acpi/ohci/rsdt wtf?

John Baldwin jhb at
Thu Sep 15 12:59:49 PDT 2005

On Thursday 15 September 2005 03:41 pm, Jeff D. Hamann wrote:
> I'm curious what the
> acpi_perf0: invalid _PSS package
> messages are all about and why there are so many? I'm also curious about
> the EHCI stuff. My bios has some settings which state:
> "stop ehci in ohci handler handover"
> the comments for the setting stats:
> "stops the ehci host controller during ohci handvoer call. the is needed
> for installing Oses that does not support ehci host controllers"

Leave it off.  FreeBSD 6 includes the ehci(4) driver by default as you can see 
in your dmesg.

> and I'm not sure what it means and I don't know if FreeBSD-6beta4 supports
> it.
> Also, there's another setting about "acpi apic support" where the hint
> states:
> "include acpi apic table pointer to rsdt pointer list"
> Wha?

Leave that on.  It looks like it already is.  Having this on is what let's us 
find the ACPI APIC Table as mentioned here:

> ioapic0 <Version 1.4> irqs 0-23 on motherboard

John Baldwin <jhb at>  <><
"Power Users Use the Power to Serve"  =

More information about the freebsd-amd64 mailing list