WARNING: unexpected IO-APIC

# dmesg 

Linux version 2.4.20 ([email protected]) (gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-110)) #9 SMP Fre Jun 4 07:09:17 UTC 2004
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000000fff0000 (usable)
 BIOS-e820: 000000000fff0000 - 000000000fff8000 (ACPI data)
 BIOS-e820: 000000000fff8000 - 0000000010000000 (ACPI NVS)
 BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
255MB LOWMEM available.
found SMP MP-table at 000fb930
hm, page 000fb000 reserved twice.
hm, page 000fc000 reserved twice.
hm, page 000f6000 reserved twice.
hm, page 000f7000 reserved twice.
On node 0 totalpages: 65520
zone(0): 4096 pages.
zone(1): 61424 pages.
zone(2): 0 pages.
Intel MultiProcessor Specification v1.4
    Virtual Wire compatibility mode.
OEM ID: VIA      Product ID: VT5440B      APIC at: 0xFEE00000
Processor #0 Pentium(tm) Pro APIC version 17
I/O APIC #2 Version 3 at 0xFEC00000.
Processors: 1
Kernel command line: ro root=/dev/hda6 =/ acpi=off
Initializing CPU#0
Detected 2000.119 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 3984.58 BogoMIPS
Memory: 255880k/262080k available (1743k kernel code, 5812k reserved, 664k data, 128k init, 0k highmem)
Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
Inode cache hash table entries: 16384 (order: 5, 131072 bytes)
Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes)
Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU:     After generic, caps: 0383fbff c1c3fbff 00000000 00000000
CPU:             Common caps: 0383fbff c1c3fbff 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: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
Intel machine check reporting enabled on CPU#0.
CPU:     After generic, caps: 0383fbff c1c3fbff 00000000 00000000
CPU:             Common caps: 0383fbff c1c3fbff 00000000 00000000
CPU0: AMD Athlon(tm) XP 2400+ stepping 01
per-CPU timeslice cutoff: 731.38 usecs.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000080
ESR value after enabling vector: 00000000
Error: only one processor found.
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, 2-17, 2-18, 2-19, 2-20 not connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 20.
number of IO-APIC #2 registers: 24.
testing the IO APIC.......................

