I tried that but I still canāt see anything.
pi@raspberrypi:~ $ dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.10.17+ (dom@buildbot) (arm-linux-gnueabihf-gcc-8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1414 Fri Apr 30 13:16:27 BST 2021
[ 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] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x000000001bffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000001bffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000001bffffff]
[ 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 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:BB:6B:93 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyS0,115200 console=tty1 root=PARTUUID=716408ef-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[ 0.000000] Kernel parameter elevator= does not have any effect anymore.
Please use sysfs to set IO scheduler for individual devices.
[ 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: 374456K/458752K available (8638K kernel code, 1324K rwdata, 2816K rodata, 420K init, 837K bss, 18760K reserved, 65536K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 30576 entries in 60 pages
[ 0.000000] ftrace: allocated 60 pages with 4 groups
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] random: get_random_bytes called from start_kernel+0x324/0x564 with crng_init=0
[ 0.000030] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[ 0.000092] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[ 0.000184] bcm2835: system timer (irq = 27)
[ 0.000877] Console: colour dummy device 80x30
[ 0.000972] printk: console [tty1] enabled
[ 0.001053] Calibrating delay loop... 697.95 BogoMIPS (lpj=3489792)
[ 0.060337] pid_max: default: 32768 minimum: 301
[ 0.060646] LSM: Security Framework initializing
[ 0.060965] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.061002] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.063418] Disabling memory control group subsystem
[ 0.063703] CPU: Testing write buffer coherency: ok
[ 0.065752] Setting up static identity map for 0x8200 - 0x8238
[ 0.067126] devtmpfs: initialized
[ 0.080791] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[ 0.081200] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.081248] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.090132] pinctrl core: initialized pinctrl subsystem
[ 0.092364] NET: Registered protocol family 16
[ 0.097220] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.104174] audit: initializing netlink subsys (disabled)
[ 0.105824] thermal_sys: Registered thermal governor 'step_wise'
[ 0.107026] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[ 0.107052] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.107320] Serial: AMBA PL011 UART driver
[ 0.110711] audit: type=2000 audit(0.100:1): state=initialized audit_enabled=0 res=1
[ 0.131058] bcm2835-mbox 2000b880.mailbox: mailbox enabled
[ 0.150925] raspberrypi-firmware soc:firmware: Attached to firmware from 2021-04-30T13:47:07, variant start
[ 0.160938] raspberrypi-firmware soc:firmware: Firmware hash is d7f29d96450abfc77cd6cf011af1faf1e03e5e56
[ 0.224196] bcm2835-dma 20007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.227496] SCSI subsystem initialized
[ 0.228008] usbcore: registered new interface driver usbfs
[ 0.228135] usbcore: registered new interface driver hub
[ 0.228258] usbcore: registered new device driver usb
[ 0.231447] clocksource: Switched to clocksource timer
[ 2.242398] VFS: Disk quotas dquot_6.6.0
[ 2.242549] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 2.242833] FS-Cache: Loaded
[ 2.243272] CacheFiles: Loaded
[ 2.264654] NET: Registered protocol family 2
[ 2.266088] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 2.266206] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 2.266291] TCP bind hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 2.266370] TCP: Hash tables configured (established 4096 bind 4096)
[ 2.266580] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 2.266632] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 2.267129] NET: Registered protocol family 1
[ 2.268531] RPC: Registered named UNIX socket transport module.
[ 2.268560] RPC: Registered udp transport module.
[ 2.268574] RPC: Registered tcp transport module.
[ 2.268587] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 2.270321] hw perfevents: no irqs for PMU, sampling events not supported
[ 2.270413] hw perfevents: enabled with armv6_1176 PMU driver, 3 counters available
[ 2.275822] Initialise system trusted keyrings
[ 2.276390] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 2.289313] zbud: loaded
[ 2.292824] FS-Cache: Netfs 'nfs' registered for caching
[ 2.294392] NFS: Registering the id_resolver key type
[ 2.294470] Key type id_resolver registered
[ 2.294489] Key type id_legacy registered
[ 2.294734] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 2.296827] Key type asymmetric registered
[ 2.296861] Asymmetric key parser 'x509' registered
[ 2.296969] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 2.296992] io scheduler mq-deadline registered
[ 2.297009] io scheduler kyber registered
[ 2.300517] bcm2708_fb soc:fb: FB found 1 display(s)
[ 2.307831] Console: switching to colour frame buffer device 82x26
[ 2.313476] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 656x416
[ 2.315416] random: fast init done
[ 2.322147] bcm2835-rng 20104000.rng: hwrng registered
[ 2.322761] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB)
[ 2.324502] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000
[ 2.348694] brd: module loaded
[ 2.365703] loop: module loaded
[ 2.368234] Loading iSCSI transport class v2.0-870.
