[Bug 274716] iwm: phy ctx + mac ctx erros, iwm_newstate: could not move to auth stat

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274716

            Bug ID: 274716
           Summary: iwm: phy ctx + mac ctx erros, iwm_newstate: could not
                    move to auth stat
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: wireless
          Assignee: wireless@FreeBSD.org
          Reporter: bz@FreeBSD.org

Trying to reach (or not reach) a specific bssid I restarted wpa_supplicant and
did a netif restart on a wlan0 based by iwm.  This shows similar problems that
trigger the KASSERTs in LinuxKPI 802.11 code for iwm(4):

(1)

wlan0: link state changed to DOWN
iwm0: PHY ctxt cmd error. ret=35
iwm0: iwm_auth: failed update phy ctxt
iwm0: iwm_newstate: could not move to auth state: 35
wlan0: link state changed to UP

(2)

iwm0: iwm_auth: failed to update power management
iwm0: iwm_newstate: could not move to auth state: 35
wlan0: link state changed to UP

(3)

iwm0: iwm_mac_ctxt_send_cmd: Failed to send MAC context (action:2): 35
iwm0: iwm_bring_down_firmware: Failed to change mac context: 35

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