em interface slow down on 8.0R

[Lars Eggert]

Hi,

On 2010-1-25, at 19:38, Nick Rogers wrote:
>> On Mon, Jan 25, 2010 at 10:22 AM, Pyun YongHyeon <pyunyh at gmail.com> wrote:
>> I'm not sure you're seeing a checksum offload bug of em(4) but the
>> bug is easily reproducible in VLAN environments. If the issue is
>> gone when you disable TX checksum offloading, see kern/141843 for
>> for more detailed information as well as fix.
>> 
> Good to know, but I am having a similar problem on another em(4) interface that has no VLAN interfaces. 

FYI, I also have these issues without using VLANs, and turning off TSO fixed them.

Lars