Hi,
I appreciate the support very much.
Paolo Mantegazza wrote:
>
> The problem is not related to rtai_sched, since it is doing nothing. Try
> to comment out the rtai_mount at the end of init_module in rtai_sched.c
> recompile an try using ppp with it after inserting just rtai and
> rtai_sched (UP). Nothing should change. ...
>
This is my understanding too. On the other hand there is no doubt about
_some_ kind of interaction, the observations are just too obvious. I'll
follow your advice as soon as possible. Thank you very much.
Stuart Hughes wrote:
>
> ... The only obvious difference is that you report the
> serial interrupt in 14 on your system, on most that I have looked at 14
> is usually the ide hard drive interrupt (I don't know if this is
> significant). ...
>
I can't imagine any kind of conflict in this case: It is a SCSI only
system with the IDE hardware disabled in bios setup.
"Rus V. Brushkoff" wrote:
>
> Is this ppp behavour happens when you insmod only rtai_sched ? If no rtai
> task is running - no CPU power consuming. If you run some RT task and this
> task eats CPU - Linux can be scheduled too few times, so you can see ppp
> glitches. ...
>
My usual setup is rtai core, scheduler, fifos and one own module. Removing
the latter makes no difference, the change comes with removing rtai_sched.
The remaining core and fifos are causing no harm either.
----------
Unfortunately I have to strongly focus on my ongoing project. So I'm
currently just living with this problem (and re/insmod the modules for ppp
use). As soon as I find time for further tests, I will let this community
know about the results.
Many thanks again
Wilken Boie
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