On Friday 02 January 2004 05:40 pm, Bernd Walter wrote: > On Fri, Jan 02, 2004 at 04:30:44PM -0500, John Baldwin wrote: > > 3) the host bridge lookes up 0.2.0 INTA in the $PIR, chooses an IRQ from > > the possible list (defaults to just using first IRQ) and returns it. > > This step should be skipping IRQ 4 adn using IRQ 10 or 11 instead > > That's the interesting part. > What exactly is in the $PIR table? > Fact is that the 4 PCI connectors share the same intlines wired in > different INTA-D order which is board specific. > The intlines are setup by the BIOS to 5, 10, 11 and 12. > Now FreeBSD has found out that it needs 0.2.0 INTA for the bridged device > 1.8.0 INTA. > It now incorrectly selects IRQ4 for 0.2.0 INTA, which is already > in use for a ISA device by an PnP On-Board component. > It also has to connect the intline with IRQ4 anywhere in the chipset, > which doesn't seem to happen, because the IRQ doesn't even work. > And I don't see the point why this is not a problem for non bridged > devices, which would also require an IRQ for 0.2.0 INTA. Can you please try the patch at http://www.FreeBSD.org/~jhb/patches/pir.patch -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Fri Jan 23 2004 - 10:29:10 UTC
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