em interface slow down on 8.0R

[Jack Vogel]

I am investigating it, and have a suspicion about what's going on, you can
assist in verifying my suspicion.  In if_em.c search for "em_setup_vlan_hw",
you will find a compile time option that uses that only if FreeBSD_version
is > 700029, hack the code however you wish so that it uses the OLD way
(ie that it never calls em_setup_vlan_hw_support()) and see if that makes
the issue disappear.

If you have any problems or questions email me directly.

Jack


On Thu, Jan 28, 2010 at 4:17 AM, Marco van Tol <marco at tols.org> wrote:

> On Tue, Jan 26, 2010 at 09:00:35AM -0800, Nick Rogers wrote:
> > Is it advisable to patch 8.0-RELEASE kernel sources with the latest
> > (CURRENT) em driver (i.e., src/sys/dev/e1000)? It looks like there are
> some
> > updates to the driver since 8.0-RELEASE that may fix some problems?
>
> While on the em subject, forgive me if I mail this to the inappropriate
> place, but is there any ETA on progress for bug kern/141646?
>
> I'm currently suffering from it and would be willing to provide needed
> assistance for fixing it.
>
> Thank you very much in advance,
>
> Marco van Tol
>
> --
> Most general statements are false, including this one.
> - Alexander Dumas
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