Found this:

   http://stackoverflow.com/questions/14971910/how-to-get-permission-for-pthread-setschedparam

Don't fully understand it; is it saying its basically impossible?


On Thu, Jun 18, 2015 at 4:30 PM, Chris Muller <ma.chris.m at gmail.com> wrote:
> I am having trouble using the "HT" version of the Spur VM under
> daemontools.  When the daemon attempts to launch the image it gets the
> familiar pthread error:
>
> pthread_setschedparam failed: Operation not permitted
> Read e.g. http://www.mirandabanda.org/files/Cog/VM/VM.r3370/README.3370
>
> however, I *definitely* have my /etc/security/limits.d/squeak.conf
> file set up as instructed (been working fine for ages), and in fact
> I'm able to run the same image with the same startup script under the
> same uidgid manually.  (e.g., I'm able to cut-n-paste the line from my
> "run" script into the terminal and it works fine...)
>
>      exec setuidgid magma /usr/local/bin/spur -vm display=none
> server-spur.image $DIR/run.st `cat port`
>
> ... but when daemontools runs it, gets the pthread error.  Weird!  Any ideas?
>