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)