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I have a cluster of 10 machines. ifconfig on 5 of them show a very high number of RX overruns. The machines are similar, but I have noticed that the 5 that are having problems all have an "a2" version of the Nvidia MCP61 ethernet controller. The 5 that don't have problems are all version "a1".

lshw shows I'm running version 0.64 of the forcedeth driver. The nvidia drivers page shows a version 1.21 available.

Where should I go from here? I'm hoping a driver update might fix, but I cannot find a newer driver version I can install with my meager linux skills.

ifconfig:

eth0      Link encap:Ethernet  HWaddr 00:18:f3:85:bf:5f  
          inet addr:192.168.2.156  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::218:f3ff:fe85:bf5f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3419054 errors:156023 dropped:0 overruns:156020 frame:3
          TX packets:3573355 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:3023023298 (3.0 GB)  TX bytes:3457772254 (3.4 GB)

lshw:

 *-bridge
       description: Ethernet interface
       product: MCP61 Ethernet
       vendor: NVIDIA Corporation
       physical id: 7
       bus info: pci@0000:00:07.0
       logical name: eth0
       version: a2
       serial: 00:18:f3:85:bf:5f
       size: 1000000000
       capacity: 1000000000
       width: 32 bits
       clock: 66MHz
       capabilities: bridge pm msi ht bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=forcedeth driverversion=0.64 duplex=full ip=192.168.2.156 latency=0 link=yes maxlatency=20 mingnt=1 multicast=yes port=MII speed=1Gbit/s
       resources: irq:43 memory:dfffd000-dfffdfff ioport:e480(size=8)

ethtool:

Settings for eth0:
        Supported ports: [ MII ]
        Supported link modes:   10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 1
        Transceiver: external
        Auto-negotiation: on
        Supports Wake-on: g
        Wake-on: d
        Link detected: yes
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