root@raspberrypi2:~# dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.19.81-v7 (oe-user@oe-host) (gcc version 9.2.0 (GCC)) #1 SMP Fri May 21 11:41:29 UTC 2021 [ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi 3 Model B Plus Rev 1.3 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] cma: Reserved 8 MiB at 0x3ac00000 [ 0.000000] On node 0 totalpages: 242688 [ 0.000000] Normal zone: 2133 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 242688 pages, LIFO batch:63 [ 0.000000] random: get_random_bytes called from start_kernel+0xb0/0x4c0 with crng_init=0 [ 0.000000] percpu: Embedded 16 pages/cpu s36684 r8192 d20660 u65536 [ 0.000000] pcpu-alloc: s36684 r8192 d20660 u65536 alloc=16*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240555 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 bcm2708_fb.fbwidth=800 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 root=/dev/mmcblk0p2 rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 939076K/970752K available (8192K kernel code, 653K rwdata, 2248K rodata, 1024K init, 820K bss, 23484K reserved, 8192K cma-reserved) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xbb800000 - 0xff800000 (1088 MB) [ 0.000000] lowmem : 0x80000000 - 0xbb400000 ( 948 MB) [ 0.000000] modules : 0x7f000000 - 0x80000000 ( 16 MB) [ 0.000000] .text : 0x(ptrval) - 0x(ptrval) (9184 kB) [ 0.000000] .init : 0x(ptrval) - 0x(ptrval) (1024 kB) [ 0.000000] .data : 0x(ptrval) - 0x(ptrval) ( 654 kB) [ 0.000000] .bss : 0x(ptrval) - 0x(ptrval) ( 821 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 26778 entries in 79 pages [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns [ 0.000007] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns [ 0.000022] Switching to timer-based delay loop, resolution 52ns [ 0.000290] Console: colour dummy device 80x30 [ 0.000340] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000) [ 0.000361] pid_max: default: 32768 minimum: 301 [ 0.000693] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000715] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.001637] CPU: Testing write buffer coherency: ok [ 0.002094] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.002737] Setting up static identity map for 0x100000 - 0x10003c [ 0.002886] rcu: Hierarchical SRCU implementation. [ 0.003676] smp: Bringing up secondary CPUs ... [ 0.004508] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.005434] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.006277] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.006397] smp: Brought up 1 node, 4 CPUs [ 0.006427] SMP: Total of 4 processors activated (153.60 BogoMIPS). [ 0.006437] CPU: All CPU(s) started in HYP mode. [ 0.006445] CPU: Virtualization extensions available. [ 0.007396] devtmpfs: initialized [ 0.020251] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4 [ 0.020494] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.020518] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.021132] pinctrl core: initialized pinctrl subsystem [ 0.021988] NET: Registered protocol family 16 [ 0.024685] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.030218] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.030231] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.030439] Serial: AMBA PL011 UART driver [ 0.033160] bcm2835-mbox 3f00b880.mailbox: mailbox enabled [ 0.067877] bcm2835-dma 3f007000.dma: DMA legacy API manager at (ptrval), dmachans=0x1 [ 0.069534] SCSI subsystem initialized [ 0.069757] usbcore: registered new interface driver usbfs [ 0.069823] usbcore: registered new interface driver hub [ 0.069921] usbcore: registered new device driver usb [ 0.090097] raspberrypi-firmware soc:firmware: Attached to firmware from 2019-09-24 17:37, variant start [ 0.100338] raspberrypi-firmware soc:firmware: Firmware hash is 6820edeee4ef3891b95fc01cf02a7abd7ca52f17 [ 0.111508] clocksource: Switched to clocksource arch_sys_counter [ 0.199402] VFS: Disk quotas dquot_6.6.0 [ 0.199493] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.199650] FS-Cache: Loaded [ 0.199856] CacheFiles: Loaded [ 