Re: CVS commit: src/sys/kern

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Mar 06, 2018 at 03:43:24PM +0100, Joerg Sonnenberger wrote:
> > > This change is responsible for an instant trap of init(8) on evbppc, at
> > > least for the TWR1025.
> > 
> > Do you have more details ?
> > I guess it's because we now call pcu_state_release() with a possibly-NULL
> > l->l_pcu_cpu[id]. 
> > I had a quick look at the powerpc fpu code and couldn't find where this could
> > happen.
> 
> Well, this is on a e500, so there is no FPU.

In this case pcu_valid should be 0, unless pcu is used for something else
than FPU.
What is happening exactly ? Is it a kernel panic ? do you have a stack
trace ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--