[ 2.370930] libphy: Fixed MDIO Bus: probed
[ 2.371425] usbcore: registered new interface driver smsc95xx
[ 2.371569] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 3.100099] Core Release: 2.80a
[ 3.100133] Setting default values for core params
[ 3.100177] Finished setting default values for core params
[ 3.300635] Using Buffer DMA mode
[ 3.300666] Periodic Transfer Interrupt Enhancement - disabled
[ 3.300680] Multiprocessor Interrupt Enhancement - disabled
[ 3.300698] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 3.300882] Dedicated Tx FIFOs mode
[ 3.301978] WARN::dwc_otg_hcd_init:1074: FIQ DMA bounce buffers: virt = d7d14000 dma = 0x97d14000 len=9024
[ 3.302021] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 3.302044] dwc_otg: Microframe scheduler enabled
[ 3.302240] WARN::hcd_init_fiq:457: FIQ on core 0
[ 3.302264] WARN::hcd_init_fiq:458: FIQ ASM at c0652330 length 36
[ 3.302301] WARN::hcd_init_fiq:497: MPHI regs_base at dc810000
[ 3.302342] dwc_otg 20980000.usb: DWC OTG Controller
[ 3.302417] dwc_otg 20980000.usb: new USB bus registered, assigned bus number 1
[ 3.302516] dwc_otg 20980000.usb: irq 56, io mem 0x00000000
[ 3.302582] Init: Port Power? op_state=1
[ 3.302597] Init: Power Port (0)
[ 3.303223] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10
[ 3.303257] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.303281] usb usb1: Product: DWC OTG Controller
[ 3.303301] usb usb1: Manufacturer: Linux 5.10.17+ dwc_otg_hcd
[ 3.303319] usb usb1: SerialNumber: 20980000.usb
[ 3.304719] hub 1-0:1.0: USB hub found
[ 3.304865] hub 1-0:1.0: 1 port detected
[ 3.306689] dwc_otg: FIQ enabled
[ 3.306717] dwc_otg: NAK holdoff enabled
[ 3.306731] dwc_otg: FIQ split-transaction FSM enabled
[ 3.306759] Module dwc_common_port init
[ 3.307375] usbcore: registered new interface driver usb-storage
[ 3.307888] mousedev: PS/2 mouse device common for all mice
[ 3.309725] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 3.313490] sdhci: Secure Digital Host Controller Interface driver
[ 3.313520] sdhci: Copyright(c) Pierre Ossman
[ 3.314425] mmc-bcm2835 20300000.mmcnr: could not get clk, deferring probe
[ 3.315485] sdhost-bcm2835 20202000.mmc: could not get clk, deferring probe
[ 3.315854] sdhci-pltfm: SDHCI platform and OF driver helper
[ 3.316732] ledtrig-cpu: registered to indicate activity on CPUs
[ 3.317300] hid: raw HID events driver (C) Jiri Kosina
[ 3.317638] usbcore: registered new interface driver usbhid
[ 3.317659] usbhid: USB HID core driver
[ 3.325384] Initializing XFRM netlink socket
[ 3.325474] NET: Registered protocol family 17
[ 3.325734] Key type dns_resolver registered
[ 3.326866] registered taskstats version 1
[ 3.326929] Loading compiled-in X.509 certificates
[ 3.345552] uart-pl011 20201000.serial: cts_event_workaround enabled
[ 3.345732] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 3.349542] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 3.352320] mmc-bcm2835 20300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 3.352358] mmc-bcm2835 20300000.mmcnr: DMA channel allocated
[ 3.382994] sdhost: log_buf @ (ptrval) (97d13000)
[ 3.420032] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 3.421908] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 3.423753] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 3.427016] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 3.431934] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 3.436195] of_cfs_init
[ 3.436494] of_cfs_init: OK
[ 3.459045] Waiting for root device PARTUUID=716408ef-02...
[ 3.499460] mmc0: host does not support reading read-only switch, assuming write-enable
[ 3.501611] mmc0: Problem switching card into high-speed mode!
