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[Bug 669535] Re: desktop mysteriously freezes until keyboard or mouse input

 

Same issue on my side. Just bought a new laptop: Lenovo G550, installed
Ubuntu 10.10 and am facing issue as above: while it is not all the
times, it very often (50% of time?) runs into mode where until I move
mouse or press a key the computer completely freezes (does completely
nothing, e.g. flash animation on the web stops, or screensaver demo). It
does things in the background only as long as I am moving the mouse.

Interesting: this laptop model is known for its issues with touchpad. In
my case, when I use touchpad, every few minutes touchpad stops working
for approx 5 seconds and then it works again.

Visual effects linkage: not sure if any. E.g. I was using "normal"
visual effects mode when the system freezing started. When switched to
no visual effects in Ubuntu, the freezing continued.

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https://bugs.launchpad.net/bugs/669535

Title:
  desktop mysteriously freezes until keyboard or mouse input