# output of dmesg # on raspberry pi 2 model B v1.1 [ 0.000000] Booting Linux on physical CPU 0xf00 [ 0.000000] Linux version 4.14.34-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1110 SMP Mon Apr 16 15:18:51 BST 2018 [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d [ 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 2 Model B Rev 1.1 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] cma: Reserved 8 MiB at 0x3ac00000 [ 0.000000] On node 0 totalpages: 242688 [ 0.000000] free_area_init_node: node 0, pgdat 80c84e40, node_mem_map ba3a1000 [ 0.000000] Normal zone: 2133 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 242688 pages, LIFO batch:31 [ 0.000000] random: fast init done [ 0.000000] percpu: Embedded 17 pages/cpu @ba34b000 s38720 r8192 d22720 u69632 [ 0.000000] pcpu-alloc: s38720 r8192 d22720 u69632 alloc=17*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: bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=PARTUUID=f9373a86-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 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: 940244K/970752K available (7168K kernel code, 575K rwdata, 2072K rodata, 1024K init, 706K bss, 22316K reserved, 8192K cma-reserved) [ 0.000000] Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xbb800000 - 0xff800000 (1088 MB) lowmem : 0x80000000 - 0xbb400000 ( 948 MB) modules : 0x7f000000 - 0x80000000 ( 16 MB) .text : 0x80008000 - 0x80800000 (8160 kB) .init : 0x80b00000 - 0x80c00000 (1024 kB) .data : 0x80c00000 - 0x80c8fd4c ( 576 kB) .bss : 0x80c96f4c - 0x80d478b4 ( 707 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 25231 entries in 74 pages [ 0.000000] 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 [ 0.000010] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns [ 0.000030] Switching to timer-based delay loop, resolution 52ns [ 0.000346] Console: colour dummy device 80x30 [ 0.000974] console [tty1] enabled [ 0.001018] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000) [ 0.001066] pid_max: default: 32768 minimum: 301 [ 0.001482] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.001526] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.002744] Disabling memory control group subsystem [ 0.002902] CPU: Testing write buffer coherency: ok [ 0.003511] CPU0: update cpu_capacity 1024 [ 0.003549] CPU0: thread -1, cpu 0, socket 15, mpidr 80000f00 [ 0.004153] Setting up static identity map for 0x100000 - 0x10003c [ 0.004359] Hierarchical SRCU implementation. [ 0.005349] smp: Bringing up secondary CPUs ... [ 0.006449] CPU1: update cpu_capacity 1024 [ 0.006460] CPU1: thread -1, cpu 1, socket 15, mpidr 80000f01 [ 0.007633] CPU2: update cpu_capacity 1024 [ 0.007645] CPU2: thread -1, cpu 2, socket 15, mpidr 80000f02 [ 0.008775] CPU3: update cpu_capacity 1024 [ 0.008787] CPU3: thread -1, cpu 3, socket 15, mpidr 80000f03 [ 0.008929] smp: Brought up 1 node, 4 CPUs [ 0.009064] SMP: Total of 4 processors activated (153.60 BogoMIPS). [ 0.009089] CPU: All CPU(s) started in HYP mode. [ 0.009110] CPU: Virtualization extensions available. [ 0.010385] devtmpfs: initialized [ 0.023189] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5 [ 0.023590] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.023650] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.024488] pinctrl core: initialized pinctrl subsystem [ 0.025606] NET: Registered protocol family 16 [ 0.028757] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.034842] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.034893] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.035170] Serial: AMBA PL011 UART driver [ 0.037393] bcm2835-mbox 3f00b880.mailbox: mailbox enabled [ 0.078066] bcm2835-dma 3f007000.dma: DMA legacy API manager at bb813000, dmachans=0x1 [ 0.080006] SCSI subsystem initialized [ 0.080414] usbcore: registered new interface driver usbfs [ 0.080510] usbcore: registered new interface driver hub [ 0.080673] usbcore: registered new device driver usb [ 0.090395] raspberrypi-firmware soc:firmware: Attached to firmware from 2018-04-16 18:16 [ 0.092120] clocksource: Switched to clocksource arch_sys_counter [ 0.179201] VFS: Disk quotas dquot_6.6.0 [ 0.179363] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.179641] FS-Cache: Loaded [ 0.179961] CacheFiles: Loaded [ 0.192824] NET: Registered protocol family 2 [ 0.193858] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.194018] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.194228] TCP: Hash tables configured (established 8192 bind 8192) [ 0.194436] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.194521] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.194877] NET: Registered protocol family 1 [ 0.195587] RPC: Registered named UNIX socket transport module. [ 