求助 教程文件系统buildroot启动失败

weieii

尝试在开发板上烧写文档中的教程系统镜像，但一直在根文件系统启动时报错，指示init 失败。 烧写的所有组件都是文档自带的，这个错误尝试谷歌过但没查出什么解决方案来

U-Boot 2020.01-stm32mp-r1 (Dec 10 2020 - 16:11:37 +0800)
CPU: STM32MP157DAA Rev.Z
Model: STMicroelectronics STM32MP157D eval daughter
Board: stm32mp1 in trusted mode (st,stm32mp157d-ed1)
DRAM:  1 GiB
Clocks:
- MPU : 800 MHz
- MCU : 208.878 MHz
- AXI : 266.500 MHz
- PER : 24 MHz
- DDR : 533 MHz
WDT:   Started with servicing (32s timeout)
NAND:  0 MiB
MMC:   STM32 SD/MMC: 0, STM32 SD/MMC: 1
Loading Environment from MMC... *** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
invalid MAC address in OTP 00:00:00:00:00:00
Net:
Error: ethernet@5800a000 address not set.
No ethernet found.

Hit any key to stop autoboot:  0
STM32MP> setenv bootcmd 'ext4load mmc 1:2 c2000000 uImage;ext4load mmc 1:2 c4000000 stm32mp157d-atk.dtb;bootm c2000000 - c4000000'
STM32MP> setenv bootargs 'console=ttySTM0,115200 root=/dev/mmcblk1p3 rootwait rw'
STM32MP> saveenv
Saving Environment to MMC... Writing to redundant MMC(1)... OK
STM32MP> boot
7311904 bytes read in 200 ms (34.9 MiB/s)
63833 bytes read in 28 ms (2.2 MiB/s)
## Booting kernel from Legacy Image at c2000000 ...
   Image Name:   Linux-5.4.31
   Created:      2020-12-17   9:34:18 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    7311840 Bytes = 7 MiB
   Load Address: c2000040
   Entry Point:  c2000040
   Verifying Checksum ... OK
## Flattened Device Tree blob at c4000000
   Booting using the fdt blob at 0xc4000000
   XIP Kernel Image
   Loading Device Tree to cffed000, end cffff958 ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.31 (zuozhongkai@ubuntu) (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #3 SMP PREEMPT Thu Dec 17 17:33:40 CST 2020
[    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: STMicroelectronics STM32MP157D eval daughter
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] Reserved memory: created DMA memory pool at 0x10000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node mcuram2@10000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10040000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0vring0@10040000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10041000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0vring1@10041000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10042000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0buffer@10042000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x30000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node mcuram@30000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x38000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node retram@38000000, compatible id shared-dma-pool
[    0.000000] cma: Reserved 128 MiB at 0xe8000000
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv1.1 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: MIGRATE_INFO_TYPE not supported.
[    0.000000] psci: SMC Calling Convention v1.0
[    0.000000] percpu: Embedded 20 pages/cpu s50124 r8192 d23604 u81920
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 227647
[    0.000000] Kernel command line: console=ttySTM0,115200 root=/dev/mmcblk1p3 rootwait rw
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.000000] mem auto-init: stackff, heap allocff, heap freeff
[    0.000000] Memory: 759396K/917500K available (11264K kernel code, 868K rwdata, 3408K rodata, 1024K init, 213K bss, 27032K reserved, 131072K cma-reserved, 131068K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU event tracing is enabled.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] random: get_random_bytes called from start_kernel+0x31c/0x4f4 with crng_init=0
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (virt).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000008] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000024] Switching to timer-based delay loop, resolution 41ns
[    0.001421] Console: colour dummy device 80x30
[    0.001473] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[    0.001493] pid_max: default: 32768 minimum: 301
[    0.001731] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.001752] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.002941] CPU: Testing write buffer coherency: ok
[    0.003432] /cpus/cpu@0 missing clock-frequency property
[    0.003463] /cpus/cpu@1 missing clock-frequency property
[    0.003479] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.059902] Setting up static identity map for 0xc0100000 - 0xc0100060
[    0.079870] rcu: Hierarchical SRCU implementation.
[    0.103836] smp: Bringing up secondary CPUs ...
[    0.180466] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.180655] smp: Brought up 1 node, 2 CPUs
[    0.180675] SMP: Total of 2 processors activated (96.00 BogoMIPS).
[    0.180684] CPU: All CPU(s) started in SVC mode.
