cvs commit: src/sys/dev/acpica acpi_quirks acpi_timer.c acpivar.h

Mark Murray markm at FreeBSD.ORG
Sat Oct 9 01:30:16 PDT 2004


Nate Lawson writes:
> I've been analyzing how Windows and Linux handle IRQ routing.  There are 
> some interesting parts that I've mentioned before but thought I'd 
> summarize publically:
> 
> * Some systems, notably laptops, require all PCI irqs to be routed to 
> the SCI (irq 9 almost always).  Sony VAIOs are one example.
> 
> * Both $PIR and _PRT are used for ACPI irq routing.  It merges them via 
> some unknown algorithm (prefer $PIR?)

My Toshiba Libretto 110CT panics at boot because the NPX hasn't got an
irq assigned. If I turn off ACPI, it get a hard hang in isa_probe_devices().

Any ideas?

M
--
Mark Murray
iumop ap!sdn w,I idlaH


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