In this case it looks like the test passed, so the failure may be a one
off. The outcome of this test is influenced by the system load at the
time the test is run, and we try our best to limit this effect. For
example the 'nice -n 20' runs the cpu_scaling_test with a very low
'niceness' level, meaning that it tries to steal all the cpu cycles. If
there are a lot of other 'not nice' processes running at the same time
this could impact the outcome. It's important not to do *any* other
tasks on a test system while Checkbox is running or else the outcomes
could be influenced by them.

Run the command again and immediately after, echo $?. This will tell you
the result - do this five times and if the result is always 0 then close
the bug as Invalid.

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https://bugs.launchpad.net/bugs/947366

Title:
  [Lenovo e320] - cpu_scaling_test Fails

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