[Beowulf] Dual Xeon gigabit issues
wade.hampton at nsc1.net
Fri Jan 16 08:17:21 EST 2004
Douglas Eadline, Cluster World Magazine wrote:
>On Wed, 14 Jan 2004, Joshua Baker-LePain wrote:
>>I just moved two dual Xeon servers into a new home. One of them refuses
>>to see a network link, before or after the machine boots. The only
>>difference in them is a slight revision in the motherboard: the one that
>>links has a Supermicro X5DPE-G2 (e7501 chipset), and the one that doesn't
>>has a SM P4DPE-G2 (e7500). Both have the same onboard network chip (Intel
>>82546EB -- dual port gigabit). They're connected to a Cisco Catalyst
>You might first try looking for any messages in /var/log/messages
>when you load the driver module. I assume you are using e1000.o.
>Are the versions identical on both systems ?
>The output from things like
>may be a good place to start. BTW, with Intel chips-sets showing link to a
>switch does not necessarily imply that the kernel module is working.
>>The box *will* link when connected to a 100Mb switch. I also hooked it
>>up to a Dell 5224 (gigabit) switch that I have, and it found a link after
>>about 10 seconds.
>>Any ideas? I've already tried flashing the BIOS and playing with mii-tool
I have several SuperMicro dual 2.2 xeon boxes and am having NIC problems
as well. It is also an E7500 chipset with 82546EB NIC. The eth0 would
to a GB switch (don't have the make right now). Eth1worked fine so I
had to use
eth1 instead of eth0.
When I get the box back next week, I'll find out if this was a hardware
similar to the one reported.
Note: This box was borrowed from my cluster and is running Fedora Core 1.0
with the 2115 kernel and is somewhat unstable (several crashes) - yet
Sorry I don't have more information at this time as the box is at
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