[coreboot] v3 error messages

[Myles Watson]

> -----Original Message-----
> From: Jordan Crouse [mailto:jordan.crouse at amd.com]
> Sent: Thursday, October 02, 2008 3:39 PM
> To: Myles Watson
> Cc: Coreboot
> Subject: Re: v3 error messages
> 
> On 02/10/08 14:58 -0600, Myles Watson wrote:
> > I can't get v3 for simnow to work with coreinfo as the payload.  I get
> no
> > VGA even if I enable it, VGA is never mentioned in the boot log, and it
> ends
> > with a triple fault:
> >
> > cisc-cpu.cpp: CProcessor::GenerateException(): shutdown due to triple
> fault
> >
> > Fatal error reached, stopping simulation.  Error message(s) follow:
> >
> > cisc-cpu.cpp: CProcessor::GenerateException(): shutdown due to triple
> fault
> >
> > NOTE:  Simulation cannot be restarted until a reset is asserted.
> > Simulation state CAN be inspected with the SimNow debugger.
> >
> > -- end triple fault --
> >
> > This error shows up in the boot log for simnow 4.4.4pub:
> > k8_domain_scan_bus
> > pci_scan_bus start bus 0x0000ce2c, bus->dev 0x0000cbe0
> > ERROR: pci_scan_bus called with incorrect bus->dev->path.type, path is
> > PCI_DOMAIN: 0000
> > PCI: pci_scan_bus for bus 00
> > pci_scan_bus: old_devices 0x0000cee0, dev for this bus 0x0000cbe0
> (domain_0)
> > PCI: scan devfn 0xc0 to 0xff
> >
> > It also shows up now in QEMU (it didn't use to.)
> > pci_domain_scan_bus: calling pci_scan_bus
> > pci_scan_bus start bus 0x0000ac0c, bus->dev 0x0000a9c0
> > ERROR: pci_scan_bus called with incorrect bus->dev->path.type, path is
> > PCI_DOMAIN: 0000
> > PCI: pci_scan_bus for bus 00
> >
> > This "Not a multi function device" message is new to QEMU too.
> > PCI: 00:00.0 [PCI: 8086:1237] enabled
> > PCI: pci_scan_bus pci_probe_dev returns dev 0x0000b918(dynamic PCI:
> 00:00.0)
> > Not a multi function device, or the device is not present. Skip to next
> > device.
> > PCI: devfn 0x8
> > pci_scan_get_dev: list is 0x0008fee0, *list is 0x0000acc0
> >
> > Has anyone gotten v3 + coreinfo to work on simnow 4.4.4pub?
> 
> I ran it once, but there were clearly some issues with it.
> I got it running with serial, but it was clearly sick.
> 
> Can you figure out where it triple faulted?  That would be
> useful for debugging.
> 

It was after the payload started.  The serial console gets cleared and then
there is no more output until the triple fault.

Thanks,
Myles

> Jordan
> 
> --
> Jordan Crouse
> Systems Software Development Engineer
> Advanced Micro Devices, Inc.