/$ dmesg [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 5.10.110-v8 (root@e102a1ef1632) (aarch64-buildroot-linux-gnu-gcc.br_real (Buildroot 2022.08-dirty) 12.1.0, GNU ld (GNU Binutils) 2.38) #2 SMP PREEMPT Sun Sep 11 00:30:45 UTC 2022 [ 0.000000] Machine model: Raspberry Pi Compute Module 3 Plus Rev 1.0 [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created CMA memory pool at 0x000000003a000000, size 64 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x000000003dffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000003dffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000003dffffff] [ 0.000000] On node 0 totalpages: 253952 [ 0.000000] DMA zone: 3968 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 253952 pages, LIFO batch:63 [ 0.000000] percpu: Embedded 29 pages/cpu s87000 r0 d31784 u118784 [ 0.000000] pcpu-alloc: s87000 r0 d31784 u118784 alloc=29*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] CPU features: kernel page table isolation forced ON by KASLR [ 0.000000] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000] CPU features: detected: ARM erratum 843419 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 249984 [ 0.000000] Kernel command line: coherent_pool=1M 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:87:6A:FB vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 894392K/1015808K available (10240K kernel code, 1732K rwdata, 2688K rodata, 19328K init, 1194K bss, 55880K reserved, 65536K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 32074 entries in 126 pages [ 0.000000] ftrace: allocated 126 pages with 6 groups [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] random: get_random_bytes called from start_kernel+0x3b4/0x578 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 [ 0.000008] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns [ 0.000304] Console: colour dummy device 80x25 [ 0.001168] printk: console [tty1] enabled [ 0.001239] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=19200) [ 0.001301] pid_max: default: 32768 minimum: 301 [ 0.001522] LSM: Security Framework initializing [ 0.001798] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.001861] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.003477] cgroup: Disabling memory control group subsystem [ 0.006747] rcu: Hierarchical SRCU implementation. [ 0.007594] EFI services will not be available. [ 0.008376] smp: Bringing up secondary CPUs ... [ 0.009790] Detected VIPT I-cache on CPU1 [ 0.009875] CPU1: Booted secondary processor 0x0000000001 [0x410fd034] [ 0.011487] Detected VIPT I-cache on CPU2 [ 0.011547] CPU2: Booted secondary processor 0x0000000002 [0x410fd034] [ 0.013110] Detected VIPT I-cache on CPU3 [ 0.013164] CPU3: Booted secondary processor 0x0000000003 [0x410fd034] [ 0.013377] smp: Brought up 1 node, 4 CPUs [ 0.013525] SMP: Total of 4 processors activated. [ 0.013561] CPU features: detected: 32-bit EL0 Support [ 0.013597] CPU features: detected: CRC32 instructions [ 0.050304] CPU: All CPU(s) started at EL2 [ 0.050420] alternatives: patching kernel code [ 0.052380] devtmpfs: initialized [ 0.073177] Enabled cp15_barrier support [ 0.073258] Enabled setend support [ 0.073314] KASLR enabled [ 0.073593] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.073658] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.077306] pinctrl core: initialized pinctrl subsystem [ 0.077890] DMI not present or invalid. [ 0.078458] NET: Registered protocol family 16 [ 0.089482] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.090036] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.091757] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.092016] audit: initializing netlink subsys (disabled) [ 0.092500] audit: type=2000 audit(0.091:1): state=initialized audit_enabled=0 res=1 [ 0.093135] thermal_sys: Registered thermal governor 'step_wise' [ 0.093443] cpuidle: using governor menu [ 0.093802] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.094083] ASID allocator initialised with 32768 entries [ 0.094283] Serial: AMBA PL011 UART driver [ 0.119663] bcm2835-mbox 3f00b880.mailbox: mailbox enabled [ 0.122223] raspberrypi-firmware soc:firmware: Attached to firmware from 2022-01-17T19:22:03, variant start [ 0.123227] raspberrypi-firmware soc:firmware: Firmware hash is