[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.19.71-rt24-v7l+ (jepler@raspberrypi) (gcc version 8.3.0 (Raspbian 8.3.0-6+rpi1)) #4 SMP PREEMPT RT Thu Apr 30 22:00:15 CDT 2020
[    0.000000] CPU: ARMv7 Processor [410fd083] revision 3 (ARMv7), cr=30c5383d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
[    0.000000] OF: fdt: Machine model: Raspberry Pi 4 Model B Rev 1.4
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] cma: Reserved 256 MiB at 0x000000001ec00000
[    0.000000] On node 0 totalpages: 2061312
[    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: 1864704 pages, LIFO batch:63
[    0.000000] random: get_random_bytes called from start_kernel+0xac/0x4fc with crng_init=0
[    0.000000] percpu: Embedded 18 pages/cpu s42400 r8192 d23136 u73728
[    0.000000] pcpu-alloc: s42400 r8192 d23136 u73728 alloc=18*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 2059584
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M cma=256M  smsc95xx.macaddr=DC:A6:32:CC:0D:63 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyS0,115200 console=tty1 root=PARTUUID=840500d6-02 rootfstype=ext4 elevator=deadline fsck.repair=yes isolcpus=3 idle=poll rootwait quiet splash plymouth.ignore-serial-consoles
[    0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 7892360K/8245248K available (8192K kernel code, 673K rwdata, 2412K rodata, 2048K init, 985K bss, 90744K reserved, 262144K cma-reserved, 7458816K highmem)
[    0.000000] Virtual kernel memory layout:
                   vector  : 0xffff0000 - 0xffff1000   (   4 kB)
                   fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
                   vmalloc : 0xf0800000 - 0xff800000   ( 240 MB)
                   lowmem  : 0xc0000000 - 0xf0000000   ( 768 MB)
                   pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
                   modules : 0xbf000000 - 0xbfe00000   (  14 MB)
                     .text : 0x(ptrval) - 0x(ptrval)   (10208 kB)
                     .init : 0x(ptrval) - 0x(ptrval)   (2048 kB)
                     .data : 0x(ptrval) - 0x(ptrval)   ( 674 kB)
                      .bss : 0x(ptrval) - 0x(ptrval)   ( 986 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 28857 entries in 85 pages
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU priority boosting: priority 1 delay 500 ms.
[    0.000000]  No expedited grace period (rcu_normal_after_boot).
[    0.000000]  Tasks RCU enabled.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] GIC: Using split EOI/Deactivate mode
[    0.000000] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000002] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000006] Switching to timer-based delay loop, resolution 18ns
[    0.000106] Console: colour dummy device 80x30
[    0.000118] console [tty1] enabled
[    0.000130] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.000135] pid_max: default: 32768 minimum: 301
[    0.000253] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000260] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000676] CPU: Testing write buffer coherency: ok
[    0.000901] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.060056] Setting up static identity map for 0x200000 - 0x20003c
[    0.100042] rcu: Hierarchical SRCU implementation.
[    0.180108] smp: Bringing up secondary CPUs ...
[    0.320432] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.460510] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.600606] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.600685] smp: Brought up 1 node, 4 CPUs
[    0.600693] SMP: Total of 4 processors activated (432.00 BogoMIPS).
[    0.600699] CPU: All CPU(s) started in HYP mode.
[    0.600704] CPU: Virtualization extensions available.
[    0.601264] devtmpfs: initialized
[    0.609709] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0
[    0.610000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.610015] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.613458] pinctrl core: initialized pinctrl subsystem
[    0.614347] NET: Registered protocol family 16
[    0.616577] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[    0.617802] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.617808] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.617950] Serial: AMBA PL011 UART driver
[    0.620066] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.652520] bcm2835-dma fe007000.dma: DMA legacy API manager at (ptrval), dmachans=0x1
[    0.654423] vgaarb: loaded
[    0.654668] SCSI subsystem initialized
[    0.654861] usbcore: registered new interface driver usbfs
[    0.654911] usbcore: registered new interface driver hub
[    0.654994] usbcore: registered new device driver usb
[    0.670531] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-08-19 17:38, variant start
[    0.670605] raspberrypi-firmware soc:firmware: Firmware hash is e90cba19a98a0d1f2ef086b9cafcbca00778f094
[    0.681789] clocksource: Switched to clocksource arch_sys_counter
[    0.769751] VFS: Disk quotas dquot_6.6.0
[    0.769807] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.770079] FS-Cache: Loaded
[    0.770224] CacheFiles: Loaded
[    0.770616] simple-framebuffer: probe of 0.framebuffer failed with error -12
[    0.778435] NET: Registered protocol family 2
[    0.779048] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 16384 bytes)
[    0.779072] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    0.779119] TCP bind hash table entries: 8192 (order: 5, 229376 bytes)
[    0.779293] TCP: Hash tables configured (established 8192 bind 8192)
[    0.779434] UDP hash table entries: 512 (order: 3, 32768 bytes)
[    0.779468] UDP-Lite hash table entries: 512 (order: 3, 32768 bytes)
[    0.779724] NET: Registered protocol family 1
[    0.780174] RPC: Registered named UNIX socket transport module.
