[SeaBIOS] PXE boot ROM question

Kevin O'Connor kevin at koconnor.net
Tue Oct 29 23:58:11 CET 2013

On Tue, Oct 29, 2013 at 01:20:38PM -0700, Jonathan Sturges wrote:
> Hi,
> I'm in the process of dusting off an old Geode GX1 thin client I
> have and upgrading it to coreboot v4.  I had no problem building a
> new coreboot image (v4 is SO much easier than v2), but I'm having an
> issue with SeaBIOS and option ROMs.  Since this is my first time
> working with SeaBIOS, I need a bit of help to bring this together.
> I built a PXE ROM for the onboard NIC, which is a NatSemi DP83815
> (DEV/DID 100b/0020).  I've tried both an iPXE image built from
> scratch, as well as a GPXE ROM from rom-o-matic.  I added the ROM
> with cbfstool as documented at coreboot.org, and also added a
> bootorder file that lists the NIC first.  However, when SeaBIOS
> calls the ROM, nothing seems to happen.  See below, where it tries
> to boot from the ROM but fails almost immediately.  It boots
> successfully from the local disk after the ROM returns.  Any
> pointers as to what the issue is are appreciated.

I don't see anything in the log that indicates a problem.  I suggest
you recompile seabios with a debug level of 8 to get more info.  Also,
please grab the latest version of seabios.  Finally, what does the
boot menu show if you hit F12 during boot?


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