[EMAIL PROTECTED] wrote:
>
> Due to RTLinux v2 is not stable yet, should I use RTLinux v1.x or v2??
> My app doesn't have to perform complex tasks, only:
>
> Access I/O ports and serial port
> Comunnicate processes with FIFO's
>
> Which problems can I have using version 1.x???
I had a simple servo-task running for the seven days of CeBIT99
along with Staroffice, Netscape, 20 Fli-Animations,
2 xquakes, mp3-decoder (x11amp), gimp, glquake and bfries on voodoo1
and a bunch more applications, running almost everything in parallel
using fvwm95 and a KDE-session within a nested X-Server.
You can imagine, that when about 1000 people (no exaggeration)
per hour were bassing by in the "Linux Lane", i was not willing
to show anything on Linux that would have been crashed :-)
So i used RTL0.6 along with Kernel 2.0.33 - no Problems at all!
Most "usual" people were absolutly astonished, that so many (user-)tasks
can run in parallel on a standard AMD K6/300. The guys that
also knew anything about "Realtime-System", even couldn't beleave,
that the same machine is generating the timing critical
signale for up to 12 RC-Servos at the same time.
(http://www.linux-magazin.de/ausgabe/1998/11/Rtlinux/rtlinux2.html
sorry, german language, only)
Zentropix sold there CDs with 0.9J for a long time due
to some "scheduler problems" in RTL1.2 - in deed: the
RC-Servo timing generator had unusual jitters up to
30 microseonds. i didn't had stability problems, but i
also didn't spend much time on evaluating 1.2, and i don't
know anything about 1.3.
At least, with RTL2.0 i have detected some minor problems,
but that may be due to my special Dual-Celeron-Configuraton
along with a Kernel-module for the 3D-acceleration of a Voodoo3-Card,
combined with only few experiences with the new version :-)
AFAIK RTL2.0 is also considered stable ...
hope that helps
Bernhard
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For more information on Real-Time Linux see:
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