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Date:      Fri, 5 Feb 2010 20:44:59 -0800
From:      Nick Rogers <ncrogers@gmail.com>
To:        Max Laier <max@love2party.net>
Cc:        pyunyh@gmail.com, jfv@freebsd.org, freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com>
Subject:   Re: em(4) + ALTQ broken
Message-ID:  <147432021002052044h591c4050ka7f39b4ec739f2a@mail.gmail.com>
In-Reply-To: <201002050351.12270.max@love2party.net>
References:  <147432021001310037n1b67f01bx4b4e8781321cea8@mail.gmail.com> <2a41acea1002021443t1c298528i2df3cf40269c733@mail.gmail.com> <2a41acea1002021447t1067ee42gc59b25216270459b@mail.gmail.com> <201002050351.12270.max@love2party.net>

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I applied drbr_altq.diff to the e1000 driver (sys/dev/e1000) from HEAD on
top of 8.0-RELEASE kernel sources. It appears to have fixed the immediate
problem where queues simply don't work on em interfaces. Thanks a bunch.

I suppose further review and testing by others would be greatly appreciated
from my point of view. I am trying to decide on a relatively stable 8.0
kernel with working em(4) + ALTQ to put into production on 100 or so
installations. Are you guys more comfortable with the HEAD sys/dev/e1000 +
this patch on top of 8.0-RELEASE, or e1000 from 7.2 on top of 8.0-RELEASE?
So far I am having good luck with the later. Thanks again for your
contributions!

On Thu, Feb 4, 2010 at 6:51 PM, Max Laier <max@love2party.net> wrote:

> Okay ... attached is a patch to fix this for em(4) (and lay the groundwork
> to
> fix it for other drbr_* consumer as well).  I have tested it in VirtualBox,
> but don't have real hardware to check for non-ALTQ performance or other
> regressions.
>
> Test, comments and review appreciated.
>
> --
>   Max
>



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