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
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