<< Solved >> Invalid waitq on boot/power-off with IO80211Family

[kino1998]

Hi,
now I have almost a full working laptop with High Sierra, but sometimes (1/2 times) i have issue with boot/power-off because of kernel panic.
The kernel panic log say:

Anonymous UUID:       C1CF5EBB-A2AD-C50A-DD0F-12C9175491EC

Thu Jan 30 21:32:50 2020

*** Panic Report ***
panic(cpu 3 caller 0xffffff8012ab51c4): "Invalid waitq: 0xffffff8049c90dc8"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-4570.71.2/osfmk/kern/waitq.c:4979
Backtrace (CPU 3), Frame : Return Address
0xffffff921373b950 : 0xffffff8012a6c1c6 mach_kernel : _handle_debugger_trap + 0x4c6
0xffffff921373b9a0 : 0xffffff8012b95274 mach_kernel : _kdp_i386_trap + 0x114
0xffffff921373b9e0 : 0xffffff8012b87544 mach_kernel : _kernel_trap + 0x4e4
0xffffff921373ba50 : 0xffffff8012a1e1e0 mach_kernel : _return_from_trap + 0xe0
0xffffff921373ba70 : 0xffffff8012a6bc3c mach_kernel : _panic_trap_to_debugger + 0x21c
0xffffff921373bba0 : 0xffffff8012a6b9fc mach_kernel : _panic + 0x5c
0xffffff921373bc00 : 0xffffff8012ab51c4 mach_kernel : _waitq_wakeup64_all + 0x44
0xffffff921373bc40 : 0xffffff8012f4a065 mach_kernel : _selwakeup + 0x35
0xffffff921373bc60 : 0xffffff7f95507169 com.apple.iokit.IO80211Family : __wake_write_sleepers + 0x3d
0xffffff921373bc90 : 0xffffff7f955076c4 com.apple.iokit.IO80211Family : _cdev_read + 0x244
0xffffff921373bcd0 : 0xffffff8012cd6a1b mach_kernel : _spec_read + 0x29b
0xffffff921373bd60 : 0xffffff8012ccc4ea mach_kernel : _VNOP_READ + 0x6a
0xffffff921373bdd0 : 0xffffff8012cbe73c mach_kernel : _utf8_normalizestr + 0x40c
0xffffff921373be40 : 0xffffff8012f46f65 mach_kernel : _preparefileread + 0x215
0xffffff921373bee0 : 0xffffff8012f46d03 mach_kernel : _read_nocancel + 0x73
0xffffff921373bf40 : 0xffffff8013003968 mach_kernel : _unix_syscall64 + 0x268
0xffffff921373bfa0 : 0xffffff8012a1e9c6 mach_kernel : _hndl_unix_scall64 + 0x16
      Kernel Extensions in backtrace:
         com.apple.iokit.IO80211Family(730.60)[FF170A59-6AC0-3DB7-802D-B0796B2E9FE6]@0xffffff7f954ff000->0xffffff7f955a9fff
            dependency: com.apple.iokit.IONetworkingFamily(3.4)[5A99D802-B477-3D83-9F76-304605479B9F]@0xffffff7f93910000
            dependency: com.apple.kec.corecrypto(1.0)[B081B8C1-1DFF-342F-8DF2-C3AA925ECA3A]@0xffffff7f93587000

BSD process name corresponding to current thread: airportd
Boot args: -v dart=0 nv_disable=1 kext-dev-mode=1 keepsyms=1 debug=0x100 igfxcflbklt=1 brcmfx-country=#a bpr_probedelay=200 bpr_initialdelay=400 bpr_postresetdelay=400

Mac OS version:
17G66

Kernel version:
Darwin Kernel Version 17.7.0: Thu Jun 21 22:53:14 PDT 2018; root:xnu-4570.71.2~1/RELEASE_X86_64
Kernel UUID: 1AE5ACFD-3B6F-3D74-AD52-31F1430DBC6F
Kernel slide:     0x0000000012800000
Kernel text base: 0xffffff8012a00000
__HIB  text base: 0xffffff8012900000
System model name: MacBookPro14,1 (Mac-B4831CEBD52A0C4C)

System uptime in nanoseconds: 36997925459
last loaded kext at 36237315272: com.apple.driver.AGPM    110.23.37 (addr 0xffffff7f94d87000, size 131072)
loaded kexts:
(none)

EOF
Model: MacBookPro14,1, BootROM 203.0.0.0.0, 6 processors, 2,59 GHz, 16 GB, SMC 2.43f6
Graphics: Intel HD Graphics CFL CRB, Intel HD Graphics CFL CRB, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, DDR4, 2667 MHz, SK Hynix, HMA81GS6JJR8N-VK
Memory Module: BANK 1/DIMM0, 8 GB, DDR4, 2667 MHz, SK Hynix, HMA81GS6JJR8N-VK
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x75A), Broadcom BCM43xx 1.0 (7.15.166.24.3)
Bluetooth: Version 6.0.7f10, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en2
Serial ATA Device: KINGSTON SV300S37A120G, 120,03 GB
USB Device: USB 3.1 Bus
USB Device: HP Wide Vision HD Camera
USB Device: BCM20702A0
USB Device: SABRENT
Thunderbolt Bus:

I have this wifi m2 board: BCM94350ZAE (Lenovo 00jt494)
I don't know how to fix this problem, if someone can help me please I will be thankful.
(I also have problem with backlight at boot, they stay off for 3 minutes and than starts, the IGPU is an UHD 630, CPU i7 9750h)

 

[kino1998]

Switched to Mojave and no more kernel panic.