Archer T2U WLAN USB Adapter not working

bibsch · Jul 8th 2019

Code

bibpi:~ # uname -a
Linux bibpi 5.0.7 #1 SMP Mon Apr 15 22:04:42 BST 2019 armv7l GNU/Linux

Code

bibpi:~ # lsusb
Bus 001 Device 005: ID 045e:028e Microsoft Corp. Xbox360 Controller
Bus 001 Device 004: ID 148f:761a Ralink Technology, Corp. MT7610U ("Archer T2U" 2.4G+5G WLAN Adapter
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Code

bibpi:~ # lsmod
Module                  Size  Used by
hci_uart               45056  1
btbcm                  16384  1 hci_uart
serdev                 20480  1 hci_uart
bluetooth             434176  23 hci_uart,btbcm
ecdh_generic           28672  2 bluetooth
mt76x0u                20480  1
mt76x0_common          45056  1 mt76x0u
mt76x02_usb            16384  1 mt76x0u
mt76_usb               28672  2 mt76x02_usb,mt76x0u
mt76x02_lib            53248  3 mt76x0_common,mt76x02_usb,mt76x0u
mt76                   40960  5 mt76_usb,mt76x0_common,mt76x02_lib,mt76x02_usb,mt76x0u
mac80211              544768  5 mt76_usb,mt76,mt76x0_common,mt76x02_lib,mt76x0u
brcmfmac              262144  0
brcmutil               20480  1 brcmfmac
cfg80211              532480  5 mt76,mac80211,mt76x02_lib,mt76x02_usb,brcmfmac
fixed                  20480  0
xpad                   36864  0
rfkill                 24576  5 bluetooth,cfg80211
bcm2835_gpiomem        16384  0

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Code

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.0.7 ([email protected]) (gcc version 8.3.0 (GCC)) #1 SMP Mon Apr 15 22:04:42 BST 2019
[    0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: Raspberry Pi 3 Model B Rev 1.2
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] cma: Reserved 8 MiB at 0x2f800000
[    0.000000] On node 0 totalpages: 196608
[    0.000000]   Normal zone: 1728 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 196608 pages, LIFO batch:63
[    0.000000] random: get_random_bytes called from start_kernel+0xb0/0x4a4 with crng_init=0
[    0.000000] percpu: Embedded 18 pages/cpu @(ptrval) s41100 r8192 d24436 u73728
[    0.000000] pcpu-alloc: s41100 r8192 d24436 u73728 alloc=18*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 194880
[    0.000000] Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1200 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  boot=UUID=2306-0345 disk=UUID=7036b24c-981f-4c21-8d0b-d979be81f64e quiet root=/dev/ram0 rdinit=/init usbcore.autosuspend=-1
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 754572K/786432K available (9216K kernel code, 672K rwdata, 2032K rodata, 3072K init, 528K bss, 23668K reserved, 8192K cma-reserved)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xb0800000 - 0xff800000   (1264 MB)
[    0.000000]     lowmem  : 0x80000000 - 0xb0000000   ( 768 MB)
[    0.000000]     modules : 0x7f000000 - 0x80000000   (  16 MB)
[    0.000000]       .text : 0x(ptrval) - 0x(ptrval)   (10208 kB)
[    0.000000]       .init : 0x(ptrval) - 0x(ptrval)   (3072 kB)
[    0.000000]       .data : 0x(ptrval) - 0x(ptrval)   ( 673 kB)
[    0.000000]        .bss : 0x(ptrval) - 0x(ptrval)   ( 529 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 29657 entries in 58 pages
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 30 jiffies.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[    0.000007] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[    0.000018] Switching to timer-based delay loop, resolution 52ns
[    0.000267] Console: colour dummy device 80x30
[    0.000292] printk: console [tty0] enabled
[    0.000345] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.00 BogoMIPS (lpj=64000)
[    0.000364] pid_max: default: 32768 minimum: 301
[    0.000609] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000627] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.001990] Disabling memory control group subsystem
[    0.002030] CPU: Testing write buffer coherency: ok
[    0.002539] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.003424] Setting up static identity map for 0x100000 - 0x10003c
[    0.003605] rcu: Hierarchical SRCU implementation.
