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SubjectRE: 3c905 problem
Date
sounds like your hub and NIC card are mismatching on duplex, i.e. one is set
to half duplex (HDX) and one to full duplex (FDX). You don't need a switch
to fix the problem, you need to set them both to FDX.

-----Original Message-----
From: nbecker@fred.net [mailto:nbecker@fred.net]
Sent: Wednesday, November 28, 2001 9:09 AM
To: linux-kernel@vger.kernel.org
Subject: 3c905 problem


Sorry to bother you with a stupid question, but I don't know enough to
understand this.

I moved a machine which has a 3c905 connected to a linksys autosense
10/100 hub. I set no options on the 3c905 module.

I get millions of dreaded:

Nov 28 08:58:15 adglinux1 kernel: 9: @cf2b3440 length 800005ea status
000105ea
Nov 28 08:58:15 adglinux1 kernel: 10: @cf2b3480 length 800005ea status
000105ea
Nov 28 08:58:15 adglinux1 kernel: 11: @cf2b34c0 length 800005ea status
000105ea
Nov 28 08:58:15 adglinux1 kernel: 12: @cf2b3500 length 800005ea status
000105ea
Nov 28 08:58:15 adglinux1 kernel: 13: @cf2b3540 length 800005ea status
000105ea
Nov 28 08:58:15 adglinux1 kernel: 14: @cf2b3580 length 80000043 status
00010043
Nov 28 08:58:15 adglinux1 kernel: 15: @cf2b35c0 length 80000043 status
00010043
Nov 28 08:58:15 adglinux1 kernel: eth0: Transmit error, Tx status register
82.
Nov 28 08:58:15 adglinux1 kernel: Probably a duplex mismatch. See
Documentation/networking/vortex.txt
Nov 28 08:58:15 adglinux1 kernel: Flags; bus-master 1, dirty 77261(13)
current 77263(15)

What exactly does this mean? How do I fix it? I have looked at
Documentation/networking/vortex.txt, but I don't know what this
HDX/FDX means exactly, and how works with a hub or switch. Would my
problem be fixed by replacing the hub with a "switch"?

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