APIC problems on FreeBSD/amd64 && panic: Can't find ExtINT pin to route through!

John Baldwin jhb at FreeBSD.org
Thu Aug 25 18:45:40 GMT 2005


On Friday 19 August 2005 05:33 pm, Anders Nordby wrote:
> Hi,
>
> On Wed, Jul 06, 2005 at 11:10:27AM -0400, John Baldwin wrote:
> >> (Sun V20z server booting and crashing with SMP kernel and acpi on)..
> >> 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. :)
>
> For the record (mail archive): I tried updating to the latest BIOS for
> this server today, some 6 weeks later. Now it boots a SMP kernel with
> acpi just fine:
>
> (..)
> 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 1.1> irqs 0-23 on motherboard
> ioapic1 <Version 1.1> irqs 24-27 on motherboard
> ioapic2 <Version 1.1> irqs 28-31 on motherboard
> acpi0: <PTLTD    XSDT> on motherboard
> acpi0: Power Button (fixed)
> acpi0: Sleep Button (fixed)
> (..)

Glad to hear that it's working better now.

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


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