[2.4.23] IPv6 creates errors on my ethernet device

From: Marcello (voloterreno_at_tin.it)
Date: 11/30/03

  • Next message: Jens Axboe: "Re: Silicon Image 3112A SATA trouble" 
    Date:	Sun, 30 Nov 2003 19:22:34 +0100
To: Linux Kernel <linux-kernel@vger.kernel.org>

    Hi all ,

    I have an ethernet card with a Realtek 8139C chip , and I've enabled
    IPv6 in my kernel (2.4.23)

    My ethernet card is connected to an ADSL Modem , an Ericsson HM220dp,
    and every (appoximatly) 50000 packets transmitted/recived by the
    devices ,if IPv6 is enabled , ifconfig reports an error in RX packages :

    bash-2.05b# ifconfig
    eth0 Link encap:Ethernet HWaddr 00:E0:7D:D5:0C:ED
              inet6 addr: fe80::2e0:7dff:fed5:ced/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
              RX packets:95734 errors:1 dropped:0 overruns:0 frame:0
              TX packets:101956 errors:0 dropped:0 overruns:0 carrier:0
              collisions:465 txqueuelen:1000
              RX bytes:24717818 (23.5 Mb) TX bytes:52543424 (50.1 Mb)
              Interrupt:17 Base address:0x5f00
     
    The modem is connected at 10Mbps speed Half-Duplex .

    If I disable IPv6 I don't see errors on the ethernet device , I've tried
    until 1500000 packets without errors .

    What cause those errors? The only solution is disable IPv6?? I've found
    this problem on 2.4.22 too (I haven't tried IPv6 on previous kernels)

    Thanks

    Marcello

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