[    0.006192] smp: Bringing up secondary CPUs ...
[    0.007234] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.008330] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.009378] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.009535] smp: Brought up 1 node, 4 CPUs
[    0.009550] SMP: Total of 4 processors activated (153.00 BogoMIPS).
[    0.009559] CPU: All CPU(s) started in HYP mode.
[    0.009568] CPU: Virtualization extensions available.
[    0.010559] devtmpfs: initialized
[    0.023182] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[    0.023461] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370867519511994 ns
[    0.023486] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.024095] pinctrl core: initialized pinctrl subsystem
[    0.025128] NET: Registered protocol family 16
[    0.028861] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.034053] cpuidle: using governor ladder
[    0.034097] cpuidle: using governor menu
[    0.034639] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.034651] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.034875] Serial: AMBA PL011 UART driver
[    0.038839] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[    0.079861] bcm2835-dma 3f007000.dma: DMA legacy API manager at (ptrval), dmachans=0x1
[    0.081933] SCSI subsystem initialized
[    0.082179] usbcore: registered new interface driver usbfs
[    0.082242] usbcore: registered new interface driver hub
[    0.082353] usbcore: registered new device driver usb
[    0.087053] raspberrypi-firmware soc:firmware: Attached to firmware from 2019-03-27 15:48, variant start_x
[    0.091292] raspberrypi-firmware soc:firmware: Firmware hash is 2e98b31d18547962e564bdf88e57b3df7085c29b
[    0.095277] clocksource: Switched to clocksource arch_sys_counter
[    1.112716] FS-Cache: Loaded
[    1.123733] NET: Registered protocol family 2
[    1.124442] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
[    1.124486] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    1.124600] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    1.124790] TCP: Hash tables configured (established 8192 bind 8192)
[    1.124945] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    1.124996] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    1.125389] NET: Registered protocol family 1
[    1.126086] RPC: Registered named UNIX socket transport module.
[    1.126096] RPC: Registered udp transport module.
[    1.126106] RPC: Registered tcp transport module.
[    1.126115] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.278708] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[    1.282379] Initialise system trusted keyrings
[    1.282594] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[    1.292944] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    1.293752] FS-Cache: Netfs 'nfs' registered for caching
[    1.294484] NFS: Registering the id_resolver key type
[    1.294517] Key type id_resolver registered
[    1.294527] Key type id_legacy registered
[    1.294547] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    1.295042] FS-Cache: Netfs 'cifs' registered for caching
[    1.309016] Key type asymmetric registered
[    1.309031] Asymmetric key parser 'x509' registered
[    1.309111] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    1.309124] io scheduler mq-deadline registered
[    1.309135] io scheduler kyber registered
[    1.309366] io scheduler bfq registered
[    1.314197] BCM2708FB: allocated DMA memory ef850000
[    1.314236] BCM2708FB: allocated DMA channel 0 @ (ptrval)
[    1.379421] Console: switching to colour frame buffer device 240x75
[    1.422200] bcm2835-rng 3f104000.rng: hwrng registered
[    1.422454] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    1.423106] vc-sm: Videocore shared memory driver
[    1.435974] brd: module loaded
[    1.436122] loop: module loaded
[    1.460662] usbcore: registered new interface driver rtsx_usb
[    1.460676] Loading iSCSI transport class v2.0-870.
