[Bug 266347] iwlwifi fails after upgrade to stable/13-n252375-3f4e44f38c9b

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 11 Sep 2022 00:00:44 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266347

            Bug ID: 266347
           Summary: iwlwifi fails after upgrade to
                    stable/13-n252375-3f4e44f38c9b
           Product: Base System
           Version: 13.1-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: wireless
          Assignee: wireless@FreeBSD.org
          Reporter: rkoberman@gmail.com

Created attachment 236487
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=236487&action=edit
iwlwifi driver crash dump output

After updating my 13-Stable system to n252375-3f4e44f38c9b, the network fails
to start. iwlwifi crashes. After stopping the interface (service netif stop
wlan0) and reloading the driver (kldunload if_iwlwifi.ko) a few times, the
network will come up. I get these error messages when the network starts at
boot:
+iwlwifi0: <iwlwifi> mem 0xd1300000-0xd1303fff at device 0.0 on pci2
+iwlwifi0: could not load firmware image 'iwlwifi-cc-a0-72.ucode'
+iwlwifi0: File size way too small!
+iwlwifi0: successfully loaded firmware image 'iwlwifi-cc-a0-71.ucode'
+iwlwifi0: api flags index 2 larger than supported by driver
+iwlwifi0: TLV_FW_FSEQ_VERSION: FSEQ Version: 89.3.35.37
+iwlwifi0: loaded firmware version 71.058653f6.0 cc-a0-71.ucode op_mode iwlmvm
+iwlwifi0: Detected Intel(R) Wi-Fi 6 AX200 160MHz, REV=0x340
+iwlwifi0: Detected RF HR B3, rfid=0x10a100
+iwlwifi0: base HW address: 6c:6a:77:ed:ce:d9
+wlan0: Ethernet address: 6c:6a:77:ed:ce:d9
+wlan0: ieee80211_new_state_locked: pending SCAN -> AUTH transition lost
+Invalid TXQ id
+iwlwifi0: lkpi_iv_newstate: error -5 during state transition 2 (AUTH) -> 1
(SCAN)
+iwlwifi0: Microcode SW error detected. Restarting 0x0.
+iwlwifi0: Start IWL Error Log Dump:
(Dump attached)
+iwlwifi0: PHY ctxt cmd error. ret=-5
+iwlwifi0: Failed to send MAC context (action:2): -5
+iwlwifi0: failed to update MAC 0xfffffe0109e38c9eM
+iwlwifi0: lkpi_iv_newstate: error -5 during state transition 1 (SCAN) -> 2
(AUTH)
+iwlwifi0: Failed to send flush command (-5)
+iwlwifi0: flush request fail
+WARNING trans->state != IWL_TRANS_FW_ALIVE failed at
/usr/src/sys/contrib/dev/iwlwifi/iwl-trans.h:1367
+iwlwifi0: iwl_trans_wait_txq_empty bad state = 0
+iwlwifi0: Failed to trigger RX queues sync (-5)

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