[LITMUS^RT] "could not become RT task: Invalid argument" on C-EDF Plugin

[Jeremy Erickson]

I discovered what appears to be a bug in the C-EDF plugin, unless it is a
bug in Chris's qcow2 image.  Even in 2012.2, when I run the attached
script, I often get the error "could not become RT task: Invalid argument"
for a random number of the tasks - sometimes just one, sometimes two,
sometimes all three, sometimes none.  I reverted to Chris's original image
and continued to reproduce the error, although I did not see it happen on
my VirtualBox image on my MacBook Air.

Has the C-EDF plugin been maintained recently?  Can anyone reproduce this
bug on a different machine?  Thanks!

In order to run the script, put it in /root, along with liblitmus and
feather-trace-tools directories with compiled binaries.  Alternatively, you
can modify the variable declarations at the top.

-Jeremy Erickson
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