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[Jon Grossart <jon@xxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-input-synaptics

Ubuntu 9.10 fresh install (generally base configuration with no external hardware connected)
xserver-xorg-input-synaptics 1.1.2-1ubuntu7
Samsung NC10 11CA BIOS

When performing testing to reduce battery drain on my NC10 netbook, I've
been tracking the CPU wake-ups.  I was using gnome-power-statistics to
track the CPU.

When the computer was idle, there would be around 40 wake-ups per
second.  While using the trackpad, there would be ~475 interrupts for
the trackpad as well as ~150 additional interrupts per second generally
increased (totalling around ~667/second).  I even had one instance (not
recorded unfortunately, where it was in the thousands).  I compared this
against other laptops running fresh 9.10 installation as well as
desktops running it.  Even using a USB mouse, they only generate tens or
less of interrupts per second, not hundreds.

Since other laptops don't show this problem but the NC10 does, I'm
guessing it's a cofiguration/setup issue.

I was looking at Bug #194489, and it seems to be perhaps related, but
somewhat different.  If I'm not using the touchpad, it doesn't generate
spurious interrupts, but when I do use it, it seems to be way too high.

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-
synaptics/+bug/194489

** Affects: xserver-xorg-input-synaptics (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Samsung NC10 touchpad generates hundres of interrupts per minutes
https://bugs.launchpad.net/bugs/487347
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