Re: [rtl] Re: [realtime] RTlinux 2.2, mbuff 0.7.1 and Linux 2.2.14

[Philip N Daly <pnd@noao.edu>]

>
> 
> > Although the system is RedHat 6.1, I started off with a squeaky clean 
> > 2.2.14 kernel from ftp.kernel.org. I installed RTLinux 2.2 and the examples 
> > all work fine. I installed mbuff 0.7.1 and the examples work fine.
> 
> Which examples? make test ?

make tests test1 test2

> 
> > 
> > Now, I upgraded my mbuffex tester and here's what happens:
> 
> Upgraded? To what? To use 0.7.1 ? There should be no change necessary.

Upgraded in the sense that (my) mbuffex-0.6.4 was only RTAI. The new one should
also handle RTLinux. I agree that there is no change to my original code.

> As for now my recomendation is to use 0.6.6 with 2.2 kernels and 0.7.1 with
> 2.4. 

OK, I'll try it with 0.6.6 and see what happens.

> There is still an "issue" arising when some process first mmaps mbuff and
> then forks. Don't do that.

Don't think I do fork anywhere but thanks for the tip


+==================================================================+
 Phil Daly, NOAO/AURA, 950 N. Cherry Avenue, Tucson AZ 85719, U S A
 E-mail: pdaly@noao.edu  V-mail: (520) 318 8438  Fax: (520) 318 8360