Dennis, others,
Older Red Hat kernels have both bcm5700 and tg3 modules, however, in
more recent releases (and in the linux kernel base) the bcm5700 has been
phased out in favour of the tg3 for all the Broadcom Gigabit drivers.
This means that at some point you will need to swap to the tg3 (it is a
better, more supported driver).
Also, the PXE load process downloads a kernel and and initrd image,
modules would be in this initrd disk and loaded from there. In
addition, once this basic kernel is running, it downloads another
tarball with even more modules, etc.
However, even with all this, I had trouble with the default kernels and
initrd in the OSCAR package and had to replace both with a custom made
(i.e. more recent Red Hat) kernel and modules. While doing that, I
decided it was easier to compile in the NIC and SCSI drivers rather than
running them as modules.
Like you, I was playing with Dell PE1750's. If you want further
details, email me.
Frank
On Wed, 2003-08-20 at 23:37, Gurgul, Dennis J. wrote:
> Thanks Bernard.
>
> I just saw the recent announcement of the release of 2.3 w RH 9 support. I'll
> definitely go with that.
>
> lsmod shows bcm5700 as the module. But, from your reply I infer that it is the
> kernel file in /tftpboot that gets handed over to the client to use as the
> install kernel.
>
> -----Original Message-----
> From: Bernard Li [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, August 19, 2003 5:02 PM
> To: Gurgul, Dennis J.
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Oscar-users] clients can't use nic
>
>
> Hi Dennis:
>
> Just to clarify... you mentioned that on your master node, you got the
> bcm5700 driver working - but which module did it load?
>
> We have the Broadcomm 5703x nic which uses the tg3.o module. To check
> what module you're using just do a lsmod on the server and figure out
> which one is the correct one. (This works with our RedHat 7.3 installation)
>
> I'm not sure whether there is a bcm5700.o driver (that is what your
> hardware.lst is telling systemimager, for ours, we put down 'tg3').
>
> However, I don't think this is going to solve your immediate problem
> because you cannot get your clients to netboot...
>
> You might want to try to install RedHat 9 on the nodes instead (I assume
> it has support for your network card) and the latest beta of Oscar
> supports RedHat 9.
>
> But if you are still keen on running RedHat 7.3, you can try to provide
> me with more information and I can try my best to help you.
>
> Cheers,
>
> Bernard
>
> Gurgul, Dennis J. wrote:
>
> > Hi,
> > A while ago I submitted a question regarding Broadcom 5700 NICs on my Dell
> > 1750s not being recognized by RH7.3. I was able to add the rpm for the
> > driver and the master node works fine.
> >
> > But, when I boot the client nodes (also Dell 1750s with Broadcom 5700 nics)
> > and set PXE boot the install fails.
> >
> > The client does an initial successful DHCP connection to the server. I
> > assume that because I can see the appropriate IP addressed echoed on the
> > monitor. Then the client seems to download some files. Then it gets to
> > "DHCPDISCOVER on lo to 255.255...." It never does "DHCPDISCOVER on
> > eth0....." So, it seems that the install kernel it is getting does not have
> > the bcm5700 Broadcom driver. I can also see "No adapter found" echoed on
> > the screen. That's bad, right?
> >
> > Am I correct in how I'm understanding this? (That the initial, PXE based,
> > DHCP handshake worked but the later one (DHCPDISCOVER) did not because a
> > kernel without a Broadcom driver was given to the client via tftpboot)???
> >
> > I'm guessing that the kernel in /tftpboot/kernel is what the client is
> > getting to do the install. Of course, the Broadcom driver won't be compiled
> > in there. Is that right??
> >
> > So, my questions are isn't there a way to add the bcm5700 driver to the
> > kernel in /tftpboot, or is making a separate boot floppy/CD the only way to
> > go? There's a faq about adding a driver to "the autoinstall kernel" at
> > http://www.systemimager.org/doc/html but the instructions are not to
> > comprehensive and you're first instructed to install systemimager-3.0.0
> > which seems like a much newer package than what comes with OSCAR 2.2. Plus
> > I'm not even sure this faq is referring to the initial install kernel the
> > client gets from the master.
> >
> > Also, given the proliferation of new drivers, isn't it expected that the
> > small Linux install kernel might not have a driver configured? Why isn't
> > there a way to specify a driver for the install kernel as part of the
> > "install_cluster" program?
> >
> > I was advised to put a file called hardware.lst in
> > /var/lib/systemimager/images/oscarimage/etc, which I did, containing Vendor
> > ID, Card ID (from /usr/share/hwdata/pcitable), ethernet, and bcm5700, as
> > described in the systemconfigurator man page. But this seems as if it's
> > only to be used by systemconfigurator AFTER a connection is first
> > established under the install kernel.
> >
> > Can someone PLEASE tell me if I'm understanding this correctly and what I
> > can do to get the Broadcom NIC to work before DHCPDISCOVER starts? Thank
> > you.
> >
> > Dennis
> >
> > Dennis J. Gurgul
> > Partners Health Care System
> > Research Management
> > Research Computing Core
> > 617.724.3169
> >
> >
> >
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>
>
>
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