pi@HyperBian:~ $ dmesg
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.51-v7l+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1333 SMP Mon Aug 10 16:51:40 BST 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 1.2
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] Reserved memory: created CMA memory pool at 0x000000001ec00000, size 256 MiB
[    0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[    0.000000] On node 0 totalpages: 1012736
[    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: 816128 pages, LIFO batch:63
[    0.000000] percpu: Embedded 20 pages/cpu s49856 r8192 d23872 u81920
[    0.000000] pcpu-alloc: s49856 r8192 d23872 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: 1010432
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:640x480M@60 smsc95xx.macaddr=DC:A6:32:A6:B3:C3 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyS0,115200 console=tty1 root=PARTUUID=ca5dffb5-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[    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, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] software IO TLB: mapped [mem 0x17cc0000-0x1bcc0000] (64MB)
[    0.000000] Memory: 3655620K/4050944K available (10240K kernel code, 725K rwdata, 2740K rodata, 2048K init, 853K bss, 133180K reserved, 262144K cma-reserved, 3264512K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 30051 entries in 59 pages
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    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+0x340/0x518 with crng_init=0
[    0.000007] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[    0.000031] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[    0.000112] bcm2835: system timer (irq = 17)
[    0.000784] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000803] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000824] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000841] Switching to timer-based delay loop, resolution 18ns
[    0.001084] Console: colour dummy device 80x30
[    0.001580] printk: console [tty1] enabled
[    0.001642] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.001684] pid_max: default: 32768 minimum: 301
[    0.002011] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.002052] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.003231] Disabling memory control group subsystem
[    0.003347] CPU: Testing write buffer coherency: ok
[    0.003829] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.004678] Setting up static identity map for 0x200000 - 0x20003c
[    0.004882] rcu: Hierarchical SRCU implementation.
[    0.005520] smp: Bringing up secondary CPUs ...
[    0.006672] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.007943] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.009158] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.009302] smp: Brought up 1 node, 4 CPUs
[    0.009371] SMP: Total of 4 processors activated (432.00 BogoMIPS).
[    0.009396] CPU: All CPU(s) started in HYP mode.
[    0.009419] CPU: Virtualization extensions available.
[    0.010198] devtmpfs: initialized
[    0.023177] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0
[    0.023450] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.023498] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.031241] pinctrl core: initialized pinctrl subsystem
[    0.032282] NET: Registered protocol family 16
[    0.035877] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[    0.037524] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.037558] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.037901] Serial: AMBA PL011 UART driver
[    0.041317] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.060896] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-08-19 17:38, variant start
[    0.070878] raspberrypi-firmware soc:firmware: Firmware hash is e90cba19a98a0d1f2ef086b9cafcbca00778f094
[    0.124302] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[    0.128744] vgaarb: loaded
[    0.129229] SCSI subsystem initialized
[    0.129479] usbcore: registered new interface driver usbfs
[    0.129551] usbcore: registered new interface driver hub
[    0.129692] usbcore: registered new device driver usb
[    0.131228] clocksource: Switched to clocksource arch_sys_counter
[    0.881407] VFS: Disk quotas dquot_6.6.0
[    0.881538] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.881707] FS-Cache: Loaded
[    0.881903] CacheFiles: Loaded
[    0.882730] simple-framebuffer 3ea9b000.framebuffer: framebuffer at 0x3ea9b000, 0x12c000 bytes, mapped to 0x(ptrval)
[    0.882770] simple-framebuffer 3ea9b000.framebuffer: format=a8r8g8b8, mode=640x480x32, linelength=2560
[    0.884741] Console: switching to colour frame buffer device 80x30
[    0.887398] simple-framebuffer 3ea9b000.framebuffer: fb0: simplefb registered!
[    0.899341] thermal_sys: Registered thermal governor 'step_wise'
[    0.899696] NET: Registered protocol family 2
[    0.902594] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.904727] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.906888] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.908036] TCP: Hash tables configured (established 8192 bind 8192)
[    0.909251] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.910380] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.911765] NET: Registered protocol family 1
[    0.913583] RPC: Registered named UNIX socket transport module.
[    0.914750] RPC: Registered udp transport module.
[    0.915886] RPC: Registered tcp transport module.
