> Hi,
> 
> From: Christoph Egger <Christoph_Egger@gmx.de>
> Subject: ACPI Error
> Date: Sat, 16 Aug 2003 17:36:59 +0200 (MEST)
> 
> > NetBSD 1.6W (MYKERNEL) #4: Sat Aug 16 13:01:34 CEST 2003
> >        
> > root@athene.eggernet.de:/usr/src-current/sys/arch/i386/compile/MYKERNEL
> > total memory = 255 MB
> > avail memory = 232 MB
> > using 3297 buffers containing 13188 KB of memory
> > BIOS32 rev. 0 found at 0xf04a0
> > mainbus0 (root)
> >     ACPI-0162: *** Error: AcpiLoadTables: Could not get RSDP,
> > AE_NO_ACPI_TABLES
> >     ACPI-0216: *** Error: AcpiLoadTables: Could not load tables:
> > AE_NO_ACPI_TABLES
> > ACPI: unable to load tables: 2
> 
> These messages mean the kernel could not find RSDP (signature
> in BIOS, pointing to ACPI tables).
> 
> Even if your motherboard says "ACPI ready", its BIOS may
> not support ACPI.  If you are sure the BIOS is ACPI ready
> and has RSDP and other ACPI tables, it might be a software
> issue.
> 
> If you are interested, /sys/dev/acpi/acpica/Subsystem/tbxfroot.c
> might be a good start point for your problem.

I just have checked my BIOS. I didn't find ACPI related options.
It actually seems the BIOS has no ACPI support.

IMO, it is less confusing, when I get a message like:

acpi0 at mainbus0: not supported/enabled by BIOS

rather than the two above error messages unless a kernel option
like a ACPIDEBUG is enabled.


-- 
CU,

Christoph Egger
E-Mail: Christoph_Egger@gmx.de

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