An unexpected IO-APIC was found

Hello,
it is motherboard ASUS P4P800. BIOS version P4P81015.

Best regards
MArtin Novak


Linux version 2.4.20-30.9smp ([email protected]) (gcc version 
3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 SMP Wed Feb 4 20:36:46 EST 2004
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000001ff30000 (usable)
 BIOS-e820: 000000001ff30000 - 000000001ff40000 (ACPI data)
 BIOS-e820: 000000001ff40000 - 000000001fff0000 (ACPI NVS)
 BIOS-e820: 000000001fff0000 - 0000000020000000 (reserved)
 BIOS-e820: 00000000ffb80000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
511MB LOWMEM available.
found SMP MP-table at 000ff780
hm, page 000ff000 reserved twice.
hm, page 00100000 reserved twice.
hm, page 000f1000 reserved twice.
hm, page 000f2000 reserved twice.
On node 0 totalpages: 130864
zone(0): 4096 pages.
zone(1): 126768 pages.
zone(2): 0 pages.
ACPI: Searched entire block, no RSDP was found.
ACPI: RSDP located at physical address c00f9e30
RSD PTR  v0 [ACPIAM]
__va_range(0x1ff30000, 0x68): idx=10 mapped at ffff5000
ACPI table found: RSDT v1 [A M I  OEMRSDT  256.1064]
__va_range(0x1ff30200, 0x24): idx=10 mapped at ffff5000
__va_range(0x1ff30200, 0x81): idx=10 mapped at ffff5000
ACPI table found: FACP v2 [A M I  OEMFACP  256.1064]
__va_range(0x1ff30390, 0x24): idx=10 mapped at ffff5000
__va_range(0x1ff30390, 0x5c): idx=10 mapped at ffff5000
ACPI table found: APIC v1 [A M I  OEMAPIC  256.1064]
__va_range(0x1ff30390, 0x5c): idx=10 mapped at ffff5000
LAPIC (acpi_id[0x0001] id[0x0] enabled[1])
CPU 0 (0x0000) enabledProcessor #0 Pentium 4(tm) XEON(tm) APIC version 16

LAPIC (acpi_id[0x0002] id[0x1] enabled[1])
CPU 1 (0x0100) enabledProcessor #1 Pentium 4(tm) XEON(tm) APIC version 16

IOAPIC (id[0x2] address[0xfec00000] global_irq_base[0x0])
INT_SRC_OVR (bus[0] irq[0x0] global_irq[0x2] polarity[0x0] trigger[0x0])
INT_SRC_OVR (bus[0] irq[0x9] global_irq[0x9] polarity[0x1] trigger[0x3])
2 CPUs total
Local APIC address fee00000
__va_range(0x1ff40040, 0x24): idx=10 mapped at ffff5000
__va_range(0x1ff40040, 0x3f): idx=10 mapped at ffff5000
ACPI table found: OEMB v1 [A M I  OEMBIOS  256.1064]
Enabling the CPU's according to the ACPI table
Intel MultiProcessor Specification v1.4
    Virtual Wire compatibility mode.
OEM ID: ASUSTek  Product ID:  APIC at: 0xFEE00000
I/O APIC #2 Version 32 at 0xFEC00000.
Enabling APIC mode: Flat.       Using 1 I/O APICs
Processors: 2
Kernel command line: ro root=LABEL=/
Initializing CPU#0
Detected 3335.505 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 6658.45 BogoMIPS
Memory: 509928k/523456k available (1493k kernel code, 10964k reserved, 1099k 
data, 156k init, 0k highmem)
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode cache hash table entries: 32768 (order: 6, 262144 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 32768 (order: 5, 131072 bytes)
Page-cache hash table entries: 131072 (order: 7, 524288 bytes)
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU:     After generic, caps: bfebfbff 00000000 00000000 00000000
CPU:             Common caps: bfebfbff 00000000 00000000 00000000
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch ([email protected])
mtrr: detected mtrr type: Intel
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check reporting enabled on CPU#0.
CPU:     After generic, caps: bfebfbff 00000000 00000000 00000000
CPU:             Common caps: bfebfbff 00000000 00000000 00000000
CPU0: Intel(R) Pentium(R) 4 CPU 3.06GHz stepping 07
per-CPU timeslice cutoff: 1462.93 usecs.
task migration cache decay timeout: 10 msecs.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Booting processor 1/1 eip 2000
Initializing CPU#1
masked ExtINT on CPU#1
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Calibrating delay loop... 6658.45 BogoMIPS
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check reporting enabled on CPU#1.
CPU:     After generic, caps: bfebfbff 00000000 00000000 00000000
CPU:             Common caps: bfebfbff 00000000 00000000 00000000
CPU1: Intel(R) Pentium(R) 4 CPU 3.06GHz stepping 07
Total of 2 processors activated (13316.91 BogoMIPS).
cpu_sibling_map[0] = 1
cpu_sibling_map[1] = 0
ENABLING IO-APIC IRQs
Setting 2 in the phys_id_present_map
...changing IO-APIC physical APIC ID to 2 ... ok.
init IO_APIC IRQs
 IO-APIC (apicid-pin) 2-0, 2-5, 2-10, 2-11, 2-20 not connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 23.
number of IO-APIC #2 registers: 24.
testing the IO APIC.......................

IO APIC #2......
.... register #00: 02000000
.......    : physical APIC id: 02
.... register #01: 00178020
.......     : max redirection entries: 0017
.......     : PRQ implemented: 1
.......     : IO APIC version: 0020
.... register #02: 00178020
.......     : arbitration: 00
An unexpected IO-APIC was found. If this kernel release is less than
three months old please report this to [email protected]