dmesg

pi@raspberrypi:~ $ dmesg
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.79-v7l+ (dom@buildbot) (gcc version 8.4.0 (Ubuntu/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 1.2
[    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 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: 1010432
[    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=DC:A6:32:6E:6E:58 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyS0,115200 console=tty1 root=PARTUUID=0eb03f8c-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[    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: 3655604K/4050944K available (10240K kernel code, 739K rwdata, 2816K rodata, 2048K init, 854K bss, 133196K reserved, 262144K cma-reserved, 3264512K 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 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+0x344/0x518 with crng_init=0
[    0.000007] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[    0.000022] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[    0.000097] bcm2835: system timer (irq = 17)
[    0.000740] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000755] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000771] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000783] Switching to timer-based delay loop, resolution 18ns
[    0.001018] Console: colour dummy device 80x30
[    0.001051] printk: console [tty1] enabled
[    0.001101] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.001123] pid_max: default: 32768 minimum: 301
[    0.001269] LSM: Security Framework initializing
[    0.001461] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.001484] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.002823] Disabling memory control group subsystem
[    0.002945] CPU: Testing write buffer coherency: ok
[    0.003445] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.004356] Setting up static identity map for 0x200000 - 0x20003c
[    0.004561] rcu: Hierarchical SRCU implementation.
[    0.005244] smp: Bringing up secondary CPUs ...
[    0.006429] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.007751] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.009018] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.009174] smp: Brought up 1 node, 4 CPUs
[    0.009190] SMP: Total of 4 processors activated (432.00 BogoMIPS).
[    0.009203] CPU: All CPU(s) started in HYP mode.
[    0.009215] CPU: Virtualization extensions available.
[    0.010018] devtmpfs: initialized
[    0.023820] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0
[    0.024066] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.024094] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.030905] pinctrl core: initialized pinctrl subsystem
[    0.031903] NET: Registered protocol family 16
[    0.035801] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[    0.036373] audit: initializing netlink subsys (disabled)
[    0.036620] audit: type=2000 audit(0.030:1): state=initialized audit_enabled=0 res=1
[    0.037763] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.037777] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.038095] Serial: AMBA PL011 UART driver
[    0.041645] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.060818] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-11-30 22:12, variant start
[    0.070832] raspberrypi-firmware soc:firmware: Firmware hash is ab1181cc0cb6df52bfae3b1d3fef0ce7c325166c
[    0.126291] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[    0.131428] vgaarb: loaded
[    0.131892] SCSI subsystem initialized
[    0.132119] usbcore: registered new interface driver usbfs
[    0.132177] usbcore: registered new interface driver hub
[    0.132311] usbcore: registered new device driver usb
[    0.132645] usb_phy_generic phy: phy supply vcc not found, using dummy regulator
[    0.134495] clocksource: Switched to clocksource arch_sys_counter
[    0.893885] VFS: Disk quotas dquot_6.6.0
[    0.893986] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.894151] FS-Cache: Loaded
[    0.894360] CacheFiles: Loaded
[    0.904884] thermal_sys: Registered thermal governor 'step_wise'
[    0.905252] NET: Registered protocol family 2
[    0.905986] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.906016] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.906074] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.906142] TCP: Hash tables configured (established 8192 bind 8192)
[    0.906288] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.906319] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.906575] NET: Registered protocol family 1
[    0.907301] RPC: Registered named UNIX socket transport module.
[    0.907315] RPC: Registered udp transport module.
[    0.907328] RPC: Registered tcp transport module.
