rtlinux & smp systems

Whether on a UP or dual processor box of athlon or pentium-3, I have
problems with rtlinux with SMP enabled.  On dual processor boxes I'll
get an oops with some virtual address and such dump or an attempted to
kill idle process - aye! kernel panic just when loading rtl.o.  On a
UP box I can at least load rtl.o without freezing, infact I even get
as far as Testing thread wait times in the regression test but the box
siezes up right there with no output anywhere to tell me what went
wrong.  http://webpages.charter.net/nevion/conf-2429 is my kernel
config for the UP with SMP, a similiar config is used on the dual
processor box involving only a mobo chipset and ethernet nic support
change as well as the change in processor arch to p3.  Currently using
vanilla 2.4.29 kernel athlough same has happened for every kernel with
an rc1 patch... I think I might've had similiar or the same troubles
on the passed versions of rtl3.2 for all kernels that where usable as
with them as well(its been a while since I messed with them).  Problem
still happens despite compiler version:  I've tested gcc
2.95.[1-3],3.3.4, 3.3.5, and 3.4.3.  Here is the rtlinux config I use:
http://webpages.charter.net/nevion/rtlconfig

Why use SMP on the UP system?  Because I've got a binary only RTL
module that I can't get source to and it was compiled in a kernel with
SMP support.  The module loads fine in the SMP enabled system and
although everything loads fine in the SMP enabled system.... well I
don't want these lockups when I start interacting with that module.


With all this said, any ideas as to how to fix these SMP related crashes?

Thanks in advance.

ps- These are two lines I've always had to change in rc1 to get it to
compile (on any system with all versions of gcc that I've used) -
schedulers/rtl_mutex.c
line 169 changed to: struct sched_param{int sched_param;} p;
line 176 changed to: pthread_setschedparam(pthread_self(),SCHED_FIFO,&p);
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