Aw: Re: Aw: Re: [Xenomai-help] NMI watchdog: Loading of xeno_native leads...

["M. Koehrer" <mathias_koehrer@domain.hid>]

Hi Jan,

I think you are right.
The NMI watchdog (Realtime) kernel parameter in the kernel configuration was
accidentally disabled (perhaps because I tried in between with a non-APIC IRQ).
Now I have again the error situation of this morning:
Even with gcc-3.3 I am not able to load the xeno_native module when NMI watchdog
is enabled, the system directly reboots (without printing to the serial console)
The printout I have sent before was the printout of the standard linux NMI but
not of the Xenomai NMI.

I.e., it seems _not_ to be the reason of the compiler that leads to the behaviour!

Regards

Mathias
> M. Koehrer wrote:
> > Hi Jan,
> > 
> > I tried to enable the kernel hacking parameters you proposed.
> > However, now I get a "NMI early shots: 0" message many times per second.
> > These seems to slow down everything dramatically, it is hard to work with
> the
> > system. What are the early shots messages and how can I avoid them?
> 
> My feeling is that the issue you saw with gcc-4.1.2 is still unsolved,
> just the recompilation made some stuff move around. Now, with additional
> features activated, the issue seems to pop up again in a different way.
> 
> So again my suggestion: forget about the NMI for a while, check if we
> can make progress with other debugging switches.
> 
> Further question to tighten the test case: do the basic Xenomai
> testsuite programs run without noticeable problems on your box?
> 
> Jan
> 
> 

-- 
Mathias Koehrer
mathias_koehrer@domain.hid


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