[    1.461147] iscsi: registered transport (tcp)
[    1.461679] libphy: Fixed MDIO Bus: probed
[    1.461725] tun: Universal TUN/TAP device driver, 1.6
[    1.462042] usbcore: registered new interface driver lan78xx
[    1.462099] usbcore: registered new interface driver dm9601
[    1.462163] usbcore: registered new interface driver smsc95xx
[    1.462211] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.490239] dwc_otg 3f980000.usb: base=0xf0980000
[    1.690580] Core Release: 2.80a
[    1.690593] Setting default values for core params
[    1.690625] Finished setting default values for core params
[    1.890982] Using Buffer DMA mode
[    1.890994] Periodic Transfer Interrupt Enhancement - disabled
[    1.891004] Multiprocessor Interrupt Enhancement - disabled
[    1.891015] OTG VER PARAM: 0, OTG VER FLAG: 0
[    1.891039] Dedicated Tx FIFOs mode
[    1.891601] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xaf844000 dma = 0xef844000 len=9024
[    1.891632] FIQ FSM acceleration enabled for :
[    1.891632] Non-periodic Split Transactions
[    1.891632] Periodic Split Transactions
[    1.891632] High-Speed Isochronous Endpoints
[    1.891632] Interrupt/Control Split Transaction hack enabled
[    1.891644] dwc_otg: Microframe scheduler enabled
[    1.891710] WARN::hcd_init_fiq:459: FIQ on core 1 at 0x8072fd10
[    1.891720] WARN::hcd_init_fiq:460: FIQ ASM at 0x80730074 length 36
[    1.891731] WARN::hcd_init_fiq:486: MPHI regs_base at 0xf0006000
[    1.891820] dwc_otg 3f980000.usb: DWC OTG Controller
[    1.891859] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[    1.891904] dwc_otg 3f980000.usb: irq 56, io mem 0x00000000
[    1.891988] Init: Port Power? op_state=1
[    1.891997] Init: Power Port (0)
[    1.892358] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.00
[    1.892373] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.892387] usb usb1: Product: DWC OTG Controller
[    1.892400] usb usb1: Manufacturer: Linux 5.0.7 dwc_otg_hcd
[    1.892413] usb usb1: SerialNumber: 3f980000.usb
[    1.893110] hub 1-0:1.0: USB hub found
[    1.893188] hub 1-0:1.0: 1 port detected
[    1.893944] dwc_otg: FIQ enabled
[    1.893954] dwc_otg: NAK holdoff enabled
[    1.893963] dwc_otg: FIQ split-transaction FSM enabled
[    1.893978] Module dwc_common_port init
[    1.894304] usbcore: registered new interface driver usb-storage
[    1.894502] mousedev: PS/2 mouse device common for all mice
[    1.894932] i2c /dev entries driver
[    1.896913] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
[    1.897320] bcm2835-cpufreq: min=600000 max=1200000
[    1.898037] sdhci: Secure Digital Host Controller Interface driver
[    1.898047] sdhci: Copyright(c) Pierre Ossman
[    1.898733] mmc-bcm2835 3f300000.mmc: could not get clk, deferring probe
[    1.899349] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe
[    1.899532] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.901370] ledtrig-cpu: registered to indicate activity on CPUs
[    1.901486] hidraw: raw HID events driver (C) Jiri Kosina
[    1.903010] usbcore: registered new interface driver usbhid
[    1.903015] usbhid: USB HID core driver
[    1.903585] vchiq: vchiq_init_state: slot_zero = (ptrval)
[    1.904828] [vc_sm_connected_init]: start
[    1.912841] [vc_sm_connected_init]: end - returning 0
[    1.914612] NET: Registered protocol family 10
[    1.915840] Segment Routing with IPv6
[    1.915943] NET: Registered protocol family 17
[    1.916072] Key type dns_resolver registered
[    1.916422] Registering SWP/SWPB emulation handler
[    1.917160] Loading compiled-in X.509 certificates
[    1.926202] uart-pl011 3f201000.serial: cts_event_workaround enabled
