[Bug 256494] KERNEL PANIC - WiFi - after hot spot is down FreeBSD restarts

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256494

--- Comment #8 from vermaden@interia.pl ---
I also found an interesting 'side effect'.

After my main home WiFi ssid disappeared (power outage) I was not able to
connect to my temporary WiFi hotspot served from phone.

I even commented out (with '#' chars) my home WiFi ssid from
/etc/wpa_supplicant.conf and *ifconfig wlan0* still showed ssid as my home WiFi
network.

Resetting that with these did not helped:
  # ifconfig wlan0 ssid -
  # ifconfig wlan0 ssid phone-net

Other interesting thing - after doing *destroy* on that wlan0 interface it
reappeared itself after bring destroyed with ssid to my home WiFi network (the
on that disappeared during power outage).

  # ifconfig wlan0 destroy
  # ifconfig wlan0 destroy
  ifconfig: interface wlan1 does not exist
  # ifconfig wlan0 destroy
  # ifconfig wlan0 destroy

Each command executed successfully because wlan0 recreated itself. If I typed
them too fast then they yield that wlan0 does not exists and the next execution
was successful because wlan0 again existed without me creating it.

I have 3 additional /var/crash dumps but I will upload them later when not on a
WWAN connection.

When that laptop rebooted with crash dump the WiFi card was still fucked up
each time. The only thing that allowed me to connect to different WiFi network
after my main WiFi network disappeared was to push power button for 5 seconds
to power down that laptop 'hard' and start fresh boot.

Hope that helps.

This is 13.0-RELEASE without any patches as the ones that showed were not
vulnerable to me.

Regards.

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