pi@octopi:~ $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 0483:5740 STMicroelectronics Virtual COM Port Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub pi@octopi:~ $ dmesg -w [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.4.79-v7l+ (dom@buildbot) (gcc version 8.4.0 (Ubun tu/Linaro 8.4.0-3ubuntu1)) #1373 SMP Mon Nov 23 13:27:40 GMT 2020 [ 0.000000] CPU: ARMv7 Processor [410fd083] revision 3 (ARMv7), cr=30c5383d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi 4 Model B Rev 1.4 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] Reserved memory: created CMA memory pool at 0x000000001ec00000, s ize 256 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id share d-dma-pool [ 0.000000] On node 0 totalpages: 2048000 [ 0.000000] DMA zone: 2304 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 [ 0.000000] HighMem zone: 1851392 pages, LIFO batch:63 [ 0.000000] percpu: Embedded 20 pages/cpu s49804 r8192 d23924 u81920 [ 0.000000] pcpu-alloc: s49804 r8192 d23924 u81920 alloc=20*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2045696 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835 .enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 smsc95xx.macaddr=E4:5F:01:4B:DD :10 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=f7b13ed1-02 rootfstype=ext4 elevator=deadline fsck.re pair=yes rootwait dwc_otg.speed=1 [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, li near) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0x14c00000-0x18c00000] (64MB) [ 0.000000] Memory: 7748132K/8192000K available (10240K kernel code, 739K rwd ata, 2816K rodata, 2048K init, 854K bss, 181724K reserved, 262144K cma-reserved, 7405568K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 31111 entries in 61 pages [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jif fies. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] random: get_random_bytes called from start_kernel+0x344/0x518 wit h crng_init=0 [ 0.000007] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2 147483647500ns [ 0.000029] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_ idle_ns: 1911260446275 ns [ 0.000110] bcm2835: system timer (irq = 17) [ 0.000756] arch_timer: cp15 timer(s) running at 54.00MHz (phys). [ 0.000775] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns [ 0.000794] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 43980 46511102ns [ 0.000810] Switching to timer-based delay loop, resolution 18ns [ 0.001055] Console: colour dummy device 80x30 [ 0.001556] printk: console [tty1] enabled [ 0.001620] Calibrating delay loop (skipped), value calculated using timer fr equency.. 108.00 BogoMIPS (lpj=540000) [ 0.001663] pid_max: default: 32768 minimum: 301 [ 0.001824] LSM: Security Framework initializing [ 0.002031] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linea r) [ 0.002074] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.003444] Disabling memory control group subsystem [ 0.003583] CPU: Testing write buffer coherency: ok [ 0.004108] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.005042] Setting up static identity map for 0x200000 - 0x20003c [ 0.005268] rcu: Hierarchical SRCU implementation. [ 0.005974] smp: Bringing up secondary CPUs ... [ 0.007206] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.008549] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.009829] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.009985] smp: Brought up 1 node, 4 CPUs [ 0.010056] SMP: Total of 4 processors activated (432.00 BogoMIPS). [ 0.010083] CPU: All CPU(s) started in HYP mode. [ 0.010118] CPU: Virtualization extensions available. [ 0.011008] devtmpfs: initialized [ 0.024674] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0 [ 0.024946] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, ma x_idle_ns: 19112604462750000 ns [ 0.024999] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.031832] pinctrl core: initialized pinctrl subsystem [ 0.032864] NET: Registered protocol family 16 [ 0.036900] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.037488] audit: initializing netlink subsys (disabled) [ 0.037753] audit: type=2000 audit(0.030:1): state=initialized audit_enabled= 0 res=1 [ 0.038857] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.038894] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.039226] Serial: AMBA PL011 UART driver [ 0.042771] bcm2835-mbox fe00b880.mailbox: mailbox enabled [ 0.060832] raspberrypi-firmware soc:firmware: Attached to firmware from 2020 -11-25 17:11, variant start_x [ 0.070849] raspberrypi-firmware soc:firmware: Firmware hash is 2e6292a5304b9 5ecfd700fc5ab2b793402056332 [ 0.126528] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1 [ 0.131586] vgaarb: loaded [ 0.132070] SCSI subsystem initialized [ 0.132310] usbcore: registered new interface driver usbfs [ 0.132382] usbcore: registered new interface driver hub [ 0.132534] usbcore: registered new device driver usb [ 0.132883] usb_phy_generic phy: phy supply vcc not found, using dummy regula tor [ 0.134674] clocksource: Switched to clocksource arch_sys_counter [ 0.894489] VFS: Disk quotas dquot_6.6.0 [ 0.894612] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.894836] FS-Cache: Loaded [ 0.895058] CacheFiles: Loaded [ 0.905692] thermal_sys: Registered thermal governor 'step_wise' [ 0.906049] NET: Registered protocol family 2 [ 0.906822] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear) [ 0.906875] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 0.906952] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.907036] TCP: Hash tables configured (established 8192 bind 8192) [ 0.907201] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.907254] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.907528] NET: Registered protocol family 1 [ 0.908282] RPC: Registered named UNIX socket transport module. [ 0.908313] RPC: Registered udp transport module. [ 0.908339] RPC: Registered tcp transport module. [ 0.908365] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.908400] PCI: CLS 0 bytes, default 64 [ 0.910280] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counte rs available [ 0.912524] Initialise system trusted keyrings [ 0.912802] workingset: timestamp_bits=14 max_order=21 bucket_order=7 [ 0.923759] FS-Cache: Netfs 'nfs' registered for caching [ 0.924525] NFS: Registering the id_resolver key type [ 0.924584] Key type id_resolver registered [ 0.924610] Key type id_legacy registered [ 0.924646] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.925815] Key type asymmetric registered [ 0.925843] Asymmetric key parser 'x509' registered [ 0.926048] bounce: pool size: 64 pages [ 0.926103] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 2 49) [ 0.926364] io scheduler mq-deadline registered [ 0.926393] io scheduler kyber registered [ 0.930373] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges: [ 0.930416] brcm-pcie fd500000.pcie: No bus range found for /scb/pcie@7d500 000, using [bus 00-ff] [ 0.930508] brcm-pcie fd500000.pcie: MEM 0x0600000000..0x0603ffffff -> 0 x00f8000000 [ 0.930599] brcm-pcie fd500000.pcie: IB MEM 0x0000000000..0x01ffffffff -> 0 x0200000000 [ 0.986796] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC) [ 0.987137] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00 [ 0.987172] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.987206] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff]) [ 0.987285] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400 [ 0.987572] pci 0000:00:00.0: PME# supported from D0 D3hot [ 0.990868] PCI: bus0: Fast back to back transfers disabled [ 0.991114] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330 [ 0.991277] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit] [ 0.991726] pci 0000:01:00.0: PME# supported from D0 D3hot [ 0.995067] PCI: bus1: Fast back to back transfers disabled [ 0.995143] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff] [ 0.995181] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64 bit] [ 0.995282] pci 0000:00:00.0: PCI bridge to [bus 01] [ 0.995320] pci 0000:00:00.0: bridge window [mem 0x600000000-0x6000fffff] [ 0.995650] pcieport 0000:00:00.0: enabling device (0140 -> 0142) [ 0.995909] pcieport 0000:00:00.0: PME: Signaling with IRQ 55 [ 0.996327] pcieport 0000:00:00.0: AER: enabled with IRQ 55 [ 0.996686] pci 0000:01:00.0: enabling device (0140 -> 0142) [ 1.043239] pci 0000:01:00.0: quirk_usb_early_handoff+0x0/0x800 took 45481 us ecs [ 1.050127] iproc-rng200 fe104000.rng: hwrng registered [ 1.050481] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000 000(1024 MiB) [ 1.051168] vc-sm: Videocore shared memory driver [ 1.051774] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe2 00000 [ 1.064175] brd: module loaded [ 1.076778] loop: module loaded [ 1.078224] Loading iSCSI transport class v2.0-870. [ 1.080266] libphy: Fixed MDIO Bus: probed [ 1.080908] bcmgenet fd580000.ethernet: failed to get enet clock [ 1.080943] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000 [ 1.080981] bcmgenet fd580000.ethernet: failed to get enet-wol clock [ 1.081017] bcmgenet fd580000.ethernet: failed to get enet-eee clock [ 1.081059] bcmgenet: Skipping UMAC reset [ 1.094714] libphy: bcmgenet MII bus: probed [ 1.184785] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus [ 1.185838] usbcore: registered new interface driver r8152 [ 1.185920] usbcore: registered new interface driver lan78xx [ 1.186007] usbcore: registered new interface driver smsc95xx [ 1.186451] xhci_hcd 0000:01:00.0: xHCI Host Controller [ 1.186500] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus numbe r 1 [ 1.188789] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 qu irks 0x0000003000000890 [ 1.190106] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bc dDevice= 5.04 [ 1.190145] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber= 1 [ 1.190179] usb usb1: Product: xHCI Host Controller [ 1.190207] usb usb1: Manufacturer: Linux 5.4.79-v7l+ xhci-hcd [ 1.190236] usb usb1: SerialNumber: 0000:01:00.0 [ 1.190884] hub 1-0:1.0: USB hub found [ 1.191008] hub 1-0:1.0: 1 port detected [ 1.191588] xhci_hcd 0000:01:00.0: xHCI Host Controller [ 1.191629] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus numbe r 2 [ 1.191672] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed [ 1.192182] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bc dDevice= 5.04 [ 1.192219] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber= 1 [ 1.192253] usb usb2: Product: xHCI Host Controller [ 1.192280] usb usb2: Manufacturer: Linux 5.4.79-v7l+ xhci-hcd [ 1.192309] usb usb2: SerialNumber: 0000:01:00.0 [ 1.192912] hub 2-0:1.0: USB hub found [ 1.193008] hub 2-0:1.0: 4 ports detected [ 1.194474] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 1.194829] dwc_otg: FIQ enabled [ 1.194842] dwc_otg: NAK holdoff enabled [ 1.194854] dwc_otg: FIQ split-transaction FSM enabled [ 1.194870] Module dwc_common_port init [ 1.195308] usbcore: registered new interface driver uas [ 1.195428] usbcore: registered new interface driver usb-storage [ 1.195643] mousedev: PS/2 mouse device common for all mice [ 1.197556] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer [ 1.201038] sdhci: Secure Digital Host Controller Interface driver [ 1.201069] sdhci: Copyright(c) Pierre Ossman [ 1.201724] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe [ 1.202298] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.206161] ledtrig-cpu: registered to indicate activity on CPUs [ 1.206478] hidraw: raw HID events driver (C) Jiri Kosina [ 1.206692] usbcore: registered new interface driver usbhid [ 1.206720] usbhid: USB HID core driver [ 1.207806] vchiq: vchiq_init_state: slot_zero = (ptrval) [ 1.209794] [vc_sm_connected_init]: start [ 1.218690] [vc_sm_connected_init]: end - returning 0 [ 1.220931] Initializing XFRM netlink socket [ 1.220985] NET: Registered protocol family 17 [ 1.221105] Key type dns_resolver registered [ 1.221488] Registering SWP/SWPB emulation handler [ 1.221860] registered taskstats version 1 [ 1.221894] Loading compiled-in X.509 certificates [ 1.222409] Key type ._fscrypt registered [ 1.222437] Key type .fscrypt registered [ 1.233245] uart-pl011 fe201000.serial: cts_event_workaround enabled [ 1.233339] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 29, base_baud = 0) is a PL011 rev2 [ 1.239505] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains drive r [ 1.240538] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0 [ 1.240571] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated [ 1.293259] mmc1: queuing unknown CIS tuple 0x80 (2 bytes) [ 1.296006] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.297705] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.300719] mmc1: queuing unknown CIS tuple 0x80 (7 bytes) [ 1.302407] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.308780] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using A DMA [ 1.311775] of_cfs_init [ 1.312054] of_cfs_init: OK [ 1.313163] Waiting for root device PARTUUID=f7b13ed1-02... [ 1.349254] random: fast init done [ 1.371633] mmc1: new high speed SDIO card at address 0001 [ 1.415526] mmc0: new ultra high speed DDR50 SDXC card at address aaaa [ 1.416769] mmcblk0: mmc0:aaaa SR64G 59.5 GiB [ 1.419360] mmcblk0: p1 p2 [ 1.436983] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. O pts: (null) [ 1.437088] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 1.442164] devtmpfs: mounted [ 1.450934] Freeing unused kernel memory: 2048K [ 1.474987] Run /sbin/init as init process [ 1.564735] usb 1-1: new high-speed USB device number 2 using xhci_hcd [ 1.757495] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcd Device= 4.21 [ 1.757541] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 1.757573] usb 1-1: Product: USB2.0 Hub [ 1.759593] hub 1-1:1.0: USB hub found [ 1.759876] hub 1-1:1.0: 4 ports detected [ 1.873715] systemd[1]: System time before build time, advancing clock. [ 1.971433] NET: Registered protocol family 10 [ 1.972768] Segment Routing with IPv6 [ 