kernel-packages team mailing list archive

[Artur Krysiak <194489@xxxxxxxxxxxxxxxxxx>]

Bryce, it seems that the trouble still exists.

I use Ubuntu 14.04 x64 version. PowerTop indicates that while I wave
with the cursor using a trackpoint, the wakeups caused by PS/2 Touchpad
/ Keyboard / Mouse is about 30% of all wakeups.

The kernel settings for psmuose: options psmouse rate=50 decreased
wakeups percentage share to mentioned above 30%. For rate=100 the
wakeups share was more than 40%.

I really don't know why there are so many wakeups generated by the mouse
driver. The good news is: when you don't use mouse then the wakeups
share is lower than 1%.

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https://bugs.launchpad.net/bugs/194489

Title:
  ps2 synaptics touchpad causing huge amounts of wakeups

Status in The Linux Kernel:
  Won't Fix
Status in XOrg-Driver-Synaptics - synaptics driver for XOrg:
  Won't Fix
Status in “linux” package in Ubuntu:
  Fix Released
Status in Fedora:
  Invalid

Bug description:
  powertop reports a huge amoun of wakeups from the touchpad. Notice
  that this is independent of the synaptics driver being loaded or not.
  I get the exact same results with an out of the box xorg.conf where
  the touchpad is recognized as a plain mouse. The screenshot shows the
  problem.

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