[ 3.502817] mmc0: new SDHC card at address 0001
[ 3.504784] mmcblk0: mmc0:0001 ASTC 14.6 GiB
[ 3.509540] mmcblk0: p1 p2
[ 3.560319] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[ 3.560353] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[ 3.570934] mmc1: new high speed SDIO card at address 0001
[ 4.994768] EXT4-fs (mmcblk0p2): recovery complete
[ 5.004819] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 5.004979] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 5.007660] devtmpfs: mounted
[ 5.014564] Freeing unused kernel memory: 420K
[ 5.014592] Kernel memory protection not selected by kernel config.
[ 5.014658] Run /sbin/init as init process
[ 5.014673] with arguments:
[ 5.014686] /sbin/init
[ 5.014700] splash
[ 5.014711] with environment:
[ 5.014722] HOME=/
[ 5.014734] TERM=linux
[ 6.268519] systemd[1]: System time before build time, advancing clock.
[ 6.548501] NET: Registered protocol family 10
[ 6.550819] Segment Routing with IPv6
[ 6.684846] 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)
[ 6.686807] systemd[1]: Detected architecture arm.
[ 6.700430] systemd[1]: Set hostname to <raspberrypi>.
[ 9.715792] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.747514] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.753417] systemd[1]: Created slice User and Session Slice.
[ 9.754360] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.756049] systemd[1]: Listening on Syslog Socket.
[ 9.762887] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[ 9.763394] systemd[1]: Reached target Slices.
[ 9.766065] systemd[1]: Listening on Journal Audit Socket.
[ 9.767336] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ 9.769476] systemd[1]: Listening on udev Control Socket.
[ 10.197211] i2c /dev entries driver
[ 12.271792] systemd[1]: Started File System Check on Root Device.
[ 12.333956] systemd[1]: Starting Remount Root and Kernel File Systems...
[ 12.562946] systemd[1]: Started Journal Service.
[ 13.491665] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 14.363857] systemd-journald[83]: Received request to flush runtime journal from PID 1
[ 17.114644] mc: Linux media interface: v0.10
[ 17.345718] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.348556] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[ 17.348596] [vc_sm_connected_init]: start
[ 17.355439] videodev: Linux video capture interface: v2.00
[ 17.399248] [vc_sm_connected_init]: installed successfully
[ 17.463615] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.466385] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.468176] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.495254] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.506324] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.573109] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[ 17.580268] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[ 17.581238] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[ 17.585358] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.591955] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 17.594592] bcm2835_audio bcm2835_audio: there is not valid maps for state default
[ 17.595512] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[ 17.595577] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[ 17.595619] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[ 17.595652] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[ 17.595683] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[ 17.611941] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[ 17.648221] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 17.648317] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 17.730995] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 17.731113] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 17.746313] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 17.746405] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 20.529272] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 21.109811] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 21.692149] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 21.712517] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 21.713061] usbcore: registered new interface driver brcmfmac
[ 21.769077] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,model-zero-w.txt failed with error -2
[ 22.048059] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 22.048309] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[ 22.049669] 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
[ 30.734179] uart-pl011 20201000.serial: no DMA platform data
[ 32.475382] 8021q: 802.1Q VLAN Support v1.8
[ 33.031816] random: crng init done
[ 33.031859] random: 7 urandom warning(s) missed due to ratelimiting
[ 33.684792] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 34.858450] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[ 36.475830] Bluetooth: Core ver 2.22
[ 36.476080] NET: Registered protocol family 31
[ 36.476104] Bluetooth: HCI device and connection manager initialized
[ 36.511626] Bluetooth: HCI socket layer initialized
[ 36.511679] Bluetooth: L2CAP socket layer initialized
[ 36.511773] Bluetooth: SCO socket layer initialized
[ 36.632012] Bluetooth: HCI UART driver ver 2.3
[ 36.632055] Bluetooth: HCI UART protocol H4 registered
[ 36.632285] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 36.632693] Bluetooth: HCI UART protocol Broadcom registered
[ 39.117802] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 39.492979] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 39.493004] Bluetooth: BNEP filters: protocol multicast
[ 39.493039] Bluetooth: BNEP socket layer initialized
[ 41.163234] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.wlan0.retrans_time - use net.ipv6.neigh.wlan0.retrans_time_ms instead
[ 53.179228] fuse: init (API version 7.32)
[ 58.801650] Bluetooth: RFCOMM TTY layer initialized
[ 58.801698] Bluetooth: RFCOMM socket layer initialized
[ 58.801758] Bluetooth: RFCOMM ver 1.11