[    0.181511] devtmpfs: initialized
[    0.202300] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.202883] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.202914] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[    0.208935] pinctrl core: initialized pinctrl subsystem
[    0.211123] NET: Registered protocol family 16
[    0.222840] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.225013] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.225033] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.225416] Serial: AMBA PL011 UART driver
[    0.228129] stm32-pm-domain pm_domain: domain core-ret-power-domain registered
[    0.228162] stm32-pm-domain pm_domain: subdomain core-power-domain registered
[    0.228177] stm32-pm-domain pm_domain: domains probed
[    0.260429] reg-fixed-voltage buck1: Fixed regulator specified with variable voltages
[    0.260464] reg-fixed-voltage: probe of buck1 failed with error -22
[    0.263710] SCSI subsystem initialized
[    0.264489] usbcore: registered new interface driver usbfs
[    0.264562] usbcore: registered new interface driver hub
[    0.264708] usbcore: registered new device driver usb
[    0.265052] pps_core: LinuxPPS API ver. 1 registered
[    0.265065] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.265103] PTP clock support registered
[    0.265330] EDAC MC: Ver: 3.0.0
[    0.266508] Advanced Linux Sound Architecture Driver Initialized.
[    0.268116] clocksource: Switched to clocksource arch_sys_counter
[    0.890960] thermal_sys: Registered thermal governor 'step_wise'
[    0.891592] NET: Registered protocol family 2
[    0.892638] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.892686] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.892781] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.892941] TCP: Hash tables configured (established 8192 bind 8192)
[    0.893100] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.893166] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[    0.893451] NET: Registered protocol family 1
[    0.894409] RPC: Registered named UNIX socket transport module.
[    0.894427] RPC: Registered udp transport module.
[    0.894437] RPC: Registered tcp transport module.
[    0.894446] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.895455] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
[    0.897174] Initialise system trusted keyrings
[    0.897514] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[    0.908490] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.909729] NFS: Registering the id_resolver key type
[    0.909779] Key type id_resolver registered
[    0.909792] Key type id_legacy registered
[    0.909989] ntfs: driver 2.1.32 [Flags: R/O].
[    0.910421] jffs2: version 2.2. (NAND) &#169; 2001-2006 Red Hat, Inc.
[    0.911138] fuse: init (API version 7.31)
[    0.912126] NET: Registered protocol family 38
[    0.912144] Key type asymmetric registered
[    0.912154] Asymmetric key parser 'x509' registered
[    0.912229] bounce: pool size: 64 pages
[    0.912289] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[    0.912303] io scheduler mq-deadline registered
[    0.912314] io scheduler kyber registered
[    0.920449] STM32 USART driver initialized
[    0.938307] brd: module loaded
[    0.951443] loop: module loaded
[    0.955796] libphy: Fixed MDIO Bus: probed
[    0.957438] CAN device driver interface
[    0.959150] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
[    0.959231] usbcore: registered new interface driver pegasus
[    0.959313] usbcore: registered new interface driver asix
[    0.959364] usbcore: registered new interface driver ax88179_178a
[    0.959418] usbcore: registered new interface driver cdc_ether
[    0.959487] usbcore: registered new interface driver smsc75xx
[    0.959554] usbcore: registered new interface driver smsc95xx
[    0.959602] usbcore: registered new interface driver net1080
[    0.959660] usbcore: registered new interface driver cdc_subset
[    0.959709] usbcore: registered new interface driver zaurus
[    0.959790] usbcore: registered new interface driver cdc_ncm
[    0.960531] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.960576] ehci-platform: EHCI generic platform driver
[    0.960746] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.960772] ohci-platform: OHCI generic platform driver
[    0.961294] usbcore: registered new interface driver cdc_acm
[    0.961307] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    0.961380] usbcore: registered new interface driver usb-storage
[    0.964825] i2c /dev entries driver
[    0.968220] stm32-cpufreq stm32-cpufreq: Failed to get chip info: -517
[    0.971310] sdhci: Secure Digital Host Controller Interface driver
[    0.971326] sdhci: Copyright(c) Pierre Ossman
[    0.971336] Synopsys Designware Multimedia Card Interface Driver
[    0.971724] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.972466] ledtrig-cpu: registered to indicate activity on CPUs
[    0.974401] usbcore: registered new interface driver usbhid
[    0.974416] usbhid: USB HID core driver
[    0.974679] arm-smc-mbox mailbox-0: ARM SMC mailbox enabled.
[    0.974793] arm-smc-mbox mailbox-1: ARM SMC mailbox enabled.
[    0.977495] Unable to get STM32 DDR PMU clock
[    0.980942] drop_monitor: Initializing network drop monitor service
[    0.981244] NET: Registered protocol family 17
[    0.981272] can: controller area network core (rev 20170425 abi 9)
[    0.981404] NET: Registered protocol family 29
[    0.981421] can: raw protocol (rev 20170425)
[    0.981433] can: broadcast manager protocol (rev 20170425 t)
[    0.981451] can: netlink gateway (rev 20190810) max_hops=1
[    0.982193] Key type dns_resolver registered
[    0.982347] ThumbEE CPU extension supported.
