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Date:      Thu, 24 Feb 2000 11:11:39 +0100 (CET)
From:      "O. Hartmann" <ohartman@ipamzlx.physik.uni-mainz.de>
To:        freebsd-smp@freebsd.org
Subject:   MP Spec 1.1 vs 1.4
Message-ID:  <Pine.BSF.4.10.10002241058430.27218-100000@ipamzlx.physik.uni-mainz.de>

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I have some confusing outputs of mptable. While reading some questions
on Proliant systems from Compaq and others, I remember that my server
reports to be MP Spec 1.1 (in the table got by mptable named Floating Point
Structure ...). I think this is the MP Spec as discussed in manpages and in many 
postings. 

Our system is a custom made server, based on a dual board form GigaByte
(GA6-BXD). I can switch by BIOS MP SPEC from 1.1 to 1.4 and I switched it
to 1.4 without any affect getting another MP Spec report by mptable. What is
wrong? I saw some other postings of users of 440NX chips based SMP systems
and they got as mptable output Spec 1.4.

I tried to install FBSD 4.0 on an older SMP system from Siemens Nixdorf.
The machine is called PCE-5Smp, an EISA/ISA and PCI based Quad CPU system,
here equippted with only two CPUs. This server uses a Mylex DAC960PD (it works
fine with 4.0!!!) on PCI bus. Starting a single CPU kernel works, but
sometimes I get some error messages about VM_XXX errors while copying
a tar_ball file from a CDROM (attached to an aic0 controller, ISA Adaptec 1510).
I try to get rid of this problem by getting the newest cvsupdated stuff and 
recompile the system. But, courios is: Windows NT Enterprise Server works fine 
on this older SMP system without any patches and fiddling around. Calling the
NT own systutils for examine the system tells us having a SMP board with
MP Spec 1.4. 
When calling mptable on an identical machine (they are really identical!)
I get this output:

===============================================================================

MPTable, version 2.0.15

-------------------------------------------------------------------------------

MP Floating Pointer Structure:

  location:                     EBDA
  physical address:             0x0009f0a0
  signature:                    '_MP_'
  length:                       16 bytes
  version:                      1.1
  checksum:                     0x69
  mode:                         PIC

-------------------------------------------------------------------------------

MP Config Table Header:

  physical address:             0x0009fcb5
  signature:                    'ÿÿÿÿ'
  base table length:            65535
  version:                      1.255
  checksum:                     0xff
  OEM ID:                       'ÿÿÿÿÿÿÿÿ'
  Product ID:                   'ÿÿÿÿÿÿÿÿÿÿÿÿ'
  OEM table pointer:            0xffffffff
  OEM table size:               65535
  entry count:                  65535
  local APIC address:           0xffffffff
  extended table length:        65535
  extended table checksum:      255

-------------------------------------------------------------------------------

MP Config Base Table Entries:

--
Processors:     APIC ID Version State           Family  Model   Step    Flags
--
Bus:            Bus ID  Type
--
I/O APICs:      APIC ID Version State           Address
--
I/O Ints:       Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN#
--
Local Ints:     Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN#

-------------------------------------------------------------------------------

MP Config Extended Table Entries:

Extended Table HOSED!

That's it. Trying to start a SMP kerenl out of the blue fails, the system hangs.

Has anybody any suggestions to these problems?

Thanks in advance,



Gruss O. Hartmann
-------------------------------------------------------------------
ohartman@ipamzlx.physik.uni-mainz.de

Klimadatenserver des IPA, Universitaet Mainz
Netzwerk- und Systembetreuung



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