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

[Jeremy Erickson]

Glenn pointed out to me offline that you have to specify the cluster for
C-EDF.  Apparently this is the case even if there's only one cluster, which
does make sense.  I should have thought of that, but the fact that it
didn't consistently fail threw me off.

When I add the "-p" stuff to the rtspin commands, it works fine.

-Jeremy Erickson

On Thu, Aug 30, 2012 at 4:45 PM, Jeremy Erickson <jerickso at cs.unc.edu>wrote:

> 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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