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SubjectRe: ASUS K8N-DL Beta BIOS AKA PROBLEM: Devices behind PCI Express-to-PCI bridge not mapped
Hi Sean,

I'm glad things are a little further on for you!

Looking at your dmesg the asus bios is still buggy (but i'm not sure
it's specifically affecting what you're seeing).

Sean Bruno wrote:
> Aperture from northbridge cpu 0 too small (32 MB)
> No AGP bridge found
> Your BIOS doesn't leave a aperture memory hole
> Please enable the IOMMU option in the BIOS setup
> This costs you 64 MB of RAM

this isn't a big deal, but linux expects an apperture of >= 64MB, you
may want to change this setting in your bios.

> init IO_APIC IRQs
> IO-APIC (apicid-pin) 4-0, 4-16, 4-17, 4-18, 4-19, 4-20, 4-21, 4-22, 4-23 not connected.
> ..TIMER: vector=0x31 pin1=2 pin2=-1
> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> ...trying to set up timer (IRQ0) through the 8259A ... failed.
> timer doesn't work through the IO-APIC - disabling NMI Watchdog!
> ...trying to set up timer as Virtual Wire IRQ...Uhhuh. NMI received for unknown reason 3d.
> Dazed and confused, but trying to continue
> Do you have a strange power saving mode enabled?
> failed.

I seem to remember that this may be related to the bios doing the wrong
workaround for the timer. on the nvidia chipsets this shouldn't be required.

> ...trying to set up timer as ExtINT IRQ... works.
> CPU 1: synchronized TSC with CPU 0 (last diff 17 cycles, maxerr 519 cycles)

you might want to try enabling ACPI 2.0 or something similar in your
bios and use the HPET timer instead.

> ACPI: Subsystem revision 20050309
> ACPI-0352: *** Error: Looking up [\_SB_.PCI0.LNK0] in namespace, AE_NOT_FOUND
> search_node ffff810142857280 start_node ffff810142857280 return_node 0000000000000000
> ACPI-0352: *** Error: Looking up [\_SB_.PCI0.APC0] in namespace, AE_NOT_FOUND
> search_node ffff810142857180 start_node ffff810142857180 return_node 0000000000000000

there are problems with the ACPI tables supplied by the bios. Linux is
expecting to find these items and does not.

> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
> ACPI-0352: *** Error: Looking up [\_SB_.PCI0.APC0] in namespace, AE_NOT_FOUND
> search_node ffff810142857180 start_node ffff810142857180 return_node 0000000000000000
> ACPI-1138: *** Error: Method execution failed [\_SB_.PCI0._PRT] (Node ffff810142857140), AE_NOT_FOUND

same as above, the acpi tables are missing information.

> ACPI: PCI Interrupt 0000:02:00.0[A]: no GSI - using IRQ 5
> PCI: Setting latency timer of device 0000:02:00.0 to 64

this may be nothing, but it does look a little disturbing (especially
since it's the USB controller).

> PCI: cache line size of 64 is not supported by device 0000:00:02.1
> ehci_hcd 0000:00:02.1: park 0
> ehci_hcd 0000:00:02.1: USB 2.0 initialized, EHCI 1.00, driver 10 Dec 2004

this is also disconcerting...

i'm not sure that i've provided a lot of enlightenment...

peter
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