Date: Sun, 19 Oct 1997 07:28:11 -0700 (PDT) From: dan@math.berkeley.edu (Dan Strick) To: freebsd-smp@freebsd.org Cc: dan@math.berkeley.edu Subject: multiple I/O APICs Message-ID: <199710191428.HAA13450@math.berkeley.edu>
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The io_apic_setup() routine in mpapic.c doesn't like my motherboard.
It says "panic io_apic_setup: apic #1". The problem seems to be that
the motherboard has more than one I/O APIC and this is not supported.
Please forgive this possibly stupid question, but I am not yet familiar
with the Intel 1.4 MP spec. Can I configure the kernel to just ignore
the second I/O APIC that it doesn't know how to use? If I set NAPIC
to 1 in the config file, the kernel panics when it starts and tells
me that I must reconfigure it with NAPIC set to 2.
I am not certain about the motherboard's correct name or model number.
I thought the machine was an Intel "AP450GX MP Server System", but none
of the manuals or papers that came with it, including the rather bulky
installation manual, carry any model name or number.
The mptable program output follows.
Dan Strick
dan@math.berkeley.edu
===============================================================================
MPTable, version 2.0.15
-------------------------------------------------------------------------------
MP Floating Pointer Structure:
location: BIOS
physical address: 0x000f75a0
signature: '_MP_'
length: 16 bytes
version: 1.4
checksum: 0x6c
mode: Virtual Wire
-------------------------------------------------------------------------------
MP Config Table Header:
physical address: 0x000f75b0
signature: 'PCMP'
base table length: 508
version: 1.4
checksum: 0xe1
OEM ID: 'INTEL '
Product ID: 'ALDER '
OEM table pointer: 0x00000000
OEM table size: 0
entry count: 52
local APIC address: 0xfec08000
extended table length: 240
extended table checksum: 201
-------------------------------------------------------------------------------
MP Config Base Table Entries:
--
Processors: APIC ID Version State Family Model Step Flags
0 0x11 BSP, usable 6 1 9 0xfbff
4 0x11 AP, usable 6 1 9 0xfbff
1 0x11 AP, usable 6 1 9 0xfbff
2 0x11 AP, usable 6 1 9 0xfbff
--
Bus: Bus ID Type
0 PCI
1 PCI
18 EISA
--
I/O APICs: APIC ID Version State Address
14 0x11 usable 0xfec00000
13 0x11 usable 0xfec01000
--
I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
INT active-hi edge 18 1 14 1
INT active-hi edge 18 0 14 2
INT active-hi edge 18 3 14 3
INT active-hi edge 18 4 14 4
INT active-hi edge 18 5 14 5
INT active-hi edge 18 6 14 6
INT active-hi edge 18 7 14 7
INT active-hi edge 18 8 14 8
INT active-hi edge 18 9 14 9
INT active-hi level 18 10 14 10
INT active-hi level 18 11 14 11
INT active-hi edge 18 12 14 12
INT active-hi edge 18 13 14 13
INT active-hi edge 18 14 14 14
INT active-hi edge 18 15 14 15
INT active-hi level 0 11:A 13 0
INT active-hi level 0 12:A 13 1
INT active-hi level 0 13:A 13 2
INT active-hi level 1 10:A 13 3
INT active-hi level 1 13:A 13 4
INT active-hi level 0 11:B 13 5
INT active-hi level 0 12:C 13 5
INT active-hi level 0 13:D 13 5
INT active-hi level 1 10:B 13 5
INT active-hi level 1 13:C 13 5
INT active-hi level 1 14:D 13 5
INT active-hi level 0 11:C 13 6
INT active-hi level 0 12:D 13 6
INT active-hi level 0 13:B 13 6
INT active-hi level 1 14:B 13 6
INT active-hi level 1 10:C 13 6
INT active-hi level 1 13:D 13 6
INT active-hi level 0 12:B 13 7
INT active-hi level 0 13:C 13 7
INT active-hi level 0 11:D 13 7
INT active-hi level 1 13:B 13 7
INT active-hi level 1 14:C 13 7
INT active-hi level 1 10:D 13 7
INT active-hi level 1 11:A 13 12
INT active-hi level 1 12:A 13 13
INT active-hi level 1 14:A 13 15
--
Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT active-hi edge 18 0 255 0
NMI active-hi edge 0 0:A 255 1
-------------------------------------------------------------------------------
MP Config Extended Table Entries:
--
bus ID: 0 address type: memory address
address base: 0xa0000
address range: 0x20000
--
bus ID: 0 address type: prefetch address
address base: 0xfc500000
address range: 0x100000
--
bus ID: 0 address type: memory address
address base: 0xfc600000
address range: 0x2500000
--
bus ID: 0 address type: I/O address
address base: 0xf000
address range: 0x1000
--
bus ID: 1 address type: prefetch address
address base: 0xfc300000
address range: 0x100000
--
bus ID: 1 address type: memory address
address base: 0xfc400000
address range: 0x100000
--
bus ID: 1 address type: I/O address
address base: 0xe000
address range: 0x1000
--
bus ID: 0 address type: memory address
address base: 0x10000000
address range: 0xec300000
--
bus ID: 0 address type: memory address
address base: 0xfeb00000
address range: 0x1500000
--
bus ID: 0 address type: I/O address
address base: 0x0
address range: 0xe000
--
bus ID: 18 bus info: 0x01 parent bus ID: 0--
bus ID: 0 address modifier: add
predefined range: 0x00000000--
bus ID: 0 address modifier: add
predefined range: 0x00000001--
bus ID: 1 address modifier: subtract
predefined range: 0x00000000--
bus ID: 1 address modifier: subtract
predefined range: 0x00000001
-------------------------------------------------------------------------------
# SMP kernel config file options:
# Required:
options SMP # Symmetric MultiProcessor Kernel
options APIC_IO # Symmetric (APIC) I/O
# Optional (built-in defaults will work in most cases):
#options NCPU=4 # number of CPUs
#options NBUS=3 # number of busses
#options NAPIC=2 # number of IO APICs
#options NINTR=41 # number of INTs
===============================================================================
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