Summary
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.10.52-v7l+ (dom@buildbot) (arm-linux-gnueabihf-gcc-8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34)#1441 SMP Tue Aug 3 18:11:56 BST 2021
[ 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] random: fast init done
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] Reserved memory: created CMA memory pool at 0x000000001ac00000, size 320 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000000000-0x000000002fffffff]
[ 0.000000] Normal empty
[ 0.000000] HighMem [mem 0x0000000030000000-0x00000001ffffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000037ffffff]
[ 0.000000] node 0: [mem 0x0000000040000000-0x00000000fbffffff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x00000001ffffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x00000001ffffffff]
[ 0.000000] On node 0 totalpages: 2048000
[ 0.000000] DMA zone: 1728 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 s50764 r8192 d22964 u81920
[ 0.000000] pcpu-alloc: s50764 r8192 d22964 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: 2046272
[ 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:BE:C9:88 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=a52ad83d-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[ 0.000000] Kernel parameter elevator= does not have any effect anymore.
Please use sysfs to set IO scheduler for individual devices.
[ 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 0x0000000012400000-0x0000000016400000] (64MB)
[ 0.000000] Memory: 7705792K/8192000K available (10240K kernel code, 1364K rwdata, 3188K rodata, 2048K init, 891K bss, 158528K reserved, 327680K cma-reserved, 7405568K highmem)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] ftrace: allocating 34303 entries in 67 pages
[ 0.000000] ftrace: allocated 67 pages with 3 groups
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] Rude variant of Tasks RCU enabled.
[ 0.000000] Tracing variant of Tasks RCU enabled.
[ 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+0x3c8/0x59c with crng_init=1
[ 0.000008] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[ 0.000036] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[ 0.000099] bcm2835: system timer (irq = 25)
[ 0.000751] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[ 0.000773] 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 4398046511102ns
[ 0.000813] Switching to timer-based delay loop, resolution 18ns
[ 0.001075] Console: colour dummy device 80x30
[ 0.001845] printk: console [tty1] enabled
[ 0.001912] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[ 0.001966] pid_max: default: 32768 minimum: 301
[ 0.002143] LSM: Security Framework initializing
[ 0.002346] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.002393] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.003858] cgroup: Disabling memory control group subsystem
[ 0.004106] CPU: Testing write buffer coherency: ok
[ 0.004585] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.005832] Setting up static identity map for 0x200000 - 0x20003c
[ 0.006051] rcu: Hierarchical SRCU implementation.
[ 0.007005] smp: Bringing up secondary CPUs ...
[ 0.008233] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.009603] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.010999] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.011157] smp: Brought up 1 node, 4 CPUs
[ 0.011203] SMP: Total of 4 processors activated (432.00 BogoMIPS).
[ 0.011233] CPU: All CPU(s) started in HYP mode.
[ 0.011260] CPU: Virtualization extensions available.
[ 0.012128] devtmpfs: initialized
[ 0.026305] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8rev 0
[ 0.026563] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.026616] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 0.034669] pinctrl core: initialized pinctrl subsystem
[ 0.035767] NET: Registered protocol family 16
[ 0.039739] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.040526] audit: initializing netlink subsys (disabled)
[ 0.040846] audit: type=2000 audit(0.040:1): state=initialized audit_enabled=0 res=1
[ 0.041428] thermal_sys: Registered thermal governor 'step_wise'
[ 0.042125] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpointregisters.
[ 0.042179] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.042587] Serial: AMBA PL011 UART driver
[ 0.074772] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[ 0.090891] raspberrypi-firmware soc:firmware: Attached to firmware from 2021-08-03T18:16:37, variant start_x
[ 0.100903] raspberrypi-firmware soc:firmware: Firmware hash is 40787ee5905644f639a2a0f6e00ae12e517a2211
[ 0.141765] Kprobes globally optimized
[ 0.146948] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.151108] vgaarb: loaded
[ 0.151588] SCSI subsystem initialized
[ 0.151818] usbcore: registered new interface driver usbfs
[ 0.151921] usbcore: registered new interface driver hub
[ 0.152010] usbcore: registered new device driver usb
[ 0.152359] usb_phy_generic phy: supply vcc not found, using dummy regulator
[ 0.154260] clocksource: Switched to clocksource arch_sys_counter
[ 1.112975] VFS: Disk quotas dquot_6.6.0
[ 1.113094] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 1.113272] FS-Cache: Loaded
[ 1.113496] CacheFiles: Loaded
[ 1.123670] NET: Registered protocol family 2
[ 1.123935] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 1.125482] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[ 1.125643] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 1.125728] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 1.125824] TCP: Hash tables configured (established 8192 bind 8192)
[ 1.126003] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 1.126060] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 1.126344] NET: Registered protocol family 1
[ 1.127079] RPC: Registered named UNIX socket transport module.
