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Re: Broadcom NICs and pxegrub

From: Mathew Plattz
Subject: Re: Broadcom NICs and pxegrub
Date: Thu, 06 May 2004 22:56:14 +0000

From: "Istvan Marko" <address@hidden>
To: "Mathew Plattz" <address@hidden>
CC: address@hidden
Subject: Re: Broadcom NICs and pxegrub
Date: Thu, 06 May 2004 07:50:27 -0700

"Mathew Plattz" <address@hidden> writes:

> However, It also states it fixes support for tg3, which is for
> Broadcom NIC support.
> This doesn't seem to work though.
> We have a few Dell Machines here with onboard Broadcom 440x
> Controllers (b44), and Broadcom nEtXteme Gigabit Controllers (b57) and
> using --enable-tg3 in configure, all of these systems still fail and
> grub doesn't wprl (only displays 'minimal command line support')
> Is there support for both of these cards with pxegrub?  be it from
> patches etc.

That patch works for me for the most part. The system I have has dual
Broadcom interfaces onboard. Linux identifies them as BCM95704A7,
lspci shows this:

02:09.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet (rev 03)
        Subsystem: Broadcom Corporation: Unknown device 1644

The only problem I see is that only the first (as detected by pxegrub)
interface works properly. If the first interface doesn't get a DHCP
reply then pxegrubt tries the second one and that probe hangs. Also,
Linux and pxegrub don't seem to detect the interfaces in the same
order so the interface that pxegrub detects as the first one shows up
as eth1 (and not eth0) in Linux. After working around these
limitations I am able to use pxegrub to netboot this system.

I just tried applying the dhcp hack patch, but it doesn't work. (infact, no computer booted with it)

Is there anything I can do? These Broadcom NICs DO boot PXE, it's just pxegrub's lack of support for these 2 NICs which are causing it not to work.

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