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

Nate Lawson nate at
Sun Oct 10 10:23:08 PDT 2004

Mark Murray wrote:
> 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?

Not off-hand. A sysresource problem?  Boot acpi with 


More information about the cvs-all mailing list