Messages in this thread | | | Date | Tue, 4 Mar 2003 17:46:35 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Re: PCI init issues |
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On Tue, 4 Mar 2003, Ron Arts wrote:
> > So there are at least two potential reasons for that: > > > > - The MP table is simply wrong, and WinXP gets the routing information > > from somewhere else (ie most likely ACPI) > > > > - The MP table is right, and only pin0 is connected, and WinXP only uses > > pin0 (ie it puts the card in some state where all irqs are shared > > across all of the four tulip chips). > > > > Maybe somebody can come up with other schenarios. > > > > It would be interesting to hear what "Device Manager" (or whatever it is > > called) unde WinXP claims the interrupts are on this machine... Are they > > all on irq 48 on XP too? Or has XP gotten magic knowledge somewhere > > (ACPI?) and they are on different irq's? > > > > Linus
How about using 'mptable' (Authored by Pete Zaitcev) to view the bus,pin and ioapic layout? It showed all the INTA,B,C,D pins on a troublesome system of mine and helped track down the problem.
http://people.redhat.com/zaitcev/linux/mptable-2.0.15a-1.i386.rpm http://people.redhat.com/zaitcev/linux/mptable-2.0.15a-1.src.rpm
Regards, Zwane -- function.linuxpower.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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