From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Goirand <thomas@goirand.fr>
Subject: Re: [pv_ops] e1000e: "Detected Tx Unit Hang"
Date: Sat, 22 May 2010 23:32:05 +0800
Message-ID: <4BF7F8F5.2020109@goirand.fr>
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Stefan Kuhne wrote:
> Hello,
>
> my server has massive problems with my NIC.
> I got: "Detected Tx Unit Hang".
>
> At the moment I use 2.6.31 from Jeremy, does anyone know if it's fixed
> in 2.6.32 or newer tree?
>
> Regards,
> Stefan Kuhne
>   

We had the issues with many Supermicro servers as well. It seems that
Supermicro doesn't often upgrade BIOS/ROMs/etc. when they sell their
hardware. For us, many times, this fixed the issue:

ethtool -K peth0 tso off

You might want to try as well.

Thomas