raspberrypi zero_w 启动信息
pi@raspberrypi:~ $ dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.4.51+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1333 Mon Aug 10 16:38:02 BST 2020
[ 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] Reserved memory: created CMA memory pool at 0x17c00000, size 64 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] On node 0 totalpages: 114688
[ 0.000000] Normal zone: 1008 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 114688 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: 113680
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=1024 bcm2708_fb.fbheight=768 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:01:82:87 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyS0,115200 console=tty1 root=PARTUUID=7b980809-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 376516K/458752K available (7579K kernel code, 702K rwdata, 2404K rodata, 492K init, 800K bss, 16700K reserved, 65536K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 26696 entries in 53 pages
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] random: get_random_bytes called from start_kernel+0x2a8/0x4dc with crng_init=0
[ 0.000025] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[ 0.000076] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[ 0.000188] bcm2835: system timer (irq = 27)
[ 0.000806] Console: colour dummy device 80x30
[ 0.000848] printk: console [tty1] enabled
[ 0.000924] Calibrating delay loop... 697.95 BogoMIPS (lpj=3489792)
[ 0.050358] pid_max: default: 32768 minimum: 301
[ 0.050940] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.050972] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.052957] Disabling memory control group subsystem
[ 0.053180] CPU: Testing write buffer coherency: ok
[ 0.054875] Setting up static identity map for 0x8200 - 0x8238
[ 0.056049] devtmpfs: initialized
[ 0.069342] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[ 0.069803] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.069847] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.078654] pinctrl core: initialized pinctrl subsystem
[ 0.080782] NET: Registered protocol family 16
[ 0.085606] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.093924] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[ 0.093946] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.094132] Serial: AMBA PL011 UART driver
[ 0.097948] bcm2835-mbox 2000b880.mailbox: mailbox enabled
[ 0.120842] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-08-19 17:40, variant start
[ 0.130866] raspberrypi-firmware soc:firmware: Firmware hash is e90cba19a98a0d1f2ef086b9cafcbca00778f094
[ 0.194597] bcm2835-dma 20007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.197840] SCSI subsystem initialized
[ 0.198138] usbcore: registered new interface driver usbfs
[ 0.198257] usbcore: registered new interface driver hub
[ 0.198531] usbcore: registered new device driver usb
[ 0.201625] clocksource: Switched to clocksource timer
[ 1.461284] VFS: Disk quotas dquot_6.6.0
[ 1.461436] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 1.461998] FS-Cache: Loaded
[ 1.462395] CacheFiles: Loaded
[ 1.483014] thermal_sys: Registered thermal governor 'step_wise'
[ 1.483774] NET: Registered protocol family 2
[ 1.485300] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 1.485367] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 1.485460] TCP bind hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 1.485561] TCP: Hash tables configured (established 4096 bind 4096)
[ 1.485749] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 1.485795] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 1.486283] NET: Registered protocol family 1
[ 1.487676] RPC: Registered named UNIX socket transport module.
[ 1.487696] RPC: Registered udp transport module.
[ 1.487708] RPC: Registered tcp transport module.
[ 1.487719] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 1.489417] hw perfevents: no irqs for PMU, sampling events not supported
[ 1.489495] hw perfevents: enabled with armv6_1176 PMU driver, 3 counters available
[ 1.494716] Initialise system trusted keyrings
[ 1.495215] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 1.512794] FS-Cache: Netfs 'nfs' registered for caching
[ 1.514456] NFS: Registering the id_resolver key type
[ 1.514523] Key type id_resolver registered
[ 1.514537] Key type id_legacy registered
[ 1.514592] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 1.517003] Key type asymmetric registered
[ 1.517026] Asymmetric key parser 'x509' registered
[ 1.517125] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 1.517144] io scheduler mq-deadline registered
[ 1.517157] io scheduler kyber registered
[ 1.520753] bcm2708_fb soc:fb: FB found 1 display(s)
[ 1.535727] Console: switching to colour frame buffer device 128x48
[ 1.550890] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 1024x768
[ 1.559475] bcm2835-rng 20104000.rng: hwrng registered
[ 1.560147] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB)
[ 1.561483] vc-sm: Videocore shared memory driver
[ 1.562542] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000
[ 1.586266] brd: module loaded
[ 1.603163] loop: module loaded
[ 1.605418] Loading iSCSI transport class v2.0-870.
