Hello I am running Ubuntu 14.4 LTS (`3.13.0-68-generic #111-Ubuntu x86_64 x86_64 x86_64 GNU/Linux') and I am one of the many who experience palm detection / too high sensitivity with the touchpad, sending the cursor around while typing.
I have already found many advice by reading around (there are many posts, I quote a few References below), and tested some solutions, but I have not yet achieved a solution which continues to work after reboot.
In particular I have already followed those present on AskUbuntu and StackExchage (see references below) about "how to correct this and that syndaemon setting".
All those I have read basically reduce to the following two steps:
play around with syndaemon settings until you are satisfied
--> and this works fine, e.g. with commands
/usr/bin/syndaemon -i 0.5 -d -K, but only until the end of the session
put a proper line in "Startup Activities" (whatever it's named, in Italian it is "Applicazioni d'Avvio") so that it will be automatically done for future sessions. For this I also took into account that it needs a prepended sleep, in order to run when all the required process background is properly setup. the full line is:
/bin/bash -c "sleep 10&&/usr/bin/syndaemon -i 0.5 -d -K"
Even doing so, I still experience those issues again, and when I inspect the syndaemon process by means of
ps -ax | grep syndaemon, I find:
2005 ? S 0:04 syndaemon -i 1.0 -t -K -R 2224 ? Ss 0:04 /usr/bin/syndaemon -i 0.5 -d -K
See the unwanted line is still there (it's the first).
What does it mean
Ss in the second line?
What can I do to fix it once and forever (and for all users?)
PS. On every user account where I have made such tests changes, there also happen the following side-effect: from time to time the touchpad goes inactive, in such a way that I cannot toggle it on by pressing Fn+F5. Rather it needs a
synclient TouchPadOff=0 to revive.
That's all. I thought I would find more complete information by asking the forum directly.
A few References:
[syndaemon] Where to configure syndaemon settings?