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
[    0.000030] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[    0.000110] bcm2835: system timer (irq = 17)
[    0.000779] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000799] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000819] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000835] Switching to timer-based delay loop, resolution 18ns
[    0.001078] Console: colour dummy device 80x30
[    0.001574] printk: console [tty1] enabled
[    0.001635] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.001677] pid_max: default: 32768 minimum: 301
[    0.002003] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.002044] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.003217] Disabling memory control group subsystem
[    0.003332] CPU: Testing write buffer coherency: ok
[    0.003817] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.004661] Setting up static identity map for 0x200000 - 0x20003c
[    0.004862] rcu: Hierarchical SRCU implementation.
[    0.005494] smp: Bringing up secondary CPUs ...
[    0.006650] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.007919] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.009130] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.009273] smp: Brought up 1 node, 4 CPUs
[    0.009342] SMP: Total of 4 processors activated (432.00 BogoMIPS).
[    0.009367] CPU: All CPU(s) started in HYP mode.
[    0.009390] CPU: Virtualization extensions available.
[    0.010172] devtmpfs: initialized
[    0.023140] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0
[    0.023413] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.023462] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.031218] pinctrl core: initialized pinctrl subsystem
[    0.032255] NET: Registered protocol family 16
[    0.035857] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[    0.037502] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.037536] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.037871] Serial: AMBA PL011 UART driver
[    0.041275] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.060889] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-08-19 17:38, variant start
[    0.070872] raspberrypi-firmware soc:firmware: Firmware hash is e90cba19a98a0d1f2ef086b9cafcbca00778f094
[    0.124238] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[    0.128676] vgaarb: loaded
[    0.129164] SCSI subsystem initialized
[    0.129412] usbcore: registered new interface driver usbfs
[    0.129483] usbcore: registered new interface driver hub
[    0.129626] usbcore: registered new device driver usb
[    0.131167] clocksource: Switched to clocksource arch_sys_counter
[    0.882083] VFS: Disk quotas dquot_6.6.0
[    0.882203] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.882373] FS-Cache: Loaded
[    0.882573] CacheFiles: Loaded
[    0.883395] simple-framebuffer 3ea9b000.framebuffer: framebuffer at 0x3ea9b000, 0x12c000 bytes, mapped to 0x(ptrval)
[    0.883436] simple-framebuffer 3ea9b000.framebuffer: format=a8r8g8b8, mode=640x480x32, linelength=2560
[    0.885410] Console: switching to colour frame buffer device 80x30
[    0.888065] simple-framebuffer 3ea9b000.framebuffer: fb0: simplefb registered!
[    0.899957] thermal_sys: Registered thermal governor 'step_wise'
[    0.900310] NET: Registered protocol family 2
[    0.903199] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.905325] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.907480] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.908627] TCP: Hash tables configured (established 8192 bind 8192)
[    0.909840] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.910964] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.912352] NET: Registered protocol family 1
[    0.914166] RPC: Registered named UNIX socket transport module.
[    0.915337] RPC: Registered udp transport module.
[    0.916469] RPC: Registered tcp transport module.
