[Bug 235031] [em] em0: poor NFS performance, strange behavior

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235031

--- Comment #38 from Martin Birgmeier <d8zNeCFG at aon.at> ---
Your are right, I forgot to remove this patch when updating to the latest 12.0
patchlevel. But I guess that should not adversely affect the driver.

Anyway, with the patch performance was just good enough to let some NFS
through.

However, this certainly is no hardware problem because when using the driver
from ports (net/intel-em-kmod) performance is perfect.

Something is still very broken with the conversion of this driver to iflib.

I just noticed that comment #34 just shows a merge to stable/12, but I am
running releng/12.0. So I should probably merge this stuff and see how that
works.

-- Martin

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