0.195624] RPC: Registered udp transport module. [ 0.195647] RPC: Registered tcp transport module. [ 0.195669] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.197471] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available [ 0.201359] workingset: timestamp_bits=14 max_order=18 bucket_order=4 [ 0.211872] FS-Cache: Netfs 'nfs' registered for caching [ 0.212848] NFS: Registering the id_resolver key type [ 0.212942] Key type id_resolver registered [ 0.212968] Key type id_legacy registered [ 0.213005] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.215779] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.216013] io scheduler noop registered [ 0.216044] io scheduler deadline registered (default) [ 0.216442] io scheduler cfq registered [ 0.216473] io scheduler mq-deadline registered [ 0.216497] io scheduler kyber registered [ 0.218740] BCM2708FB: allocated DMA memory fad00000 [ 0.218813] BCM2708FB: allocated DMA channel 0 @ bb813000 [ 0.272432] Console: switching to colour frame buffer device 228x61 [ 0.306277] bcm2835-rng 3f104000.rng: hwrng registered [ 0.306623] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB) [ 0.307575] vc-sm: Videocore shared memory driver [ 0.308185] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000 [ 0.323202] brd: module loaded [ 0.335904] loop: module loaded [ 0.336071] Loading iSCSI transport class v2.0-870. [ 0.337182] libphy: Fixed MDIO Bus: probed [ 0.337458] usbcore: registered new interface driver lan78xx [ 0.337717] usbcore: registered new interface driver smsc95xx [ 0.337920] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 0.566422] Core Release: 2.80a [ 0.566559] Setting default values for core params [ 0.566756] Finished setting default values for core params [ 0.767272] Using Buffer DMA mode [ 0.767402] Periodic Transfer Interrupt Enhancement - disabled [ 0.767591] Multiprocessor Interrupt Enhancement - disabled [ 0.767773] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 0.767930] Dedicated Tx FIFOs mode [ 0.768710] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xbad14000 dma = 0xfad14000 len=9024 [ 0.769066] FIQ FSM acceleration enabled for : Non-periodic Split Transactions Periodic Split Transactions High-Speed Isochronous Endpoints Interrupt/Control Split Transaction hack enabled [ 0.769730] dwc_otg: Microframe scheduler enabled [ 0.769806] WARN::hcd_init_fiq:459: FIQ on core 1 at 0x805e6a40 [ 0.777505] WARN::hcd_init_fiq:460: FIQ ASM at 0x805e6da8 length 36 [ 0.785147] WARN::hcd_init_fiq:486: MPHI regs_base at 0xbb87e000 [ 0.792838] dwc_otg 3f980000.usb: DWC OTG Controller [ 0.800408] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1 [ 0.808061] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000 [ 0.815638] Init: Port Power? op_state=1 [ 0.823093] Init: Power Port (0) [ 0.830752] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.838281] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.845842] usb usb1: Product: DWC OTG Controller [ 0.853461] usb usb1: Manufacturer: Linux 4.14.34-v7+ dwc_otg_hcd [ 0.861117] usb usb1: SerialNumber: 3f980000.usb [ 0.869579] hub 1-0:1.0: USB hub found [ 0.877176] hub 1-0:1.0: 1 port detected [ 0.885300] dwc_otg: FIQ enabled [ 0.885309] dwc_otg: NAK holdoff enabled [ 0.885315] dwc_otg: FIQ split-transaction FSM enabled [ 0.885328] Module dwc_common_port init [ 0.885684] usbcore: registered new interface driver usb-storage [ 0.893452] mousedev: PS/2 mouse device common for all mice [ 0.900946] IR NEC protocol handler initialized [ 0.908385] IR RC5(x/sz) protocol handler initialized [ 0.915875] IR RC6 protocol handler initialized [ 0.923268] IR JVC protocol handler initialized [ 0.930515] IR Sony protocol handler initialized [ 0.937704] IR SANYO protocol handler initialized [ 0.944883] IR Sharp protocol handler initialized [ 0.951994] IR MCE Keyboard/mouse protocol handler initialized [ 0.959189] IR XMP protocol handler initialized [ 0.967412] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer [ 0.975200] bcm2835-cpufreq: min=600000 max=900000 [ 0.983075] sdhci: Secure Digital Host Controller Interface driver [ 0.990552] sdhci: Copyright(c) Pierre Ossman [ 0.998657] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe [ 1.006318] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.014529] ledtrig-cpu: registered to indicate activity on CPUs [ 1.022036] hidraw: raw HID events driver (C) Jiri Kosina [ 1.029613] usbcore: registered new interface driver usbhid [ 1.036921] usbhid: USB HID core driver [ 1.045033] vchiq: vchiq_init_state: slot_zero = bad80000, is_master = 0 [ 1.054374] [vc_sm_connected_init]: start [ 1.064590] [vc_sm_connected_init]: end - returning 0 [ 1.072758] Initializing XFRM netlink socket [ 1.080222] NET: Registered protocol