Re: kern/40362 (KASSERT in pmap_enter)

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

On Sat, Aug 29, 2009 at 10:46:40PM +0100, Mindaugas Rasiukevicius wrote:
> David Holland <dholland-bugs%netbsd.org@localhost> wrote:
> > On Sat, Aug 29, 2009 at 05:33:02PM +0000, rmind%NetBSD.org@localhost wrote:
> >  > Synopsis: KASSERT in pmap_enter
> > 
> >  >>> panic: kernel diagnostic assertion "(opte & (PG_V | PG_W)) != PG_W"
> >  >>> failed: file "/chroots/netbsd-5/src/sys/arch/x86/x86/pmap.c", line 636
> > 
> > Didn't someone else report this recently?
> > 
> 
> Indeed, I forgot this:
> 
> http://mail-index.netbsd.org/port-i386/2009/08/17/msg001429.html

And port-i386/41934

> 
> Manuel, is that an Opteron with known CPU errata?

No it's a 3.0Ghz Xeon, single-CPU. It also has known errata,
intel document 302402-023,
title "64-bit Intel Xeon Processor with 800 MHz System Bus (1 MB and 2 MB
L2 Cache Versions) Specification Update August 2008"

But I have the latest BIOS and afaik the errata which could explain this
panic have a BIOS workaround.

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