
this text you are reading now. dmesg output also shows nothing of
significance (as far as I can interpret).

Hopefully this is enough information to get someone started on a line of
questions - I shall be happy to answer and help as much as possible, and
hopefully I am not alone in experiencing these symptoms.

I've been trying to switch to ubuntu from Windows XP at a frequency of
about once per year ever since Hoary, and it's always been quirks such
as this (also on an Inspiron 8000 and Inspiron 8100) that seem to cause
it to not be viable - I really would like to see Ubuntu succeed as a
contender to the desktop!

** Affects: ubuntu
     Importance: Undecided
         Status: New

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erratic mouse behaviour when typing too quickly
https://bugs.launchpad.net/bugs/195629
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