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To: Joe Marcus Clarke <marcus@marcuscom.com>
References: <200310120602.h9C626N1068466@gw.catspoiler.org>
	<1065940521.50866.29.camel@shumai.marcuscom.com>
From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Sun, 12 Oct 2003 13:58:11 +0200
In-Reply-To: <1065940521.50866.29.camel@shumai.marcuscom.com> (Joe Marcus
 Clarke's message of "Sun, 12 Oct 2003 02:35:21 -0400")
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cc: Don Lewis <truckman@freebsd.org>
cc: freebsd-current@freebsd.org
cc: sgk@troutmask.apl.washington.edu
Subject: Re: panic: pmap_zero_page: CMAP3 busy
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Joe Marcus Clarke <marcus@marcuscom.com> writes:
> See my previous email dated Sat, 11 Oct 2003 01:39:20 -0400 on the
> subject.  It looks like the problem may have to do with CPU type (PIII
> in my case).  My P4 laptop has the same -CURRENT, and does not
> experience the problem.  It may also be noteworthy that I have
> CPU_ENABLE_SSE on my PIII as well.

My new P4 consistently panics at boot (immediately before, or while,
starting init) with "pmap_zero_page: CMAP3 busy" with both SMP and UP
kernels built from fresh sources.  It boots fine with a three days old
SMP kernel.

CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2411.67-MHz 686-class CPU)
  Origin =3D "GenuineIntel"  Id =3D 0xf29  Stepping =3D 9
  Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Hyperthreading: 2 logical CPUs

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no