An unexpected IO-APIC was found

ACPI: Subsystem revision 20040326
PCI: PCI BIOS revision 2.10 entry at 0xfb620, last bus=1
PCI: Using configuration type 1
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: System [ACPI] (supports S0 S1 S4 S5)
ACPI: PCI Root Bridge [PCI0] (00:00)
PCI: Probing PCI hardware (bus 00)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 *6 7 9 10 11 12 14 15)
PCI: Probing PCI hardware
00:00:09[A] -> 2-17 -> IRQ 17 level low
00:00:09[B] -> 2-18 -> IRQ 18 level low
00:00:09[C] -> 2-19 -> IRQ 19 level low
00:00:09[D] -> 2-16 -> IRQ 16 level low
00:00:03[A] -> 2-20 -> IRQ 20 level low
00:00:03[B] -> 2-21 -> IRQ 21 level low
00:00:03[C] -> 2-22 -> IRQ 22 level low
00:00:03[D] -> 2-23 -> IRQ 23 level low
number of MP IRQ sources: 15.
number of IO-APIC #2 registers: 24.
testing the IO APIC.......................

IO APIC #2......
..... register #00: 02000000
........    : physical APIC id: 02
........    : Delivery Type: 0
........    : LTS          : 0
..... register #01: 00178014
........     : max redirection entries: 0017
........     : PRQ implemented: 1
........     : IO APIC version: 0014
An unexpected IO-APIC was found. If this kernel release is less than
three months old please report this to [email protected]
..... register #02: 02000000
........     : arbitration: 02
..... IRQ redirection table:
 NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:   
 00 000 00  1    0    0   0   0    0    0    00
 01 001 01  0    0    0   0   0    1    1    39
 02 001 01  0    0    0   0   0    1    1    31
 03 001 01  0    0    0   0   0    1    1    41
 04 001 01  0    0    0   0   0    1    1    49
 05 001 01  0    0    0   0   0    1    1    51
 06 001 01  0    0    0   0   0    1    1    59
 07 001 01  0    0    0   0   0    1    1    61
 08 001 01  0    0    0   0   0    1    1    69
 09 001 01  0    1    0   1   0    1    1    71
 0a 001 01  0    0    0   0   0    1    1    79
 0b 001 01  0    0    0   0   0    1    1    81
 0c 001 01  0    0    0   0   0    1    1    89
 0d 001 01  0    0    0   0   0    1    1    91
 0e 001 01  0    0    0   0   0    1    1    99
 0f 001 01  0    0    0   0   0    1    1    A1
 10 001 01  1    1    0   1   0    1    1    C1
 11 001 01  1    1    0   1   0    1    1    A9
 12 001 01  1    1    0   1   0    1    1    B1
 13 001 01  1    1    0   1   0    1    1    B9
 14 001 01  1    1    0   1   0    1    1    C9
 15 001 01  1    1    0   1   0    1    1    D1
 16 001 01  1    1    0   1   0    1    1    D9
 17 001 01  1    1    0   1   0    1    1    E1
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ5 -> 0:5
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ9 -> 0:9
IRQ10 -> 0:10
IRQ11 -> 0:11
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ17 -> 0:17
IRQ18 -> 0:18
IRQ19 -> 0:19
IRQ20 -> 0:20
IRQ21 -> 0:21
IRQ22 -> 0:22
IRQ23 -> 0:23
..................................... done.
PCI: Using ACPI for IRQ routing
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Journalled Block Device driver loaded
ACPI: Power Button (FF) [PWRF]
ACPI: Processor [CPU0] (supports C1)
ACPI: Processor [CPU1] (supports C1)
parport0: PC-style at 0x378 (0x778) [PCSPP(,...)]
parport0: irq 7 detected
sisfb: Video ROM found and mapped to 0xc00c0000
sisfb: Framebuffer at 0xe0000000, mapped to 0xce807000, size 32768k
sisfb: MMIO at 0xed000000, mapped to 0xd0808000, size 128k
sisfb: Memory heap starting at 32160K, size 32K
sisfb: CRT1 DDC probing failed
sisfb: Mode is 1024x768x32 (60Hz)
sisfb: Initial vbflags 0x0
Console: switching to colour frame buffer device 128x48
sisfb: 2D acceleration is enabled, scroll-mode ypan (auto-max)
fb0: SiS 661 frame buffer device, Version 1.7.10
sisfb: (C) 2001-2004 Thomas Winischhofer.
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ
SERIAL_PCI enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
PCI parallel port detected: 9710:9845, I/O at 0xbc00(0x0)
parport1: PC-style at 0xbc00 [PCSPP(,...)]
ttyS04 at port 0xac00 (irq = 17) is a 16550A
ttyS05 at port 0xb000 (irq = 17) is a 16550A
ttyS06 at port 0xb400 (irq = 17) is a 16550A
ttyS07 at port 0xb800 (irq = 17) is a 16550A
Software Watchdog Timer: 0.05, timer margin: 60 sec
sis900.c: v1.08.07 11/02/2003
eth0: ICS LAN PHY transceiver found at address 1.
eth0: Using transceiver found at address 1 as default
eth0: SiS 900 PCI Fast Ethernet at 0xa800, IRQ 19, 00:0f:ea:cb:bf:22.
Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with
idebus=xx
hda: ST380011A, ATA DISK drive
hdc: ST380011A, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: attached ide-disk driver.
hda: host protected area => 1
hda: setmax_ext LBA 156301488, native  156299375
hda: 156299375 sectors (80025 MB) w/2048KiB Cache, CHS=9729/255/63
hdc: attached ide-disk driver.
hdc: host protected area => 1
hdc: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=9729/255/63
Partition check:
 hda: hda1 hda2
 hdc: hdc1
SCSI subsystem driver Revision: 1.00
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
ehci_hcd 00:03.3: Silicon Integrated Systems [SiS] USB 2.0 Controller
ehci_hcd 00:03.3: irq 23, pci mem d0829000
usb.c: new USB bus registered, assigned bus number 1
PCI: cache line size of 128 is not supported by device 00:03.3
ehci_hcd 00:03.3: USB 2.0 enabled, EHCI 1.00, driver 2003-Dec-29/2.4
hub.c: USB hub found
hub.c: 8 ports detected
host/usb-ohci.c: USB OHCI at membase 0xd082b000, IRQ 20
host/usb-ohci.c: usb-00:03.0, Silicon Integrated Systems [SiS] USB 1.0
Controller
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 3 ports detected
host/usb-ohci.c: USB OHCI at membase 0xd082d000, IRQ 21
host/usb-ohci.c: usb-00:03.1, Silicon Integrated Systems [SiS] USB 1.0
Controller (#2)
usb.c: new USB bus registered, assigned bus number 3
hub.c: USB hub found
hub.c: 3 ports detected
host/usb-ohci.c: USB OHCI at membase 0xd082f000, IRQ 22
host/usb-ohci.c: usb-00:03.2, Silicon Integrated Systems [SiS] USB 1.0
Controller (#3)
usb.c: new USB bus registered, assigned bus number 4
hub.c: USB hub found
hub.c: 2 ports detected
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
USB Mass Storage support registered.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP: Hash tables configured (established 16384 bind 32768)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 120k freed
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide1(22,1), internal journal
intel8x0_measure_ac97_clock: measured 41973 usecs
intel8x0: clocking to 48000
eth0: Media Link On 100mbps full-duplex