0.200020] simple-framebuffer 3ea81000.framebuffer: framebuffer at 0x3ea81000, 0x177000 bytes, mapped to 0x(ptrval) [ 0.200039] simple-framebuffer 3ea81000.framebuffer: format=a8r8g8b8, mode=800x480x32, linelength=3200 [ 0.206839] Console: switching to colour frame buffer device 100x30 [ 0.212478] simple-framebuffer 3ea81000.framebuffer: fb0: simplefb registered! [ 0.222396] NET: Registered protocol family 2 [ 0.223232] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes) [ 0.223273] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.223386] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.223576] TCP: Hash tables configured (established 8192 bind 8192) [ 0.223708] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.223763] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.224002] NET: Registered protocol family 1 [ 0.224569] RPC: Registered named UNIX socket transport module. [ 0.224581] RPC: Registered udp transport module. [ 0.224591] RPC: Registered tcp transport module. [ 0.224602] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.225739] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available [ 0.228725] Initialise system trusted keyrings [ 0.228918] workingset: timestamp_bits=14 max_order=18 bucket_order=4 [ 0.238816] FS-Cache: Netfs 'nfs' registered for caching [ 0.239397] NFS: Registering the id_resolver key type [ 0.239427] Key type id_resolver registered [ 0.239438] Key type id_legacy registered [ 0.239458] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.241772] Key type asymmetric registered [ 0.241787] Asymmetric key parser 'x509' registered [ 0.241842] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 0.242000] io scheduler noop registered [ 0.242012] io scheduler deadline registered [ 0.242196] io scheduler cfq registered (default) [ 0.242208] io scheduler mq-deadline registered [ 0.242219] io scheduler kyber registered [ 0.244474] bcm2708_fb soc:fb: FB found 1 display(s) [ 0.245492] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 800x480 [ 0.246520] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled [ 0.248220] bcm2835-rng 3f104000.rng: hwrng registered [ 0.248544] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB) [ 0.249057] vc-sm: Videocore shared memory driver [ 0.249387] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000 [ 0.260091] brd: module loaded [ 0.269839] loop: module loaded [ 0.270437] Loading iSCSI transport class v2.0-870. [ 0.271106] libphy: Fixed MDIO Bus: probed [ 0.271213] usbcore: registered new interface driver lan78xx [ 0.271274] usbcore: registered new interface driver smsc95xx [ 0.271294] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 0.271563] dwc_otg 3f980000.usb: base=(ptrval) [ 0.471794] Core Release: 2.80a [ 0.471808] Setting default values for core params [ 0.471835] Finished setting default values for core params [ 0.672140] Using Buffer DMA mode [ 0.672152] Periodic Transfer Interrupt Enhancement - disabled [ 0.672162] Multiprocessor Interrupt Enhancement - disabled [ 0.672174] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 0.672195] Dedicated Tx FIFOs mode [ 0.672675] WARN::dwc_otg_hcd_init:1043: FIQ DMA bounce buffers: virt = bad14000 dma = 0xfad14000 len=9024 [ 0.672704] FIQ FSM acceleration enabled for : [ 0.672704] Non-periodic Split Transactions [ 0.672704] Periodic Split Transactions [ 0.672704] High-Speed Isochronous Endpoints [ 0.672704] Interrupt/Control Split Transaction hack enabled [ 0.672728] dwc_otg: Microframe scheduler enabled [ 0.672789] WARN::hcd_init_fiq:457: FIQ on core 1 [ 0.672805] WARN::hcd_init_fiq:458: FIQ ASM at 8068575c length 36 [ 0.672822] WARN::hcd_init_fiq:496: MPHI regs_base at bb810000 [ 0.672843] dwc_otg 3f980000.usb: DWC OTG Controller [ 0.672879] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1 [ 0.672917] dwc_otg 3f980000.usb: irq 56, io mem 0x00000000 [ 0.672967] Init: Port Power? op_state=1 [ 0.672976] Init: Power Port (0) [ 0.673229] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19 [ 0.673246] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.673259] usb