[ 1.127113] RPC: Registered udp transport module.
[ 1.127141] RPC: Registered tcp transport module.
[ 1.127169] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 1.127206] PCI: CLS 0 bytes, default 64
[ 1.130123] Initialise system trusted keyrings
[ 1.130376] workingset: timestamp_bits=14 max_order=21 bucket_order=7
[ 1.138805] zbud: loaded
[ 1.140963] FS-Cache: Netfs 'nfs' registered for caching
[ 1.141726] NFS: Registering the id_resolver key type
[ 1.141780] Key type id_resolver registered
[ 1.141809] Key type id_legacy registered
[ 1.141970] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 1.142004] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 1.143071] Key type asymmetric registered
[ 1.143103] Asymmetric key parser 'x509' registered
[ 1.143309] bounce: pool size: 64 pages
[ 1.143370] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 1.143623] io scheduler mq-deadline registered
[ 1.143654] io scheduler kyber registered
[ 1.148110] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[ 1.148164] brcm-pcie fd500000.pcie: No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[ 1.148267] brcm-pcie fd500000.pcie: MEM 0x0600000000..0x063fffffff -> 0x00c0000000
[ 1.148377] brcm-pcie fd500000.pcie: IB MEM 0x0000000000..0x00bfffffff -> 0x0400000000
[ 1.206396] brcm-pcie fd500000.pcie: link up, 5.0 GT/s PCIe x1 (SSC)
[ 1.206799] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[ 1.206836] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 1.206872] pci_bus 0000:00: root bus resource [mem 0x600000000-0x63fffffff] (bus address [0xc0000000-0xffffffff])
[ 1.206984] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[ 1.207243] pci 0000:00:00.0: PME# supported from D0 D3hot
[ 1.210748] PCI: bus0: Fast back to back transfers disabled
[ 1.211102] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[ 1.211246] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[ 1.211696] pci 0000:01:00.0: PME# supported from D0 D3hot
[ 1.215191] PCI: bus1: Fast back to back transfers disabled
[ 1.215305] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[ 1.215346] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64 bit]
[ 1.215448] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 1.215487] pci 0000:00:00.0: bridge window [mem 0x600000000-0x6000fffff]
[ 1.215907] pcieport 0000:00:00.0: enabling device (0140 -> 0142)
[ 1.216169] pcieport 0000:00:00.0: PME: Signaling with IRQ 62
[ 1.224716] iproc-rng200 fe104000.rng: hwrng registered
[ 1.225042] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[ 1.225920] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[ 1.238242] brd: module loaded
[ 1.250531] loop: module loaded
[ 1.252312] Loading iSCSI transport class v2.0-870.
[ 1.255663] libphy: Fixed MDIO Bus: probed
[ 1.257359] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[ 1.274332] libphy: bcmgenet MII bus: probed
[ 1.354424] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[ 1.355614] usbcore: registered new interface driver r8152
[ 1.355698] usbcore: registered new interface driver lan78xx
[ 1.355775] usbcore: registered new interface driver smsc95xx
[ 1.403528] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 1.403583] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[ 1.406902] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000060000000890
[ 1.408248] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10
[ 1.408289] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.408326] usb usb1: Product: xHCI Host Controller
[ 1.408356] usb usb1: Manufacturer: Linux 5.10.52-v7l+ xhci-hcd
[ 1.408387] usb usb1: SerialNumber: 0000:01:00.0
[ 1.409129] hub 1-0:1.0: USB hub found
[ 1.409242] hub 1-0:1.0: 1 port detected
[ 1.409925] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 1.409968] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[ 1.410012] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[ 1.410527] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bc dDevice= 5.10
[ 1.410566] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber= 1
[ 1.410602] usb usb2: Product: xHCI Host Controller
