[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.4.79-v7+ (dom@buildbot) (gcc version 8.4.0 (Ubuntu/Linaro 8.4.0-3ubuntu1)) #1373 SMP Mon Nov 23 13:22:33 GMT 2020 [ 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 Rev 1.2 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] Reserved memory: created CMA memory pool at 0x37400000, size 64 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 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] percpu: Embedded 20 pages/cpu s49740 r8192 d23988 u81920 [ 0.000000] pcpu-alloc: s49740 r8192 d23988 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: 240555 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=09c55868-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 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] Memory: 880480K/970752K available (9216K kernel code, 698K rwdata, 2608K rodata, 1024K init, 827K bss, 24736K reserved, 65536K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 29201 entries in 58 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] random: get_random_bytes called from start_kernel+0x324/0x4f8 with crng_init=0 [ 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 [ 0.000021] Switching to timer-based delay loop, resolution 52ns [ 0.000287] Console: colour dummy device 80x30 [ 0.000879] printk: console [tty1] enabled [ 0.000945] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000) [ 0.000993] pid_max: default: 32768 minimum: 301 [ 0.001199] LSM: Security Framework initializing [ 0.001435] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.001482] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.002949] Disabling memory control group subsystem [ 0.003088] CPU: Testing write buffer coherency: ok [ 0.003674] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.004631] Setting up static identity map for 0x100000 - 0x10003c [ 0.004849] rcu: Hierarchical SRCU implementation. [ 0.005550] smp: Bringing up secondary CPUs ... [ 0.006693] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.007969] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.009129] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.009283] smp: Brought up 1 node, 4 CPUs [ 0.009373] SMP: Total of 4 processors activated (153.60 BogoMIPS). [ 0.009401] CPU: All CPU(s) started in HYP mode. [ 0.009426] CPU: Virtualization extensions available. [ 0.010518] devtmpfs: initialized [ 0.026550] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4 [ 0.026848] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.026905] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.030247] pinctrl core: initialized pinctrl subsystem [ 0.031405] NET: Registered protocol family 16 [ 0.035603] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.040489] audit: initializing netlink subsys (disabled) [ 0.040785] audit: type=2000 audit(0.040:1): state=initialized audit_enabled=0 res=1 [ 0.042144] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.042184] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.042417] Serial: AMBA PL011 UART driver [ 0.044385] bcm2835-mbox 3f00b880.mailbox: mailbox enabled [ 0.060088] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-11-30 22:13, variant start [ 0.070102] raspberrypi-firmware soc:firmware: Firmware hash is ab1181cc0cb6df52bfae3b1d3fef0ce7c325166c [ 0.121908] bcm2835-dma 3f007000.dma: DMA legacy API manager, dmachans=0x1 [ 0.124089] SCSI subsystem initialized [ 0.124361] usbcore: registered new interface driver usbfs [ 0.124444] usbcore: registered new interface driver hub [ 0.124588] usbcore: registered new device driver usb [ 0.126469] clocksource: Switched to clocksource arch_sys_counter [ 1.386617] VFS: Disk quotas dquot_6.6.0 [ 1.386755] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.386970] FS-Cache: Loaded [ 1.387255] CacheFiles: Loaded [ 1.398490] thermal_sys: Registered thermal governor 'step_wise' [ 1.398881] NET: Registered protocol family 2 [ 1.399903] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear) [ 1.399978] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 1.400120] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 1.400330] TCP: Hash tables configured (established 8192 bind 8192) [ 1.400515] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) [ 1.400589] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) [ 1.400900] NET: Registered protocol family 1 [ 1.401689] RPC: Registered named UNIX socket transport module. [ 1.401721] RPC: Registered udp transport module. [ 1.401748] RPC: Registered tcp transport module. [ 1.401774] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.403438] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available [ 1.406834] Initialise system trusted keyrings [ 1.407137] workingset: timestamp_bits=14 max_order=18 bucket_order=4 [ 1.418754] FS-Cache: Netfs 'nfs' registered for caching [ 1.419674] NFS: Registering the id_resolver key type [ 1.419729] Key type id_resolver registered [ 1.419756] Key type id_legacy registered [ 1.419793] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 1.421100] Key type asymmetric registered [ 1.421130] Asymmetric key parser 'x509' registered [ 1.421210] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.421249] io scheduler mq-deadline registered [ 1.421276] io scheduler kyber registered [ 1.426239] bcm2708_fb soc:fb: FB found 1 display(s) [ 1.437918] Console: switching to colour frame buffer device 82x26 [ 1.445014] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 656x416 [ 1.455005] bcm2835-rng 3f104000.rng: hwrng registered [ 1.458164] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB) [ 1.463942] vc-sm: Videocore shared memory driver [ 1.467033] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000 [ 1.484995] brd: module loaded [ 1.500111] loop: module loaded [ 1.504038] Loading iSCSI transport class v2.0-870. [ 1.507586] libphy: Fixed MDIO Bus: probed [ 1.510257] usbcore: registered new interface driver lan78xx [ 1.512894] usbcore: registered new interface driver smsc95xx [ 1.515433] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 2.246284] Core Release: 2.80a [ 2.248732] Setting default values for core params [ 2.251177] Finished setting default values for core params [ 2.454049] Using Buffer DMA mode [ 2.456534] Periodic Transfer Interrupt Enhancement - disabled [ 2.459050] Multiprocessor Interrupt Enhancement - disabled [ 2.461535] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 2.463950] Dedicated Tx FIFOs mode [ 2.466918] WARN::dwc_otg_hcd_init:1074: FIQ DMA bounce buffers: virt = b7504000 dma = 0xf7504000 len=9024 [ 2.471674] FIQ FSM acceleration enabled for : Non-periodic Split Transactions Periodic Split Transactions High-Speed Isochronous Endpoints Interrupt/Control Split Transaction hack enabled [ 2.482844] dwc_otg: Microframe scheduler enabled [ 2.482907] WARN::hcd_init_fiq:457: FIQ on core 1 [ 2.485165] WARN::hcd_init_fiq:458: FIQ ASM at 8070b948 length 36 [ 2.487431] WARN::hcd_init_fiq:497: MPHI regs_base at bb810000 [ 2.489690] dwc_otg 3f980000.usb: DWC OTG Controller [ 2.492010] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1 [ 2.494390] dwc_otg 3f980000.usb: irq 56, io mem 0x00000000 [ 2.496733] Init: Port Power? op_state=1 [ 2.498990] Init: Power Port (0) [ 2.501533] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04 [ 2.506069] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 2.508526] usb usb1: Product: DWC OTG Controller [ 2.510910] usb usb1: Manufacturer: Linux 5.4.79-v7+ dwc_otg_hcd [ 2.513347] usb usb1: SerialNumber: 3f980000.usb [ 2.516361] hub 1-0:1.0: USB hub found [ 2.518696] hub 1-0:1.0: 1 port detected [ 2.521659] dwc_otg: FIQ enabled [ 2.521668] dwc_otg: NAK holdoff enabled [ 2.521678] dwc_otg: FIQ split-transaction FSM enabled [ 2.521693] Module dwc_common_port init [ 2.522039] usbcore: registered new interface driver usb-storage [ 2.524529] mousedev: PS/2 mouse device common for all mice [ 2.528022] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer [ 2.533086] sdhci: Secure Digital Host Controller Interface driver [ 2.535524] sdhci: Copyright(c) Pierre Ossman [ 2.538519] mmc-bcm2835 3f300000.mmcnr: could not get clk, deferring probe [ 2.541674] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe [ 2.544478] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.548893] ledtrig-cpu: registered to indicate activity on CPUs [ 2.551848] hidraw: raw HID events driver (C) Jiri Kosina [ 2.554653] usbcore: registered new interface driver usbhid [ 2.557290] usbhid: USB HID core driver [ 2.560859] vchiq: vchiq_init_state: slot_zero = (ptrval) [ 2.565189] [vc_sm_connected_init]: start [ 2.573905] [vc_sm_connected_init]: end - returning 0 [ 2.578309] Initializing XFRM netlink socket [ 2.580694] NET: Registered protocol family 17 [ 