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