IO APIC #2......
.... register #00: 02000000
.......    : physical APIC id: 02
.... register #01: 00178003
.......     : max redirection entries: 0017
.......     : PRQ implemented: 1
.......     : IO APIC version: 0003
 WARNING: unexpected IO-APIC, please mail
          to [email protected]
.... 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
 05 000 00  1    0    0   0   0    0    0    00
 06 001 01  0    0    0   0   0    1    1    51
 07 001 01  0    0    0   0   0    1    1    59
 08 001 01  0    0    0   0   0    1    1    61
 09 001 01  0    0    0   0   0    1    1    69
 0a 000 00  1    0    0   0   0    0    0    00
 0b 000 00  1    0    0   0   0    0    0    00
 0c 001 01  0    0    0   0   0    1    1    71
 0d 001 01  0    0    0   0   0    1    1    79
 0e 001 01  0    0    0   0   0    1    1    81
 0f 001 01  0    0    0   0   0    1    1    89
 10 001 01  1    1    0   1   0    1    1    91
 11 000 00  1    0    0   0   0    0    0    00
 12 000 00  1    0    0   0   0    0    0    00
 13 000 00  1    0    0   0   0    0    0    00
 14 000 00  1    0    0   0   0    0    0    00
 15 001 01  1    1    0   1   0    1    1    99
 16 001 01  1    1    0   1   0    1    1    A1
 17 001 01  1    1    0   1   0    1    1    A9
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ9 -> 0:9
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ21 -> 0:21
IRQ22 -> 0:22
IRQ23 -> 0:23
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 2000.2097 MHz.
..... host bus clock speed is 266.6945 MHz.
cpu: 0, clocks: 2666945, slice: 1333472
CPU0<T0:2666944,T1:1333472,D:0,S:1333472,C:2666945>
Waiting on wait_init_idle (map = 0x0)
All processors have done init_idle
PCI: PCI BIOS revision 2.10 entry at 0xfdaf1, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Using IRQ router default [1106/3177] at 00:11.0
PCI->APIC IRQ transform: (B0,I16,P0) -> 21
PCI->APIC IRQ transform: (B0,I16,P1) -> 21
PCI->APIC IRQ transform: (B0,I16,P2) -> 21
PCI->APIC IRQ transform: (B0,I16,P3) -> 21
PCI->APIC IRQ transform: (B0,I17,P0) -> 22
PCI->APIC IRQ transform: (B0,I17,P2) -> 22
PCI->APIC IRQ transform: (B0,I18,P0) -> 23
PCI->APIC IRQ transform: (B1,I0,P0) -> 16
PCI: Via IRQ fixup for 00:10.0, from 11 to 5
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Installing knfsd (copyright (C) 1996 [email protected]).
parport0: PC-style at 0x378 (0x778) [PCSPP(,...)]
parport0: irq 7 detected
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller on PCI bus 00 dev 89
VP_IDE: detected chipset, but driver not compiled in!
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:pio, hdd:DMA
hda: Maxtor 2F040J0, ATA DISK drive
hdd: ASUS CD-S400/A, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 80293248 sectors (41110 MB) w/2048KiB Cache, CHS=4998/255/63
hdd: ATAPI 40X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.12
Partition check:
 hda: hda1 hda2 < hda5 hda6 hda7 hda8 hda9 >
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
PPP generic driver version 2.4.2
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 203M
agpgart: Unsupported Via chipset (device id: 3189), you might want to try agp_try_unsupported=1.
agpgart: no supported devices found.
[drm] Initialized tdfx 1.0.0 20010216 on minor 0
[drm] Initialized radeon 1.1.1 20010405 on minor 1
[drm:drm_init] *ERROR* Cannot initialize the agpgart module.
SCSI subsystem driver Revision: 1.00
kmod: failed to exec /sbin/modprobe -s -k scsi_hostadapter, errno = 2
es1371: version v0.30 time 07:10:43 Jun  4 2004
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
uhci.c: USB Universal Host Controller Interface driver v1.1
uhci.c: USB UHCI at I/O 0xec00, IRQ 21
usb.c: new USB bus registered, assigned bus number 1
uhci.c: detected 2 ports
usb.c: kmalloc IF cff0e200, numif 1
usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1
usb.c: USB device number 1 default language ID 0x0
Product: USB UHCI-alt Root Hub
SerialNumber: ec00
hub.c: USB hub found
hub.c: 2 ports detected
hub.c: standalone hub
hub.c: ganged power switching
hub.c: global over-current protection
hub.c: Port indicators are not supported
hub.c: power on to power good time: 2ms
hub.c: hub controller current requirement: 0mA
hub.c: port removable status: RR
hub.c: local power source is good
hub.c: no over-current condition exists
hub.c: enabling power on all ports
usb.c: hub driver claimed interface cff0e200
usb.c: kusbd: /sbin/hotplug add 1
usb.c: kusbd policy returned 0xfffffffe
uhci.c: USB UHCI at I/O 0xe800, IRQ 21
usb.c: new USB bus registered, assigned bus number 2
uhci.c: detected 2 ports
usb.c: kmalloc IF cfee3ec0, numif 1
usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1
usb.c: USB device number 1 default language ID 0x0
Product: USB UHCI-alt Root Hub
SerialNumber: e800
hub.c: USB hub found
hub.c: 2 ports detected
hub.c: standalone hub
hub.c: ganged power switching
hub.c: global over-current protection
hub.c: Port indicators are not supported
hub.c: power on to power good time: 2ms
hub.c: hub controller current requirement: 0mA
hub.c: port removable status: RR
hub.c: local power source is good
hub.c: no over-current condition exists
hub.c: enabling power on all ports
usb.c: hub driver claimed interface cfee3ec0
usb.c: kusbd: /sbin/hotplug add 1
usb.c: kusbd policy returned 0xfffffffe
uhci.c: USB UHCI at I/O 0xe400, IRQ 21
usb.c: new USB bus registered, assigned bus number 3
uhci.c: detected 2 ports
usb.c: kmalloc IF cfee3cc0, numif 1
usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1
usb.c: USB device number 1 default language ID 0x0
Product: USB UHCI-alt Root Hub
SerialNumber: e400
hub.c: USB hub found
hub.c: 2 ports detected
hub.c: standalone hub
hub.c: ganged power switching
hub.c: global over-current protection
hub.c: Port indicators are not supported
hub.c: power on to power good time: 2ms
hub.c: hub controller current requirement: 0mA
hub.c: port removable status: RR
hub.c: local power source is good
hub.c: no over-current condition exists
hub.c: enabling power on all ports
usb.c: hub driver claimed interface cfee3cc0
usb.c: kusbd: /sbin/hotplug add 1
usb.c: kusbd policy returned 0xfffffffe
usb.c: registered new driver hiddev
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <[email protected]>
hid-core.c: USB HID support drivers
usb.c: registered new driver usbscanner
scanner.c: 0.4.6:USB Scanner Driver
usb.c: registered new driver usblp
printer.c: v0.11: USB Printer Device Class driver
usb.c: registered new driver dc2xx
dc2xx.c: v1.0.0:USB Camera Driver for Kodak DC-2xx series cameras
usb.c: registered new driver usblcd
usblcd.c: USBLCD Driver Version 1.03 (C) Adams IT Services http://www.usblcd.de
usblcd.c: USBLCD support registered.
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, IGMP
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP: Hash tables configured (established 16384 bind 16384)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
EXT2-fs warning (device ide0(3,6)): ext2_read_super: mounting ext3 filesystem as ext2

VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 128k freed
uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6
uhci.c: ec00: suspend_hc
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
hub.c: port 1 connection change
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
hub.c: port 2, portstatus 100, change 3, 12 Mb/s
hub.c: port 2 connection change
hub.c: port 2, portstatus 100, change 3, 12 Mb/s
uhci.c: root-hub INT complete: port1: 58a port2: 58a data: 6
uhci.c: e800: suspend_hc
hub.c: port 1, portstatus 300, change 3, 1.5 Mb/s
hub.c: port 1 connection change
hub.c: port 1, portstatus 300, change 3, 1.5 Mb/s
hub.c: port 2, portstatus 300, change 3, 1.5 Mb/s
hub.c: port 2 connection change
hub.c: port 2, portstatus 300, change 3, 1.5 Mb/s
uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6
uhci.c: e400: suspend_hc
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
hub.c: port 1 connection change
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
hub.c: port 2, portstatus 100, change 3, 12 Mb/s
hub.c: port 2 connection change
hub.c: port 2, portstatus 100, change 3, 12 Mb/s
uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6
hub.c: port 1, portstatus 100, change 2, 12 Mb/s
hub.c: port 1 enable change, status 100
hub.c: port 2, portstatus 100, change 2, 12 Mb/s
hub.c: port 2 enable change, status 100
uhci.c: root-hub INT complete: port1: 588 port2: 588 data: 6
hub.c: port 1, portstatus 300, change 2, 1.5 Mb/s
hub.c: port 1 enable change, status 300
hub.c: port 2, portstatus 300, change 2, 1.5 Mb/s
hub.c: port 2 enable change, status 300
uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6
hub.c: port 1, portstatus 100, change 2, 12 Mb/s
hub.c: port 1 enable change, status 100
hub.c: port 2, portstatus 100, change 2, 12 Mb/s
hub.c: port 2 enable change, status 100
Adding Swap: 522072k swap-space (priority -1)
EXT2-fs warning (device ide0(3,5)): ext2_read_super: mounting ext3 filesystem as ext2

EXT2-fs warning (device ide0(3,8)): ext2_read_super: mounting ext3 filesystem as ext2

hdd: DMA disabled

-----------------------------------------8<-------------------------------