[Bug 291621] iwx(4) hangs on a lot of outgoing ssh traffic
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Date: Sat, 13 Dec 2025 19:48:32 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291621
Adrian Chadd <adrian@freebsd.org> changed:
What |Removed |Added
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CC| |adrian@freebsd.org
--- Comment #6 from Adrian Chadd <adrian@freebsd.org> ---
I'll take this one. it's possible there's something weird in the
crypto/net80211 sequence handling.
OP, before it hangs (when things are working) please do this:
* wlanstats -i wlan0
(just to get a snapshot before your test)
Then, when things have hung, can you do this?
* wlanstats -i wlan0
* wlandebug -i wlan0 +11n +crypto
* ping -qi 0.01 10.216.1.2
And see what is logged?
What I'm looking for are some indications that AMPDU state or crypto sequence
number state is out. Typically when that happens forcing it to loop through the
12-bit (4096) seqno space by transmitting something that hopefully forces a
receive frame to be sent from the remote peer will unstick stuff.
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