[    0.916990] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.918104] PCI: CLS 0 bytes, default 64
[    0.920951] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[    0.925324] Initialise system trusted keyrings
[    0.926643] workingset: timestamp_bits=14 max_order=20 bucket_order=6
[    0.938315] FS-Cache: Netfs 'nfs' registered for caching
[    0.940117] NFS: Registering the id_resolver key type
[    0.941268] Key type id_resolver registered
[    0.942326] Key type id_legacy registered
[    0.943357] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.945468] Key type asymmetric registered
[    0.946504] Asymmetric key parser 'x509' registered
[    0.947677] bounce: pool size: 64 pages
[    0.948703] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.950862] io scheduler mq-deadline registered
[    0.951888] io scheduler kyber registered
[    0.956615] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.957600] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[    0.959498] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x0603ffffff -> 0x00f8000000
[    0.961495] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x00bfffffff -> 0x0000000000
[    1.023338] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC)
[    1.024679] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    1.025722] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.026746] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    1.028781] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    1.030025] pci 0000:00:00.0: PME# supported from D0 D3hot
[    1.034421] PCI: bus0: Fast back to back transfers disabled
[    1.035664] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    1.036837] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    1.038268] pci 0000:01:00.0: PME# supported from D0 D3cold
[    1.042637] PCI: bus1: Fast back to back transfers disabled
[    1.043702] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    1.044759] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    1.046773] pci 0000:00:00.0: PCI bridge to [bus 01]
[    1.047782] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    1.049098] pcieport 0000:00:00.0: enabling device (0140 -> 0142)
[    1.050339] pcieport 0000:00:00.0: PME: Signaling with IRQ 56
[    1.051732] pcieport 0000:00:00.0: AER: enabled with IRQ 56
[    1.053052] pci 0000:01:00.0: enabling device (0140 -> 0142)
[    1.060657] iproc-rng200 fe104000.rng: hwrng registered
[    1.061974] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    1.064464] vc-sm: Videocore shared memory driver
[    1.065919] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[    1.079461] brd: module loaded
[    1.092392] loop: module loaded
[    1.094666] Loading iSCSI transport class v2.0-870.
[    1.097521] libphy: Fixed MDIO Bus: probed
[    1.099010] bcmgenet fd580000.ethernet: failed to get enet clock
[    1.099960] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[    1.100888] bcmgenet fd580000.ethernet: failed to get enet-wol clock
[    1.101855] bcmgenet fd580000.ethernet: failed to get enet-eee clock
[    1.102763] bcmgenet: Skipping UMAC reset
[    1.121304] libphy: bcmgenet MII bus: probed
[    1.201330] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[    1.203243] usbcore: registered new interface driver r8152
[    1.204184] usbcore: registered new interface driver lan78xx
[    1.205088] usbcore: registered new interface driver smsc95xx
[    1.206327] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.207174] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    1.211074] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000001000000890
[    1.214076] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    1.215850] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.217647] usb usb1: Product: xHCI Host Controller
[    1.218552] usb usb1: Manufacturer: Linux 5.4.51-v7l+ xhci-hcd
[    1.219472] usb usb1: SerialNumber: 0000:01:00.0
[    1.220951] hub 1-0:1.0: USB hub found
[    1.221988] hub 1-0:1.0: 1 port detected
[    1.223407] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.224329] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    1.226150] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    1.227625] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[    1.229599] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.231661] usb usb2: Product: xHCI Host Controller
[    1.232725] usb usb2: Manufacturer: Linux 5.4.51-v7l+ xhci-hcd
[    1.233813] usb usb2: SerialNumber: 0000:01:00.0
[    1.235456] hub 2-0:1.0: USB hub found
[    1.236572] hub 2-0:1.0: 4 ports detected
[    1.239003] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.240292] dwc_otg: FIQ enabled
[    1.240304] dwc_otg: NAK holdoff enabled
[    1.240315] dwc_otg: FIQ split-transaction FSM enabled
[    1.240330] Module dwc_common_port init
[    1.240774] usbcore: registered new interface driver uas
[    1.241915] usbcore: registered new interface driver usb-storage
[    1.243074] mousedev: PS/2 mouse device common for all mice
[    1.246114] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    1.249493] sdhci: Secure Digital Host Controller Interface driver
[    1.250441] sdhci: Copyright(c) Pierre Ossman
[    1.251973] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    1.253520] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.258162] ledtrig-cpu: registered to indicate activity on CPUs
[    1.259451] hidraw: raw HID events driver (C) Jiri Kosina
[    1.260626] usbcore: registered new interface driver usbhid
[    1.261660] usbhid: USB HID core driver
[    1.263646] vchiq: vchiq_init_state: slot_zero = (ptrval)
[    1.266524] [vc_sm_connected_init]: start
[    1.275830] [vc_sm_connected_init]: end - returning 0
[    1.278787] Initializing XFRM netlink socket
[    1.279730] NET: Registered protocol family 17
[    1.280709] Key type dns_resolver registered
[    1.281983] Registering SWP/SWPB emulation handler
[    1.283157] registered taskstats version 1
[    1.284017] Loading compiled-in X.509 certificates
[    1.285344] Key type ._fscrypt registered
[    1.286199] Key type .fscrypt registered
[    1.297024] uart-pl011 fe201000.serial: cts_event_workaround enabled
[    1.297971] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 29, base_baud = 0) is a PL011 rev2
[    1.305621] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    1.308350] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    1.309303] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    1.359752] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.362332] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.364998] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.368799] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    1.371263] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.376204] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[    1.380579] of_cfs_init
[    1.381635] of_cfs_init: OK
[    1.383450] Waiting for root device PARTUUID=ca5dffb5-02...