[    1.926306] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2
[    1.929072] mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0
[    1.929089] mmc-bcm2835 3f300000.mmc: DMA channel allocated
[    1.955692] sdhost: log_buf @ (ptrval) (ef847000)
[    1.993194] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.994824] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.996471] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.999425] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    2.003727] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[    2.005552] printk: console [netcon0] enabled
[    2.005561] netconsole: network logging started
[    2.005572] of_cfs_init
[    2.005596] of_cfs_init: OK
[    2.015936] Freeing unused kernel memory: 3072K
[    2.038867] Run /init as init process
[    2.080067] random: fast init done
[    2.098764] Indeed it is in host mode hprt0 = 00021501
[    2.158872] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.163069] mmc0: new high speed SDHC card at address aaaa
[    2.164240] mmcblk0: mmc0:aaaa SL32G 29.7 GiB
[    2.166696]  mmcblk0: p1 p2
[    2.187206] mmc1: new high speed SDIO card at address 0001
[    2.281958] usb 1-1: new high-speed USB device number 2 using dwc_otg
[    2.282056] Indeed it is in host mode hprt0 = 00001101
[    2.482288] usb 1-1: New USB device found, idVendor=0424, idProduct=9514, bcdDevice= 2.00
[    2.482303] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    2.482999] hub 1-1:1.0: USB hub found
[    2.483107] hub 1-1:1.0: 5 ports detected
[    2.761985] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[    2.852275] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00, bcdDevice= 2.00
[    2.852292] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    2.854951] smsc95xx v1.0.6
[    2.909666] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:b0:f3:4b
[    2.981993] usb 1-1.2: new high-speed USB device number 4 using dwc_otg
[    3.087386] usb 1-1.2: New USB device found, idVendor=148f, idProduct=761a, bcdDevice= 1.00
[    3.087401] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    3.087414] usb 1-1.2: Product: WiFi
[    3.087427] usb 1-1.2: Manufacturer: MediaTek
[    3.087440] usb 1-1.2: SerialNumber: 1.0
[    3.295333] usb 1-1.5: new full-speed USB device number 5 using dwc_otg
[    3.426878] usb 1-1.5: New USB device found, idVendor=045e, idProduct=028e, bcdDevice= 1.14
[    3.426890] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    3.426899] usb 1-1.5: Product: Controller
[    3.426906] usb 1-1.5: Manufacturer: ©Microsoft Corporation
[    3.426912] usb 1-1.5: SerialNumber: 072B53E
[    3.670105] EXT4-fs (mmcblk0p2): recovery complete
[    3.744642] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    4.270942] systemd[1]: System time before build time, advancing clock.
[    4.280222] systemd[1]: systemd 8.95.002-670-gbcf6a8e+ running in system mode. (-PAM -AUDIT -SELINUX -IMA -APPARMOR -SMACK +SYSVINIT -UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS -ACL -XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN2 -IDN -PCRE2 default-hierarchy=hybrid)
[    4.280716] systemd[1]: Detected architecture arm.
[    4.283201] systemd[1]: Set hostname to <LibreELEC>.
[    4.472490] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
[    4.472580] random: systemd: uninitialized urandom read (16 bytes read)
[    4.473264] systemd[1]: Listening on Journal Socket (/dev/log).
[    4.473535] random: systemd: uninitialized urandom read (16 bytes read)
[    4.473874] systemd[1]: Listening on udev Control Socket.
