pi@raspberrypi:~ $ dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.14.50+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1122 Tue Jun 19 12:21:21 BST 2018 [ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi Zero W Rev 1.1 [ 0.000000] Memory policy: Data cache writeback [ 0.000000] cma: Reserved 8 MiB at 0x17400000 [ 0.000000] On node 0 totalpages: 98304 [ 0.000000] free_area_init_node: node 0, pgdat c09c04f8, node_mem_map d7c8a400 [ 0.000000] Normal zone: 864 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 98304 pages, LIFO batch:31 [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 97440 [ 0.000000] Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=1280 bcm2708_fb.fbheight=720 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:7F:71:87 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=/dev/mmcblk0p7 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait splash plymouth.ignore-serial-consoles [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Memory: 370300K/393216K available (6421K kernel code, 587K rwdata, 1988K rodata, 440K init, 677K bss, 14724K reserved, 8192K cma-reserved) [ 0.000000] Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xd8800000 - 0xff800000 ( 624 MB) lowmem : 0xc0000000 - 0xd8000000 ( 384 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .text : 0xc0008000 - 0xc064d94c (6423 kB) .init : 0xc08ca000 - 0xc0938000 ( 440 kB) .data : 0xc0938000 - 0xc09cae90 ( 588 kB) .bss : 0xc09d07d0 - 0xc0a79d24 ( 678 kB) [ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] ftrace: allocating 24091 entries in 71 pages [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000029] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns [ 0.000071] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns [ 0.000163] bcm2835: system timer (irq = 27) [ 0.000730] Console: colour dummy device 80x30 [ 0.001316] console [tty1] enabled [ 0.001366] Calibrating delay loop... 697.95 BogoMIPS (lpj=3489792) [ 0.060337] pid_max: default: 32768 minimum: 301 [ 0.060853] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.060908] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.062212] Disabling memory control group subsystem [ 0.062428] CPU: Testing write buffer coherency: ok [ 0.063547] Setting up static identity map for 0x8200 - 0x8238 [ 0.064829] devtmpfs: initialized [ 0.073898] random: get_random_u32 called from bucket_table_alloc+0x88/0x1c4 with crng_init=0 [ 0.074897] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5 [ 0.075321] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.075395] futex hash table entries: 256 (order: -1, 3072 bytes) [ 0.076751] pinctrl core: initialized pinctrl subsystem [ 0.078138] NET: Registered protocol family 16 [ 0.081212] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.087688] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers. [ 0.087760] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.087945] Serial: AMBA PL011 UART driver [ 0.090974] bcm2835-mbox 2000b880.mailbox: mailbox enabled [ 0.091756] uart-pl011 20201000.serial: could not find pctldev for node /soc/gpio@7e200000/uart0_pins, deferring probe [ 0.132066] bcm2835-dma 20007000.dma: DMA legacy API manager at d880d000, dmachans=0x1 [ 0.134336] SCSI subsystem initialized [ 0.134618] usbcore: registered new interface driver usbfs [ 0.134751] usbcore: registered new interface driver hub [ 0.134988] usbcore: registered new device driver usb [ 0.140804] raspberrypi-firmware soc:firmware: Attached to firmware from 2018-06-07 15:37 [ 0.142920] clocksource: Switched to clocksource timer [ 0.229725] VFS: Disk quotas dquot_6.6.0 [ 0.229905] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.230229] FS-Cache: Loaded [ 0.230593] CacheFiles: Loaded [ 0.247716] NET: Registered protocol family 2 [ 0.248946] TCP established hash table entries: 4096 (order: 2, 16384 bytes) [ 0.249081] TCP bind hash table entries: 4096 (order: 2, 16384 bytes) [ 0.249199] TCP: Hash tables configured (established 4096 bind 4096) [ 0.249383] UDP hash table entries: 256 (order: 0, 4096 bytes) [ 0.249444] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) [ 0.249829] NET: Registered protocol family 1 [ 0.250574] RPC: Registered named UNIX socket transport module. [ 0.250631] RPC: Registered udp transport module. [ 0.250658] RPC: Registered tcp transport module. [ 0.250682] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.252684] hw perfevents: no irqs for PMU, sampling events not supported [ 0.252808] hw perfevents: enabled with armv6_1176 PMU driver, 3 counters available [ 0.256616] workingset: timestamp_bits=14 max_order=17 bucket_order=3 [ 0.268877] FS-Cache: Netfs 'nfs' registered for caching [ 0.270253] NFS: Registering the id_resolver key type [ 0.270347] Key type id_resolver registered [ 0.270380] Key type id_legacy registered [ 0.270427] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.275180] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.275657] io scheduler noop registered [ 0.275706] io scheduler deadline registered (default) [ 0.276279] io scheduler cfq registered [ 0.276327] io scheduler mq-deadline registered [ 0.276356] io scheduler kyber registered [ 0.278673] BCM2708FB: allocated DMA memory 57500000 [ 0.278786] BCM2708FB: allocated DMA channel 0 @ d880d000 [ 0.300836] Console: switching to colour frame buffer device 160x45 [ 0.320523] bcm2835-rng 20104000.rng: hwrng registered [ 0.321002] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB) [ 0.322372] vc-sm: Videocore shared memory driver [ 0.323322] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000 [ 0.343070] brd: module loaded [ 0.355749] loop: module loaded [ 0.355934] Loading iSCSI transport class v2.0-870. [ 0.356996] usbcore: registered new interface driver smsc95xx [ 0.357259] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 0.585865] Core Release: 2.80a [ 0.591600] Setting default values for core params [ 0.597293] Finished setting default values for core params [ 0.803270] Using Buffer DMA mode [ 0.808869] Periodic Transfer Interrupt Enhancement - disabled [ 0.814483] Multiprocessor Interrupt Enhancement - disabled [ 0.820002] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 0.825621] Dedicated Tx FIFOs mode [ 0.832048] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xd7514000 dma = 0x57514000 len=9024 [ 0.837988] FIQ FSM acceleration enabled for : Non-periodic Split Transactions Periodic Split Transactions High-Speed Isochronous Endpoints Interrupt/Control Split Transaction hack enabled [ 0.866503] dwc_otg: Microframe scheduler enabled [ 0.866764] WARN::hcd_init_fiq:459: FIQ on core 0 at 0xc049a168 [ 0.872435] WARN::hcd_init_fiq:460: FIQ ASM at 0xc049a444 length 36 [ 0.878032] WARN::hcd_init_fiq:486: MPHI regs_base at 0xd88a5000 [ 0.883744] dwc_otg 20980000.usb: DWC OTG Controller [ 0.889370] dwc_otg 20980000.usb: new USB bus registered, assigned bus number 1 [ 0.895207] dwc_otg 20980000.usb: irq 56, io mem 0x00000000 [ 0.900846] Init: Port Power? op_state=1 [ 0.906424] Init: Power Port (0) [ 0.912224] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.917870] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.923546] usb usb1: Product: DWC OTG Controller [ 0.929137] usb usb1: Manufacturer: Linux 4.14.50+ dwc_otg_hcd [ 0.934799] usb usb1: SerialNumber: 20980000.usb [ 0.941740] hub 1-0:1.0: USB hub found [ 0.947662] hub 1-0:1.0: 1 port detected [ 0.954377] dwc_otg: FIQ enabled [ 0.954389] dwc_otg: NAK holdoff enabled [ 0.954396] dwc_otg: FIQ split-transaction FSM enabled [ 0.954415] Module dwc_common_port init [ 0.954923] usbcore: registered new interface driver usb-storage [ 0.961205] mousedev: PS/2 mouse device common for all mice [ 0.967062] IR NEC protocol handler initialized [ 0.972616] IR RC5(x/sz) protocol handler initialized [ 0.978148] IR RC6 protocol handler initialized [ 0.983618] IR JVC protocol handler initialized [ 0.988848] IR Sony protocol handler initialized [ 0.994179] IR SANYO protocol handler initialized [ 0.999475] IR Sharp protocol handler initialized [ 1.004649] IR MCE Keyboard/mouse protocol handler initialized [ 1.009872] IR XMP protocol handler initialized [ 1.016457] bcm2835-wdt 20100000.watchdog: Broadcom BCM2835 watchdog timer [ 1.022387] bcm2835-cpufreq: min=700000 max=1000000 [ 1.028479] sdhci: Secure Digital Host Controller Interface driver [ 1.033922] sdhci: Copyright(c) Pierre Ossman [ 1.039876] mmc-bcm2835 20300000.mmc: could not get clk, deferring probe [ 1.046098] sdhost-bcm2835 20202000.mmc: could not get clk, deferring probe [ 1.051759] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.057920] ledtrig-cpu: registered to indicate activity on CPUs [ 1.063811] hidraw: raw HID events driver (C) Jiri Kosina [ 1.069316] usbcore: registered new interface driver usbhid [ 1.074668] usbhid: USB HID core driver [ 1.080937] vchiq: vchiq_init_state: slot_zero = d7580000, is_master = 0 [ 1.088545] [vc_sm_connected_init]: start [ 1.100000] [vc_sm_connected_init]: end - returning 0 [ 1.106646] Initializing XFRM netlink socket [ 1.112144] NET: Registered protocol family 17 [ 1.117679] Key type dns_resolver registered [ 1.125045] registered taskstats version 1 [ 1.138675] uart-pl011 20201000.serial: cts_event_workaround enabled [ 1.144414] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq = 81, base_baud = 0) is a PL011 rev2 [ 1.153076] mmc-bcm2835 20300000.mmc: mmc_debug:0 mmc_debug2:0 [ 1.158768] mmc-bcm2835 20300000.mmc: DMA channel allocated [ 1.225501] sdhost: log_buf @ d7513000 (57513000) [ 1.267462] mmc1: queuing unknown CIS tuple 0x80 (2 bytes) [ 1.274776] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.281853] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 1.290290] mmc1: queuing unknown CIS tuple 0x80 (7 bytes) [ 1.310583] random: fast init done [ 1.316001] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 1.322523] of_cfs_init [ 1.348353] of_cfs_init: OK [ 1.355044] Waiting for root device /dev/mmcblk0p7... [ 1.410624] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.418929] mmc0: new high speed SDHC card at address 0007 [ 1.425751] mmcblk0: mmc0:0007 SD16G 14.6 GiB [ 1.437784] mmcblk0: p1 p2 < p5 p6 p7 > [ 1.473710] mmc1: new high speed SDIO card at address 0001 [ 1.497546] EXT4-fs (mmcblk0p7): mounted filesystem with ordered data mode. Opts: (null) [ 1.503556] VFS: Mounted root (ext4 filesystem) readonly on device 179:7. [ 1.520086] devtmpfs: mounted [ 1.528434] Freeing unused kernel memory: 440K [ 1.534089] This architecture does not have kernel memory protection. [ 2.086215] systemd[1]: System time before build time, advancing clock. [ 2.260436] NET: Registered protocol family 10 [ 2.268399] Segment Routing with IPv6 [ 2.289091] ip_tables: (C) 2000-2006 Netfilter Core Team [ 2.320674] random: systemd: uninitialized urandom read (16 bytes read) [ 2.336202] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 2.349578] systemd[1]: Detected architecture arm. [ 2.378849] systemd[1]: Set hostname to . [ 2.438485] random: systemd: uninitialized urandom read (16 bytes read) [ 2.672602] random: systemd-gpt-aut: uninitialized urandom read (16 bytes read) [ 3.518602] systemd[1]: Listening on fsck to fsckd communication Socket. [ 3.534270] systemd[1]: Listening on udev Kernel Socket. [ 3.548665] systemd[1]: Listening on udev Control Socket. [ 3.563410] systemd[1]: Listening on Journal Socket. [ 3.577970] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe. [ 3.594199] systemd[1]: Created slice User and Session Slice. [ 3.609466] systemd[1]: Listening on Journal Socket (/dev/log). [ 3.869878] i2c /dev entries driver [ 27.143858] EXT4-fs (mmcblk0p7): re-mounted. Opts: (null) [ 27.535211] systemd-journald[67]: Received request to flush runtime journal from PID 1 [ 30.431629] snd-hifiberry-dac soc:sound: pcm5102a-hifi <-> 20203000.i2s mapping ok [ 31.153383] brcmfmac: F1 signature read @0x18000000=0x1541a9a6 [ 31.172556] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac43430-sdio.bin for chip 0x00a9a6(43430) rev 0x000001 [ 31.174618] usbcore: registered new interface driver brcmfmac [ 31.558002] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f [ 31.560280] brcmfmac: brcmf_c_preinit_dcmds: CLM version = API: 12.2 Data: 7.11.15 Compiler: 1.24.2 ClmImport: 1.24.1 Creation: 2014-05-26 10:53:55 Inc Data: 9.10.39 Inc Compiler: 1.29.4 Inc ClmImport: 1.36.3 Creation: 2017-10-23 03:47:14 [ 37.034975] uart-pl011 20201000.serial: no DMA platform data [ 39.295533] random: crng init done [ 39.295556] random: 7 urandom warning(s) missed due to ratelimiting [ 39.379004] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 39.379030] brcmfmac: power management disabled [ 40.737855] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS [ 41.879613] Bluetooth: Core ver 2.22 [ 41.879779] NET: Registered protocol family 31 [ 41.879787] Bluetooth: HCI device and connection manager initialized [ 41.879813] Bluetooth: HCI socket layer initialized [ 41.879828] Bluetooth: L2CAP socket layer initialized [ 41.879872] Bluetooth: SCO socket layer initialized [ 41.947524] Bluetooth: HCI UART driver ver 2.3 [ 41.947542] Bluetooth: HCI UART protocol H4 registered [ 41.947547] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 41.979419] Bluetooth: HCI UART protocol Broadcom registered [ 42.444294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.197243] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 44.197257] Bluetooth: BNEP filters: protocol multicast [ 44.197280] Bluetooth: BNEP socket layer initialized [ 44.836967] Bluetooth: RFCOMM TTY layer initialized [ 44.837001] Bluetooth: RFCOMM socket layer initialized [ 44.837035] Bluetooth: RFCOMM ver 1.11 [ 53.563097] fuse init (API version 7.26) [ 80.258768] EXT4-fs (mmcblk0p5): mounted filesystem with ordered data mode. Opts: (null) [373250.198061] Indeed it is in host mode hprt0 = 00021501 [373254.448116] Indeed it is in host mode hprt0 = 00021501 [373255.628132] Indeed it is in host mode hprt0 = 00021501 [373255.837993] usb 1-1: new full-speed USB device number 4 using dwc_otg [373255.856490] Indeed it is in host mode hprt0 = 00021501 [373256.058026] ERROR::dwc_otg_hcd_urb_enqueue:495: Not connected [373256.278031] ERROR::dwc_otg_hcd_urb_enqueue:495: Not connected