[    0.917570] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.918682] PCI: CLS 0 bytes, default 64
[    0.921562] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[    0.925878] Initialise system trusted keyrings
[    0.927207] workingset: timestamp_bits=14 max_order=20 bucket_order=6
[    0.938897] FS-Cache: Netfs 'nfs' registered for caching
[    0.940692] NFS: Registering the id_resolver key type
[    0.941846] Key type id_resolver registered
[    0.942902] Key type id_legacy registered
[    0.943931] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.946035] Key type asymmetric registered
[    0.947067] Asymmetric key parser 'x509' registered
[    0.948240] bounce: pool size: 64 pages
[    0.949262] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.951448] io scheduler mq-deadline registered
[    0.952422] io scheduler kyber registered
[    0.957104] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.958090] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[    0.959985] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x0603ffffff -> 0x00f8000000
[    0.961988] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x00bfffffff -> 0x0000000000
[    1.023286] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC)
[    1.024623] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    1.025667] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.026687] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    1.028724] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    1.029975] pci 0000:00:00.0: PME# supported from D0 D3hot
[    1.034337] PCI: bus0: Fast back to back transfers disabled
[    1.035581] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    1.036755] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    1.038194] pci 0000:01:00.0: PME# supported from D0 D3cold
[    1.042572] PCI: bus1: Fast back to back transfers disabled
[    1.043634] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    1.044687] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    1.046699] pci 0000:00:00.0: PCI bridge to [bus 01]
[    1.047705] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    1.049015] pcieport 0000:00:00.0: enabling device (0140 -> 0142)
[    1.050248] pcieport 0000:00:00.0: PME: Signaling with IRQ 56
[    1.051633] pcieport 0000:00:00.0: AER: enabled with IRQ 56
[    1.052950] pci 0000:01:00.0: enabling device (0140 -> 0142)
[    1.060601] iproc-rng200 fe104000.rng: hwrng registered
[    1.061917] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    1.064410] vc-sm: Videocore shared memory driver
[    1.065865] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[    1.079403] brd: module loaded
[    1.092342] loop: module loaded
[    1.094614] Loading iSCSI transport class v2.0-870.
[    1.097459] libphy: Fixed MDIO Bus: probed
[    1.098948] bcmgenet fd580000.ethernet: failed to get enet clock
[    1.099894] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[    1.100822] bcmgenet fd580000.ethernet: failed to get enet-wol clock
[    1.101789] bcmgenet fd580000.ethernet: failed to get enet-eee clock
[    1.102697] bcmgenet: Skipping UMAC reset
[    1.121245] libphy: bcmgenet MII bus: probed
[    1.211268] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[    1.213188] usbcore: registered new interface driver r8152
[    1.214130] usbcore: registered new interface driver lan78xx
[    1.215035] usbcore: registered new interface driver smsc95xx
[    1.216270] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.217118] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    1.221022] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000001000000890
[    1.224058] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    1.225831] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.227630] usb usb1: Product: xHCI Host Controller
[    1.228535] usb usb1: Manufacturer: Linux 5.4.51-v7l+ xhci-hcd
[    1.229454] usb usb1: SerialNumber: 0000:01:00.0
[    1.230928] hub 1-0:1.0: USB hub found
[    1.231976] hub 1-0:1.0: 1 port detected
[    1.233396] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.234315] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    1.236135] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    1.237609] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[    1.239581] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.241638] usb usb2: Product: xHCI Host Controller
[    1.242704] usb usb2: Manufacturer: Linux 5.4.51-v7l+ xhci-hcd
[    1.243792] usb usb2: SerialNumber: 0000:01:00.0
[    1.245427] hub 2-0:1.0: USB hub found
[    1.246568] hub 2-0:1.0: 4 ports detected
[    1.248987] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.250276] dwc_otg: FIQ enabled
[    1.250287] dwc_otg: NAK holdoff enabled
[    1.250299] dwc_otg: FIQ split-transaction FSM enabled
[    1.250313] Module dwc_common_port init
[    1.250758] usbcore: registered new interface driver uas
[    1.251906] usbcore: registered new interface driver usb-storage
[    1.253061] mousedev: PS/2 mouse device common for all mice
[    1.256094] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    1.259484] sdhci: Secure Digital Host Controller Interface driver
[    1.260429] sdhci: Copyright(c) Pierre Ossman
[    1.261961] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    1.263521] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.268141] ledtrig-cpu: registered to indicate activity on CPUs
[    1.269428] hidraw: raw HID events driver (C) Jiri Kosina
[    1.270598] usbcore: registered new interface driver usbhid
[    1.271635] usbhid: USB HID core driver
[    1.273619] vchiq: vchiq_init_state: slot_zero = (ptrval)
[    1.276479] [vc_sm_connected_init]: start
[    1.285770] [vc_sm_connected_init]: end - returning 0
[    1.288729] Initializing XFRM netlink socket
[    1.289665] NET: Registered protocol family 17
[    1.290636] Key type dns_resolver registered
[    1.291961] Registering SWP/SWPB emulation handler
[    1.293129] registered taskstats version 1
[    1.293987] Loading compiled-in X.509 certificates
[    1.295310] Key type ._fscrypt registered
[    1.296164] Key type .fscrypt registered
[    1.306927] uart-pl011 fe201000.serial: cts_event_workaround enabled
[    1.307878] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 29, base_baud = 0) is a PL011 rev2
[    1.315531] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    1.318259] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    1.319208] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    1.369777] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.372356] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.374896] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.378695] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    1.381185] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.385972] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[    1.390339] of_cfs_init
[    1.391404] of_cfs_init: OK
[    1.393224] Waiting for root device PARTUUID=ca5dffb5-02...