[    0.982372] Registering SWP/SWPB emulation handler
[    0.982787] registered taskstats version 1
[    0.982800] Loading compiled-in X.509 certificates
[    0.998279] arm-scmi firmware:scmi-0: SCMI Protocol v2.0 'ST:' Firmware version 0x0
[    1.002193] Unable to get STM32 DDR PMU clock
[    1.013765] debugfs: Directory 'cpu0' with parent 'opp' already present!
[    1.021217] Unable to get STM32 DDR PMU clock
[    1.054743] stm32-mdma 58000000.dma: STM32 MDMA driver registered
[    1.056744] stm32-dma 48000000.dma: STM32 DMA driver registered
[    1.058803] stm32-dma 48001000.dma: STM32 DMA driver registered
[    1.059456] reg11: supplied by regulator-dummy
[    1.059839] reg18: supplied by regulator-dummy
[    1.060167] usb33: supplied by regulator-dummy
[    1.065572] stm_thermal 50028000.thermal: stm_thermal_probe: Driver initialized successfully
[    1.068454] debugfs: Directory 'cpu0' with parent 'opp' already present!
[    1.079084] stm32-crc32 58009000.crc: Initialized
[    1.080590] stm32-hash 54002000.hash: will run requests pump with realtime priority
[    1.084338] stm32-hash 54002000.hash: Init HASH done HW ver 23 DMA mode 1
[    1.084371] random: fast init done
[    1.086375] stm32-ddr-pmu: probed (ID=0x00140061 VER=0x00000010), DDR@533MHz
[    1.086960] /soc/interrupt-controller@5000d000: bank0
[    1.086976] /soc/interrupt-controller@5000d000: bank1
[    1.086987] /soc/interrupt-controller@5000d000: bank2
[    1.088933] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOA bank added
[    1.088946] random: crng init done
[    1.089394] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOB bank added
[    1.089726] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOC bank added
[    1.090053] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOD bank added
[    1.090372] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOE bank added
[    1.090697] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOF bank added
[    1.091013] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOG bank added
[    1.091329] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOH bank added
[    1.091630] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOI bank added
[    1.091962] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOJ bank added
[    1.092279] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOK bank added
[    1.092506] stm32mp157-pinctrl soc:pin-controller@50002000: Pinctrl STM32 initialized
[    1.093365] stm32mp157-pinctrl soc:pin-controller-z@54004000: GPIOZ bank added
[    1.093396] stm32mp157-pinctrl soc:pin-controller-z@54004000: Pinctrl STM32 initialized
[    1.094425] stm32-usart 40010000.serial: interrupt mode for rx (no dma)
[    1.094447] stm32-usart 40010000.serial: interrupt mode for tx (no dma)
[    1.094505] 40010000.serial: ttySTM0 at MMIO 0x40010000 (irq = 47, base_baud = 4000000) is a stm32-usart
[    2.295925] printk: console [ttySTM0] enabled
[    2.302650] stm32-dwmac 5800a000.ethernet: PTP uses main clock
[    2.307030] stm32-dwmac 5800a000.ethernet: no reset control found
[    2.313253] stm32-dwmac 5800a000.ethernet: No phy clock provided...
[    2.319988] stm32-dwmac 5800a000.ethernet: User ID: 0x40, Synopsys ID: 0x42
[    2.326326] stm32-dwmac 5800a000.ethernet:   DWMAC4/5
[    2.331346] stm32-dwmac 5800a000.ethernet: DMA HW capability register supported
[    2.338639] stm32-dwmac 5800a000.ethernet: RX Checksum Offload Engine supported
[    2.345879] stm32-dwmac 5800a000.ethernet: TX Checksum insertion supported
[    2.352764] stm32-dwmac 5800a000.ethernet: Wake-Up On Lan supported
[    2.359021] stm32-dwmac 5800a000.ethernet: TSO supported
[    2.364308] stm32-dwmac 5800a000.ethernet: Enable RX Mitigation via HW Watchdog Timer
[    2.372161] stm32-dwmac 5800a000.ethernet: device MAC address aa:e1:94:11:ef:c4
[    2.379456] stm32-dwmac 5800a000.ethernet: TSO feature enabled
[    2.385523] libphy: stmmac: probed
[    2.392314] stm32_rtc 5c004000.rtc: registered as rtc0
[    2.396379] stm32_rtc 5c004000.rtc: Date/Time must be initialized
[    2.402157] stm32_rtc 5c004000.rtc: registered rev:1.2
[    2.408927] mmci-pl18x 58005000.sdmmc: mmc0: PL180 manf 53 rev2 at 0x58005000 irq 43,0 (pio)
[    2.442999] mmci-pl18x 58007000.sdmmc: mmc1: PL180 manf 53 rev2 at 0x58007000 irq 44,0 (pio)
[    2.488804] stm32-ipcc 4c001000.mailbox: ipcc rev:1.0 enabled, 6 chans, proc 0
[    2.497664] stm32_rtc 5c004000.rtc: setting system clock to 2000-05-08T03:51:08 UTC (957757868)
[    2.506020] ALSA device list:
[    2.509072]   No soundcards found.
