Jan Kiszka wrote:
Theo Veenker wrote:
Jan Kiszka wrote:
Theo Veenker wrote:
Hi all,
I'm installing xenomai 2.2.5 (kernel 2.6.17.14) on a number of
When starting new, pick something new, i.e. 2.3 right now. Only if
you
have good reasons, staying at older versions is recommended.
I would love to, but I couldn't get my software running with 2.3.
I had to convert (a month ago) my software from RTLinux to Xenomai
having only a few days for it. I have a kernel module and an app
that talks to it. I use the posix skin. But with 2.3 apparently
I had to load posixio and something (forgot) manually, but I just
couldn't get these loaded. Since time was running out I decided
to stay with 2.2.5 for the time being (unfortunately).
I do understand. But once your time constraints relaxed a bit, please
don't forget to post remaining issues here. Maybe they reveal some real
bug.
systems (MSI 945P, Intel P4 3Ghz). My kernel runs fine on several
other/older systems, but on the new systems there is something going
on every 8 seconds. See output of latency test below. What could
this be? Is this an SMI effect?
Is CONFIG_XENO_HW_SMI_WORKAROUND selected? What does the kernel output
tell you about if it's working? Do you have an ICH7 chipset on your
board? Would be another reason to update Xenomai (2.3 takes care of
it, 2.2.x doesn't)... :)
OK. I finally installed my clients. It took a while because although all
systems are identical they didn't all behave the same. Apparently some
MSI 945P boards have problems when installing an ubuntu 686 kernel image.
Taking a 386 image as a starting point worked.
Recompiled my kernel 2.6.17.14 with xenomai 2.2.5 and SMI WORKAROUND
selected, but it didn't have any effect. I don't see any xenomai
output in the kernel logs. Same thing without the workaround. So it
doesn't even detect SMI. The mobo has a ICH7 chipset. I understand
from your message I would have to upgrade to xenomai 2.3 to have
support for this. Does this mean that with 2.3 my SMI problems will
magically go away, or does it mean I can use the SMI workaround then?
BTW, can turning off SMI (completely or partly) cause any damage to
the system? I mean can it effect cpu cooling or voltages?
If this all doesn't help, have a look at this tool:
http://www.xenomai.org/index.php/I-pipe:Tracer
In any case, please give a feedback on the outcome.
Thanks. I will.
Theo
Jan
I will now try with 2.3 again to find out what is was that troubled me
a while ago.
Theo
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