[    4.474048] systemd[1]: Condition check resulted in Debug Shell on /dev/console being skipped.
[    4.474104] random: systemd: uninitialized urandom read (16 bytes read)
[    4.474266] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    4.474495] systemd[1]: Listening on initctl Compatibility Named Pipe.
[    4.474884] systemd[1]: Listening on Journal Socket.
[    4.564267] kernel-overlays-setup: setup base modules
[    4.625041] kernel-overlays-setup: added modules from /usr/lib/kernel-overlays/base/lib/modules/5.0.7
[    4.663601] kernel-overlays-setup: added firmware from /usr/lib/kernel-overlays/base/lib/firmware
[    4.663783] kernel-overlays-setup: adding overlays from /storage/.cache/kernel-overlays
[    4.669621] kernel-overlays-setup: done
[    4.903512] systemd-journald[230]: Received request to flush runtime journal from PID 1
[    5.463834] random: crng init done
[    5.463847] random: 7 urandom warning(s) missed due to ratelimiting
[    6.555577] Console: switching to colour dummy device 80x30
[    6.706800] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[    6.788220] input: Microsoft X-Box 360 pad as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5/1-1.5:1.0/input/input0
[    6.788678] usbcore: registered new interface driver xpad
[    7.059180] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    7.088835] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    7.164584] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[    7.176969] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[    7.177359] usbcore: registered new interface driver brcmfmac
[    7.243025] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt failed with error -2
[    7.460145] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[    7.460253] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[    7.460889] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f
[    7.472057] usb 1-1.2: reset high-speed USB device number 4 using dwc_otg
[    7.533699] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[    7.570679] mt76x0u 1-1.2:1.0: ASIC revision: 76100002 MAC revision: 76502000
[    7.571729] Unable to handle kernel NULL pointer dereference at virtual address 00000050
[    7.571741] pgd = f5db6a8e
[    7.571747] [00000050] *pgd=2d9bd835, *pte=00000000, *ppte=00000000
[    7.571765] Internal error: Oops: 17 [#1] SMP ARM
[    7.571784] Modules linked in: mt76x0u(+) mt76x0_common mt76x02_usb mt76_usb mt76x02_lib mt76 mac80211 brcmfmac brcmutil cfg80211 fixed xpad rfkill bcm2835_gpiomem
[    7.571829] CPU: 1 PID: 279 Comm: systemd-udevd Not tainted 5.0.7 #1
[    7.571839] Hardware name: BCM2835
[    7.571856] PC is at mt76u_buf_free+0x1c/0x9c [mt76_usb]
[    7.571868] LR is at mt76u_mcu_deinit+0x30/0xcb0 [mt76_usb]
[    7.571879] pc : [<7f40d6e4>]    lr : [<7f40f380>]    psr: 600e0013
[    7.571889] sp : ad84fb98  ip : ad84fbc0  fp : ad84fbbc
[    7.571899] r10: 00000000  r9 : 7f4320f8  r8 : ffffffea
[    7.571909] r7 : 00000000  r6 : acfdde50  r5 : acfdc480  r4 : acfdce20
[    7.571921] r3 : 98215fe1  r2 : 98215fe1  r1 : 00000000  r0 : acfdde50
[    7.571935] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[    7.571947] Control: 10c5383d  Table: 2eb8c06a  DAC: 00000055
[    7.571959] Process systemd-udevd (pid: 279, stack limit = 0x08211aee)
[    7.571970] Stack: (0xad84fb98 to 0xad850000)
[    7.571980] fb80:                                                       acfdce20 acfdc480
[    7.571996] fba0: 000001f4 ad821400 ffffffea 7f4320f8 ad84fbd4 ad84fbc0 7f40f380 7f40d6d4
[    7.572011] fbc0: acfdce20 acfdc480 ad84fbec ad84fbd8 7f42f1d0 7f40f35c acfdce20 acfdc480
[    7.572026] fbe0: ad84fc14 ad84fbf0 7f42f72c 7f42f194 ad821420 ad821400 ad8cec00 7f432034