[    1.420555] random: fast init done
[    1.453404] mmc1: new high speed SDIO card at address 0001
[    1.486912] mmc0: new ultra high speed DDR50 SDHC card at address aaaa
[    1.488623] mmcblk0: mmc0:aaaa SC32G 29.7 GiB
[    1.492426]  mmcblk0: p1 p2
[    1.505563] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[    1.507269] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[    1.580490] EXT4-fs (mmcblk0p2): recovery complete
[    1.583035] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.584786] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.590562] devtmpfs: mounted
[    1.599353] Freeing unused kernel memory: 2048K
[    1.600499] Run /sbin/init as init process
[    1.611274] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    1.793921] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[    1.795854] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    1.796902] usb 1-1: Product: USB2.0 Hub
[    1.800206] hub 1-1:1.0: USB hub found
[    1.801480] hub 1-1:1.0: 4 ports detected
[    1.996902] systemd[1]: System time before build time, advancing clock.
[    2.087107] NET: Registered protocol family 10
[    2.089480] Segment Routing with IPv6
[    2.120039] systemd[1]: systemd 241 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)
[    2.131276] usb 1-1.3: new high-speed USB device number 3 using xhci_hcd
[    2.131565] systemd[1]: Detected architecture arm.
[    2.199531] systemd[1]: Set hostname to <HyperBian>.
[    2.269356] usb 1-1.3: New USB device found, idVendor=1bcf, idProduct=2c99, bcdDevice= 1.00
[    2.271811] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.274277] usb 1-1.3: Product: ezcap U3 capture
[    2.275484] usb 1-1.3: Manufacturer: VXIS Inc
[    2.381286] usb 1-1.4: new full-speed USB device number 4 using xhci_hcd
[    2.531101] usb 1-1.4: New USB device found, idVendor=2341, idProduct=8036, bcdDevice= 1.00
[    2.533270] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    2.535440] usb 1-1.4: Product: Arduino Leonardo
[    2.536550] usb 1-1.4: Manufacturer: Arduino LLC
[    2.805016] random: systemd: uninitialized urandom read (16 bytes read)
[    2.817718] random: systemd: uninitialized urandom read (16 bytes read)
[    2.823805] systemd[1]: Listening on Syslog Socket.
[    2.826844] random: systemd: uninitialized urandom read (16 bytes read)
[    2.828224] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    2.835021] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[    2.838871] systemd[1]: Created slice system-getty.slice.
[    2.867282] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
[    2.870197] systemd[1]: Listening on udev Control Socket.
[    2.874261] systemd[1]: Created slice User and Session Slice.
