3c905 problem

3c905 problem

[nbecker]

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"?

RE: 3c905 problem

[Galappatti, Kishantha]

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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