Public bug reported:
Upon waking my computer from sleeping, certain games will perform less
responsively than before putting the computer to sleep. To be more
descriptive, the games' visuals will appear to lag slightly
(milliseconds) behind my input from the keyboard and mouse.
This occurs most pronouncedly with the game Awesomenauts, while slightly
improving in certain parts of the level (perhaps less CPU-intensive
areas). The problem occurs, albeit less pronouncedly, with other games
such as Counter-Strike: Source and Left 4 Dead 2 (if not all of Valve's
Source games), Beat Hazard, and perhaps other games in my Steam library
I have yet to try.
Restarting the computer rectifies the problem, and renders the games
snappy and responsive once again.
It is unclear whether the games themselves becomes less responsive (CPU-
wise), or whether it is the result of another link in the chain (input,
GPU, RAM, HDD).
Ubuntu 12.04, 32-bit
M4A78LT-M LE Motherboard
AMD Athlon II X4 645, 3.10 GHz
7.9 GB RAM
Nvidia GeForce GT 240
Nvidia Proprietary Driver Version 319.32
NV-CONTROL Version 1.29
Linksys WUSB54GC v1 802.11g Adapter [Ralink RT73]
Hewlett Packard USB Keyboard
Hewlett Packard PS/2 Mouse
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1254867
Title:
Waking from Sleep Makes Some Games Perform Sluggishly
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