[    0.780181] RPC: Registered udp transport module.
[    0.780186] RPC: Registered tcp transport module.
[    0.780192] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.780203] PCI: CLS 0 bytes, default 64
[    0.780887] kvm [1]: Error, CPU 0 not supported!
[    0.783266] Initialise system trusted keyrings
[    0.783421] workingset: timestamp_bits=14 max_order=21 bucket_order=7
[    0.793067] FS-Cache: Netfs 'nfs' registered for caching
[    0.803631] NFS: Registering the id_resolver key type
[    0.803654] Key type id_resolver registered
[    0.803661] Key type id_legacy registered
[    0.803679] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.805591] Key type asymmetric registered
[    0.805599] Asymmetric key parser 'x509' registered
[    0.805742] bounce: pool size: 64 pages
[    0.805770] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    0.805885] io scheduler noop registered
[    0.805894] io scheduler deadline registered (default)
[    0.806147] io scheduler cfq registered
[    0.806155] io scheduler mq-deadline registered (default)
[    0.806162] io scheduler kyber registered
[    0.821698] brcm-pcie fd500000.pcie: dmabounce: initialised - 32768 kB, threshold 0x00000000c0000000
[    0.821710] brcm-pcie fd500000.pcie: could not get clock
[    0.821743] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.821762] brcm-pcie fd500000.pcie:   MEM 0x600000000..0x603ffffff -> 0xf8000000
[    0.881815] brcm-pcie fd500000.pcie: link up, 5.0 Gbps x1 (!SSC)
[    0.882064] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    0.882076] pci_bus 0000:00: root bus resource [bus 00-01]
[    0.882091] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    0.882114] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    0.882194] pci 0000:00:00.0: PME# supported from D0 D3hot
[    0.883413] PCI: bus0: Fast back to back transfers disabled
[    0.883569] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    0.883637] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    0.883866] pci 0000:01:00.0: PME# supported from D0 D3hot
[    0.885071] PCI: bus1: Fast back to back transfers disabled
[    0.885108] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    0.885124] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    0.885175] pci 0000:00:00.0: PCI bridge to [bus 01]
[    0.885184] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    0.885347] pcieport 0000:00:00.0: enabling device (0140 -> 0142)
[    0.885646] pcieport 0000:00:00.0: Signaling PME with IRQ 56
[    0.885869] pcieport 0000:00:00.0: AER enabled with IRQ 56
[    0.885989] pci 0000:01:00.0: enabling device (0140 -> 0142)
[   21.320804] pci 0000:01:00.0: xHCI HW not ready after 5 sec (HC bug?) status = 0x801
[   21.320857] pci 0000:01:00.0: quirk_usb_early_handoff+0x0/0x7d4 took 19955950 usecs
[   21.323420] iproc-rng200 fe104000.rng: hwrng registered
[   21.323569] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[   21.323995] vc-sm: Videocore shared memory driver
[   21.324304] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[   21.334287] brd: module loaded
[   21.345991] loop: module loaded
[   21.346633] Loading iSCSI transport class v2.0-870.
