[Bug 277432] iwlwifi panic: Sleeping thread owns a non-sleepable lock

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277432

            Bug ID: 277432
           Summary: iwlwifi panic: Sleeping thread owns a non-sleepable
                    lock
           Product: Base System
           Version: 13.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: wireless
          Assignee: wireless@FreeBSD.org
          Reporter: weiss@uni-mainz.de

FreeBSD  13.3-RC1 FreeBSD 13.3-RC1 releng/13.3-n257425-8997b0270dae GENERIC
amd64

with 13.2 userland, wireless WPA2-PSK, 
Mar  2 10:13:14 laptop kernel: iwlwifi0: <iwlwifi> mem 0xec000000-0xec001fff
irq 18 at device 0.0 on pci2
Mar  2 10:13:14 laptop kernel: iwlwifi0: Detected crf-id 0xbadcafe, cnv-id 0x10
wfpm id 0x80000000
Mar  2 10:13:14 laptop kernel: iwlwifi0: PCI dev 24fd/0050, rev=0x230,
rfid=0xd55555d5
Mar  2 10:13:14 laptop kernel: iwlwifi0: successfully loaded firmware image
'iwlwifi-8265-36.ucode'
Mar  2 10:13:14 laptop kernel: iwlwifi0: loaded firmware version 36.ca7b901d.0
8265-36.ucode op_mode iwlmvm
Mar  2 10:13:14 laptop kernel: iwlwifi0: Detected Intel(R) Dual Band Wireless
AC 8265, REV=0x230
Mar  2 10:13:14 laptop kernel: iwlwifi0: base HW address: 24:ee:9a:b6:36:ea,
OTP minor version: 0x0
u

after about an hour of usage I got this panic:


Mar  2 11:09:10 laptop kernel: iwlwifi0: linuxkpi_ieee80211_connection_loss:
vif 0xfffffe0093b72e80 vap 0xfffffe0093b72010 state RUN
Mar  2 11:09:10 laptop kernel: wlan0: link state changed to DOWN
Mar  2 11:09:10 laptop wpa_supplicant[350]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=a0:f3:c1:74:98:ec reason=0
Mar  2 11:09:10 laptop wpa_supplicant[350]: ioctl[SIOCS80211, op=20, val=0,
arg_len=7]: Can't assign requested address
Mar  2 11:09:10 laptop kernel: iwlwifi0: Couldn't drain frames for staid 0,
status 0x8
Mar  2 11:09:10 laptop kernel: iwlwifi0: lkpi_sta_run_to_init:2173:
mo_sta_state(NOTEXIST) failed: -5
Mar  2 11:09:10 laptop kernel: iwlwifi0: lkpi_iv_newstate: error -5 during
state transition 5 (RUN) -> 0 (INIT)
Mar  2 11:09:11 laptop kernel: iwlwifi0: lkpi_sta_scan_to_auth:1033: lvif
0xfffffe0093b72000 vap 0xfffffe0093b72010 iv_bss 0xfffffe00d21f9000 lvif_bss
0xfffff8000715c
800 lvif_bss->ni 0xfffffe00cafe2000 synched 0
Mar  2 11:09:11 laptop kernel: iwlwifi0: lkpi_iv_newstate: error 16 during
state transition 1 (SCAN) -> 2 (AUTH)
Mar  2 11:10:00 laptop syslogd: kernel boot file is /boot/kernel/kernel
Mar  2 11:10:00 laptop kernel: Sleeping thread (tid 100876, pid 0) owns a
non-sleepable lock
Mar  2 11:10:00 laptop kernel: KDB: stack backtrace of thread 100876:
Mar  2 11:10:00 laptop kernel: #0 0xffffffff80c11dbf at mi_switch+0xbf
Mar  2 11:10:00 laptop kernel: #1 0xffffffff80c11520 at _sleep+0x1f0
Mar  2 11:10:00 laptop kernel: #2 0xffffffff80c67151 at
taskqueue_thread_loop+0xb1
Mar  2 11:10:00 laptop kernel: #3 0xffffffff80bc094d at fork_exit+0x7d
Mar  2 11:10:00 laptop kernel: #4 0xffffffff8109ab9e at fork_trampoline+0xe
Mar  2 11:10:00 laptop kernel: panic: sleeping thread
Mar  2 11:10:00 laptop kernel: cpuid = 1
Mar  2 11:10:00 laptop kernel: time = 1709374162
Mar  2 11:10:00 laptop kernel: KDB: stack backtrace:
Mar  2 11:10:00 laptop kernel: #0 0xffffffff80c514c5 at kdb_backtrace+0x65
Mar  2 11:10:00 laptop kernel: #1 0xffffffff80c04e22 at vpanic+0x152
Mar  2 11:10:00 laptop kernel: #2 0xffffffff80c04cc3 at panic+0x43
Mar  2 11:10:00 laptop kernel: #3 0xffffffff80c69673 at
propagate_priority+0x293
Mar  2 11:10:00 laptop kernel: #4 0xffffffff80c6a1c4 at turnstile_wait+0x314
Mar  2 11:10:00 laptop kernel: #5 0xffffffff80be1bbb at __mtx_lock_sleep+0x17b
Mar  2 11:10:00 laptop kernel: #6 0xffffffff80e58960 at
linuxkpi_ieee80211_find_sta+0xd0
Mar  2 11:10:00 laptop kernel: #7 0xffffffff80e58a0f at
linuxkpi_ieee80211_find_sta_by_ifaddr+0x7f
Mar  2 11:10:00 laptop kernel: #8 0xffffffff831312b8 at
iwl_mvm_rx_rx_mpdu+0x1e8
Mar  2 11:10:00 laptop kernel: #9 0xffffffff8315eeb4 at
iwl_pcie_rx_handle+0x444
Mar  2 11:10:00 laptop kernel: #10 0xffffffff8315e78d at
iwl_pcie_napi_poll+0x2d
Mar  2 11:10:00 laptop kernel: #11 0xffffffff80e674cf at lkpi_napi_task+0xf
Mar  2 11:10:00 laptop kernel: #12 0xffffffff80c65ed2 at
taskqueue_run_locked+0x182
Mar  2 11:10:00 laptop kernel: #13 0xffffffff80c67162 at
taskqueue_thread_loop+0xc2
Mar  2 11:10:00 laptop kernel: #14 0xffffffff80bc094d at fork_exit+0x7d
Mar  2 11:10:00 laptop kernel: #15 0xffffffff8109ab9e at fork_trampoline+0xe
Mar  2 11:10:00 laptop kernel: Uptime: 56m26s

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