ACPI blacklist - important?

John Baldwin jhb at freebsd.org
Mon Apr 3 14:31:46 UTC 2006


On Saturday 01 April 2006 14:26, Nate Lawson wrote:
> Scott Lipcon wrote:
> > Hi,
> > 
> > I've got a question, and I have to admit I really don't know much about
> > ACPI, but I'd appreciate any advice.
> > 
> > My email server was an Athlon XP running FreeBSD 5.4-STABLE, and the
> > motherboard died.  I put the disks in an old machine, which is an ASUS P2D-B
> > board, dual 350Mhz PII.  It panic'ed on boot, saying the ACPI implementation
> > was on the blacklist.  I was able to figure out how to disable the blacklist
> > check ("set hint.acpi.0.disabled=0") and it booted up and seems to be
> > running OK.
> 
> If you upgrade the BIOS, the message will likely go away.
> 
> The blacklist check should NOT panic, it should just boot with acpi 
> disabled.  So please give the panic message and any associated info 
> (i.e. trap frame).

When using APIC we we don't find out that the blacklist is invalid until
after we have committed to using ACPI to route PCI interrupts and it's
not easy to undo all that and go back to using the MP Table instead as the
interrupt sources are already setup, etc.

-- 
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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