[    1.430283] random: fast init done
[    1.457161] mmc1: new high speed SDIO card at address 0001
[    1.497662] mmc0: new ultra high speed DDR50 SDHC card at address aaaa
[    1.499353] mmcblk0: mmc0:aaaa SC32G 29.7 GiB
[    1.503219]  mmcblk0: p1 p2
[    1.522855] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.524621] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.530421] devtmpfs: mounted
[    1.539186] Freeing unused kernel memory: 2048K
[    1.561468] Run /sbin/init as init process
[    1.601228] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    1.783893] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[    1.785606] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    1.786510] usb 1-1: Product: USB2.0 Hub
[    1.789593] hub 1-1:1.0: USB hub found
[    1.790826] hub 1-1:1.0: 4 ports detected
[    1.942396] usb 2-1: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[    1.963181] systemd[1]: System time before build time, advancing clock.
[    1.990421] usb 2-1: New USB device found, idVendor=1bcf, idProduct=2c99, bcdDevice= 2.00
[    1.992450] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    1.993523] usb 2-1: Product: ezcap U3 capture
[    1.994576] usb 2-1: Manufacturer: VXIS Inc
[    2.056930] NET: Registered protocol family 10
[    2.059320] Segment Routing with IPv6
[    2.095518] 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)
[    2.100947] systemd[1]: Detected architecture arm.
[    2.121214] usb 1-1.4: new full-speed USB device number 3 using xhci_hcd
[    2.170335] systemd[1]: Set hostname to <HyperBian>.
[    2.263093] usb 1-1.4: New USB device found, idVendor=2341, idProduct=8036, bcdDevice= 1.00
[    2.265441] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    2.267823] usb 1-1.4: Product: Arduino Leonardo
[    2.269033] usb 1-1.4: Manufacturer: Arduino LLC
[    2.783736] random: systemd: uninitialized urandom read (16 bytes read)
[    2.796159] random: systemd: uninitialized urandom read (16 bytes read)
[    2.800351] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[    2.803517] random: systemd: uninitialized urandom read (16 bytes read)
[    2.805232] systemd[1]: Listening on Journal Socket (/dev/log).
[    2.833571] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
[    2.836259] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    2.840800] systemd[1]: Listening on udev Control Socket.
[    2.843686] systemd[1]: Reached target Swap.
[    2.846812] systemd[1]: Listening on udev Kernel Socket.
[    3.534547] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    3.651000] systemd-journald[104]: Received request to flush runtime journal from PID 1
[    4.137397] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000
[    4.144646] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000
[    4.149372] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000
[    4.161602] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000
[    4.231108] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[    4.243711] mc: Linux media interface: v0.10
[    4.251250] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[    4.251271] [vc_sm_connected_init]: start
[    4.270526] [vc_sm_connected_init]: installed successfully
[    4.279923] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.302035] videodev: Linux video capture interface: v2.00
[    4.314339] bcm2835_audio bcm2835_audio: card created with 4 channels
[    4.319537] bcm2835_audio bcm2835_audio: card created with 4 channels
[    4.394924] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    4.413028] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.413594] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.422783] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[    4.427441] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[    4.430617] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[    4.447245] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[    4.447297] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[    4.448382] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[    4.448838] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[    4.449347] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[    4.449709] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[    4.449734] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[    4.449754] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[    4.449772] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[    4.449791] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[    4.449980] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[    4.461967] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[    4.462022] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[    4.474752] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[    4.474793] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[    4.555150] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    4.618382] brcmfmac: F1 signature read @0x18000000=0x15264345
[    4.637543] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    4.638482] usbcore: registered new interface driver brcmfmac
[    4.664542] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.txt failed with error -2
[    4.712964] cdc_acm 1-1.4:1.0: ttyACM0: USB ACM device
[    4.715234] usbcore: registered new interface driver cdc_acm
[    4.715248] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    4.732814] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
[    4.764805] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99)
[    4.766496] uvcvideo: Failed to query (GET_INFO) UVC control 11 on unit 1: -32 (exp. 1).