[    2.513237] Waiting for root device /dev/mmcblk1p3...
[    2.516876] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.531060] mmc0: new high speed SDXC card at address 1388
[    2.536318] mmcblk0: mmc0:1388 USD00 118 GiB
[    2.554216]  mmcblk0: p1
[    2.592607] mmc1: new high speed MMC card at address 0001
[    2.597887] mmcblk1: mmc1:0001 8GTF4R 7.28 GiB
[    2.601777] mmcblk1boot0: mmc1:0001 8GTF4R partition 1 4.00 MiB
[    2.607611] mmcblk1boot1: mmc1:0001 8GTF4R partition 2 4.00 MiB
[    2.613357] mmcblk1rpmb: mmc1:0001 8GTF4R partition 3 512 KiB, chardev (242:0)
[    2.625743]  mmcblk1: p1 p2 p3
[    2.646375] EXT4-fs (mmcblk1p3): mounted filesystem with ordered data mode. Opts: (null)
[    2.653174] VFS: Mounted root (ext4 filesystem) on device 179:19.
[    2.660438] devtmpfs: mounted
[    2.663908] Freeing unused kernel memory: 1024K
[    2.698461] Run /sbin/init as init process
[    2.701919] Run /etc/init as init process
[    2.705759] Run /bin/init as init process
[    2.709788] Run /bin/sh as init process
[    2.712963] Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance.
[    2.727088] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.4.31 #3
[    2.732991] Hardware name: STM32 (Device Tree Support)
[    2.738155] [<c0112518>] (unwind_backtrace) from [<c010d7a8>] (show_stack+0x10/0x14)
[    2.745873] [<c010d7a8>] (show_stack) from [<c0b0fc74>] (dump_stack+0xb0/0xc4)
[    2.753087] [<c0b0fc74>] (dump_stack) from [<c0125bd0>] (panic+0x11c/0x31c)
[    2.760040] [<c0125bd0>] (panic) from [<c0b27458>] (kernel_init+0x108/0x110)
[    2.767080] [<c0b27458>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[    2.774635] Exception stack(0xe6897fb0 to 0xe6897ff8)
[    2.779679] 7fa0:                                     00000000 00000000 00000000 00000000
[    2.787851] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    2.796020] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    2.802645] CPU0: stopping
[    2.805323] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.31 #3
[    2.811228] Hardware name: STM32 (Device Tree Support)
[    2.816375] [<c0112518>] (unwind_backtrace) from [<c010d7a8>] (show_stack+0x10/0x14)
[    2.824104] [<c010d7a8>] (show_stack) from [<c0b0fc74>] (dump_stack+0xb0/0xc4)
[    2.831319] [<c0b0fc74>] (dump_stack) from [<c0110f50>] (handle_IPI+0x41c/0x448)
[    2.838711] [<c0110f50>] (handle_IPI) from [<c056b06c>] (gic_handle_irq+0x8c/0x90)
[    2.846271] [<c056b06c>] (gic_handle_irq) from [<c0101a8c>] (__irq_svc+0x6c/0xa8)
[    2.853736] Exception stack(0xc1101f40 to 0xc1101f88)
[    2.858785] 1f40: 00000000 00000a0c e7667074 c011b7c0 00000000 c1100000 c1104ca8 c1104ce8
[    2.866953] 1f60: 00000001 c105ca40 e7fffe40 00000000 00000000 c1101f90 c010a1c8 c010a1cc
[    2.875118] 1f80: 60000113 ffffffff
[    2.878606] [<c0101a8c>] (__irq_svc) from [<c010a1cc>] (arch_cpu_idle+0x38/0x3c)
[    2.885992] [<c010a1cc>] (arch_cpu_idle) from [<c0158568>] (do_idle+0xc4/0x14c)
[    2.893294] [<c0158568>] (do_idle) from [<c01588dc>] (cpu_startup_entry+0x18/0x1c)
[    2.900856] [<c01588dc>] (cpu_startup_entry) from [<c1000f10>] (start_kernel+0x4bc/0x4f4)
[    2.909034] ---[ end Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance. ]---

weieii

好吧是我脑抽了。。。
我在其他地方中看到有人讨论有关linux符号链接， 这才想起来我是在win下解压的buildroot包，再传输到ubuntu的， 这导致根文件中所有的符号链接全部失效，init函数解析时找不到对应文件失败。 在ubuntu重新制作根文件系统或者传输后在解压就可以了