[    7.572043] fc00: 00000000 7f4320f8 ad84fc44 ad84fc18 806ff560 7f42f538 806ff480 ad821420
[    7.572058] fc20: 80fffcb8 80fffcbc 00000000 00000000 7f432034 00000015 ad84fc7c ad84fc48
[    7.572076] fc40: 806614b0 806ff48c 7f432380 80f08c88 ad84fc7c ad821420 7f432034 7f432034
[    7.572095] fc60: 806619e0 7f432380 80f08c88 ad84ff38 ad84fcb4 ad84fc80 80661988 8066129c
[    7.572113] fc80: 8095a698 8017ed8c ad821454 ad821454 ad821420 ad821454 7f432034 806619e0
[    7.572132] fca0: 7f432380 80f08c88 ad84fcd4 ad84fcb8 80661ae8 80661820 ad927ab4 80f08c88
[    7.572150] fcc0: 7f432034 806619e0 ad84fd04 ad84fcd8 8065f164 806619ec ad84fd10 aeac5358
[    7.572169] fce0: ad927ab4 98215fe1 7f432034 80f760c4 ae115b80 00000000 ad84fd14 ad84fd08
[    7.572188] fd00: 80660cfc 8065f0ec ad84fd3c ad84fd18 80660628 80660cdc 7f4302bc ad84fd28
[    7.572207] fd20: 7f432034 80f760c4 7f432034 7f4302bc ad84fd54 ad84fd40 80662344 806604c4
[    7.572225] fd40: 7f432000 80f760c4 ad84fd7c ad84fd58 806fe358 806622cc 7f432380 7f435000
[    7.572243] fd60: 80f08c88 00000000 7f432380 80f08c88 ad84fd8c ad84fd80 7f435030 806fe2e4
[    7.572262] fd80: ad84fe04 ad84fd90 80102fdc 7f43500c 80263440 8095a698 00000000 00000002
[    7.572280] fda0: ad84fdc4 ad84fdb0 8095a698 8017ed8c 006000c0 8029ad28 ad84fe04 ad84fdc8
[    7.572299] fdc0: 8029ad28 8026e82c 00000001 80289568 00000001 a8932d00 a7903d80 98215fe1
[    7.572317] fde0: 00000002 7f432380 00000002 a8932cc0 a8932c00 7f432380 ad84fe2c ad84fe08
[    7.572336] fe00: 801a6d98 80102f98 ad84fe2c ad84fe18 00000002 00000002 a8932bc0 a8932c00
[    7.572354] fe20: ad84ff14 ad84fe30 801a94d4 801a6d30 7f43238c 00007fff 7f432380 801a6248
[    7.572372] fe40: 00003e60 80f08c88 80b15ad4 80b15ae8 80b15b10 80b15ac8 80baefbc 80a05ca0
[    7.572391] fe60: 7f4324b0 7f432558 00000000 801a54c4 7f4323c8 a8932bc8 ad84fe9c ad84fe88
[    7.572409] fe80: 802b18a8 802b1758 00003e60 00000000 00000000 00000000 00000000 00000000
[    7.572427] fea0: 00000000 00000000 3637746d 5f323078 0062696c 00000000 00000000 00000000
[    7.572445] fec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    7.572463] fee0: 00000000 98215fe1 7fffffff 80f08c88 00000000 00000015 76d94dbd 801011c4
[    7.572482] ff00: ad84e000 0000017b ad84ffa4 ad84ff18 801a99d8 801a7040 7fffffff 00000000
[    7.572500] ff20: 00000003 ad84ff24 ad84ff24 b352b000 00003e60 00000000 b352c2ff b352c940
[    7.572518] ff40: b352b000 00003e60 b352e960 b352e840 b352d7bc 00004000 00004110 7f4322c0
[    7.572536] ff60: 00000005 00000000 000025bc 0000001d 0000001e 00000017 00000000 0000000d
[    7.572556] ff80: 00000000 98215fe1 00020000 00000000 00000000 0000017b 00000000 ad84ffa8
[    7.572574] ffa0: 80101000 801a9924 00020000 00000000 00000015 76d94dbd 00000000 01fa71c0
[    7.572592] ffc0: 00020000 00000000 00000000 0000017b 01fa53e0 01fa71c0 00000000 00020000
[    7.572611] ffe0: 7ecfc2e0 7ecfc2d0 76d8ee88 76cb20d0 600d0010 00000015 00000000 00000000
[    7.572625] Backtrace: 
[    7.572643] [<7f40d6c8>] (mt76u_buf_free [mt76_usb]) from [<7f40f380>] (mt76u_mcu_deinit+0x30/0xcb0 [mt76_usb])
[    7.572667]  r9:7f4320f8 r8:ffffffea r7:ad821400 r6:000001f4 r5:acfdc480 r4:acfdce20
[    7.572697] [<7f40f350>] (mt76u_mcu_deinit [mt76_usb]) from [<7f42f1d0>] (mt76x0u_cleanup+0x48/0x4c [mt76x0u])
[    7.572715]  r5:acfdc480 r4:acfdce20
[    7.572735] [<7f42f188>] (mt76x0u_cleanup [mt76x0u]) from [<7f42f72c>] (mt76x0u_probe+0x200/0x228 [mt76x0u])
[    7.572753]  r5:acfdc480 r4:acfdce20
[    7.572780] [<7f42f52c>] (mt76x0u_probe [mt76x0u]) from [<806ff560>] (usb_probe_interface+0xe0/0x28c)
