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SubjectRe: io-apic not working on i850mv(p4)
From
We have discussed the problem with Janos Farkas:

He said that CONFIG_X86_UP_IOAPIC=y means that if
IO-APIC _is_ present on the motherboard then it will be used.

But i pointed out that acording to intel's
i850MV board specification update:
ftp://download.intel.com/design/motherbd/mv/A7258705.pdf (8-9 page)
this motherboard supports 16 irq in PIC mode and 24 in APIC mode.

So it seems to me that the problem is with kernel-bios communication.
Maybe the kernel needs the bios to supply the SMP layout?
Or ther is need to relocate the DMI scan to early boot stage?

I supply my DMI decode output:

SMBIOS 2.3 present.
DMI 2.3 present.
64 structures occupying 2207 bytes.
DMI table at 0x000F0FD0.
Handle 0x0000
DMI type 0, 20 bytes.
BIOS Information Block
Vendor: Intel Corp.
Version: MV85010A.86A.0011.P05.0111141737
Release: 11/14/2001
BIOS base: 0xF0000
ROM size: 448K
Capabilities:
Flags: 0x000000017FF9DE80
Handle 0x0001
DMI type 1, 25 bytes.
System Information Block
Vendor:
Product:
Version:
Serial Number:
Handle 0x0002
DMI type 2, 8 bytes.
Board Information Block
Vendor: Intel Corporation
Product: D850MV
Version: AAA56423-301
Serial Number: IUMV20609870
Handle 0x0003
DMI type 3, 17 bytes.
Chassis Information Block
Vendor:
Chassis Type: Unknown
Version:
Serial Number:
Asset Tag:
Handle 0x0004
DMI type 4, 32 bytes.
Processor
Socket Designation: J4K2
Processor Type: Central Processor
Processor Family:
Processor Manufacturer: Intel Corporation
Processor Version: Pentium(R) 4
Handle 0x0005
DMI type 7, 19 bytes.
Cache
Socket: None
L1 Internal Cache: write-back
L1 Cache Size: 8K
L1 Cache Maximum: 8K
L1 Cache Type: Pipeline burst Synchronous
Handle 0x0006
DMI type 7, 19 bytes.
Cache
Socket: None
L2 Internal Cache: write-back
L2 Cache Size: 256K
L2 Cache Maximum: 256K
L2 Cache Type: Synchronous
Handle 0x0007
DMI type 5, 24 bytes.
Memory Controller
Handle 0x0008
DMI type 6, 12 bytes.
Memory Bank
Socket: J7J1
Banks: 0 0
Type: OTHER ECC
Installed Size: 256Mbyte
Enabled Size: 256Mbyte
Handle 0x0009
DMI type 6, 12 bytes.
Memory Bank
Socket: J7J2
Banks: 0 0
Type: OTHER ECC
Installed Size: 256Mbyte
Enabled Size: 256Mbyte
Handle 0x000A
DMI type 6, 12 bytes.
Memory Bank
Socket: J8J1
Banks: 0
Type: OTHER
Installed Size: Not Installed
Enabled Size: Not Installed
Handle 0x000B
DMI type 6, 12 bytes.
Memory Bank
Socket: J8J2
Banks: 0
Type: OTHER
Installed Size: Not Installed
Enabled Size: Not Installed
Handle 0x000C
DMI type 9, 13 bytes.
Card Slot
Slot: J4E1
Type: 32bit PCI
Status: Available.
Slot Features: 3.3v
Handle 0x000D
DMI type 9, 13 bytes.
Card Slot
Slot: J4D1
Type: 32bit PCI
Status: In use.
Slot Features: 3.3v
Handle 0x000E
DMI type 9, 13 bytes.
Card Slot
Slot: J4C1
Type: 32bit PCI
Status: Available.
Slot Features: 3.3v
Handle 0x000F
DMI type 9, 13 bytes.
Card Slot
Slot: J4C1
Type: 32bit PCI
Status: Available.
Slot Features: 3.3v
Handle 0x0010
DMI type 9, 13 bytes.
Card Slot
Slot: J4C1
Type: 32bit PCI
Status: In use.
Slot Features: 3.3v
Handle 0x0011
DMI type 9, 13 bytes.
Card Slot
Slot: J4C1
Type: 32bit PCI
Status: Available.
Slot Features: 3.3v
Handle 0x0012
DMI type 9, 13 bytes.
Card Slot
Slot: J5E1
Type: 32bit PC98/C20
Status: In use.
Slot Features: 5v
Handle 0x0013
DMI type 10, 6 bytes.
On Board Devices Information
Description: Intel ICH2 Audio Device : Enabled
Type:
Handle 0x0014
DMI type 10, 6 bytes.
On Board Devices Information
Description: Intel 82559 Ethernet Device : Enabled
Type:
Handle 0x0015
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1L1
Internal Connector Type: None
External Designator: USB1
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0016
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1L1
Internal Connector Type: None
External Designator: USB2
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0017
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1K1
Internal Connector Type: None
External Designator: COM A
External Connector Type: DB-9 pin female
Port Type: Serial Port 16650A Compatible
Handle 0x0018
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1J2
Internal Connector Type: None
External Designator: LPT1
External Connector Type: DB-25 pin male
Port Type: Parallel Port ECP/EPP
Handle 0x0019
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1M1
Internal Connector Type: None
External Designator: Keyboard
External Connector Type: PS/2
Port Type: Keyboard Port
Handle 0x001A
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1M1
Internal Connector Type: None
External Designator: PS2Mouse