2.583162] Key type dns_resolver registered [ 2.586094] Registering SWP/SWPB emulation handler [ 2.588788] registered taskstats version 1 [ 2.591163] Loading compiled-in X.509 certificates [ 2.594020] Key type ._fscrypt registered [ 2.596334] Key type .fscrypt registered [ 2.609338] uart-pl011 3f201000.serial: cts_event_workaround enabled [ 2.611766] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2 [ 2.618287] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver [ 2.622208] mmc-bcm2835 3f300000.mmcnr: mmc_debug:0 mmc_debug2:0 [ 2.624609] mmc-bcm2835 3f300000.mmcnr: DMA channel allocated [ 2.653570] sdhost: log_buf @ (ptrval) (f7507000) [ 2.693910] mmc1: queuing unknown CIS tuple 0x80 (2 bytes) [ 2.697874] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 2.701744] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 2.704921] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 2.709705] of_cfs_init [ 2.711979] of_cfs_init: OK [ 2.715198] Waiting for root device PARTUUID=09c55868-02... [ 2.728994] mmc1: queuing unknown CIS tuple 0x80 (7 bytes) [ 2.736640] Indeed it is in host mode hprt0 = 00021501 [ 2.810375] random: fast init done [ 2.857244] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.866630] mmc0: new high speed SDHC card at address aaaa [ 2.870242] mmcblk0: mmc0:aaaa SM32G 29.7 GiB [ 2.875572] mmcblk0: p1 p2 [ 2.907840] mmc1: new high speed SDIO card at address 0001 [ 2.908676] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 2.914622] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 2.925290] devtmpfs: mounted [ 2.934193] Freeing unused kernel memory: 1024K [ 2.936980] Run /sbin/init as init process [ 2.946521] usb 1-1: new high-speed USB device number 2 using dwc_otg [ 2.949265] Indeed it is in host mode hprt0 = 00001101 [ 3.187137] usb 1-1: New USB device found, idVendor=0424, idProduct=9514, bcdDevice= 2.00 [ 3.192533] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.196673] hub 1-1:1.0: USB hub found [ 3.200088] hub 1-1:1.0: 5 ports detected [ 3.516534] usb 1-1.1: new high-speed USB device number 3 using dwc_otg [ 3.578075] systemd[1]: System time before build time, advancing clock. [ 3.656982] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00, bcdDevice= 2.00 [ 3.662569] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.668290] smsc95xx v1.0.6 [ 3.739153] NET: Registered protocol family 10 [ 3.743452] Segment Routing with IPv6 [ 3.761126] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:40:59:ff [ 3.775185] 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) [ 3.785576] systemd[1]: Detected architecture arm. [ 3.853007] systemd[1]: Set hostname to . [ 4.086648] usb 1-1.3: new full-speed USB device number 4 using dwc_otg [ 4.260932] usb 1-1.3: New USB device found, idVendor=045b, idProduct=8111, bcdDevice=10.00 [ 4.266923] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [ 4.270031] usb 1-1.3: Product: DGT e-Board [ 4.273036] usb 1-1.3: Manufacturer: Digtal Game Technology [ 4.275994] usb 1-1.3: SerialNumber: 0 [ 4.722927] random: systemd: uninitialized urandom read (16 bytes read) [ 4.739148] random: systemd: uninitialized urandom read (16 bytes read) [ 4.745587] systemd[1]: Created slice system-getty.slice. [ 4.752352] random: systemd: uninitialized urandom read (16 bytes read) [ 4.763267] systemd[1]: Listening on Journal Socket. [ 4.775259] systemd[1]: Starting Create list of required static device nodes for the current kernel... [ 4.789772] systemd[1]: Starting DGT Pi Hello... [ 4.798265] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ 4.806805] systemd[1]: Created slice User and Session Slice. [ 4.819353] systemd[1]: Mounting Kernel Debug File System... [ 5.552413] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 5.702358] systemd-journald[105]: Received request to flush runtime journal from PID 1 [ 6.276184] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. [ 6.293992] bcm2835_vc_sm_cma_probe: Videocore shared memory driver [ 6.294015] [vc_sm_connected_init]: start [ 6.299197] mc: Linux media interface: v0.10 [ 6.304898] [vc_sm_connected_init]: installed successfully [ 6.343002] videodev: Linux video capture interface: v2.00 [ 6.384881] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 6.384957] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 6.398879] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 