[STRANGE] got "unexpected IO-APIC" message in log

[STRANGE] got "unexpected IO-APIC" message in log

[Benny Sjostrand]

got this message in log:

Mar 25 00:23:53 cactus kernel: testing the IO APIC.......................
Mar 25 00:23:53 cactus kernel:
Mar 25 00:23:53 cactus kernel:  WARNING: unexpected IO-APIC, please mail
Mar 25 00:23:53 cactus kernel:           to linux-smp@vger.kernel.org
Mar 25 00:23:53 cactus kernel: .................................... done.

What could it be ??

So as it says mail to linux-smp@vger.kernel.org, that's what I'm doing,

running linux-2.4.20, on a Dual Pentium III, HW is  something like a ~ 
MSI-PRO266 with Promise IDE-RAID (dont remember exactly....)

Full log:
Mar 25 00:23:53 cactus kernel: CPU0: Intel Pentium III (Coppermine) 
stepping 06
Mar 25 00:23:53 cactus kernel: per-CPU timeslice cutoff: 730.95 usecs.
Mar 25 00:23:53 cactus kernel: enabled ExtINT on CPU#0
Mar 25 00:23:53 cactus kernel: ESR value before enabling vector: 00000000
Mar 25 00:23:53 cactus kernel: ESR value after enabling vector: 00000000
Mar 25 00:23:53 cactus kernel: Booting processor 1/1 eip 2000
Mar 25 00:23:53 cactus kernel: Initializing CPU#1
Mar 25 00:23:53 cactus kernel: masked ExtINT on CPU#1
Mar 25 00:23:53 cactus kernel: ESR value before enabling vector: 00000000
Mar 25 00:23:53 cactus kernel: ESR value after enabling vector: 00000000
Mar 25 00:23:53 cactus kernel: Calibrating delay loop... 1992.29 BogoMIPS
Mar 25 00:23:53 cactus kernel: CPU: L1 I cache: 16K, L1 D cache: 16K
Mar 25 00:23:53 cactus kernel: CPU: L2 cache: 256K
Mar 25 00:23:53 cactus kernel: Intel machine check reporting enabled on 
CPU#1.
Mar 25 00:23:53 cactus kernel: CPU1: Intel Pentium III (Coppermine) 
stepping 06
Mar 25 00:23:53 cactus kernel: Total of 2 processors activated (3978.03 
BogoMIPS).
Mar 25 00:23:53 cactus kernel: ENABLING IO-APIC IRQs
Mar 25 00:23:53 cactus kernel: Setting 2 in the phys_id_present_map
Mar 25 00:23:53 cactus kernel: ...changing IO-APIC physical APIC ID to 2 
... ok.
Mar 25 00:23:53 cactus kernel: ..TIMER: vector=0x31 pin1=2 pin2=0
Mar 25 00:23:53 cactus kernel: testing the IO APIC.......................
Mar 25 00:23:53 cactus kernel:
Mar 25 00:23:53 cactus kernel:  WARNING: unexpected IO-APIC, please mail
Mar 25 00:23:53 cactus kernel:           to linux-smp@vger.kernel.org
Mar 25 00:23:53 cactus kernel: .................................... done.
Mar 25 00:23:53 cactus kernel: Using local APIC timer interrupts.
Mar 25 00:23:53 cactus kernel: calibrating APIC timer ...
Mar 25 00:23:53 cactus kernel: ..... CPU clock speed is 997.2124 MHz.
Mar 25 00:23:53 cactus kernel: ..... host bus clock speed is 132.9612 MHz.
Mar 25 00:23:53 cactus kernel: cpu: 0, clocks: 1329612, slice: 443204
Mar 25 00:23:53 cactus kernel: 
CPU0<T0:1329600,T1:886384,D:12,S:443204,C:1329612>
Mar 25 00:23:53 cactus kernel: cpu: 1, clocks: 1329612, slice: 443204
Mar 25 00:23:53 cactus kernel: 
CPU1<T0:1329600,T1:443184,D:8,S:443204,C:1329612>
Mar 25 00:23:53 cactus kernel: checking TSC synchronization across CPUs: 
passed.
Mar 25 00:23:53 cactus kernel: Waiting on wait_init_idle (map = 0x2)
Mar 25 00:23:53 cactus kernel: All processors have done init_idle
Mar 25 00:23:53 cactus kernel: mtrr: your CPUs had inconsistent variable 
MTRR settings
Mar 25 00:23:53 cactus kernel: mtrr: probably your BIOS does not setup 
all CPUs
Mar 25 00:23:53 cactus kernel: PCI: PCI BIOS revision 2.10 entry at 
0xfb170, last bus=1
Mar 25 00:23:53 cactus kernel: PCI: Using configuration type 1
Mar 25 00:23:53 cactus kernel: PCI: Probing PCI hardware
Mar 25 00:23:53 cactus kernel: PCI: Using IRQ router default [1106/3101] 
at 00:00.0
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I8,P0) -> 11
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I9,P0) -> 10
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I11,P0) -> 5
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I12,P0) -> 11
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I15,P0) -> 5
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I17,P0) -> 11
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B0,I17,P3) -> 5
Mar 25 00:23:53 cactus last message repeated 2 times
Mar 25 00:23:53 cactus kernel: PCI->APIC IRQ transform: (B1,I0,P0) -> 11
Mar 25 00:23:53 cactus kernel: isapnp: Scanning for PnP cards...
Mar 25 00:23:53 cactus kernel: isapnp: No Plug & Play device found

/Benny