usb1: Product: DWC OTG Controller [ 0.673273] usb usb1: Manufacturer: Linux 4.19.81-v7 dwc_otg_hcd [ 0.673287] usb usb1: SerialNumber: 3f980000.usb [ 0.673881] hub 1-0:1.0: USB hub found [ 0.673938] hub 1-0:1.0: 1 port detected [ 0.674500] dwc_otg: FIQ enabled [ 0.674506] dwc_otg: NAK holdoff enabled [ 0.674511] dwc_otg: FIQ split-transaction FSM enabled [ 0.674522] Module dwc_common_port init [ 0.674772] usbcore: registered new interface driver usb-storage [ 0.674949] mousedev: PS/2 mouse device common for all mice [ 0.675809] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer [ 0.676016] bcm2835-cpufreq: min=600000 max=1400000 [ 0.676462] sdhci: Secure Digital Host Controller Interface driver [ 0.676473] sdhci: Copyright(c) Pierre Ossman [ 0.676855] mmc-bcm2835 3f300000.mmcnr: could not get clk, deferring probe [ 0.677246] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe [ 0.677377] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.678809] ledtrig-cpu: registered to indicate activity on CPUs [ 0.678965] hidraw: raw HID events driver (C) Jiri Kosina [ 0.679162] usbcore: registered new interface driver usbhid [ 0.679173] usbhid: USB HID core driver [ 0.679889] vchiq: vchiq_init_state: slot_zero = (ptrval), is_master = 0 [ 0.681184] [vc_sm_connected_init]: start [ 0.688444] [vc_sm_connected_init]: end - returning 0 [ 0.689520] Initializing XFRM netlink socket [ 0.689549] NET: Registered protocol family 17 [ 0.689674] Key type dns_resolver registered [ 0.689986] Registering SWP/SWPB emulation handler [ 0.690627] registered taskstats version 1 [ 0.690648] Loading compiled-in X.509 certificates [ 0.697782] uart-pl011 3f201000.serial: cts_event_workaround enabled [ 0.697867] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2 [ 1.708672] console [ttyAMA0] enabled [ 1.714098] 3f215040.serial: ttyS0 at MMIO 0x0 (irq = 53, base_baud = 50000000) is a 16550 [ 1.723459] mmc-bcm2835 3f300000.mmcnr: mmc_debug:0 mmc_debug2:0 [ 1.729468] mmc-bcm2835 3f300000.mmcnr: DMA channel allocated [ 1.761466] sdhost: log_buf @ (ptrval) (fad13000) [ 1.802316] mmc1: queuing unknown CIS tuple 0x80 (2 bytes) [ 1.809375] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.814919] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 1.821755] of_cfs_init [ 1.824282] of_cfs_init: OK [ 1.827554] uart-pl011 3f201000.serial: no DMA platform data [ 1.853646] Waiting for root device /dev/mmcblk0p2... [ 1.853999] Indeed it is in host mode hprt0 = 00021501 [ 1.923886] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.932205] mmc1: queuing unknown CIS tuple 0x80 (7 bytes) [ 1.943403] random: fast init done [ 1.970630] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.982669] mmc0: new high speed SDHC card at address 0007 [ 1.989370] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 1.995720] mmcblk0: p1 p2 p3 p4 [ 2.010002] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 2.018173] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 2.025835] mmc1: new high speed SDIO card at address 0001 [ 2.025838] devtmpfs: mounted [ 2.036103] Freeing unused kernel memory: 1024K [ 2.061975] Run /sbin/init as init process [ 2.071554] usb 1-1: new high-speed USB device number 2 using dwc_otg [ 2.078116] Indeed it is in host mode hprt0 = 00001101 [ 2.321862] usb 1-1: New USB device found, idVendor=0424, idProduct=2514, bcdDevice= b.b3 [ 2.330069] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.338000] hub 1-1:1.0: USB hub found [ 2.341869] hub 1-1:1.0: 4 ports detected [ 2.490159] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 2.661557] usb 1-1.1: new high-speed USB device number 3 using dwc_otg [ 2.791792] usb 1-1.1: New USB device found, idVendor=0424, idProduct=2514, bcdDevice= b.b3 [ 2.800148] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.808108] hub 1-1.1:1.0: USB hub found [ 2.812135] hub 1-1.1:1.0: 3 ports detected [ 3.169312] dwc_otg_handle_wakeup_detected_intr lxstate = 2 [ 3.239134] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 3.261998] EXT4-fs (mmcblk0p4): mounted filesystem with ordered data mode. Opts: (null) [ 3.421637] udevd[127]: starting version 3.2.8 [ 3.463025] random: udevd: uninitialized urandom read (16 bytes read) [ 3.470300] random: udevd: uninitialized urandom read (16 bytes read) [ 3.476885] random: udevd: uninitialized urandom read (16 bytes read) [ 3.526805] udevd[128]: starting eudev-3.2.8 [ 3.571581] usb 1-1.1.1: new high-speed USB device number 4 using dwc_otg [ 3.659326] rpi-ft5406 rpi_ft5406: Probing device [ 3.668938] input: FT5406 memory based driver as /devices/virtual/input/input0 [ 3.700359] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. [ 3.710859] usb 1-1.1.1: New USB device found, idVendor=0424, idProduct=7800, bcdDevice= 3.00 [ 3.714986] bcm2835_vc_sm_cma_probe: Videocore shared memory driver [ 3.719513] usb 1-1.1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.725840] [vc_sm_connected_init]: start [ 3.738291] [vc_sm_connected_init]: installed successfully [ 3.839188] media: Linux media interface: v0.10 [ 3.900918] videodev: Linux video capture interface: v2.00 [ 3.999075] lan78xx 1-1.1.1:1.0 (unnamed net_device) (uninitialized): No External EEPROM. Setting MAC Speed [ 4.010121] libphy: lan78xx-mdiobus: probed [ 4.066289] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 4.081866] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 4.081871] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 4.125932] lan78xx 1-1.1.1:1.0 (unnamed net_device) (uninitialized): int urb period 64 [ 4.131681] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. [ 4.155678] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 4.184872] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 4.187813] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 [ 4.217647] bcm2835-codec bcm2835-codec: Loaded V4L2 decode [ 4.230161] bcm2835-codec bcm2835-codec: Device registered as /dev/video11 [ 4.239005] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [ 4.254192] bcm2835-codec bcm2835-codec: Device registered as /dev/video12 [ 4.266128] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 4.292032] brcmfmac: F1 signature read @0x18000000=0x15264345 [ 4.308859] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 4.316114] random: crng init done [ 4.320887] random: 2 urandom warning(s) missed due to ratelimiting [ 4.330382] usbcore: registered new interface driver brcmfmac [ 4.565885] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 4.626949] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Feb 27 2018 03:15:32 version 7.45.154 (r684107 CY) FWID 01-4fbe0b04 [ 4.980102] Bluetooth: Core ver 2.22 [ 4.983929] NET: Registered protocol family 31 [ 4.988386] Bluetooth: HCI device and connection manager initialized [ 4.994978] Bluetooth: HCI socket layer initialized [ 4.999962] Bluetooth: L2CAP socket layer initialized [ 5.005073] Bluetooth: SCO socket layer initialized [ 5.026116] Bluetooth: HCI UART driver ver 2.3 [ 5.030598] Bluetooth: HCI UART protocol H4 registered [ 5.036032] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 5.042543] Bluetooth: HCI UART protocol Broadcom registered [ 5.376281] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 9.326697] NET: Registered protocol family 10 [ 9.332808] Segment Routing with IPv6 [ 9.373245] watchdog: watchdog0: watchdog did not stop! [ 29.467342] NET: Registered protocol family 38 [ 29.493702] cryptd: max_cpu_qlen set to 1000 [ 29.686134] EXT4-fs (mmcblk0p2): resizing filesystem from 431320 to 2519040 blocks [ 30.961797] EXT4-fs (mmcblk0p2): resized filesystem to 2519040 [ 40.943027] IPv6: ADDRCONF(NETDEV_UP): ll-eth0: link is not ready [ 41.056050] device eth0 entered promiscuous mode [ 41.062100] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 41.087164] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 41.094365] IPv6: ADDRCONF(NETDEV_CHANGE): ll-eth0: link becomes ready [ 41.132898] 8021q: 802.1Q VLAN Support v1.8 [ 41.137163] 8021q: adding VLAN 0 to HW filter on device eth0 [ 41.143424] 8021q: adding VLAN 0 to HW filter on device ll-eth0 [ 47.070756] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null) root@raspberrypi2:~#