Re: panic: pmap_zero_page: CMAP3 busy

From: Dag-Erling Smørgrav <des_at_des.no>
Date: Sun, 12 Oct 2003 13:58:11 +0200
Joe Marcus Clarke <marcus_at_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 = "GenuineIntel"  Id = 0xf29  Stepping = 9
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Hyperthreading: 2 logical CPUs

DES
-- 
Dag-Erling Smørgrav - des_at_des.no
Received on Sun Oct 12 2003 - 02:58:19 UTC

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