[ 1.606644] usbcore: registered new interface driver smsc95xx
[ 1.606687] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 2.335496] Core Release: 2.80a
[ 2.335524] Setting default values for core params
[ 2.335572] Finished setting default values for core params
[ 2.531633] random: fast init done
[ 2.536241] Using Buffer DMA mode
[ 2.536258] Periodic Transfer Interrupt Enhancement - disabled
[ 2.536270] Multiprocessor Interrupt Enhancement - disabled
[ 2.536287] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 2.536424] Dedicated Tx FIFOs mode
[ 2.537501] WARN::dwc_otg_hcd_init:1074: FIQ DMA bounce buffers: virt = d7d14000 dma = 0x57d14000 len=9024
[ 2.537543] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 2.537563] dwc_otg: Microframe scheduler enabled
[ 2.537752] WARN::hcd_init_fiq:457: FIQ on core 0
[ 2.537771] WARN::hcd_init_fiq:458: FIQ ASM at c0569268 length 36
[ 2.537798] WARN::hcd_init_fiq:497: MPHI regs_base at dc810000
[ 2.537836] dwc_otg 20980000.usb: DWC OTG Controller
[ 2.537912] dwc_otg 20980000.usb: new USB bus registered, assigned bus number 1
[ 2.538041] dwc_otg 20980000.usb: irq 56, io mem 0x00000000
[ 2.538105] Init: Port Power? op_state=1
[ 2.538118] Init: Power Port (0)
[ 2.538765] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 2.538793] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.538814] usb usb1: Product: DWC OTG Controller
[ 2.538833] usb usb1: Manufacturer: Linux 5.4.51+ dwc_otg_hcd
[ 2.538852] usb usb1: SerialNumber: 20980000.usb
[ 2.540133] hub 1-0:1.0: USB hub found
[ 2.540272] hub 1-0:1.0: 1 port detected
[ 2.541851] dwc_otg: FIQ enabled
[ 2.541871] dwc_otg: NAK holdoff enabled
[ 2.541885] dwc_otg: FIQ split-transaction FSM enabled
[ 2.541910] Module dwc_common_port init
[ 2.542599] usbcore: registered new interface driver usb-storage
[ 2.543109] mousedev: PS/2 mouse device common for all mice
[ 2.545288] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 2.545826] bcm2835-cpufreq: min=700000 max=1000000
[ 2.547374] sdhci: Secure Digital Host Controller Interface driver
[ 2.547394] sdhci: Copyright(c) Pierre Ossman
[ 2.548261] mmc-bcm2835 20300000.mmcnr: could not get clk, deferring probe
[ 2.549282] sdhost-bcm2835 20202000.mmc: could not get clk, deferring probe
[ 2.549636] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.550544] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.551081] hidraw: raw HID events driver (C) Jiri Kosina
[ 2.551385] usbcore: registered new interface driver usbhid
[ 2.551402] usbhid: USB HID core driver
[ 2.553095] vchiq: vchiq_init_state: slot_zero = (ptrval)
[ 2.555465] [vc_sm_connected_init]: start
[ 2.565526] [vc_sm_connected_init]: end - returning 0
[ 2.568447] Initializing XFRM netlink socket
[ 2.568518] NET: Registered protocol family 17
[ 2.568762] Key type dns_resolver registered
[ 2.570301] registered taskstats version 1
[ 2.570342] Loading compiled-in X.509 certificates
[ 2.587239] uart-pl011 20201000.serial: cts_event_workaround enabled
[ 2.587426] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 2.590551] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 2.593071] mmc-bcm2835 20300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 2.593099] mmc-bcm2835 20300000.mmcnr: DMA channel allocated
[ 2.622118] sdhost: log_buf @ (ptrval) (57d13000)
[ 2.659018] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 2.660859] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 2.662687] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 2.665909] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 2.670955] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 2.674792] of_cfs_init
[ 2.675030] of_cfs_init: OK
[ 2.697558] Waiting for root device PARTUUID=7b980809-02...
[ 2.737465] mmc0: host does not support reading read-only switch, assuming write-enable
[ 2.739392] mmc0: Problem switching card into high-speed mode!
[ 2.740531] mmc0: new SDHC card at address 0001
[ 2.742704] mmcblk0: mmc0:0001 SD 29.1 GiB
[ 2.747416] mmcblk0: p1 p2
[ 2.753071] Indeed it is in host mode hprt0 = 00041901
[ 2.836804] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 2.836942] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 2.839004] devtmpfs: mounted
[ 2.847842] Freeing unused kernel memory: 492K
[ 2.847863] This architecture does not have kernel memory protection.