2.002597] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SEL INUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL + XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybr id) [ 2.003933] systemd[1]: Detected architecture arm. [ 2.068432] systemd[1]: Set hostname to . [ 2.738927] random: systemd: uninitialized urandom read (16 bytes read) [ 2.749358] random: systemd: uninitialized urandom read (16 bytes read) [ 2.750325] systemd[1]: Listening on Journal Socket (/dev/log). [ 2.751075] random: systemd: uninitialized urandom read (16 bytes read) [ 2.753189] systemd[1]: Created slice User and Session Slice. [ 2.754442] systemd[1]: Listening on fsck to fsckd communication Socket. [ 2.755759] systemd[1]: Listening on udev Control Socket. [ 2.756611] systemd[1]: Started Forward Password Requests to Wall Directory W atch. [ 2.759294] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ 2.760668] systemd[1]: Listening on Journal Audit Socket. [ 3.414601] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 3.502616] systemd-journald[118]: Received request to flush runtime journal from PID 1 [ 3.993824] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Reg isters at 0xfeb00000 length 0x00010000 [ 3.995403] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised : Registers at 0xfeb10000 length 0x00001000 [ 3.996868] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Reg isters at 0xfeb20000 length 0x00010000 [ 3.997438] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Regis ters at 0xfeb30000 length 0x00010000 [ 4.145447] vc_sm_cma: module is from the staging directory, the quality is u nknown, you have been warned. [ 4.153454] bcm2835_vc_sm_cma_probe: Videocore shared memory driver [ 4.153479] [vc_sm_connected_init]: start [ 4.158087] mc: Linux media interface: v0.10 [ 4.160388] [vc_sm_connected_init]: installed successfully [ 4.260550] videodev: Linux video capture interface: v2.00 [ 4.265485] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.298085] bcm2835_mmal_vchiq: module is from the staging directory, the qua lity is unknown, you have been warned. [ 4.307072] bcm2835_mmal_vchiq: module is from the staging directory, the qua lity is unknown, you have been warned. [ 4.310050] bcm2835_v4l2: module is from the staging directory, the quality i s unknown, you have been warned. [ 4.320503] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. [ 4.324102] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 4.332875] bcm2835_audio bcm2835_audio: card created with 8 channels [ 4.341962] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 [ 4.342023] bcm2835-codec bcm2835-codec: Loaded V4L2 decode [ 4.417770] cfg80211: Loading compiled-in X.509 certificates for regulatory d atabase [ 4.555981] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0 [ 4.587694] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 4.677298] brcmfmac: F1 signature read @0x18000000=0x15264345 [ 4.689846] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio f or chip BCM4345/6 [ 4.690270] usbcore: registered new interface driver brcmfmac [ 4.715687] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455 -sdio.raspberrypi,4-model-b.txt failed with error -2 [ 4.761363] [drm] No displays found. Consider forcing hotplug if HDMI is atta ched [ 4.761479] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) [ 4.761504] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 4.761516] [drm] No driver support for vblank timestamp query. [ 4.761529] [drm] Setting vblank_disable_immediate to false because get_vblan k_timestamp == NULL [ 4.762574] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1 [ 4.957704] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio f or chip BCM4345/6 [ 4.967034] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea [ 4.979292] bcm2835-codec bcm2835-codec: Device registered as /dev/video11 [ 4.979336] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [ 4.980167] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev /video13 [ 4.980686] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /de v/video14 [ 4.981311] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /de v/video15 [ 4.981663] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/ video16 [ 4.981694] bcm2835-isp bcm2835-isp: Register output node 0 with media contro ller [ 4.981730] bcm2835-isp bcm2835-isp: Register capture node 1 with media contr oller [ 4.981750] bcm2835-isp bcm2835-isp: Register capture node 2 with media contr oller [ 4.981770] bcm2835-isp bcm2835-isp: Register capture node 3 with media contr oller [ 4.982007] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp [ 4.997939] bcm2835-codec bcm2835-codec: