After trying changing all elevator options, and many suggestions out
there, I've checked irqbalance. In /etc/default/irqbalance, I've changed
in my Ubuntu 12.04 LTS 64-bit notebook, ENABLED from 0 to 1, as follows:
root@XXX4:/etc/default# cat irqbalance
#Configuration for the irqbalance daemon
#S
Public bug reported:
HDD ligths turn on steady and mouse+keyboard becomes almost unresponsive
(I say almost because there's some really short moments that a key or
mouse move acts and then freezes for several minutes and so on).
Sometimes I've left it overnight to see if the notebook turns back to
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https://bugs.launchpad.net/bugs/1031323
Title:
System freezes on high memory usage and swapping
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For me it occurs with a 8 GB plain swap file in my 4GB notebok from the
beginning since Ubuntu 10.04 until 12.04 LTS 64-bit with
3.2.0-27-generic kernel. It's incredible!
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