[ 1.410632] usb usb2: Manufacturer: Linux 5.10.52-v7l+ xhci-hcd
[ 1.410662] usb usb2: SerialNumber: 0000:01:00.0
[ 1.411392] hub 2-0:1.0: USB hub found
[ 1.411478] hub 2-0:1.0: 4 ports detected
[ 1.413131] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 1.413450] dwc_otg: FIQ enabled
[ 1.413465] dwc_otg: NAK holdoff enabled
[ 1.413480] dwc_otg: FIQ split-transaction FSM enabled
[ 1.413497] Module dwc_common_port init
[ 1.413974] usbcore: registered new interface driver uas
[ 1.414098] usbcore: registered new interface driver usb-storage
[ 1.414377] mousedev: PS/2 mouse device common for all mice
[ 1.416043] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 1.419394] sdhci: Secure Digital Host Controller Interface driver
[ 1.419428] sdhci: Copyright(c) Pierre Ossman
[ 1.420164] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[ 1.420792] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.424908] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.425276] hid: raw HID events driver (C) Jiri Kosina
[ 1.425501] usbcore: registered new interface driver usbhid
[ 1.425532] usbhid: USB HID core driver
[ 1.431314] Initializing XFRM netlink socket
[ 1.431375] NET: Registered protocol family 17
[ 1.431536] Key type dns_resolver registered
[ 1.431907] Registering SWP/SWPB emulation handler
[ 1.432088] registered taskstats version 1
[ 1.432128] Loading compiled-in X.509 certificates
[ 1.433008] Key type ._fscrypt registered
[ 1.433039] Key type .fscrypt registered
[ 1.433066] Key type fscrypt-provisioning registered
[ 1.446249] uart-pl011 fe201000.serial: there is not valid maps for state default
[ 1.446578] uart-pl011 fe201000.serial: cts_event_workaround enabled
[ 1.446682] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 36, base_baud= 0) is a PL011 rev2
[ 1.453427] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 1.454624] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 1.454660] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[ 1.484970] of_cfs_init
[ 1.485255] of_cfs_init: OK
[ 1.505653] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 1.507358] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.509059] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.512136] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 1.513835] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.520818] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[ 1.521504] Waiting for root device PARTUUID=a52ad83d-02...
[ 1.585455] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[ 1.598228] mmc1: new high speed SDIO card at address 0001
[ 1.629544] mmc0: new ultra high speed DDR50 SDXC card at address aaaa
[ 1.630472] mmcblk0: mmc0:aaaa SC128 119 GiB
[ 1.633541] mmcblk0: p1 p2
[ 1.675278] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[ 1.675323] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[ 1.799795] EXT4-fs (mmcblk0p2): recovery complete
[ 1.803513] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.803614] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 1.809160] devtmpfs: mounted
[ 1.818090] Freeing unused kernel memory: 2048K
[ 1.818423] Run /sbin/init as init process
[ 1.818452] with arguments:
[ 1.818467] /sbin/init
[ 1.818480] with environment:
[ 1.818495] HOME=/
[ 1.818509] TERM=linux
[ 2.265730] systemd[1]: System time before build time, advancing clock.
[ 2.374610] NET: Registered protocol family 10
[ 2.376037] Segment Routing with IPv6
[ 2.438007] 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)
[ 2.439567] systemd[1]: Detected architecture arm.
[ 2.497846] systemd[1]: Set hostname to .
[ 3.220446] random: systemd: uninitialized urandom read (16 bytes read)
[ 3.233177] random: systemd: uninitialized urandom read (16 bytes read)
[ 3.233803] systemd[1]: Started Forward Password Requests to Wall Directory W atch.
[ 3.234521] random: systemd: uninitialized urandom read (16 bytes read)
[ 3.237742] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[ 3.238868] systemd[1]: Listening on fsck to fsckd communication Socket.
[ 3.240485] systemd[1]: Created slice system-getty.slice.
[ 3.240936] systemd[1]: Reached target Swap.