6.404913] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. [ 6.414371] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. [ 6.420682] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.425331] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 6.427184] bcm2835_audio bcm2835_audio: card created with 8 channels [ 6.432183] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13 [ 6.432720] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14 [ 6.433150] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15 [ 6.433510] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16 [ 6.433540] bcm2835-isp bcm2835-isp: Register output node 0 with media controller [ 6.433561] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller [ 6.433579] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller [ 6.433596] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller [ 6.433817] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp [ 6.458895] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 [ 6.458950] bcm2835-codec bcm2835-codec: Loaded V4L2 decode [ 6.467698] bcm2835-codec bcm2835-codec: Device registered as /dev/video11 [ 6.467758] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [ 6.494393] bcm2835-codec bcm2835-codec: Device registered as /dev/video12 [ 6.494442] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 6.963864] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 7.001359] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device [ 7.005143] usbcore: registered new interface driver cdc_acm [ 7.005159] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 7.072408] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.180527] brcmfmac: F1 signature read @0x18000000=0x1541a9a6 [ 7.194558] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1 [ 7.194886] usbcore: registered new interface driver brcmfmac [ 7.222620] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt failed with error -2 [ 7.447158] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1 [ 7.447290] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available [ 7.448312] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 22 2019 01:59:28 version 7.45.98.94 (r723000 CY) FWID 01-3b33decd [ 8.716611] Under-voltage detected! (0x00050000) [ 9.687402] uart-pl011 3f201000.serial: no DMA platform data [ 9.865959] random: crng init done [ 9.865998] random: 7 urandom warning(s) missed due to ratelimiting [ 9.940944] 8021q: 802.1Q VLAN Support v1.8 [ 10.246756] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS [ 10.542321] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled [ 11.079678] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup [ 12.336780] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 13.698094] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.wlan0.retrans_time - use net.ipv6.neigh.wlan0.retrans_time_ms instead [ 14.366624] Bluetooth: Core ver 2.22 [ 14.366745] NET: Registered protocol family 31 [ 14.366756] Bluetooth: HCI device and connection manager initialized [ 14.366788] Bluetooth: HCI socket layer initialized [ 14.366807] Bluetooth: L2CAP socket layer initialized [ 14.366841] Bluetooth: SCO socket layer initialized [ 14.379376] Bluetooth: HCI UART driver ver 2.3 [ 14.379397] Bluetooth: HCI UART protocol H4 registered [ 14.379484] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 14.379769] Bluetooth: HCI UART protocol Broadcom registered [ 14.806609] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 14.806625] Bluetooth: BNEP filters: protocol multicast [ 14.806666] Bluetooth: BNEP socket layer initialized [ 31.596621] Voltage normalised (0x00000000) [ 85.675060] Under-voltage detected! (0x00050005) [ 93.994572] Voltage normalised (0x00000000) [ 112.714086] Under-voltage detected! (0x00050005) [ 129.353953] Voltage normalised (0x00000000) [ 174.776914] usb 1-1.3: USB disconnect, device number 4 [ 174.777203] cdc_acm 1-1.3:1.0: failed to set dtr/rts [ 177.123515] usb 1-1.3: new full-speed USB device number 5 using dwc_otg [ 177.279556] usb 1-1.3: New USB device found, idVendor=045b, idProduct=8111, bcdDevice=10.00 [ 177.279575] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [ 177.279589] usb 1-1.3: Product: DGT e-Board [ 177.279602] usb 1-1.3: Manufacturer: Digtal Game Technology [ 177.279615] usb 1-1.3: SerialNumber: 0 [ 177.282674] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device