[Bug 263632] iwlwifi(4) crashes (freezes) a few seconds after resuming from sleep (suspend/resume not working; workaround known for now)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263632

--- Comment #44 from Graham Perrin <grahamperrin@gmail.com> ---
Created attachment 255483
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=255483&action=edit
recent iwlwifi lines only from /var/log/messages

In this attachment: I assume that all lines at Nov 27 05:20:08 
were a symptom of this bug 263632. If not, I can make a separate report. 

Before working around: 


% date ; uptime
Wed 27 Nov 2024 05:33:44 GMT
 5:33a.m.  up  4:31, 7 users, load averages: 2.49, 2.55, 1.88
% grep suspend /var/log/messages
Nov 26 08:10:07 mowa219-gjp4-zbook-freebsd acpi[18334]: suspend at 20241126
08:10:07
Nov 27 05:19:33 mowa219-gjp4-zbook-freebsd acpi[65154]: suspend at 20241127
05:19:33
% ifconfig wlan1 | grep -A 6 authmode
        regdomain ETSI country GB authmode WPA2/802.11i privacy ON
        deftxkey UNDEF TKIP 2:128-bit txpower 17 bmiss 7 mcastrate 6
        mgmtrate 6 scanvalid 60 wme roaming MANUAL
        parent interface: iwlwifi0
        media: IEEE 802.11 Wireless Ethernet OFDM/54Mbps mode 11a
        status: associated
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
% route show default
   route to: default
destination: default
       mask: default
    gateway: 192.168.1.1
        fib: 0
  interface: wlan1
      flags: <UP,GATEWAY,DONE,STATIC>
 recvpipe  sendpipe  ssthresh  rtt,msec    mtu        weight    expire
       0         0         0         0      1500         1         0 
% ping -4 -c 2 freshports.org
ping: cannot resolve freshports.org: Host name lookup failure
% 


A workaround, which I'll note separately (it's unusual), was performed at
05:35.

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