[    0.907340] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.907362] PCI: CLS 0 bytes, default 64
[    0.909271] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[    0.911478] Initialise system trusted keyrings
[    0.911704] workingset: timestamp_bits=14 max_order=20 bucket_order=6
[    0.922781] FS-Cache: Netfs 'nfs' registered for caching
[    0.923506] NFS: Registering the id_resolver key type
[    0.923592] Key type id_resolver registered
[    0.923606] Key type id_legacy registered
[    0.923630] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.924781] Key type asymmetric registered
[    0.924795] Asymmetric key parser 'x509' registered
[    0.924986] bounce: pool size: 64 pages
[    0.925027] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.925265] io scheduler mq-deadline registered
[    0.925279] io scheduler kyber registered
[    0.929240] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.929264] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[    0.929349] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x0603ffffff -> 0x00f8000000
[    0.929421] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x00bfffffff -> 0x0000000000
[    0.986646] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC)
[    0.986970] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    0.986988] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.987008] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    0.987067] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    0.987336] pci 0000:00:00.0: PME# supported from D0 D3hot
[    0.990634] PCI: bus0: Fast back to back transfers disabled
[    0.990866] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    0.991015] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    0.991448] pci 0000:01:00.0: PME# supported from D0 D3cold
[    0.994764] PCI: bus1: Fast back to back transfers disabled
[    0.994824] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    0.994848] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    0.994930] pci 0000:00:00.0: PCI bridge to [bus 01]
[    0.994955] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    0.995267] pcieport 0000:00:00.0: enabling device (0140 -> 0142)
[    0.995510] pcieport 0000:00:00.0: PME: Signaling with IRQ 55
[    0.995912] pcieport 0000:00:00.0: AER: enabled with IRQ 55
[    0.996255] pci 0000:01:00.0: enabling device (0140 -> 0142)
[    1.003218] iproc-rng200 fe104000.rng: hwrng registered
[    1.003552] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    1.004218] vc-sm: Videocore shared memory driver
[    1.004855] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[    1.017086] brd: module loaded
[    1.029587] loop: module loaded
[    1.031001] Loading iSCSI transport class v2.0-870.
[    1.033028] libphy: Fixed MDIO Bus: probed
[    1.033647] bcmgenet fd580000.ethernet: failed to get enet clock
[    1.033666] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[    1.033690] bcmgenet fd580000.ethernet: failed to get enet-wol clock
[    1.033711] bcmgenet fd580000.ethernet: failed to get enet-eee clock
[    1.033739] bcmgenet: Skipping UMAC reset
[    1.044576] libphy: bcmgenet MII bus: probed
[    1.134681] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[    1.135813] usbcore: registered new interface driver r8152
[    1.135880] usbcore: registered new interface driver lan78xx
[    1.135939] usbcore: registered new interface driver smsc95xx
[    1.136430] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.136464] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    1.138881] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000003000000890
[    1.140194] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    1.140211] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.140227] usb usb1: Product: xHCI Host Controller
[    1.140243] usb usb1: Manufacturer: Linux 5.4.79-v7l+ xhci-hcd
[    1.140258] usb usb1: SerialNumber: 0000:01:00.0
[    1.140872] hub 1-0:1.0: USB hub found
[    1.140969] hub 1-0:1.0: 1 port detected
[    1.141528] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.141554] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    1.141578] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    1.142060] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[    1.142077] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.142093] usb usb2: Product: xHCI Host Controller
[    1.142108] usb usb2: Manufacturer: Linux 5.4.79-v7l+ xhci-hcd
[    1.142123] usb usb2: SerialNumber: 0000:01:00.0
[    1.142731] hub 2-0:1.0: USB hub found
[    1.142802] hub 2-0:1.0: 4 ports detected
[    1.144277] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.144617] dwc_otg: FIQ enabled
[    1.144629] dwc_otg: NAK holdoff enabled
[    1.144641] dwc_otg: FIQ split-transaction FSM enabled
[    1.144669] Module dwc_common_port init