bd34f55ef7b01b0a367f131060b561a2a58b80bb [ 0.166292] bcm2835-dma 3f007000.dma: DMA legacy API manager, dmachans=0x1 [ 0.169221] SCSI subsystem initialized [ 0.169520] usbcore: registered new interface driver usbfs [ 0.169604] usbcore: registered new interface driver hub [ 0.169714] usbcore: registered new device driver usb [ 0.171609] clocksource: Switched to clocksource arch_sys_counter [ 1.821775] VFS: Disk quotas dquot_6.6.0 [ 1.821936] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.822209] FS-Cache: Loaded [ 1.822645] CacheFiles: Loaded [ 1.837045] NET: Registered protocol family 2 [ 1.837391] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.839165] tcp_listen_portaddr_hash hash table entries: 512 (order: 1, 8192 bytes, linear) [ 1.839247] TCP established hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 1.839540] TCP bind hash table entries: 8192 (order: 5, 131072 bytes, linear) [ 1.839788] TCP: Hash tables configured (established 8192 bind 8192) [ 1.840099] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) [ 1.840183] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) [ 1.840540] NET: Registered protocol family 1 [ 1.841802] RPC: Registered named UNIX socket transport module. [ 1.841842] RPC: Registered udp transport module. [ 1.841874] RPC: Registered tcp transport module. [ 1.841906] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.247241] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 3.249246] Initialise system trusted keyrings [ 3.249726] workingset: timestamp_bits=46 max_order=18 bucket_order=0 [ 3.260017] zbud: loaded [ 3.262406] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 3.262833] FS-Cache: Netfs 'nfs' registered for caching [ 3.263814] NFS: Registering the id_resolver key type [ 3.263886] Key type id_resolver registered [ 3.263919] Key type id_legacy registered [ 3.264111] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 3.264152] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 3.264880] Key type asymmetric registered [ 3.264917] Asymmetric key parser 'x509' registered [ 3.265002] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 3.265045] io scheduler mq-deadline registered [ 3.265079] io scheduler kyber registered [ 3.270907] bcm2708_fb soc:fb: FB found 1 display(s) [ 3.288578] Console: switching to colour frame buffer device 82x26 [ 3.292866] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 656x416 [ 3.305174] bcm2835-rng 3f104000.rng: hwrng registered [ 3.307932] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB) [ 3.313918] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000 [ 3.336392] brd: module loaded [ 3.357335] loop: module loaded [ 3.361776] Loading iSCSI transport class v2.0-870. [ 3.366521] usbcore: registered new interface driver lan78xx [ 3.368827] usbcore: registered new interface driver smsc95xx [ 3.370961] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 4.101615] Core Release: 2.80a [ 4.103728] Setting default values for core params [ 4.105842] Finished setting default values for core params [ 4.308363] Using Buffer DMA mode [ 4.310396] Periodic Transfer Interrupt Enhancement - disabled [ 4.312527] Multiprocessor Interrupt Enhancement - disabled [ 4.314668] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 4.316775] Dedicated Tx FIFOs mode [ 4.319948] [ 4.319973] WARN::dwc_otg_hcd_init:1072: FIQ DMA bounce buffers: virt = ffffffc010461000 dma = 0x00000000fa410000 len=9024 [ 4.325979] FIQ FSM acceleration enabled for : [ 4.325979] Non-periodic Split Transactions [ 4.325979] Periodic Split Transactions [ 4.325979] High-Speed Isochronous Endpoints [ 4.325979] Interrupt/Control Split Transaction hack enabled [ 4.335025] dwc_otg: Microframe scheduler enabled [ 4.335062] [ 4.335080] WARN::hcd_init_fiq:496: MPHI regs_base at ffffffc010075000 [ 4.338801] dwc_otg 3f980000.usb: DWC OTG Controller [ 4.340789] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1 [ 4.342836] dwc_otg 3f980000.usb: irq 74, io mem 0x00000000 [ 4.344826] Init: Port Power? op_state=1 [ 4.346751] Init: Power Port (0) [ 4.349075] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.352920] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.354992] usb usb1: Product: DWC OTG Controller [ 4.357025] usb usb1: Manufacturer: Linux 5.10.110-v8 dwc_otg_hcd [ 4.359101] usb usb1: SerialNumber: 3f980000.usb [ 4.362236] hub 1-0:1.0: USB hub found [ 4.364359] hub 1-0:1.0: 1 port detected [ 4.367893] dwc_otg: FIQ enabled [ 4.367910] dwc_otg: NAK holdoff enabled [ 4.367925] dwc_otg: FIQ split-transaction FSM enabled [ 4.367947] Module dwc_common_port init [ 4.368946] usbcore: registered new interface driver usb-storage [ 4.371243] i2c /dev entries driver [ 4.377348] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer [ 4.383139] sdhci: Secure Digital Host Controller Interface driver [ 4.385267] sdhci: Copyright(c) Pierre Ossman [ 4.388281] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe [ 4.390814] sdhci-pltfm: SDHCI platform and OF driver helper [ 4.393964] ledtrig-cpu: registered to indicate activity on CPUs [ 4.396416] hid: raw HID events driver (C) Jiri Kosina [ 4.398704] usbcore: registered new interface driver usbhid [ 4.400836] usbhid: USB HID core driver [ 4.409564] Initializing XFRM netlink socket [ 4.412695] NET: Registered protocol family 10 [ 4.416510] Segment Routing with IPv6 [ 4.418653] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 4.421540] NET: Registered protocol family 17 [ 4.423693] Key type dns_resolver registered [ 4.426228] registered taskstats version 1 [ 4.428183] Loading compiled-in X.509 certificates [ 4.430843] Key type ._fscrypt registered [ 4.432811] Key type .fscrypt registered [ 4.434715] Key type fscrypt-provisioning registered [ 4.454940] uart-pl011 3f201000.serial: cts_event_workaround enabled [ 4.457032] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 99, base_baud = 0) is a PL011 rev2 [ 5.547972] printk: console [ttyAMA0] enabled [ 5.555001] Indeed it is in host mode hprt0 = 00021501 [ 5.566869] KGDB: Registered I/O driver kgdboc [ 5.632126] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver [ 5.647414] i2c i2c-11: Added multiplexed i2c bus 0 [ 5.654796] i2c i2c-11: Added multiplexed i2c bus 10 [ 5.655045] random: fast init done [ 5.663996] sdhost: log_buf @ (____ptrval____) (c334d000) [ 5.722974] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 5.735634] of_cfs_init [ 5.740444] of_cfs_init: OK [ 5.751066] usb 1-1: new high-speed USB device number 2 using dwc_otg [ 5.760255] Indeed it is in host mode hprt0 = 00001101 [ 5.789232] Freeing unused kernel memory: 19328K [ 5.795994] Run /init as init process [ 5.801538] with arguments: [ 5.801553] /init [ 5.801567] with environment: [ 5.801596] HOME=/ [ 5.801610] TERM=linux [ 5.843399] mmc0: new high speed MMC card at address 0001 [ 5.852444] mmcblk0: mmc0:0001 BJTD4R 29.1 GiB [ 5.859773] mmcblk0boot0: mmc0:0001 BJTD4R partition 1 4.00 MiB [ 5.868510] mmcblk0boot1: mmc0:0001 BJTD4R partition 2 4.00 MiB [ 5.876797] mmcblk0rpmb: mmc0:0001 BJTD4R partition 3 4.00 MiB, chardev (246:0) [ 5.889405] mmcblk0: p1 p2 p3 [ 5.968201] usb 1-1: New USB device found, idVendor=0424, idProduct=9512, bcdDevice= 2.00 [ 5.968255] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.969374] hub 1-1:1.0: USB hub found [ 5.995073] hub 1-1:1.0: 3 ports detected [ 6.285667] usb 1-1.1: new high-speed USB device number 3 using dwc_otg [ 6.383144] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00, bcdDevice= 2.00 [ 6.395367] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.407817] smsc95xx v2.0.0 [ 6.508021] SMSC LAN8700 usb-001:003:01: attached PHY driver [SMSC LAN8700] (mii_bus:phy_addr=usb-001:003:01, irq=POLL) [ 6.524476] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:87:6a:fb [ 6.976751] random: crng init done [ 8.046969] EXT4-fs (mmcblk0p2): recovery complete [ 8.054840] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 8.246919] EXT4-fs (mmcblk0p3): recovery complete [ 8.255138] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null) [ 8.395531] rtc-ds1307 0-0068: registered as rtc0 [ 8.404535] i2c i2c-0: new_device: Instantiated device ds3231 at 0x68 [ 8.423538] rtc-rv8803 0-0032: Unable to read register 0x0e [ 8.431533] rtc-rv8803: probe of 0-0032 failed with error -121 [ 8.439685] i2c i2c-0: new_device: Instantiated device rv8803 at 0x32 [ 8.589826] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup [ 8.710744] smsc95xx 1-1.1:1.0 eth0: Link is Down [ 10.978984] smsc95xx 1-1.1:1.0 eth0: Link is Up - 100Mbps/Full - flow control off [ 10.990995] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready