RE : IO-APIC says: unexpected IO-APIC was found

["Paul Rolland" <rol@as2917.net>]

Got the same with an ASUS P4S8X...

Sent a mail to linux-smp@vger.kernel.org, as requested, but got
no news...

If you get some, please tell ;-)

Regards,
Paul

> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org 
> [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of 
> AnonimoVeneziano
> Sent: Monday, January 20, 2003 5:50 PM
> To: LKML
> Subject: IO-APIC says: unexpected IO-APIC was found
> 
> 
> Hi , I use on a system composed by a MSI KT4 Ultra 
> Motherboard (KT400 - 
> vt8235 Bios 1.3)  and an Athlon XP 2400+ the kernel 2.4.21-pre3-ac4 
>  with enabled UP-APIC and UP_IO_APIC.
> 
> When I start the system the log says:
> 
> > 00000000
> > CPU: AMD Athlon(tm) XP 2400+ stepping 01
> > Enabling fast FPU save and restore... done.
> > Enabling unmasked SIMD FPU exception support... done. 
> Checking 'hlt' 
> > instruction... OK. POSIX conformance testing by UNIFIX
> > enabled ExtINT on CPU#0
> > ESR value before enabling vector: 00000080
> > ESR value after enabling vector: 00000000
> > 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, 2-10, 2-11, 2-17, 2-19, 2-20, 
> 2-21, 2-22, 
> > 2-23 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
> > .... register #01: 00178003
> > .......     : max redirection entries: 0017
> > .......     : PRQ implemented: 1
> > .......     : IO APIC version: 0003
> > An unexpected IO-APIC was found. If this kernel release is 
> less than 
> > three months old please report this to 
> linux-smp@vger.kernel.org .... 
> > 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    0    0   0   0    1    1    71
> >  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    79
> >  0d 001 01  0    0    0   0   0    1    1    81
> >  0e 001 01  0    0    0   0   0    1    1    89
> >  0f 001 01  0    0    0   0   0    1    1    91
> >  10 001 01  1    1    0   1   0    1    1    99
> >  11 000 00  1    0    0   0   0    0    0    00
> >  12 001 01  1    1    0   1   0    1    1    A1
> >  13 000 00  1    0    0   0   0    0    0    00
> >  14 000 00  1    0    0   0   0    0    0    00
> >  15 000 00  1    0    0   0   0    0    0    00
> >  16 000 00  1    0    0   0   0    0    0    00
> >  17 000 00  1    0    0   0   0    0    0    00
> > 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
> > IRQ12 -> 0:12
> > IRQ13 -> 0:13
> > IRQ14 -> 0:14
> > IRQ15 -> 0:15
> > IRQ16 -> 0:16
> > IRQ18 -> 0:18
> > .................................... done.
> > Using local APIC timer interrupts.
> > calibrating APIC timer ...
> 
> Unexpected IO-APIC was found???
> 
> I've tried to compile the kernel without IO-APIC, with only 
> UP-APIC, but 
> it during the start
> says:
> 
> spurious 8259A interrupt: IRQ7 ????????? What does it mean??
> 
> What is my problem with APIC??
> 
> Thanks
> 
> Bye
> 
> Marcello
> 
> 
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