[    1.145134] usbcore: registered new interface driver uas
[    1.145237] usbcore: registered new interface driver usb-storage
[    1.145431] mousedev: PS/2 mouse device common for all mice
[    1.147289] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    1.150668] sdhci: Secure Digital Host Controller Interface driver
[    1.150681] sdhci: Copyright(c) Pierre Ossman
[    1.151308] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    1.151903] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.155813] ledtrig-cpu: registered to indicate activity on CPUs
[    1.156124] hidraw: raw HID events driver (C) Jiri Kosina
[    1.156307] usbcore: registered new interface driver usbhid
[    1.156320] usbhid: USB HID core driver
[    1.157363] vchiq: vchiq_init_state: slot_zero = (ptrval)
[    1.159285] [vc_sm_connected_init]: start
[    1.168166] [vc_sm_connected_init]: end - returning 0
[    1.170401] Initializing XFRM netlink socket
[    1.170439] NET: Registered protocol family 17
[    1.170577] Key type dns_resolver registered
[    1.170997] Registering SWP/SWPB emulation handler
[    1.171314] registered taskstats version 1
[    1.171333] Loading compiled-in X.509 certificates
[    1.171880] Key type ._fscrypt registered
[    1.171893] Key type .fscrypt registered
[    1.182598] uart-pl011 fe201000.serial: cts_event_workaround enabled
[    1.182672] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 29, base_baud = 0) is a PL011 rev2
[    1.188800] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    1.189770] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    1.189786] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    1.239025] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.240698] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.242495] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.245585] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    1.247273] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.255008] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[    1.258016] of_cfs_init
[    1.258137] of_cfs_init: OK
[    1.259155] Waiting for root device PARTUUID=0eb03f8c-02...
[    1.298181] random: fast init done
[    1.360463] mmc0: new ultra high speed DDR50 SDHC card at address aaaa
[    1.362781] mmcblk0: mmc0:aaaa SC32G 29.7 GiB
[    1.364779] mmc1: new high speed SDIO card at address 0001
[    1.367562]  mmcblk0: p1 p2
[    1.383846] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.383918] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.389223] devtmpfs: mounted
[    1.397925] Freeing unused kernel memory: 2048K
[    1.444809] Run /sbin/init as init process
[    1.504567] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    1.687217] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[    1.687235] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    1.687252] usb 1-1: Product: USB2.0 Hub
[    1.689141] hub 1-1:1.0: USB hub found
[    1.689458] hub 1-1:1.0: 4 ports detected
[    1.875551] systemd[1]: System time before build time, advancing clock.
[    1.978625] NET: Registered protocol family 10
[    1.979971] Segment Routing with IPv6
[    2.014563] usb 1-1.1: new full-speed USB device number 3 using xhci_hcd
[    2.022510] 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)
[    2.023272] systemd[1]: Detected architecture arm.
[    2.104667] systemd[1]: Set hostname to <raspberrypi>.
[    2.114814] usb 1-1.1: device descriptor read/64, error -32
[    2.344797] usb 1-1.1: device descriptor read/64, error -32
[    2.574570] usb 1-1.1: new full-speed USB device number 4 using xhci_hcd
[    2.674805] usb 1-1.1: device descriptor read/64, error -32
[    2.849962] random: systemd: uninitialized urandom read (16 bytes read)
[    2.862988] random: systemd: uninitialized urandom read (16 bytes read)
[    2.863953] systemd[1]: Listening on Journal Socket (/dev/log).
[    2.864300] random: systemd: uninitialized urandom read (16 bytes read)
[    2.864973] systemd[1]: Listening on fsck to fsckd communication Socket.
[    2.865597] systemd[1]: Listening on Syslog Socket.
[    2.867800] systemd[1]: Created slice User and Session Slice.
[    2.868660] systemd[1]: Listening on Journal Socket.
[    2.875619] systemd[1]: Mounting Kernel Debug File System...
[    2.877602] systemd[1]: Created slice system-getty.slice.
[    2.894814] usb 1-1.1: device descriptor read/64, error -32
[    2.968212] i2c /dev entries driver
[    3.015134] usb 1-1-port1: attempt power cycle
[    3.548419] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    3.641052] systemd-journald[110]: Received request to flush runtime journal from PID 1
[    3.674610] usb 1-1.1: new full-speed USB device number 5 using xhci_hcd
[    3.674959] usb 1-1.1: Device not responding to setup address.
[    3.894932] usb 1-1.1: Device not responding to setup address.
