PREEMPTION still unusable with 6.0-RC1

[Kris Kennaway]

On Fri, Oct 21, 2005 at 09:17:29AM +0200, Stefan Ehmann wrote:
> I recently upgraded my 5.4-RELEASE machine to 6.0-RC1. Runs fine so far
> if I disable PREEMPTION.
> 
> With PREEMPTION enabled, I still get the same issues as described here:
> http://lists.freebsd.org/pipermail/freebsd-current/2004-September/037949.html
> 
> kernel config:
> http://stud4.tuwien.ac.at/~e0125637/fbsd/kernconf-6.0-RC1
> 
> /var/log/messages output:
> http://stud4.tuwien.ac.at/~e0125637/fbsd/messages-6.0-RC1
> 
> Any one else still experiencing these problems or has any idea what
> causes this?

Turn on WITNESS, INVARIANTS and see if they report anything.  Break to
DDB and use the various debugging commands (ps, the various show
commands, ...) to trace things.

> BTW, are 6.0 discussions supposed to go to stable@ once 6.0 is released?

Yes.

Kris
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