Problems getting RTAI to not crash
Calin A. Culianu
calin at ajvar.org
Mon Jul 24 16:14:09 CEST 2006
On Sat, 22 Jul 2006, Paolo Mantegazza wrote:
> Calin A. Culianu writes:
>> Why is RTAI so difficult to get working right? I have been wrestling with
>> it for a few days now and it seems to produce kernel crash messages
>> whenever I run the testsuite and my machine is under load.
>> I have tried:
>> - 3.4-test1 on 2.6.17 UP
>> - 3.3 release on 2.6.15 UP
>> Both produce kernel messages about page faults, bad page, etc. Most of
>> these errors can be triggered by reading tons of data off the HD while
>> running the testsuite (kernel or user, bother create problems) or by
>> making the computer swap like mad.
>> I tried Local APIC and XT-Pic versions of my kernel and both seems to work
>> equally badly.
>> What gives? I would like very much to use RTAI but the ease with which it
>> crashes on my various machines makes me nervous. Do you guys test RTAI
>> extensively? Does anyone else have stability issues?
>> I am beginning to get quite exhasperated and any help is appreciated,
>> including tips and gotchas with respect to building the kernel and
>> configuring RTAI.
> How much RAM are you using?
Well I have 1GB RAM and using like 3GB total between physical and swap.
There is a kernel crash very soon after I fill up physical RAM and the
kernel starts swapping.
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