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From: Zhihao Yuan <zy@miator.net>
Date: Thu, 9 Nov 2017 02:53:34 -0600
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Subject: iwn crashing on 11n network
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The issues is here:

  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214435

We observed same error from two cards,

Intel Centrino Wireless-N 1000

and

Intel Centrino Ultimate-N 6300

both on 11.

This card used to work in FreeBSD, where
11n is not supported, so it connects to an
11a network instead.  Now it connects to
nothing, even after -ht -- which will causes
the whole system to reboot after lots of
disconnects.

-- 
Zhihao Yuan, ID lichray
The best way to predict the future is to invent it.
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