On Tue, 8 Nov 2005, Philippe Gerum wrote:

> Jan Kiszka wrote:
> > Hi Philippe,
> >
> > I think this one is for you: ;)
> >
> > Sebastian got almost mad with his CAN driver while tracing a strange
> > scheduling behaviour during shadow thread deletion for several days(!) -
> > and I was right on the way to follow him yesterday evening. Attached is
> > a simplified demonstration of the effect, consisting of a RTDM driver
> > and both a kernel and user space application to trigger it.
> >
>
> I've spotted the issue in nucleus/shadow.c. Basically, the root thread 
> priority
> boost was leaking to a non-shadow thread due to a missing priority reset in 
> the
> lostage APC handler, whilst a shadow was in the process of relaxing. Really
> funky bug, thanks! :o> Fixed in the repo hopefully for good. The scheduling
> sequence is now correct with your demo app on my box.

Thank you, problem has disappeared here, too! :-)


Sebastian

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