Backtrace

WARNING: CPU: 0 PID: 957 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2085 __iwl_trans_pcie_grab_nic_access+0x1eb/0x220 [iwlwifi]
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 bnep nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 btusb btrtl btbcm btintel bluetooth ecdh_generic ip_set nf_tables nfnetlink qrtr uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc intel_rapl_msr pn544_mei mei_phy sunrpc pn544 hci iTCO_wdt intel_pmc_bxt nfc mei_hdcp mei_wdt mei_pxp intel_rapl_common iTCO_vendor_support ppdev x86_pkg_temp_thermal dell_laptop intel_powerclamp dell_smm_hwmon iwlmvm coretemp kvm_intel vfat fat kvm mac80211 snd_ctl_led dell_wmi snd_hda_codec_realtek irqbypass rapl libarc4 snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi intel_cstate snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec iwlwifi intel_uncore dell_smbios sparse_keymap snd_hda_core dcdbas
 wmi_bmof joydev snd_hwdep dell_wmi_descriptor snd_seq pcspkr snd_seq_device cfg80211 i2c_i801 snd_pcm i2c_smbus mei_me snd_timer snd lpc_ich mei soundcore parport_pc parport dell_smo8800 dell_rbtn rfkill zram ip_tables i915 i2c_algo_bit ttm drm_kms_helper crct10dif_pclmul crc32_pclmul sdhci_pci crc32c_intel cec cqhci sdhci ghash_clmulni_intel drm e1000e mmc_core serio_raw wmi video ipmi_devintf ipmi_msghandler fuse
CPU: 0 PID: 957 Comm: NetworkManager Tainted: G        W         5.16.5-200.fc35.x86_64 #1
Hardware name: Dell Inc. Latitude E7440/06MFX3, BIOS A27 10/09/2018
RIP: 0010:__iwl_trans_pcie_grab_nic_access+0x1eb/0x220 [iwlwifi]
Code: 48 89 ef e8 e7 b8 fe ff 4c 89 f7 e8 ff 22 2b d8 e9 e7 fe ff ff 89 c6 48 c7 c7 68 87 a2 c0 c6 05 d2 94 03 00 01 e8 91 72 23 d8 <0f> 0b e9 01 ff ff ff 48 8b 7d 38 48 c7 c2 d0 87 a2 c0 31 f6 e8 7c
RSP: 0018:ffffb70f40c63bc8 EFLAGS: 00010292
RAX: 000000000000003d RBX: 00000000000003d8 RCX: 0000000000000000
RDX: 0000000000000202 RSI: ffffffff99634c5d RDI: 00000000ffffffff
RBP: ffff893343f48028 R08: 0000000000000000 R09: ffffb70f40c63a08
R10: ffffb70f40c63a00 R11: ffffffff99f462a8 R12: 0000000000000001
R13: 0000000000000011 R14: ffff893343f4a8b4 R15: 0000000000000000
FS:  00007f9bffe63c80(0000) GS:ffff893456a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69c801c068 CR3: 000000011925e003 CR4: 00000000001706f0
Call Trace:
 <TASK>
 iwl_trans_pcie_grab_nic_access+0x1c/0x40 [iwlwifi]
 iwl_set_bits_prph+0x20/0x70 [iwlwifi]
 iwl_fw_dbg_stop_restart_recording.part.0+0x240/0x260 [iwlwifi]
 ? __cancel_work_timer+0xe1/0x160
 iwl_mvm_stop_device+0x36/0x70 [iwlmvm]
 __iwl_mvm_mac_stop+0x5c/0x110 [iwlmvm]
 iwl_mvm_mac_stop+0x6a/0x80 [iwlmvm]
 drv_stop+0x30/0xf0 [mac80211]
 ieee80211_do_stop+0x62f/0x840 [mac80211]
 ? preempt_count_add+0x68/0xa0
 ieee80211_stop+0x3d/0x170 [mac80211]
 __dev_close_many+0x8e/0xf0
 dev_close_many+0x7b/0x110
 dev_close+0x55/0x80
 cfg80211_shutdown_all_interfaces+0x45/0xe0 [cfg80211]
 cfg80211_rfkill_set_block+0x22/0x30 [cfg80211]
 rfkill_set_block+0x92/0x160 [rfkill]
 rfkill_fop_write+0x114/0x1c0 [rfkill]
 vfs_write+0xbc/0x2a0
 ksys_write+0x87/0xc0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9c00e5a84f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 88 f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc 88 f8 ff 48
RSP: 002b:00007ffca7edc180 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c00e5a84f
RDX: 0000000000000008 RSI: 00007ffca7edc1b8 RDI: 0000000000000019
RBP: 0000000000000019 R08: 0000000000000000 R09: 0000000000000009
R10: 0000000000000000 R11: 0000000000000293 R12: 0000557015cfa040
R13: 0000000000000000 R14: 0000557013d20881 R15: 0000000000000006
 </TASK>