family 17 [ 1.087784] Key type dns_resolver registered [ 1.095555] Registering SWP/SWPB emulation handler [ 1.103154] Indeed it is in host mode hprt0 = 00021501 [ 1.171344] registered taskstats version 1 [ 1.186344] uart-pl011 3f201000.serial: cts_event_workaround enabled [ 1.194098] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2 [ 1.312161] usb 1-1: new high-speed USB device number 2 using dwc_otg [ 1.312384] Indeed it is in host mode hprt0 = 00001101 [ 1.512510] usb 1-1: New USB device found, idVendor=0424, idProduct=9514 [ 1.512523] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.513447] hub 1-1:1.0: USB hub found [ 1.513586] hub 1-1:1.0: 5 ports detected [ 1.832156] usb 1-1.1: new high-speed USB device number 3 using dwc_otg [ 1.962489] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00 [ 1.962501] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.965315] smsc95xx v1.0.6 [ 2.056583] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:11:d0:1c [ 2.152164] usb 1-1.3: new high-speed USB device number 4 using dwc_otg [ 2.152256] Under-voltage detected! (0x00050005) [ 2.283647] usb 1-1.3: New USB device found, idVendor=7392, idProduct=7811 [ 2.283661] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2.283670] usb 1-1.3: Product: 802.11n WLAN Adapter [ 2.283679] usb 1-1.3: Manufacturer: Realtek [ 2.283688] usb 1-1.3: SerialNumber: 00e04c000001 [ 2.319449] console [ttyAMA0] enabled [ 2.333590] sdhost: log_buf @ bad13000 (fad13000) [ 2.422156] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 2.436524] of_cfs_init [ 2.466677] of_cfs_init: OK [ 2.477509] Waiting for root device PARTUUID=f9373a86-02... [ 2.539405] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.557331] mmc0: new high speed SDHC card at address 0007 [ 2.571163] mmcblk0: mmc0:0007 SL16G 14.5 GiB [ 2.582196] usb 1-1.4: new low-speed USB device number 5 using dwc_otg [ 2.599172] mmcblk0: p1 p2 [ 2.627636] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 2.643813] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 2.668869] devtmpfs: mounted [ 2.683475] Freeing unused kernel memory: 1024K [ 2.759760] usb 1-1.4: New USB device found, idVendor=045e, idProduct=0780 [ 2.774812] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2.790095] usb 1-1.4: Product: Comfort Curve Keyboard 3000 [ 2.803632] usb 1-1.4: Manufacturer: Microsoft [ 2.835461] input: Microsoft Comfort Curve Keyboard 3000 as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4:1.0/0003:045E:0780.0001/input/input0 [ 2.923131] hid-generic 0003:045E:0780.0001: input,hidraw0: USB HID v1.11 Keyboard [Microsoft Comfort Curve Keyboard 3000] on usb-3f980000.usb-1.4/input0 [ 2.968780] input: Microsoft Comfort Curve Keyboard 3000 as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4:1.1/0003:045E:0780.0002/input/input1 [ 3.052556] hid-generic 0003:045E:0780.0002: input,hidraw1: USB HID v1.11 Device [Microsoft Comfort Curve Keyboard 3000] on usb-3f980000.usb-1.4/input1 [ 3.268726] systemd[1]: System time before build time, advancing clock. [ 3.422451] NET: Registered protocol family 10 [ 3.438018] Segment Routing with IPv6 [ 3.463616] ip_tables: (C) 2000-2006 Netfilter Core Team [ 3.508223] 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) [ 3.537070] systemd[1]: Detected architecture arm. [ 3.586056] systemd[1]: Set hostname to . [ 3.715857] uart-pl011 3f201000.serial: no DMA platform data [ 4.197517] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ 4.227757] systemd[1]: Listening on udev Control Socket. [ 4.255073] systemd[1]: Listening on fsck to fsckd communication Socket. [ 4.284659] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ 4.316618] systemd[1]: Listening on Journal Socket (/dev/log). [ 4.344930] systemd[1]: Listening on Syslog Socket. [ 4.392585] systemd[1]: Listening on udev Kernel Socket. [ 5.148222] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 5.333838] systemd-journald[104]: Received request to flush runtime journal from PID 1 [ 6.003938] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.011876] bcm2835_alsa bcm2835_alsa: card created with 8 channels [ 6.724369] usbcore: registered new interface driver rtl8192cu [ 8.249987] random: crng init done [ 8.392257] Voltage normalised (0x00000000) [ 8.398840] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS [ 8.775951] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 9.086066] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup [ 9.086631] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 89.512228] Under-voltage detected! (0x00050005) [ 95.752220] Voltage normalised (0x00000000) [ 1056.289480] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1 [ 1056.292255] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready