Re: SPL NOT ZERO ON SYSCALL ENTRY

[Andrew Doran <ad%NetBSD.org@localhost>]

On Thu, Mar 20, 2008 at 09:15:34PM +0100, Matthias Drochner wrote:

> ad%NetBSD.org@localhost said:
> > It's unlikely to be related for the reason given above, and because
> > the snapshot of activity you get from CPUs other than the CPU that
> > originally panic'ed is from some time after the panic happened.
> 
> Yes I know, but I was hoping that there is at least some correlation.
> 
> > Hmm, it would be
> > worthwhile to add another KASSERT() in softint_execute()
> 
> I've just tried with kern_softint.c rev. 1.13, but my
> breakpoint at "not lowered on syscall exit" did fire
> before.

I just made some changes to i386/lock_stubs.S that prevent the same errors
when running with a preemptive kernel. There is a good chance that it also
fixes this problem..

Thanks,
Andrew