"Unexpected IO-APIC was found" message

Hi -

I just updated one of my servers to 2.4.29 and I'm getting a message at
boot time saying:

An unexpected IO-APIC was found. If this kernel release is less than
three months old please report this to linux-smp@xxxxxxxxxxxxxxx

The full APIC message is:

[snip]
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, 2-12, 2-17, 2-18, 2-19, 2-22
not connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 17.
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 linux-smp@xxxxxxxxxxxxxxx
.... 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
 01 003 03  0    0    0   0   0    1    1    39
 02 003 03  0    0    0   0   0    1    1    31
 03 003 03  0    0    0   0   0    1    1    41
 04 003 03  0    0    0   0   0    1    1    49
 05 000 00  1    0    0   0   0    0    0    00
 06 003 03  0    0    0   0   0    1    1    51
 07 003 03  0    0    0   0   0    1    1    59
 08 003 03  0    0    0   0   0    1    1    61
 09 003 03  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 000 00  1    0    0   0   0    0    0    00
 0d 003 03  0    0    0   0   0    1    1    71
 0e 003 03  0    0    0   0   0    1    1    79
 0f 003 03  0    0    0   0   0    1    1    81
 10 003 03  1    1    0   1   0    1    1    89
 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
 14 003 03  1    1    0   1   0    1    1    91
 15 003 03  1    1    0   1   0    1    1    99
 16 000 00  1    0    0   0   0    0    0    00
 17 003 03  1    1    0   1   0    1    1    A1
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
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ20 -> 0:20
IRQ21 -> 0:21
IRQ23 -> 0:23
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 3014.5721 MHz.
..... host bus clock speed is 200.9712 MHz.
cpu: 0, clocks: 2009712, slice: 669904
CPU0<T0:2009712,T1:1339808,D:0,S:669904,C:2009712>
cpu: 1, clocks: 2009712, slice: 669904
CPU1<T0:2009712,T1:669904,D:0,S:669904,C:2009712>
checking TSC synchronization across CPUs: passed.
Waiting on wait_init_idle (map = 0x2)
All processors have done init_idle
[snip]

If any more information is needed, mail me (assuming this is a list I'm
not subscribed so you may need to CC me).

Thanks

Marcus

-- 
Marcus Williams -- http://www.cad-schroer.co.uk
CAD Schroer UK, 39 Newnham Road, Cambridge, UK
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