Re: [tlug] debian networking

["Stephen J. Turnbull" <stephen@example.com>]

>>>>> "simon" == simon colston <simon@example.com> writes:

Thanks for the response Paul.  This is the output from lspci -v :

    simon> 0000:02:01.0 Ethernet controller: Intel Corp. 82540EM
    simon> Gigabit Ethernet Controller (rev 02)

The controllers are claimed to be identical as are the capabilities,
but the first card has 2 banks of memory, the second only 1.  Do you
really have gigabit both local and global?  Are the cards not
identical as far as you know?  If the answer to both is "yes", there's
no problem.  If the answer is no, either the hardware/firmware or the
software is broken.

Other than that, the IRQs are plausible and don't conflict, the I/O
ports are plausible and don't conflict, the memory addresses are
plausible and don't conflict, so things look OK.  ("Plausible" means I
don't write device drivers, but ISTR seeing similar lspci output and
the alignments are not insane.)

Do a lsmod.  It used to be the case that many network modules were not
reentrant and you had to load separate copies for each interface (even
aliases).  ISTR that was fixed, but it looks like you're reduced to
educated guesses at this point, so I'm guessing that might matter.

    simon> I don't really understand this but the only worrying part
    simon> is the "Unknown device" bit.  Is this significant?

No and yes.  No, it just means that the module's table of supported
devices is not up-to-date, and typically this doesn't change the ABI,
so you're OK.  Yes, it just means that the modules table of supported
devices is not up-to-date (where have I heard that before?), and
typically this means that magic is loose in the world, and anything
can happen.

So there you are.  ;-)


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