Philippe Gerum wrote: > Jan Kiszka wrote: >> At this chance: any comments on the panic-freeze extension for the >> tracer? I need to rework the Xenomai patch, but the ipipe side should be >> ready for merge. >> > > No issue with the ipipe side since it only touches the tracer support > code. No issue either at first sight with the Xeno side, aside of the > trace being frozen twice in do_schedule_event? (once in this routine, > twice in xnpod_fatal); but maybe it's wanted to freeze the situation > before the stack is dumped; is it?
Yes, this is the reason for it. Actually, only the first freeze has any effect, later calls will be ignored. Hmm, I though to remember some issue of the Xenomai-side patch when tracing was disabled but I cannot reproduce this issue again (was likely related to other hacks while tracking down the PREEMPT issue). So from my POV that patch is ready for merge as well. Jan
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