em interface slow down on 8.0R

[Jack Vogel]

No need, I set it up and tried it, and I was right, it does not fail if that
routine is not used. The interesting thing is that the igb driver, which
has the same code, works fine.

In any case, I'm hot on the track of this and hope I can figure it out
today.

Jack


On Fri, Jan 29, 2010 at 5:38 AM, Marco van Tol <marco at tols.org> wrote:

> On Thu, Jan 28, 2010 at 11:16:02AM -0800, Jack Vogel wrote:
> > 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.
>
> Oh good, I will try that and let you know about the result first chance I
> get.  Should be days rather then hours, but I'll make it asap.
>
> > If you have any problems or questions email me directly.
>
> Will do, thanks!
>
> Marco
>
>
>
>
> > 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
>
> --
> Better to remain silent and be thought a fool
> than to speak out and remove all doubt.
> - Abraham Lincoln
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