[42416.262822] CPU: 2 PID: 6687 Comm: kworker/2:0 Tainted: P        W  OE    4.15.0-65-generic #74-Ubuntu
[42416.262822] Hardware name: LENOVO 80TV/Torronto 5C2, BIOS 3JCN19WW 08/10/2016
[42416.262837] Workqueue: events_freezable ieee80211_restart_work [mac80211]
[42416.262848] RIP: 0010:drv_stop+0x108/0x110 [mac80211]
[42416.262850] RSP: 0018:ffff9d1ac379fc28 EFLAGS: 00010282
[42416.262852] RAX: 0000000000000024 RBX: ffff89b9b0af8760 RCX: 0000000000000006
[42416.262853] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffff89b9bed16490
[42416.262854] RBP: ffff9d1ac379fc38 R08: 000000000000097a R09: 0000000000000004
[42416.262855] R10: ffff9d1ac379fc48 R11: 0000000000000001 R12: ffff89b9b0af8ff0
[42416.262856] R13: ffff89b9b0af8ee8 R14: ffff89b9b0af8760 R15: ffff89b9aaa81380
[42416.262857] FS:  0000000000000000(0000) GS:ffff89b9bed00000(0000) knlGS:0000000000000000
[42416.262858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[42416.262859] CR2: 000055a27ee75228 CR3: 000000005c80a004 CR4: 00000000003606e0
[42416.262860] Call Trace:
[42416.262877]  ieee80211_stop_device+0x43/0x50 [mac80211]
[42416.262892]  ieee80211_do_stop+0x4d4/0x830 [mac80211]
[42416.262896]  ? qdisc_reset+0x2b/0x70
[42416.262909]  ieee80211_stop+0x1a/0x20 [mac80211]
[42416.262911]  __dev_close_many+0xa5/0x110
[42416.262913]  dev_close_many+0x8c/0x140
[42416.262915]  dev_close.part.88+0x4a/0x70
[42416.262917]  dev_close+0x19/0x20
[42416.262931]  cfg80211_shutdown_all_interfaces+0x77/0xc0 [cfg80211]
[42416.262948]  ieee80211_handle_reconfig_failure+0x98/0xb0 [mac80211]
[42416.262966]  ieee80211_reconfig+0x236/0x11b0 [mac80211]
[42416.262980]  ieee80211_restart_work+0xbb/0xf0 [mac80211]
[42416.262983]  process_one_work+0x1de/0x420
[42416.262985]  worker_thread+0x32/0x410
[42416.262987]  kthread+0x121/0x140
[42416.262989]  ? process_one_work+0x420/0x420
[42416.262991]  ? kthread_create_worker_on_cpu+0x70/0x70
[42416.262993]  ret_from_fork+0x35/0x40
[42416.262998] Code: 49 8b 7c 24 08 49 83 c4 18 48 89 de e8 72 d6 e6 f9 49 8b 04 24 48 85 c0 75 e6 e9 42 ff ff ff 48 c7 c7 c0 ed c0 c0 e8 38 d4 35 f9 <0f> 0b 5b 41 5c 5d c3 90 0f 1f 44 00 00 55 48 89 e5 41 56 41 55
[42416.263033] ---[ end trace 61d26a8cb212c21f ]---
[42416.368471] iwlwifi 0000:02:00.0: loaded firmware version 29.1044073957.0 op_mode iwlmvm
[42416.368490] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 3165, REV=0x210
[42416.391049] iwlwifi 0000:02:00.0: base HW address: 68:07:15:4d:4d:15
[42416.603913] iwlwifi 0000:02:00.0: Microcode SW error detected.  Restarting 0x2000000.
[42416.604171] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
[42416.604180] iwlwifi 0000:02:00.0: Status: 0x00000100, count: 6
[42416.604187] iwlwifi 0000:02:00.0: Loaded firmware version: 29.1044073957.0
[42416.604194] iwlwifi 0000:02:00.0: 0x00000034 | NMI_INTERRUPT_WDG
[42416.604201] iwlwifi 0000:02:00.0: 0x000002F0 | trm_hw_status0
[42416.604207] iwlwifi 0000:02:00.0: 0x00000000 | trm_hw_status1
[42416.604213] iwlwifi 0000:02:00.0: 0x00041702 | branchlink2
[42416.604218] iwlwifi 0000:02:00.0: 0x00044696 | interruptlink1
[42416.604224] iwlwifi 0000:02:00.0: 0x0000C67A | interruptlink2
[42416.604230] iwlwifi 0000:02:00.0: 0x00000000 | data1
[42416.604235] iwlwifi 0000:02:00.0: 0x00000002 | data2
[42416.604241] iwlwifi 0000:02:00.0: 0x07030000 | data3
[42416.604247] iwlwifi 0000:02:00.0: 0x00000000 | beacon time
[42416.604252] iwlwifi 0000:02:00.0: 0x0003609B | tsf low
[42416.604258] iwlwifi 0000:02:00.0: 0x00000000 | tsf hi
[42416.604264] iwlwifi 0000:02:00.0: 0x00000000 | time gp1
[42416.604270] iwlwifi 0000:02:00.0: 0x0003609B | time gp2
[42416.604275] iwlwifi 0000:02:00.0: 0x00000009 | uCode revision type
[42416.604282] iwlwifi 0000:02:00.0: 0x0000001D | uCode version major
[42416.604288] iwlwifi 0000:02:00.0: 0x3E3B4DE5 | uCode version minor
[42416.604293] iwlwifi 0000:02:00.0: 0x00000210 | hw version
[42416.604299] iwlwifi 0000:02:00.0: 0x00C89200 | board version
[42416.604305] iwlwifi 0000:02:00.0: 0x0012016A | hcmd
[42416.604311] iwlwifi 0000:02:00.0: 0x02023080 | isr0
[42416.604316] iwlwifi 0000:02:00.0: 0x00000000 | isr1
[42416.604322] iwlwifi 0000:02:00.0: 0x00000002 | isr2
[42416.604327] iwlwifi 0000:02:00.0: 0x004000C0 | isr3
[42416.604332] iwlwifi 0000:02:00.0: 0x00000080 | isr4
[42416.604338] iwlwifi 0000:02:00.0: 0x0012016A | last cmd Id
[42416.604344] iwlwifi 0000:02:00.0: 0x00000000 | wait_event
[42416.604349] iwlwifi 0000:02:00.0: 0x00000080 | l2p_control
[42416.604355] iwlwifi 0000:02:00.0: 0x00000000 | l2p_duration
[42416.604361] iwlwifi 0000:02:00.0: 0x00000000 | l2p_mhvalid
[42416.604366] iwlwifi 0000:02:00.0: 0x00000000 | l2p_addr_match
[42416.604372] iwlwifi 0000:02:00.0: 0x00000007 | lmpm_pmg_sel
[42416.604377] iwlwifi 0000:02:00.0: 0x14031202 | timestamp
[42416.604383] iwlwifi 0000:02:00.0: 0x00341020 | flow_handler
[42416.604423] iwlwifi 0000:02:00.0: Failed to run INIT calibrations: -5
[42416.618796] iwlwifi 0000:02:00.0: Failed to run INIT ucode: -5