[K12OSN] 3Com Nic's

"Terrell Prudé Jr." microman at cmosnetworks.com
Mon Apr 2 17:42:27 UTC 2007

I use 3Com NIC's on the standard UDP ports, and they work perfectly. 
Can you give it a try on the standard ports on a test network?

Also, when you do LTSP DHCP, remember that you're actually making *two*
DHCP requests, not one.  The first is done by the EtherBoot image;
that's where you do your TFTP boot and get your kernel/initrd image. 
The second is done by the GNU/Linux program "dhclient", and that's where
you get all the /opt/ltsp/i386 stuff, initialize X11, etc.  It sounds
like the first DHCP request is indeed working on UDP 1067 (else you
wouldn't even get a kernel), but the second request might be trying to
go to the standard port (UDP 67).  If that happens, and you get a DHCP
address from the "other" DHCP server, then you don't get your
"root-path" option.  If you don't get that, then you can't do your
pivot_root, and you get a kernel panic.

That would be my first plan of attack for troubleshooting.

Do you GNU!?
Microsoft Free since 2003 <http://www.gnu.org/>--the ultimate antivirus

Pete Horm wrote:
> Hi Everyone,
> I have a test K12LTSP with Fedora 6.  I have clients booting via
> etherboot on port 1067 using the rom-o-matic.  Some Nic's like
> Kingston 110, Kingston 120, Intel, Netgear work fine.  I have 3Com
> Nics that simply don't work.  some are 3c905tx, some are 3c905btx.  I
> have tried several rom-o-matic boot drivers but to no avail.  I keep
> getting Error!  dhcpd failed kernel panic.  I am using the same
> machine that works with the other NIC's.  Any suggestions?  Thanks
> very much.
> pete
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