HDAMA errors during PCI scan

[Craig C Forney]

> 
> It looks like the second CPU is not detected correctly, 
> accesses to it's config space result in 0xff to be read.
> 
> I'm having lots of troubles with LinuxBIOS on different 
> Opteron systems since the changes that happened somewhen 
> after 2003/09/15.
> 
> Could you paste the log of LinuxBIOS _before_ it jumps to the 
> ram based code, i.e. the romcc produced code. Can you try 
> removing the -O2 from compiling auto.c to see if that changes 
> anything?
> 
>   Stefan

Here's from the start.  I notice that the working version from a few
weeks ago was doing a HyperTransport reset before it got this far. --
Craig

LinuxBIOS-1.1.5.0Fallback Tue Oct 28 10:22:23 PST 2003 starting...
setting up resource map....
done.
Enabling routing table for node 00000000 done.
Enabling SMP settings
setup_remote_node
setup_remote_done
Renaming current temp node to 00000001 done.
Enabling routing table for node 00000001 done.
00000002 nodes initialized.
detect_mp_capabilities: 00000002
coherent_ht_finalize
done
SMBus controller enabled
Ram1.00
setting up CPU00 northbridge registers
done.
Ram1.01
setting up CPU01 northbridge registers
done.
Ram2.00
Enabling dual channel memory
disabling dimm01
disabling dimm01
166Mhz
disabling dimm01
Interleaved
RAM: 0x00100000 KB
Ram2.01
Enabling dual channel memory
disabling dimm00
disabling dimm01
disabling dimm00
disabling dimm01
200Mhz
disabling dimm00
disabling dimm01
RAM: 0x00100000 KB
Ram3
ECC enabled
ECC enabled
Initializing memory:  done
Clearing memory: addr 00000000-0000003f
----------------done
Initializing memory:  done
Clearing memory: addr 00000040-0000003f
done
Ram4
Copying LinuxBIOS to ram.
Jumping to LinuxBIOS.
LinuxBIOS-1.1.5.0Fallback Tue Oct 28 10:22:23 PST 2003 booting...
Finding PCI configuration type.
PCI: Using configuration type 1
Enumerating: AMD K8 Northbridge
Enumerating: AMD K8 Northbridge
Enumerating: AMD K8
Enumerating: AMD K8
Enumerating: AMD 8111
Enumerating: NSC 87360
Enumerating buses...PCI: pci_scan_bus for bus 0
PCI: 00:18.0 [1022/1100] enabled
PCI: 00:18.1 [1022/1101] enabled
PCI: 00:18.2 [1022/1102] enabled
PCI: 00:18.3 [1022/1103] ops
PCI: 00:18.3 [1022/1103] enabled
PCI: 00:19.0 [ffff/ffff] enabled
PCI: 00:19.1 [ffff/ffff/00ffff] has unknown header type ff, ignoring.
PCI: 00:19.1 No device operations
PCI: 00:19.2 [ffff/ffff/00ffff] has unknown header type ff, ignoring.
PCI: 00:19.2 No device operations
PCI: 00:19.3 [ffff/ffff/00ffff] has unknown header type ff, ignoring.
PCI: 00:19.3 No device operations
amdk8_scan_chains max: 0 starting...