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From: John Baldwin <jhb@FreeBSD.org>
To: Anders Nordby <anders@FreeBSD.org>
Date: Wed, 6 Jul 2005 11:10:27 -0400
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Cc: stable@FreeBSD.org, Peter Wemm <peter@FreeBSD.org>
Subject: Re: APIC problems on FreeBSD/amd64 && panic: Can't find ExtINT pin
	to route through!
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On Tuesday 05 July 2005 06:38 pm, Anders Nordby wrote:
> Hi John,
>
> From my console:
>
> FreeBSD 5.4-RELEASE-p2 #2: Wed Jul  6 00:01:31 CEST 2005
>     root@master.nuug.no:/usr/obj/usr/src/sys/MASTER
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: AMD Opteron(tm) Processor 248 (2193.76-MHz K8-class CPU)
>   Origin = "AuthenticAMD"  Id = 0xf5a  Stepping = 10
>  
> Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA
>,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2> AMD
> Features=0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow>
> real memory  = 2146893824 (2047 MB)
> avail memory = 2061148160 (1965 MB)
> ACPI APIC Table: <PTLTD          APIC  >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
> MADT: Forcing active-low polarity and level trigger for SCI
> ioapic0 <Version 0.0> irqs 0-0 on motherboard
> ioapic1 <Version 1.1> irqs 1-4 on motherboard
> panic: Can't find ExtINT pin to route through!
> cpuid = 0
> Uptime: 1s
> Automatic reboot in 15 seconds - press a key on the console to abort

You're first APIC claims to have 0 IRQs assigned, and the second claims to 
have only 4!  Can you provide boot -v output as well as the output of 
acpidump -t and mptable?  This is not a problem with irq0, your box seems 
much more hosed.  There's no way you can expect a box to run with only four 
IRQs. :)

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org