[   21.348085] libphy: Fixed MDIO Bus: probed
[   21.348367] bcmgenet fd580000.genet: failed to get enet clock
[   21.348376] bcmgenet fd580000.genet: GENET 5.0 EPHY: 0x0000
[   21.348385] bcmgenet fd580000.genet: failed to get enet-wol clock
[   21.348394] bcmgenet fd580000.genet: failed to get enet-eee clock
[   21.348412] bcmgenet: Skipping UMAC reset
[   21.348596] unimac-mdio unimac-mdio.-19: DMA mask not set
[   21.361824] libphy: bcmgenet MII bus: probed
[   21.402202] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus at 0x(ptrval)
[   21.403011] usbcore: registered new interface driver r8152
[   21.403067] usbcore: registered new interface driver lan78xx
[   21.403117] usbcore: registered new interface driver smsc95xx
[   21.403391] xhci_hcd 0000:01:00.0: xHCI Host Controller
[   21.403410] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[   21.903467] xhci_hcd 0000:01:00.0: can't setup: -110
[   21.903488] xhci_hcd 0000:01:00.0: USB bus 1 deregistered
[   21.903537] xhci_hcd 0000:01:00.0: init 0000:01:00.0 fail, -110
[   21.903571] xhci_hcd: probe of 0000:01:00.0 failed with error -110
[   21.903820] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[   21.929342] dwc_otg fe980000.usb: base=(ptrval)
[   22.129476] Core Release: 2.80a
[   22.129483] Setting default values for core params
[   22.129497] Finished setting default values for core params
[   22.329853] Using Buffer DMA mode
[   22.329859] Periodic Transfer Interrupt Enhancement - disabled
[   22.329865] Multiprocessor Interrupt Enhancement - disabled
[   22.329871] OTG VER PARAM: 0, OTG VER FLAG: 0
[   22.329879] Dedicated Tx FIFOs mode
[   22.330174] WARN::dwc_otg_hcd_init:1043: FIQ DMA bounce buffers: virt = ded04000 dma = 0x00000000ded04000 len=9024
[   22.330189] FIQ FSM acceleration enabled for :
               Non-periodic Split Transactions
               Periodic Split Transactions
               High-Speed Isochronous Endpoints
               Interrupt/Control Split Transaction hack enabled
[   22.330196] dwc_otg: Microframe scheduler enabled
[   22.330230] WARN::hcd_init_fiq:457: FIQ on core 1
[   22.330233] WARN::hcd_init_fiq:458: FIQ ASM at c07ff018 length 36
[   22.330237] WARN::hcd_init_fiq:497: MPHI regs_base at f0810200
[   22.330253] dwc_otg fe980000.usb: DWC OTG Controller
[   22.330277] dwc_otg fe980000.usb: new USB bus registered, assigned bus number 1
[   22.330381] dwc_otg fe980000.usb: irq 38, io mem 0x00000000
[   22.330427] Init: Port Power? op_state=1
[   22.330433] Init: Power Port (0)
[   22.330598] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[   22.330606] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[   22.330613] usb usb1: Product: DWC OTG Controller
[   22.330619] usb usb1: Manufacturer: Linux 4.19.71-rt24-v7l+ dwc_otg_hcd
[   22.330626] usb usb1: SerialNumber: fe980000.usb
[   22.331164] hub 1-0:1.0: USB hub found
[   22.331193] hub 1-0:1.0: 1 port detected
[   22.331669] dwc_otg: FIQ enabled
[   22.331675] dwc_otg: NAK holdoff enabled
[   22.331680] dwc_otg: FIQ split-transaction FSM enabled
[   22.331690] Module dwc_common_port init
[   22.331877] usbcore: registered new interface driver uas
[   22.331942] usbcore: registered new interface driver usb-storage
[   22.332111] mousedev: PS/2 mouse device common for all mice
[   22.333210] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[   22.333406] bcm2835-cpufreq: min=1500000 max=1500000
[   22.333906] sdhci: Secure Digital Host Controller Interface driver
[   22.333911] sdhci: Copyright(c) Pierre Ossman
[   22.334286] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[   22.334633] sdhci-pltfm: SDHCI platform and OF driver helper
[   22.337064] hidraw: raw HID events driver (C) Jiri Kosina
[   22.337185] usbcore: registered new interface driver usbhid
[   22.337190] usbhid: USB HID core driver
[   22.337686] vchiq: vchiq_init_state: slot_zero = (ptrval), is_master = 0
[   22.338923] [vc_sm_connected_init]: start
[   22.346378] [vc_sm_connected_init]: end - returning 0
[   22.347303] Initializing XFRM netlink socket
[   22.347332] NET: Registered protocol family 17
[   22.347448] Key type dns_resolver registered
[   22.347639] Registering SWP/SWPB emulation handler
[   22.348234] registered taskstats version 1
[   22.348245] Loading compiled-in X.509 certificates
[   22.358743] uart-pl011 fe201000.serial: cts_event_workaround enabled
[   22.358810] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 34, base_baud = 0) is a PL011 rev2
[   22.361602] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[   22.362052] brcmstb_thermal fd5d2200.thermal: registered AVS TMON of-sensor driver
[   22.362507] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[   22.362514] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[   22.388487] sdhci-iproc fe340000.emmc2: Linked as a consumer to regulator.1
[   22.408816] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[   22.410431] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[   22.412053] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[   22.414952] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[   22.416568] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[   22.421822] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[   22.426412] of_cfs_init
[   22.426511] of_cfs_init: OK
[   22.427152] Waiting for root device PARTUUID=840500d6-02...
[   22.437076] random: fast init done
[   22.488599] mmc1: new high speed SDIO card at address 0001
[   22.535254] mmc0: new ultra high speed DDR50 SDXC card at address aaaa
[   22.536163] mmcblk0: mmc0:aaaa SR64G 59.5 GiB
[   22.537359]  mmcblk0: p1 p2
[   22.554881] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[   22.554889] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[   22.726890] EXT4-fs (mmcblk0p2): recovery complete
[   22.729160] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[   22.729213] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[   22.729932] devtmpfs: mounted
[   22.734736] Freeing unused kernel memory: 2048K
[   22.734841] Run /sbin/init as init process
[   23.087993] systemd[1]: System time before build time, advancing clock.
