forcedeth vs. nvnet driver for nVidia chipset

Discussion in 'Linux Networking' started by Roger Blake, Jun 23, 2005.

  1. Roger Blake

    Roger Blake Guest

    I'm working with a Mandriva 2005LE system that has a Gigabyte GA-K8NS
    system board with the nForce3 250 chipset. The onboard ethernet adapter
    is supported in the kernel by the "forcedeth" driver, which is marked
    as "experimental."

    Nvidia also offers their own driver, which I downloaded and installed.
    (It would not build against the 2.6.12 kernel, complaining about
    structure member "slot_name" not being present. It did compile against
    the Mandriva 2.6.11 kernel.)

    Anyone have any experience as to which driver is preferable in terms
    of stability and performance? One quick test I did was to monitor
    interrupts with vmstat, and was surprised to find that when copying a
    large file over the network, the experimental kernel driver generated
    about 1/2 the interrupts of the nVidia driver (~1800/sec vs. ~3700/sec).
    Roger Blake, Jun 23, 2005
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