[    4.114546] usb 1-1.1: device not accepting address 5, error -71
[    4.214574] usb 1-1.1: new full-speed USB device number 6 using xhci_hcd
[    4.214849] usb 1-1.1: Device not responding to setup address.
[    4.329685] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000
[    4.330165] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000
[    4.331275] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000
[    4.331736] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000
[    4.405538] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[    4.407719] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[    4.407741] [vc_sm_connected_init]: start
[    4.412792] mc: Linux media interface: v0.10
[    4.415441] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.417949] [vc_sm_connected_init]: installed successfully
[    4.434911] usb 1-1.1: Device not responding to setup address.
[    4.438470] bcm2835_audio bcm2835_audio: card created with 8 channels
[    4.487334] videodev: Linux video capture interface: v2.00
[    4.519641] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.521784] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[    4.527111] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[    4.533745] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[    4.571181] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[    4.576456] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[    4.577022] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[    4.577580] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[    4.578010] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[    4.578049] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[    4.578086] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[    4.578138] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[    4.578168] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[    4.578461] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[    4.608613] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[    4.608661] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[    4.619273] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[    4.619334] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[    4.628432] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[    4.628474] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[    4.654603] usb 1-1.1: device not accepting address 6, error -71
[    4.655565] usb 1-1-port1: unable to enumerate USB device
[    4.853701] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
[    4.961801] [drm] No displays found. Consider forcing hotplug if HDMI is attached
[    4.961935] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
[    4.961962] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    4.961975] [drm] No driver support for vblank timestamp query.
[    4.961988] [drm] Setting vblank_disable_immediate to false because get_vblank_timestamp == NULL
[    4.965375] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
[    5.030756] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    5.161200] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    5.276178] brcmfmac: F1 signature read @0x18000000=0x15264345
[    5.295397] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    5.296244] usbcore: registered new interface driver brcmfmac
[    5.318614] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.txt failed with error -2
[    5.549461] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    5.558927] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea
[    8.927362] uart-pl011 fe201000.serial: no DMA platform data
[    9.049660] 8021q: 802.1Q VLAN Support v1.8
[    9.219274] random: crng init done
[    9.219292] random: 7 urandom warning(s) missed due to ratelimiting
[    9.604596] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
[    9.626217] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[    9.890038] bcmgenet: Skipping UMAC reset
[    9.891799] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[    9.892023] bcmgenet fd580000.ethernet eth0: Link is Down
[   10.705392] warning: process `colord-sane' used the deprecated sysctl system call with 8.1.2.
[   11.561752] broken atomic modeset userspace detected, disabling atomic
[   12.214161] broken atomic modeset userspace detected, disabling atomic
[   13.237852] broken atomic modeset userspace detected, disabling atomic
[   13.817634] broken atomic modeset userspace detected, disabling atomic
[   14.754566] broken atomic modeset userspace detected, disabling atomic
[   15.048976] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   15.340188] broken atomic modeset userspace detected, disabling atomic
[   15.668740] Bluetooth: Core ver 2.22
[   15.668782] NET: Registered protocol family 31
[   15.668787] Bluetooth: HCI device and connection manager initialized
[   15.668801] Bluetooth: HCI socket layer initialized
[   15.668809] Bluetooth: L2CAP socket layer initialized
[   15.668823] Bluetooth: SCO socket layer initialized
[   15.676677] Bluetooth: HCI UART driver ver 2.3
[   15.676685] Bluetooth: HCI UART protocol H4 registered
[   15.676722] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   15.676859] Bluetooth: HCI UART protocol Broadcom registered
[   15.826344] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   15.826353] Bluetooth: BNEP filters: protocol multicast
[   15.826367] Bluetooth: BNEP socket layer initialized
[   16.241974] broken atomic modeset userspace detected, disabling atomic
[   16.832167] broken atomic modeset userspace detected, disabling atomic
[   17.735945] broken atomic modeset userspace detected, disabling atomic
[   18.321574] broken atomic modeset userspace detected, disabling atomic