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The Unity 2d Dash on my Ubuntu 12.04 was working pretty fine, but all of the sudden started to require high CPU usage (100%) and became unresponsive. Any suggestions ?....

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Welcome to askubuntu! Mentioning your computer specs would help. –  Nickolas Jun 26 '13 at 11:09
Yes, can you supply the following information: how much RAM, the amount of free disk space, swap disk size, and the CPU in your PC. –  SimplySimon Jun 26 '13 at 11:20
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