panic: interrupt from missing bus(HP xw8400 WS)

[John Baldwin]

On Thursday 08 February 2007 05:24:08 am KAWAGUTI Ginga wrote:
> Hi.
> 
> I'm using [6.2-STABLE of Tue Feb  6 16:17:03 JST 2007],
> and HP xw8400 PC with 4GB memory, 2.0GHz Xeon x1.
> Other configuration is SAS(on-board), SCSI(see below).
> 
> 
> When FreeBSD-6-stable boots with this PC, it always panics at
> very first stage of booting just after loader.
> 
> * Only way I can boot with this PC is to select 
>   "safe-mode" at loader selection(no SMP, etc...).
> 
> * Disabling ACPI(as below), is not sufficient.
> 
>    loader> unset acpi_load
>    loader> set hint.acpi.0.disabled=1
> 
> * GENERIC kernel also behaves the same.
> 
> * Same thing happens with 6.2-R or before.
> 
> -------------------------------------------------------
> boot message going panic:
> ..
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:   0
>  cpu1  (AP): APIC ID:  1
> ioapic0: Assuming intbase of 0
> ioapic1: Assuming intbase of 24
> ioapic2: Assuming intbase of 48
> panic: interrupt from missing bus
> cpuid - 0
> Uptime: 1s
> Automatic reboot in 15 seconds ....

You have a busted mp table.  The mp table isn't used if ACPI is present,
so perhaps ACPI is disabled in the BIOS?

-- 
John Baldwin