You have been subscribed to a public bug:
On MSI GT60-20C with Ubuntu 14.10, the touchpad freezes the XServer when
combining LeftClick + Tap, or multifinger taps.
As a workaround, I was partly initializing the XServer by performing a
Ctrl+Alt+F1 then a Ctrl+Alt+F7. The touchpad continues to work after
this.
I tried to dig deeper into the problem, so when the XServer freezed
again, I continued to move the cursor to a known place, I performed
after my Ctrl+Alt+F1/F7 combination, and found the cursor in a different
place after freezing. This actually means that when the XServer freezes
it only stops rendering the place of the cursor.
I got an idea, and installed Gnome Pointing Devices; I changed the
settings of Vertical/Horizontal scrolling and the problem seemed to
occur less up till now.
EDIT: It happened again, I was watching a video, the video continued to
play but the compositor stopped rendering the screen. I am running the
proprietary NVidia binary driver on my OS (NVidia GK106M GeForce GTX
770M version 331.104 from nvidia-331)
** Affects: xorg (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: utopic
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Touchpad freezes XServer when using multifingers
https://bugs.launchpad.net/bugs/1393412
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seeded packages, which is subscribed to xorg in Ubuntu.
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