[ipxe-devel] PCI bus problems

[Michael Brown]

On 11/04/17 19:48, Sanchies, Giabo wrote:
>   I have just recently started using iPXE to boot some of our headless
> systems and one particular piece of older HW always lists “No more
> network devices” when booting from USB key. When running the PCISCAN
> command nothing is returned and when navigating the config menu there is
> nothing populated for PCI or Network configuration. I Have tried other
> kernels such as tiny core and a simple RHEL instance and both can see
> the 5 NICs on this server but no luck with the iPXE kernel. Initially I
> thought this was driver related but the source has the drivers for
> 8086:105e so I am leaning toward not being able to scan the PCI bus
> correctly.
>
> Any suggestion on what the problem could be, Bios options to check, or
> some debugging options to try/enable to see more verbose logs?

Try building with DEBUG=pci to see all PCI devices as they are enumerated.

Michael