External Connector Type: PS/2
Port Type: Mouse Port
Handle 0x001B
DMI type 8, 9 bytes.
Port Connector
Internal Designator: JA1H1
Internal Connector Type: None
External Designator: LAN
External Connector Type: RJ-45
Port Type: Network Port
Handle 0x001C
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1F3 - VIDEO INTERFACE PORT
Internal Connector Type: Other
External Designator: None
External Connector Type: None
Port Type: Video Port
Handle 0x001D
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1G1
Internal Connector Type: None
External Designator: Audio Mic In
External Connector Type: Mini-jack (headphones)
Port Type: Audio Port
Handle 0x001E
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1G1
Internal Connector Type: None
External Designator: Audio Line In
External Connector Type: Mini-jack (headphones)
Port Type: Audio Port
Handle 0x001F
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J1G1
Internal Connector Type: None
External Designator: Audio Line Out
External Connector Type: Mini-jack (headphones)
Port Type: Audio Port
Handle 0x0020
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J10C1
Internal Connector Type: Other
External Designator: USB Front Panel
External Connector Type: None
Port Type: Other
Handle 0x0021
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J10G1 - Floppy
Internal Connector Type: On Board Floppy
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x0022
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J9G2 - PRI IDE
Internal Connector Type: On Board IDE
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x0023
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J9G1 - SEC IDE
Internal Connector Type: On Board IDE
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x0024
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J2D1 - CDIN
Internal Connector Type: On Board Sound Input from CD-ROM
External Designator:
External Connector Type: None
Port Type: Audio Port
Handle 0x0025
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J2C2 - Telephony IN
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Audio Port
Handle 0x0026
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J2C1 - AUX IN
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Audio Port
Handle 0x0027
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J8C1 - Wake On Ring
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x0028
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J7C1 - Wake On LAN
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x0029
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J7A2 - SCSI LED
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x002A
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J9D2 - Control Panel
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x002B
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J7M2 - Power Supply Fan
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x002C
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J6M1 - CPU Fan
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x002D
DMI type 8, 9 bytes.
Port Connector
Internal Designator: J8C2 - Configuration Jumper
Internal Connector Type: Other
External Designator:
External Connector Type: None
Port Type: Other
Handle 0x002E
DMI type 12, 5 bytes.
Configuration Information
J8C2 Jumper Pins 1-2 Normal Mode
J8C2 Jumper Pins 2-3 Configuration Mode
J8C2 No Jumper Recovery Mode
Handle 0x002F
DMI type 13, 22 bytes.
BIOS Language Information
Handle 0x0030
DMI type 15, 33 bytes.
Event Log
Log Area: 4096 bytes.
Log Header At: 0.
Log Data At: 16.
Log Type: 3.
Log Valid: Yes.
Handle 0x0031
DMI type 31, 28 bytes.
2e 00 00 00 13 71 00 f0 04 df 0f 00 00 00 00 00 .....q..........
00 00 00 00 00 00 00 00 ........
Handle 0x0032
DMI type 18, 23 bytes.
32-bit Memory Error Information
Handle 0x0033
DMI type 16, 15 bytes.
Physical Memory Array
Handle 0x0034
DMI type 19, 15 bytes.
Memory Array Mapped Address
Handle 0x0035
DMI type 17, 23 bytes.
Memory Device
Handle 0x0036
DMI type 20, 19 bytes.
Memory Device Mapped Address
Handle 0x0037
DMI type 17, 23 bytes.
Memory Device
Handle 0x0038
DMI type 20, 19 bytes.
Memory Device Mapped Address
Handle 0x0039
DMI type 17, 23 bytes.
Memory Device
Handle 0x003A
DMI type 126, 19 bytes.
Inactive
Handle 0x003B
DMI type 17, 23 bytes.
Memory Device
Handle 0x003C
DMI type 126, 19 bytes.
Inactive
Handle 0x003D
DMI type 32, 20 bytes.
System Boot Information
Handle 0x003E
DMI type 130, 12 bytes.
01 01 02 01 00 01 08 01 ........
Handle 0x003F
DMI type 127, 4 bytes.
End-of-Table

Regards, Banai
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