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From: Andrew Morton <akpm@zip.com.au>
To: alex.buell@tahallah.demon.co.uk
Cc: Mailing List - Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: 3Com 3c905c invalid checksum?
Date: Mon, 19 Nov 2001 15:12:19 -0800	[thread overview]
Message-ID: <3BF991D3.A5220A36@zip.com.au> (raw)
In-Reply-To: <Pine.LNX.4.33.0111192234340.9417-100000@tahallah.demon.co.uk>

Alex Buell wrote:
> 
> The network card in the docking station I plug my Inspirion 8100 in, is a
> 3Com 3c905C Tornado but apparently at boot time when it is identified, it
> prints "***INVALID CHECKSUM 00e0**. I can't ping other boxes on the
> network, nor can I ping other boxes from the laptop. I've double checked
> and triple checked, and the configuration is indeed correct.
> 
> What does the error message INVALID CHECKSUM means?
> 

It means that 3com keep on changing the EEPROM checksum
algorithm and nobody has got around to reverse engineering
it on the 905C.  It's harmless.

Usual routine: check the routing, check the counters
in `ifconfig'.  If it's really a driver problem, please
send me a description as per the final section of
Documentation/networking/vortex.txt

-

  reply	other threads:[~2001-11-19 23:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-19 22:37 Alex Buell
2001-11-19 23:12 ` Andrew Morton [this message]
2001-11-19 23:19 ` Stephen Clouse
2001-11-20 14:23 ` 3Com 3c905c invalid checksum? [FOLLOW-UP] Alex Buell

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