Re: kern/40362 (KASSERT in pmap_enter)

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

On Sun, Aug 30, 2009 at 12:18:08AM +0200, Manuel Bouyer wrote:
> > > 
> > >  >>> 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.

Also seen on a general-purpose server (no NFS on this one) with a:
cpu0: Intel (686-class), 3192.10 MHz, id 0xf33
cpu0: features 0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features 0xbfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
cpu0: features 0xbfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu0: features2 0x41d<SSE3,DTES64,MONITOR,DS-CPL,CID>
cpu0: "Intel(R) Pentium(R) 4 CPU 3.20GHz"
cpu0: I-cache 12K uOp cache 8-way, D-cache 16KB 64B/line 8-way
cpu0: L2 cache 1MB 64B/line 8-way
cpu0: ITLB 4K/4M: 64 entries
cpu0: DTLB 4K/4M: 64 entries
cpu0: Initial APIC ID 0
cpu0: Cluster/Package ID 0
cpu0: SMT ID 0
cpu0: family 0f model 03 extfamily 00 extmodel 00

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