[    4.781254] usb 2-1: Disable of device-initiated U1 failed.
[    4.781885] usb 2-1: Disable of device-initiated U2 failed.
[    4.805666] uvcvideo 2-1:1.0: Entity type for entity Extension 4 was not initialized!
[    4.805688] uvcvideo 2-1:1.0: Entity type for entity Extension 3 was not initialized!
[    4.805706] uvcvideo 2-1:1.0: Entity type for entity Processing 2 was not initialized!
[    4.805725] uvcvideo 2-1:1.0: Entity type for entity Camera 1 was not initialized!
[    4.806205] input: ezcap U3 capture: ezcap U3 capt as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input0
[    4.806476] usbcore: registered new interface driver uvcvideo
[    4.806489] USB Video Class driver (1.1.1)
[    4.831791] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
[    4.831815] checking generic (3ea9b000 12c000) vs hw (0 ffffffffffffffff)
[    4.831829] fb0: switching to vc4drmfb from simple
[    4.832346] Console: switching to colour dummy device 80x30
[    4.832576] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    4.832589] [drm] No driver support for vblank timestamp query.
[    4.832601] [drm] Setting vblank_disable_immediate to false because get_vblank_timestamp == NULL
[    4.836006] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
[    4.848002] vc4-drm gpu: HDMI-A-1: EDID is invalid:
[    4.848023] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848036] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848048] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848060] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848072] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848083] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848095] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.848107] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    4.897041] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    4.913502] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea
[    4.967954] usb 2-1: Disable of device-initiated U1 failed.
[    4.970579] usb 2-1: Disable of device-initiated U2 failed.
[    4.984332] usb 2-1: 3:1: cannot get freq at ep 0x86
[    4.985120] usb 2-1: Disable of device-initiated U1 failed.
[    4.986265] usb 2-1: Disable of device-initiated U2 failed.
[    4.989178] Console: switching to colour frame buffer device 80x30
[    5.001481] usb 2-1: Warning! Unlikely big volume range (=4096), cval->res is probably wrong.
[    5.001499] usb 2-1: [5] FU [Digital In Capture Volume] ch = 1, val = 0/4096/1
[    5.002509] usbcore: registered new interface driver snd-usb-audio
[    5.007622] vc4-drm gpu: fb0: vc4drmfb frame buffer device
[    6.731011] uart-pl011 fe201000.serial: no DMA platform data
[    6.922699] random: crng init done
[    6.922728] random: 7 urandom warning(s) missed due to ratelimiting
[    6.988426] 8021q: 802.1Q VLAN Support v1.8
[    7.251267] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
[    7.554935] bcmgenet: Skipping UMAC reset
[    7.557296] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[    7.557676] bcmgenet fd580000.ethernet eth0: Link is Down
[   12.791384] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[   12.791429] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   13.442667] Bluetooth: Core ver 2.22
[   13.442745] NET: Registered protocol family 31
[   13.442758] Bluetooth: HCI device and connection manager initialized
[   13.442784] Bluetooth: HCI socket layer initialized
[   13.442802] Bluetooth: L2CAP socket layer initialized
[   13.442835] Bluetooth: SCO socket layer initialized
[   13.452969] Bluetooth: HCI UART driver ver 2.3
[   13.452988] Bluetooth: HCI UART protocol H4 registered
[   13.453070] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   13.453366] Bluetooth: HCI UART protocol Broadcom registered
[   13.647789] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   13.647796] Bluetooth: BNEP filters: protocol multicast
[   13.647808] Bluetooth: BNEP socket layer initialized
pi@HyperBian:~ $