[   23.167340] NET: Registered protocol family 10
[   23.168349] Segment Routing with IPv6
[   23.202775] 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)
[   23.203291] systemd[1]: Detected architecture arm.
[   23.210537] systemd[1]: Set hostname to <linuxcnc>.
[   23.619323] systemd[1]: File /lib/systemd/system/systemd-journald.service:12 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
[   23.619334] systemd[1]: Proceeding WITHOUT firewalling in effect! (This warning is only shown for the first loaded unit using IP firewalling.)
[   23.822295] random: systemd: uninitialized urandom read (16 bytes read)
[   23.826664] random: systemd: uninitialized urandom read (16 bytes read)
[   23.827448] systemd[1]: Listening on Journal Socket.
[   23.827676] random: systemd: uninitialized urandom read (16 bytes read)
[   23.828183] systemd[1]: Listening on udev Control Socket.
[   23.841773] systemd[1]: Starting Set the console keyboard layout...
[   23.848372] systemd[1]: Starting Restore / save the current clock...
[   23.848534] systemd[1]: Reached target System Time Synchronized.
[   24.005957] i2c /dev entries driver
[   24.425522] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[   24.520580] systemd-journald[137]: Received request to flush runtime journal from PID 1
[   25.568919] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x0000ffff
[   25.606971] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00000fff
[   25.639919] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x0000ffff
[   25.640203] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[   25.674820] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x0000ffff
[   25.700436] media: Linux media interface: v0.10
[   25.705931] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[   25.705945] [vc_sm_connected_init]: start
[   25.730527] [vc_sm_connected_init]: installed successfully
[   25.803987] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[   25.832869] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
[   25.838527] videodev: Linux video capture interface: v2.00
[   26.019110] bcm2835_audio soc:audio: card created with 8 channels
[   26.140187] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[   26.209498] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[   26.278456] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[   26.412785] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[   26.412807] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[   26.458525] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[   26.458548] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[   26.464515] : bcm2835_codec_get_supported_fmts: port has more encoding than we provided space for. Some are dropped.
[   26.489171] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[   26.489192] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[   26.639086] [drm] No displays found. Consider forcing hotplug if HDMI is attached
[   26.639135] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
[   26.659646] [drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 1
[   26.659655] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   26.659661] [drm] No driver support for vblank timestamp query.
[   26.659667] [drm] Setting vblank_disable_immediate to false because get_vblank_timestamp == NULL
[   26.686341] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[   26.797848] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[   26.985175] brcmfmac: F1 signature read @0x18000000=0x15264345
[   26.991512] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   27.009835] usbcore: registered new interface driver brcmfmac
[   27.227941] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   27.241574] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea
[   27.252105] random: crng init done
[   27.252113] random: 7 urandom warning(s) missed due to ratelimiting
[   27.993280] uart-pl011 fe201000.serial: no DMA platform data
[   28.607516] 8021q: 802.1Q VLAN Support v1.8
[   28.962510] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
[   29.079153] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   29.079164] brcmfmac: power management disabled
[   29.471035] bcmgenet: Skipping UMAC reset
[   29.572345] bcmgenet fd580000.genet: configuring instance for external RGMII (no delay)
[   29.572612] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   30.642174] bcmgenet fd580000.genet eth0: Link is Down
[   34.748695] Bluetooth: Core ver 2.22
[   34.748754] NET: Registered protocol family 31
[   34.748761] Bluetooth: HCI device and connection manager initialized
[   34.748782] Bluetooth: HCI socket layer initialized
[   34.750431] Bluetooth: L2CAP socket layer initialized
[   34.750507] Bluetooth: SCO socket layer initialized
[   34.764880] Bluetooth: HCI UART driver ver 2.3
[   34.764890] Bluetooth: HCI UART protocol H4 registered
[   34.764962] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   34.770110] Bluetooth: HCI UART protocol Broadcom registered
[   34.802076] bcmgenet fd580000.genet eth0: Link is Up - 1Gbps/Full - flow control off
[   34.802109] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   35.132195] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   35.132203] Bluetooth: BNEP filters: protocol multicast
[   35.132225] Bluetooth: BNEP socket layer initialized
[   35.239749] Bluetooth: RFCOMM TTY layer initialized
[   35.239854] Bluetooth: RFCOMM socket layer initialized
[   35.239882] Bluetooth: RFCOMM ver 1.11
[   36.643817] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.eth0.retrans_time - use net.ipv6.neigh.eth0.retrans_time_ms instead