[Gllug] FTP / network corruption?

Nix nix at esperi.org.uk
Sun May 30 16:52:41 UTC 2010


On 28 May 2010, tid verbalised:

> On 28 May 2010 16:23, Simon Perry <gllug at si-designs.co.uk> wrote:
>
>>
>> Looks like the issue is with the Atheros card built into the motherboard.
>> 02:00.0 Ethernet controller: Atheros Communications AR8131 Gigabit
>> Ethernet (rev c0)
>>
> I've seen similar problems on Sun workstations: fine for small files, but
> corruption on large files.

I've seen the same thing. It was a bug in the card's handling of jumbo
packets: as soon as the TCP window got big enough to get past some magic
value, *whoompf* instant corruption.

Simon, what's your MTU? If it's >1500, try reducing it.
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