[ 3.241714] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[ 3.242438] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ 4.001265] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 4.103248] systemd-journald[119]: Received request to flush runtime journal from PID 1
[ 4.676362] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.678492] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[ 4.678519] [vc_sm_connected_init]: start
[ 4.698706] mc: Linux media interface: v0.10
[ 4.710400] [vc_sm_connected_init]: installed successfully
[ 4.728932] videodev: Linux video capture interface: v2.00
[ 4.743128] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000
[ 4.747377] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000
[ 4.755398] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000
[ 4.756155] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000
[ 4.767916] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.776976] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.781596] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.786439] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.788347] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.791967] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.801851] bcm2835_audio bcm2835_audio: card created with 8 channels
[ 5.148742] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 5.251379] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
[ 5.264993] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 5.319279] brcmfmac: F1 signature read @0x18000000=0x15264345
[ 5.343846] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 5.345779] usbcore: registered new interface driver brcmfmac
[ 5.425589] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[ 5.425691] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 5.425753] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 5.426426] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[ 5.426966] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[ 5.427311] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[ 5.427340] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[ 5.427364] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[ 5.427392] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[ 5.427425] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[ 5.427742] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[ 5.444096] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 5.444146] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 5.452586] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 5.452632] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 5.484760] [drm] No displays found. Consider forcing hotplug if HDMI is attached
[ 5.484936] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
[ 5.485907] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
[ 5.635002] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 5.635126] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 5.646630] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Jan 42021 19:56:29 version 7.45.229 (617f1f5 CY) FWID 01-2dbd9d2e
[ 7.419792] uart-pl011 fe201000.serial: no DMA platform data
[ 7.442864] 8021q: 802.1Q VLAN Support v1.8
[ 7.463525] random: crng init done
[ 7.463548] random: 7 urandom warning(s) missed due to ratelimiting
[ 7.609420] Bluetooth: Core ver 2.22
[ 7.609537] NET: Registered protocol family 31
[ 7.609554] Bluetooth: HCI device and connection manager initialized
[ 7.609584] Bluetooth: HCI socket layer initialized
[ 7.609607] Bluetooth: L2CAP socket layer initialized
[ 7.609642] Bluetooth: SCO socket layer initialized
[ 7.660489] Bluetooth: HCI UART driver ver 2.3
[ 7.660519] Bluetooth: HCI UART protocol H4 registered
[ 7.660663] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 7.661148] Bluetooth: HCI UART protocol Broadcom registered
[ 7.867866] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[ 7.874452] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 8.055979] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.055988] Bluetooth: BNEP filters: protocol multicast
[ 8.056002] Bluetooth: BNEP socket layer initialized
[ 8.141314] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay)
[ 8.141590] bcmgenet fd580000.ethernet eth0: Link is Down
[ 11.274601] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[ 11.274658] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 11.674589] usb 2-2: device descriptor read/all, error -110
[ 11.824305] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[ 12.006981] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[ 12.007001] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 12.007017] usb 1-1: Product: USB2.0 Hub
[ 12.009913] hub 1-1:1.0: USB hub found
[ 12.010239] hub 1-1:1.0: 4 ports detected
[ 12.638328] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.eth0.retrans_time - use net.ipv6.neigh.eth0.retrans_time_ms instead
[ 13.351221] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 17.274500] xhci_hcd 0000:01:00.0: Timeout while waiting for setup device command
[ 17.494596] usb 2-2: Device not responding to setup address.
[ 17.714311] usb 2-2: device not accepting address 3, error -71
[ 17.722624] usb usb2-port2: attempt power cycle
[ 18.494632] usb 2-2: Device not responding to setup address.
[ 18.714610] usb 2-2: Device not responding to setup address.
[ 18.934285] usb 2-2: device not accepting address 4, error -71
[ 19.164629] usb 2-2: Device not responding to setup address.
[ 19.384591] usb 2-2: Device not responding to setup address.
[ 19.604306] usb 2-2: device not accepting address 5, error -71
[ 19.612619] usb usb2-port2: unable to enumerate USB device
[ 251.908506] usb 2-2: new SuperSpeed Gen 1 USB device number 6 using xhci_hcd
[ 251.939584] usb 2-2: New USB device found, idVendor=046d, idProduct=086b, bcdDevice= 3.17
[ 251.939600] usb 2-2: New USB device strings: Mfr=0, Product=2, SerialNumber=3
[ 251.939611] usb 2-2: Product: BRIO 4K Stream Edition
[ 251.939622] usb 2-2: SerialNumber: 78CBE431
[ 251.953292] input: BRIO 4K Stream Edition Consumer Control as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-2/2-2:1.4/0003:046D:086B.0001/input/input0
[ 252.018367] hid-generic 0003:046D:086B.0001: input,hidraw0: USB HID v1.11 Device [BRIO 4K Stream Edition] on usb-0000:01:00.0-2/input4
[ 252.083600] uvcvideo: Found UVC 1.00 device BRIO 4K Stream Edition (046d:086b)
[ 252.089958] input: BRIO 4K Stream Edition as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-2/2-2:1.0/input/input1
[ 252.090777] usbcore: registered new interface driver uvcvideo
[ 252.090789] USB Video Class driver (1.1.1)
[ 252.126639] usb 2-2: current rate 16000 is different from the runtime rate 24000
[ 252.135137] usb 2-2: current rate 16000 is different from the runtime rate 32000
[ 252.144513] usb 2-2: current rate 16000 is different from the runtime rate 48000
[ 252.187286] usbcore: registered new interface driver snd-usb-audio
At the end even I could see that the Pi could not find a "responding" device and after pluggin it in again it found the webcam.
But what can a resolution be to recognize the cam at the startup?
Does the Pi deliver too less energy for the cam to start?
The Wansview cam has no such problems.