Gerry Creager wrote:
Joe Landman wrote:
I wonder if the switch could be implicated. We have seen some (cheap) GbE switches not support (in practice) jumbo frames (irrespective of literature).

Been there, done that. HP claims to be able to handle packets up to 9000 bytes of payload. (9122 total, IIRC)

Ok, modern Procurves are good.  Its unlikely to be this.

[...]

But here's the one I love:
-bash-3.2# ethtool -K tso off
no offload settings changed

Hmmm... driver sounds borked if it advertises being able to turn tso on/off and then doesn't let you.

I apparently can't control things with ethtool...

... smells like the driver.

[...]

I'll go snag the new driver and compile it. After all: What can it hurt!

Any luck with this? I pulled down the tarball and built it here on a 2.6.9 based machine without incident. Not RPM format (no .spec file), but fairly painless to build.



--
Joseph Landman, Ph.D
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Scalable Informatics LLC,
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