[    3.551120] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    3.659000] systemd-journald[105]: Received request to flush runtime journal from PID 1
[    4.153920] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[    4.155994] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[    4.156015] [vc_sm_connected_init]: start
[    4.158382] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000
[    4.159174] [vc_sm_connected_init]: installed successfully
[    4.163610] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000
[    4.167687] mc: Linux media interface: v0.10
[    4.186585] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000
[    4.189153] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000
[    4.189826] videodev: Linux video capture interface: v2.00
[    4.248781] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.260670] bcm2835_audio bcm2835_audio: card created with 4 channels
[    4.273584] bcm2835_audio bcm2835_audio: card created with 4 channels
[    4.296233] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.298185] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.306066] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[    4.317191] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[    4.359685] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[    4.359731] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[    4.385736] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[    4.390157] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[    4.390200] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[    4.421061] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[    4.427750] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[    4.428085] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[    4.428130] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[    4.428162] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[    4.428584] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[    4.428616] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[    4.428643] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[    4.428663] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[    4.428696] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[    4.428923] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[    4.583040] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
[    4.658312] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    4.723735] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99)
[    4.726672] uvcvideo: Failed to query (GET_INFO) UVC control 11 on unit 1: -32 (exp. 1).
[    4.734073] cdc_acm 1-1.4:1.0: ttyACM0: USB ACM device
[    4.745220] usbcore: registered new interface driver cdc_acm
[    4.745235] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    4.755045] uvcvideo 1-1.3:1.0: Entity type for entity Extension 4 was not initialized!
[    4.755067] uvcvideo 1-1.3:1.0: Entity type for entity Extension 3 was not initialized!
[    4.755087] uvcvideo 1-1.3:1.0: Entity type for entity Processing 2 was not initialized!
[    4.755105] uvcvideo 1-1.3:1.0: Entity type for entity Camera 1 was not initialized!
[    4.755541] input: ezcap U3 capture: ezcap U3 capt as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.0/input/input0
[    4.755809] usbcore: registered new interface driver uvcvideo
[    4.755821] USB Video Class driver (1.1.1)
[    4.758160] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
[    4.758183] checking generic (3ea9b000 12c000) vs hw (0 ffffffffffffffff)
[    4.758197] fb0: switching to vc4drmfb from simple
[    4.764805] Console: switching to colour dummy device 80x30
[    4.765070] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    4.765084] [drm] No driver support for vblank timestamp query.
[    4.765096] [drm] Setting vblank_disable_immediate to false because get_vblank_timestamp == NULL
[    4.768207] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
[    4.771346] vc4-drm gpu: HDMI-A-1: EDID is invalid:
[    4.771366] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771378] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771391] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771402] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771414] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771428] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771446] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.771462] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.791096] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    4.872153] usb 1-1.3: 3:1: cannot get freq at ep 0x86
[    4.888292] usb 1-1.3: Warning! Unlikely big volume range (=4096), cval->res is probably wrong.
[    4.888310] usb 1-1.3: [5] FU [Digital In Capture Volume] ch = 1, val = 0/4096/1
[    4.889124] usbcore: registered new interface driver snd-usb-audio
[    4.905378] Console: switching to colour frame buffer device 80x30
[    4.925728] vc4-drm gpu: fb0: vc4drmfb frame buffer device
[    4.941612] brcmfmac: F1 signature read @0x18000000=0x15264345
[    4.953863] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    4.954573] usbcore: registered new interface driver brcmfmac
[    4.983285] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.txt failed with error -2
[    5.216127] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    5.232592] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea
[    6.906231] random: crng init done
[    6.906245] random: 7 urandom warning(s) missed due to ratelimiting
[    6.912255] uart-pl011 fe201000.serial: no DMA platform data
[    7.099937] 8021q: 802.1Q VLAN Support v1.8
[    7.301333] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
[    7.686738] bcmgenet: Skipping UMAC reset
[    7.689051] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[    7.689431] bcmgenet fd580000.ethernet eth0: Link is Down
[   12.871452] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[   12.871498] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   13.606676] Bluetooth: Core ver 2.22
[   13.606755] NET: Registered protocol family 31
[   13.606768] Bluetooth: HCI device and connection manager initialized
[   13.606793] Bluetooth: HCI socket layer initialized
[   13.606812] Bluetooth: L2CAP socket layer initialized
[   13.606842] Bluetooth: SCO socket layer initialized
[   13.617193] Bluetooth: HCI UART driver ver 2.3
[   13.617211] Bluetooth: HCI UART protocol H4 registered
[   13.617291] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   13.617578] Bluetooth: HCI UART protocol Broadcom registered
[   13.805927] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   13.805934] Bluetooth: BNEP filters: protocol multicast
[   13.805947] Bluetooth: BNEP socket layer initialized
pi@HyperBian:~ $