Device registered as /dev/video12 [ 4.997981] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 6.618070] random: crng init done [ 6.618089] random: 7 urandom warning(s) missed due to ratelimiting [ 6.769903] uart-pl011 fe201000.serial: no DMA platform data [ 6.925690] 8021q: 802.1Q VLAN Support v1.8 [ 7.064725] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:1 02396k SSFS [ 7.128397] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled [ 7.388346] bcmgenet: Skipping UMAC reset [ 7.390295] bcmgenet fd580000.ethernet: configuring instance for external RGM II [ 7.391945] bcmgenet fd580000.ethernet eth0: Link is Down [ 12.502957] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 13.555858] Bluetooth: Core ver 2.22 [ 13.555949] NET: Registered protocol family 31 [ 13.555963] Bluetooth: HCI device and connection manager initialized [ 13.556287] Bluetooth: HCI socket layer initialized [ 13.556309] Bluetooth: L2CAP socket layer initialized [ 13.556343] Bluetooth: SCO socket layer initialized [ 13.564414] Bluetooth: HCI UART driver ver 2.3 [ 13.564433] Bluetooth: HCI UART protocol H4 registered [ 13.564514] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 13.564929] Bluetooth: HCI UART protocol Broadcom registered [ 13.735266] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 13.735273] Bluetooth: BNEP filters: protocol multicast [ 13.735286] Bluetooth: BNEP socket layer initialized [ 13.851882] Bluetooth: hci0: unexpected event for opcode 0x0c52 [ 14.138620] debugfs: File 'le_min_key_size' in directory 'hci0' already prese nt! [ 14.138629] debugfs: File 'le_max_key_size' in directory 'hci0' already prese nt! [ 72.794195] usb 1-1.4: new full-speed USB device number 3 using xhci_hcd [ 72.930292] usb 1-1.4: New USB device found, idVendor=1a86, idProduct=7523, b cdDevice= 2.64 [ 72.930312] usb 1-1.4: New USB device strings: Mfr=0, Product=2, SerialNumber =0 [ 72.930329] usb 1-1.4: Product: USB Serial [ 73.014945] usbcore: registered new interface driver usbserial_generic [ 73.015019] usbserial: USB Serial support registered for generic [ 73.017349] usbcore: registered new interface driver ch341 [ 73.017450] usbserial: USB Serial support registered for ch341-uart [ 73.017579] ch341 1-1.4:1.0: ch341-uart converter detected [ 73.021544] usb 1-1.4: ch341-uart converter now attached to ttyUSB0 [ 156.799122] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - urb s topped: -32 [ 156.799738] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - urb s topped: -32 [ 156.932043] usb 1-1.4: USB disconnect, device number 3 [ 156.932701] usb 1-1.4: failed to send control message: -19 [ 156.933135] ch341-uart ttyUSB0: ch341-uart converter now disconnected from tt yUSB0 [ 156.933204] ch341 1-1.4:1.0: device disconnected [ 161.811977] usb 1-1.4: new full-speed USB device number 4 using xhci_hcd [ 161.948036] usb 1-1.4: New USB device found, idVendor=1a86, idProduct=7523, b cdDevice= 2.64 [ 161.948056] usb 1-1.4: New USB device strings: Mfr=0, Product=2, SerialNumber =0 [ 161.948073] usb 1-1.4: Product: USB Serial [ 161.952940] ch341 1-1.4:1.0: ch341-uart converter detected [ 161.958260] usb 1-1.4: ch341-uart converter now attached to ttyUSB0 [ 174.259547] usb 1-1.4: USB disconnect, device number 4 [ 174.260476] ch341-uart ttyUSB0: ch341-uart converter now disconnected from tt yUSB0 [ 174.260609] ch341 1-1.4:1.0: device disconnected [ 235.082230] usb 1-1.4: new full-speed USB device number 5 using xhci_hcd [ 235.182493] usb 1-1.4: device descriptor read/64, error -32 [ 235.439850] usb 1-1.4: New USB device found, idVendor=0483, idProduct=5740, b cdDevice= 0.00 [ 235.439870] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber =3 [ 235.439887] usb 1-1.4: Product: GENERICSTM32F103RE CDC in FS Mode [ 235.439903] usb 1-1.4: Manufacturer: STMicroelectronics [ 235.439918] usb 1-1.4: SerialNumber: 667C6CE71131 [ 235.506695] cdc_acm 1-1.4:1.0: ttyACM0: USB ACM device [ 235.509454] usbcore: registered new interface driver cdc_acm [ 235.509464] cdc_acm: USB Abstract Control Model driver for USB modems and ISD N adapters [ 247.786068] usb 1-1.4: USB disconnect, device number 5 [ 249.082254] usb 1-1.4: new full-speed USB device number 6 using xhci_hcd [ 249.192500] usb 1-1.4: device descriptor read/64, error -32 [ 249.449817] usb 1-1.4: New USB device found, idVendor=0483, idProduct=5740, b cdDevice= 0.00 [ 249.449837] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber =3 [ 249.449854] usb 1-1.4: Product: GENERICSTM32F103RE CDC in FS Mode [ 249.449871] usb 1-1.4: Manufacturer: STMicroelectronics [ 249.449886] usb 1-1.4: SerialNumber: 667C6CE71131 [ 249.454772] cdc_acm 1-1.4:1.0: ttyACM0: USB ACM device