>> Have you tried copying the file over with "cp" from
>> windows to your server? (cp from 'cygwin')?
>
> No, but I will try that today.
>
>> Have you tried comparing some of the differing files and
>> looking for a pattern?
>
> Yes. I wrote a modified version of cmp that tries to list all byte
> differences.
> I was looking at an iso image of some linux distribution.
> There were three bytes that differed, and if I recall correctly,
> they were all one bit differences.
>
Hi,
I would think one bit differences should be picked up by the TCP
transport layer.
You probably have Rx checksum offload on the receiving box. You could
try turning that off and recopying to see if the error persists. Could
be a bad card.
How do I turn rx checksums off under linux? This is an intel pro1000 ct.
I am happy to try it.
The gigabit ethernet is on-board, but I have several spare gigabit
nics available.
Seems unlikely the Tx sender could send an incorrect checksum unless the
buffer memory flipped a bit before checksum computation which seems
ruled out by the ECC. Still, I'm a believer in memtest.
I ran memtest-86+ through about 5 iterations, and there were no problems.
thanks,
jeff
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