PII SMP system hangs during boot with ACPI enabled

[John Baldwin]

On 23-Nov-2003 John Polstra wrote:
> I have an old dual PII/400 system that I'm trying to set up as a
> -current scratchbox.  The motherboard is a Tyan S1836DLUAN with the
> Intel 440BX chipset.  I upgraded the BIOS to the latest from Tyan's
> web site.  It is supposed to support ACPI.  I'm using -current from
> around noon Pacific time, November 23 (today).
> 
> The system boots and runs fine if I disable ACPI either in loader.conf
> or in the BIOS, but if ACPI is enabled it hangs fairly late in the
> boot, right after these messages:
> 
> lo0: bpf attached
> acpi_cpu0: set speed to 100.0%
> acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
> 
> It's not a totally solid hang.  For instance, the scroll lock key
> works and allows me to scroll forward and backward through the
> syscons output.
> 
> I've attached the verbose boot messages.  Is this system Just Too Old?

Try http://www.FreeBSD.org/~jhb/patches/acpi_irq.patch

-- 

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