[    7.572801]  r9:7f4320f8 r8:00000000 r7:7f432034 r6:ad8cec00 r5:ad821400 r4:ad821420
[    7.572825] [<806ff480>] (usb_probe_interface) from [<806614b0>] (really_probe+0x220/0x3f0)
[    7.572844]  r10:00000015 r9:7f432034 r8:00000000 r7:00000000 r6:80fffcbc r5:80fffcb8
[    7.572860]  r4:ad821420 r3:806ff480
[    7.572875] [<80661290>] (really_probe) from [<80661988>] (driver_probe_device+0x174/0x1cc)
[    7.572894]  r10:ad84ff38 r9:80f08c88 r8:7f432380 r7:806619e0 r6:7f432034 r5:7f432034
[    7.572908]  r4:ad821420
[    7.572924] [<80661814>] (driver_probe_device) from [<80661ae8>] (__driver_attach+0x108/0x130)
[    7.572943]  r9:80f08c88 r8:7f432380 r7:806619e0 r6:7f432034 r5:ad821454 r4:ad821420
[    7.572964] [<806619e0>] (__driver_attach) from [<8065f164>] (bus_for_each_dev+0x84/0xc4)
[    7.572981]  r7:806619e0 r6:7f432034 r5:80f08c88 r4:ad927ab4
[    7.572997] [<8065f0e0>] (bus_for_each_dev) from [<80660cfc>] (driver_attach+0x2c/0x30)
[    7.573014]  r7:00000000 r6:ae115b80 r5:80f760c4 r4:7f432034
[    7.573031] [<80660cd0>] (driver_attach) from [<80660628>] (bus_add_driver+0x170/0x260)
[    7.573052] [<806604b8>] (bus_add_driver) from [<80662344>] (driver_register+0x84/0x118)
[    7.573069]  r7:7f4302bc r6:7f432034 r5:80f760c4 r4:7f432034
[    7.573086] [<806622c0>] (driver_register) from [<806fe358>] (usb_register_driver+0x80/0x13c)
[    7.573102]  r5:80f760c4 r4:7f432000
[    7.573121] [<806fe2d8>] (usb_register_driver) from [<7f435030>] (mt76x0_driver_init+0x30/0x1000 [mt76x0u])
[    7.573141]  r9:80f08c88 r8:7f432380 r7:00000000 r6:80f08c88 r5:7f435000 r4:7f432380
[    7.573170] [<7f435000>] (mt76x0_driver_init [mt76x0u]) from [<80102fdc>] (do_one_initcall+0x50/0x220)
[    7.573195] [<80102f8c>] (do_one_initcall) from [<801a6d98>] (do_init_module+0x74/0x244)
[    7.573212]  r8:7f432380 r7:a8932c00 r6:a8932cc0 r5:00000002 r4:7f432380
[    7.573228] [<801a6d24>] (do_init_module) from [<801a94d4>] (load_module+0x24a0/0x2738)
[    7.573245]  r7:a8932c00 r6:a8932bc0 r5:00000002 r4:00000002
[    7.573259] [<801a7034>] (load_module) from [<801a99d8>] (sys_finit_module+0xc0/0x110)
[    7.573277]  r10:0000017b r9:ad84e000 r8:801011c4 r7:76d94dbd r6:00000015 r5:00000000
[    7.573292]  r4:80f08c88
[    7.573305] [<801a9918>] (sys_finit_module) from [<80101000>] (ret_fast_syscall+0x0/0x28)
[    7.573321] Exception stack(0xad84ffa8 to 0xad84fff0)
[    7.573334] ffa0:                   00020000 00000000 00000015 76d94dbd 00000000 01fa71c0
[    7.573353] ffc0: 00020000 00000000 00000000 0000017b 01fa53e0 01fa71c0 00000000 00020000
[    7.573369] ffe0: 7ecfc2e0 7ecfc2d0 76d8ee88 76cb20d0
[    7.573383]  r7:0000017b r6:00000000 r5:00000000 r4:00020000
[    7.573397] Code: e52de004 e8bd4000 e5907004 e1a06000 (e5973050) 
[    7.573466] ---[ end trace e4a7edf20e587462 ]---
[    7.713930] uart-pl011 3f201000.serial: no DMA platform data
[    7.717045] brcmfmac: power management disabled
[    9.402696] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   12.422917] Bluetooth: Core ver 2.22
[   12.423054] NET: Registered protocol family 31
[   12.423083] Bluetooth: HCI device and connection manager initialized
[   12.423146] Bluetooth: HCI socket layer initialized
[   12.423184] Bluetooth: L2CAP socket layer initialized
[   12.423232] Bluetooth: SCO socket layer initialized
[   12.444727] Bluetooth: HCI UART driver ver 2.3
[   12.444779] Bluetooth: HCI UART protocol H4 registered
[   12.444946] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   12.446385] Bluetooth: HCI UART protocol Broadcom registered

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Iridium · Jul 9th 2019

It's possible, the device is not supported. See Here