[ipxe-devel] No network devices with Intel Board S2600WTT

[nick]

Hey Michael,
thank you very much for the answer. I will look into this and check the BIOS 
settings.

Keep up the good work you guys are doing with ipxe...it really helps us much!

Cheers
Sebastian

On Friday, October 09, 2015 09:48:36 AM you wrote:
> On 08/10/15 14:49, nick wrote:
> > we have an issue with using the Intel Board S2600WTT. It has 2 onboard 10G
> > network cards (output from lspci -nn):
> > 
> > 03:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller
> > 10- Gigabit X540-AT2 [8086:1528] (rev 01)
> > 03:00.1 Ethernet controller [0200]: Intel Corporation Ethernet Controller
> > 10- Gigabit X540-AT2 [8086:1528] (rev 01)
> > 
> > <snip>
> > 
> > PCI 03:00.0 unhandled 64-bit BAR 0000383fffc0000c
> > PCI 03:00.1 unhandled 64-bit BAR 0000383fffa0000c
> 
> Thank you for the very detailed and precise bug report; this is one of
> the best I've ever seen!
> 
> The problem is that the BIOS has mapped the PCI BARs into memory at a
> very high address which is outside of the 4GB address space that can be
> reached from a 32-bit binary.  This is relatively unusual; most BIOSes
> will reserve a window below 4GB for PCI BARs.
> 
> There may be a setting in your BIOS setup to adjust this behaviour.  If
> not, then you may have to use the UEFI version of iPXE
> (bin-x86_64-efi/ipxe.efi) instead of the BIOS version.
> 
> Michael
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