e1000 driver works on UP, bt not SMP x86_64 (2.6.7 -2.6.12)

From: David Lang (david.lang_at_digitalinsight.com)
Date: 06/20/05

  • Next message: Herbert Xu: "Re: 2.6.12: connection tracking broken?" 
    To: linux-kernel@vger.kernel.org
Date:	Sun, 19 Jun 2005 16:55:33 -0700 (PDT)

    I have some systems with three Intel quad gig-E cards in them that
    function with the attached UP config, but port 4 of each card doesn't work
    properly with a SMP kernel (otherwise the same config).

    on a SMP kernel when I do an ifconfig of the fourth port I get the
    following error
    SIOCSIFFLAGS: Function not implemented

    doing an ifconfig of the interface then looks proper, but no network route
    is added.

    I first ran into this problem with a 2.6.7 kernel and tried several
    kernels from there to 2.6.12, all of which showed the same problem on SMP
    kernels. the problem happens with the driver built-in and as a module.

    the systems are dual Opteron 246, 2G ram MPT fusion SCSI drives.

    David Lang 

    -- 
There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies.
  -- C.A.R. Hoare

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