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List:       npaci-rocks-discussion
Subject:    Re: [Rocks-Discuss] missing ethernet interfaces
From:       "Bart Brashers" <bbrashers () environcorp ! com>
Date:       2008-09-30 16:33:07
Message-ID: CFD807D83949B74DA54AB08DF66B333E01B91572 () env-evl-ex01 ! emeryville ! environ ! local
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I had a similar problem recently.  Mine turned out to be that the
jumpers on the motherboard were set to disable the on-board NICs (sound
of palm on forehead).  Perhaps there's a BIOS setting that disables it
too?  Other than that, I have no clues.  My cluster was running 4.1
until a few weeks ago, and used (and uses) the tg3 with no intervention
on my part.

Bart

> -----Original Message-----
> From: npaci-rocks-discussion-bounces@sdsc.edu
[mailto:npaci-rocks-discussion-bounces@sdsc.edu] On
> Behalf Of Noam Bernstein
> Sent: Monday, September 29, 2008 1:35 PM
> To: Discussion of Rocks Clusters
> Subject: [Rocks-Discuss] missing ethernet interfaces
> 
> Hi - I have an odd problem, and it's sort of Rocks related, so I'm
> hoping someone can help.  We have a generally smoothly running
> Rocks 4.1 cluster.  Recently one of our NASs died, so I tried to
> reinstall.
> It's a single Opteron on on Tyan K8SE motherboard, with an Intel
> 100 Mb and 2 Broadcom gigabit interfaces.  The installer seems to see
> all 3, but when the NAS boots it can only see the Intel interface.
> The tg3 module is installed (I'm pretty sure that's the Broadcom
> relevant
> one), but nothing's showing up, not even in /sbin/lspci.  It's like
> it only
> has one interface.  But that interface doesn't even have an ethernet
> cable,
> and the installer managed to install everything over the network just
> fine.
> I'm currently running 2.6.9-55.0.9 kernel, which works fine on similar
> compute nodes and our other NAS, which I think has the same
motherboard
> (certainly has the same set of ports on the back panel).
> 
> A CentOS 4.4 Installation CD in rescue mode (2.6.9-42 kernel) also
> sees all 3 interfaces.
> 
> Any ideas?  Shouldn't lspci show everything?
> 
> 
Noam


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