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    SubjectRE: Network bug in 2.2.12 (20SMP/Redhat 6.1) , not 2.0.35
    Date
    > > The reason why I was looking for problems is because I was
    > getting 28K/sec
    > > ftp's between the new machines and the old file server

    > 28K!! I had a
    > > 300 Mb file to transfer :-)
    >
    > That suggests you are seeing a real problem. In paticular if you see
    > burst/pause/burst/pause chekc that the cards are negotiating
    > full/half duplex correctly and that the log doesn't contain IRQ timeouts.

    I'm certainly seeing burst/pause/burst/pause behaviour. I wasn't sure which
    log to check, but there aren't any timeouts seen by grep'ing through
    /var/log/*

    On the 2.0.36 machine (MACHINE 1) /sbin/ifconfig gives (eth1 to the adsl
    modem. they're both PCI Ne2k)

    On the receiving machine (MACHINE 2) the number of errors/frame increases
    quite steadily.

    cheers
    Stuart


    MACHINE 1

    eth0 Link encap:Ethernet HWaddr 00:00:B4:B6:04:86
    inet addr:192.168.2.1 Bcast:192.168.1.255 Mask:255.255.255.0
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:684253 errors:0 dropped:0 overruns:0 frame:585
    TX packets:505027 errors:1 dropped:0 overruns:0 carrier:1
    collisions:3530
    Interrupt:9 Base address:0x6500

    eth1 Link encap:Ethernet HWaddr 00:00:B4:59:D1:BC
    inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
    UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:31127 errors:0 dropped:0 overruns:0 frame:0
    TX packets:23911 errors:0 dropped:0 overruns:0 carrier:0
    collisions:16
    Interrupt:12 Base address:0x6600

    eth0: PCI NE2000 found at 0x6500, IRQ 9, 00:00:B4:B6:04:86.
    eth1: PCI NE2000 found at 0x6600, IRQ 12, 00:00:B4:59:D1:BC.


    MACHINE 2

    eth0 Link encap:Ethernet HWaddr 00:50:DA:64:A2:E1
    inet addr:192.168.2.15 Bcast:192.168.2.255 Mask:255.255.255.0
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:105926 errors:4373 dropped:0 overruns:1 frame:6266
    TX packets:99661 errors:0 dropped:0 overruns:0 carrier:3
    collisions:4072 txqueuelen:100
    Interrupt:11 Base address:0x1000

    messages:Dec 11 08:29:29 chopin kernel: eth0: 3Com 3c905C Tornado at 0x1000,
    00:50:da:64:a2:e1, IRQ 11



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