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Date:      Mon, 5 Aug 2002 11:10:14 +0200
From:      Andre Grosse Bley <gandalf-hackers@nm.ruhr-uni-bochum.de>
To:        hackers@freebsd.org
Subject:   Packet loss on sis NIC?
Message-ID:  <20020805111014.A3343@nm.ruhr-uni-bochum.de>

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[I tried this in -network first, but got no reply]

Hi,

i experience packet loss on my sis0 interfaces:

4501 packets transmitted, 4340 packets received, 3% packet loss
799 packets transmitted, 745 packets received, 6% packet loss

FreeBSD pc-i.nm.ruhr-uni-bochum.de 4.6-STABLE FreeBSD 4.6-STABLE #1: Fri Jun 28
11:39:57

These are two different machines. Elitegroup K7S5A Mainboard, LAN on board

sis0: <SiS 900 10/100BaseTX> port 0xd400-0xd4ff mem 0xcfffd000-0xcfffdfff irq 11 at device 3.0 on pci0
sis0: Ethernet address: 00:d0:09:e2:fa:57
miibus0: <MII bus> on sis0
rlphy0: <RTL8201L 10/100 media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

sis0@pci0:3:0:  class=0x020000 card=0x0a141019 chip=0x09001039 rev=0x90 hdr=0x00


        media: Ethernet autoselect (100baseTX <full-duplex>)

Name  Mtu   Network       Address            Ipkts Ierrs    Opkts Oerrs  Coll Time Drop
sis0  1500  <Link#1>    00:d0:09:e2:fa:57    13390   235    12649     0     0   0   0
                                                     ^^^ Why?

         

On the other side of the wire we have a 3Com SuperStack 3300TN, 
but this also happens with a cisco catalyst. The switchs' error counter does
not increase for this ports.

Doesnt happen with other machines (with 3Com NICs)
It does not happen while using windows 2000, so i think it is not a hardware
issue.


Any ideas?

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