On Wed, 1 Oct 2003, Jeremy Bingham wrote:
> On 01/10/03 09:33 -0700, Nate Lawson wrote:
> > > > As far as debugging prints, add the following printfs to
> > > > acpi_cmbat_get_bif():
> > > >
> > > > printf("Before getting BIF\n");
> > > > as = AcpiEvaluateObject(h, "_BIF", NULL, &bif_buffer);
> > > > printf("After getting BIF\n");
> > > >
> > > > -Nate
> >
> > Ok, that's good to know. How about the printfs? Did the second one
> > trigger? I could use a URL to your ASL and full dmesg on boot:
>
> The second one did not trigger (I had actually been using ACPI_VPRINT
> for a while to get info like that). I have a dump of my ASL here:
> http://home.satanosphere.com/bsd/jeremy.asl.gz.
dmesg is not necessary. The only way to find what is hanging is to keep
working printfs deeper into the _BIF method. Start with
AcpiEvaluateObject in sys/contrib/dev/acpica/nsxfeval.c and sprinkle
printf A, B, C etc. throughout to find where it hangs. Alternatively, if
you have a serial console and gdb, you can step through the method.
-Nate
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