[ 2.847876] Run /sbin/init as init process
[ 2.874434] mmc1: new high speed SDIO card at address 0001
[ 2.961772] usb 1-1: new low-speed USB device number 2 using dwc_otg
[ 2.963035] Indeed it is in host mode hprt0 = 00041901
[ 3.206657] usb 1-1: New USB device found, idVendor=275d, idProduct=0ba6, bcdDevice= 1.00
[ 3.206691] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 3.206712] usb 1-1: Product: USB OPTICAL MOUSE
[ 3.215475] input: USB OPTICAL MOUSE as /devices/platform/soc/20980000.usb/usb1/1-1/1-1:1.0/0003:275D:0BA6.0001/input/input0
[ 3.216323] hid-generic 0003:275D:0BA6.0001: input,hidraw0: USB HID v1.11 Mouse [USB OPTICAL MOUSE ] on usb-20980000.usb-1/input0
[ 4.149018] systemd[1]: System time before build time, advancing clock.
[ 4.399201] NET: Registered protocol family 10
[ 4.401899] Segment Routing with IPv6
[ 4.473045] 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)
[ 4.474546] systemd[1]: Detected architecture arm.
[ 4.487401] systemd[1]: Set hostname to <raspberrypi>.
[ 7.721579] random: systemd: uninitialized urandom read (16 bytes read)
[ 7.813794] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
[ 7.814083] random: systemd: uninitialized urandom read (16 bytes read)
[ 7.815102] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ 7.815893] random: systemd: uninitialized urandom read (16 bytes read)
[ 7.816116] systemd[1]: Reached target Swap.
[ 7.820739] systemd[1]: Created slice User and Session Slice.
[ 7.822915] systemd[1]: Listening on udev Kernel Socket.
[ 7.825876] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ 7.828048] systemd[1]: Listening on Syslog Socket.
[ 8.261331] i2c /dev entries driver
[ 9.791818] systemd[1]: Started File System Check Daemon to report status.
[ 9.914308] systemd[1]: Started Apply Kernel Variables.
[ 10.721990] systemd[1]: Started File System Check on Root Device.
[ 10.811887] systemd[1]: Starting Remount Root and Kernel File Systems...
[ 10.813117] systemd[1]: Started Journal Service.
[ 11.916796] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 12.603184] systemd-journald[81]: Received request to flush runtime journal from PID 1
[ 15.396975] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.406897] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[ 15.406933] [vc_sm_connected_init]: start
[ 15.446220] [vc_sm_connected_init]: installed successfully
[ 15.448512] mc: Linux media interface: v0.10
[ 15.692579] videodev: Linux video capture interface: v2.00
[ 15.804920] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.824386] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.826225] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.845407] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.846575] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.849264] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.924752] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[ 15.927472] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[ 15.936624] bcm2835_audio bcm2835_audio: card created with 4 channels
[ 15.937206] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[ 15.938905] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[ 15.938967] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[ 15.939007] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[ 15.939038] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[ 15.939068] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[ 15.952358] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 15.957124] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[ 15.982345] bcm2835_audio bcm2835_audio: card created with 4 channels
[ 16.026691] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 16.026813] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 16.072042] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 16.072134] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 16.089013] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 16.089103] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 19.132555] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 19.816037] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 20.629839] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 20.634755] random: crng init done
[ 20.634779] random: 7 urandom warning(s) missed due to ratelimiting
[ 20.653408] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 20.653944] usbcore: registered new interface driver brcmfmac
[ 20.693951] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,model-zero-w.txt failed with error -2
[ 20.998845] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 20.999069] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[ 21.000620] 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
[ 32.109816] 8021q: 802.1Q VLAN Support v1.8
[ 32.905868] uart-pl011 20201000.serial: no DMA platform data
[ 34.801115] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[ 35.079244] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 37.841953] Bluetooth: Core ver 2.22
[ 37.842192] NET: Registered protocol family 31
[ 37.842212] Bluetooth: HCI device and connection manager initialized
[ 37.842255] Bluetooth: HCI socket layer initialized
[ 37.842286] Bluetooth: L2CAP socket layer initialized
[ 37.842361] Bluetooth: SCO socket layer initialized
[ 37.890747] Bluetooth: HCI UART driver ver 2.3
[ 37.890778] Bluetooth: HCI UART protocol H4 registered
[ 37.890946] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 37.891397] Bluetooth: HCI UART protocol Broadcom registered
[ 40.541493] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 40.541519] Bluetooth: BNEP filters: protocol multicast
[ 40.541564] Bluetooth: BNEP socket layer initialized
[ 41.462052] Bluetooth: RFCOMM TTY layer initialized
[ 41.462108] Bluetooth: RFCOMM socket layer initialized
[ 41.462199] Bluetooth: RFCOMM ver 1.11
[ 52.991864] fuse: init (API version 7.31)