[resolved] bad CRC boot loop (again)



  • Got two more Omega2Pro boards yesterday, both refuse to initialise and are stuck in a loop. I made an attempt to recover with a known working firmware (omega2pro-v0.3.1-b211.bin) from USB but the result is the same. It gets to the point when the WiFi driver is loaded. On my one working board it looks like this:

    ...
    [   30.063996] DMA Scheduler Mode=0(LMAC)
    [   30.067827] efuse_probe: efuse = 10000012
    [   30.071990] 1. Phy Mode = 14
    [   30.275091] 2. Phy Mode = 14
    [   30.278070] 3. Phy Mode = 14
    ...
    

    The two new boards only show this:

    ...
    [   33.426104] DMA Scheduler Mode=0(LMAC)
    [   33.429936] efuse_probe: efuse = 10000012
    [   33.434141] 1. Phy Mode = 14
    ...
    

    and then reboot on their own.

    Any help would be appreciated. Thanks!

    --
    part of boot log

    [   11.891319] block: attempting to load /etc/config/fstab
    [   11.902161] block: unable to load configuration (fstab: Entry not found)
    [   11.909040] block: no usable configuration
    [   11.914186] mount_root: jffs2 not ready yet, using temporary tmpfs overlay
    [   11.990535] urandom-seed: Seed file not found (/etc/urandom.seed)
    [   12.202673] procd: - early -
    [   12.205712] procd: - watchdog -
    [   12.879891] procd: - watchdog -
    [   12.883434] procd: - ubus -
    [   12.982202] random: ubusd: uninitialized urandom read (4 bytes read)
    [   13.183456] random: ubusd: uninitialized urandom read (4 bytes read)
    [   13.190500] random: ubusd: uninitialized urandom read (4 bytes read)
    [   13.197954] procd: - init -
    Please press Enter to activate this console.
    [   13.754276] kmodloader: loading kernel modules from /etc/modules.d/*
    [   13.923503] RPC: Registered named UNIX socket transport module.
    [   13.929516] RPC: Registered udp transport module.
    [   13.934354] RPC: Registered tcp transport module.
    [   13.939122] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [   13.957342] ntfs: driver 2.1.32 [Flags: R/O MODULE].
    [   14.048594] ip6_tables: (C) 2000-2006 Netfilter Core Team
    [   14.710931] 
    [   14.710931] 
    [   14.710931] === pAd = c062b000, size = 1178064 ===
    [   14.710931] 
    [   14.722242] mt7628_init(FW(8a00), HW(8a01), CHIPID(7628))
    [   14.771773] Linux video capture interface: v2.00
    [   14.789366] hidraw: raw HID events driver (C) Jiri Kosina
    [   14.818807] ledchain: pwm_base=0xB0005000
    [   14.823128] ledchain: Device: /dev/ledchain2
    [   14.827459] ledchain: - PWM channel    : 2
    [   14.831648] ledchain: - PWM buffer size: 12
    [   14.835885] ledchain: - Number of LEDs : 1
    [   14.840043] ledchain: - Inverted       : 0
    [   14.844191] ledchain: - LED type       : WS2812
    [   14.848780] ledchain: - Max retries    : 3
    [   14.884334] Bluetooth: Core ver 2.22
    [   14.888065] NET: Registered protocol family 31
    [   14.892623] Bluetooth: HCI device and connection manager initialized
    [   14.899078] Bluetooth: HCI socket layer initialized
    [   14.904040] Bluetooth: L2CAP socket layer initialized
    [   14.909197] Bluetooth: SCO socket layer initialized
    [   14.917028] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [   14.922497] Bluetooth: BNEP filters: protocol multicast
    [   14.927807] Bluetooth: BNEP socket layer initialized
    [   14.940493] usbcore: registered new interface driver btusb
    [   14.950761] usbcore: registered new interface driver cdc_acm
    [   14.956512] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
    [   14.969075] Bluetooth: HCI UART driver ver 2.3
    [   14.973674] Bluetooth: HCI UART protocol H4 registered
    [   14.978884] Bluetooth: HCI UART protocol BCSP registered
    [   14.988930] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
    [   14.995030] Bluetooth: HIDP socket layer initialized
    [   15.006037] ip_tables: (C) 2000-2006 Netfilter Core Team
    [   15.033901] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
    [   15.132632] rt2880-pinmux pinctrl: pin io18 already requested by pinctrl; cannot claim for 10005000.pwm
    [   15.142248] rt2880-pinmux pinctrl: pin-18 (10005000.pwm) status -22
    [   15.148610] rt2880-pinmux pinctrl: could not request pin 18 (io18) from group pwm0  on device rt2880-pinmux
    [   15.158502] mtk-pwm 10005000.pwm: Error applying setting, reverse things back
    [   15.172974] Bluetooth: RFCOMM TTY layer initialized
    [   15.177951] Bluetooth: RFCOMM socket layer initialized
    [   15.183254] Bluetooth: RFCOMM ver 1.11
    [   15.204404] usbcore: registered new interface driver ums-alauda
    [   15.213650] usbcore: registered new interface driver ums-cypress
    [   15.223199] usbcore: registered new interface driver ums-datafab
    [   15.232401] usbcore: registered new interface driver ums-freecom
    [   15.241826] usbcore: registered new interface driver ums-isd200
    [   15.251397] usbcore: registered new interface driver ums-jumpshot
    [   15.260767] usbcore: registered new interface driver ums-karma
    [   15.270933] usbcore: registered new interface driver ums-sddr09
    [   15.280362] usbcore: registered new interface driver ums-sddr55
    [   15.290235] usbcore: registered new interface driver ums-usbat
    [   15.303533] usbcore: registered new interface driver usbhid
    [   15.309193] usbhid: USB HID core driver
    [   15.317590] usbcore: registered new interface driver usblp
    [   15.333230] usbcore: registered new interface driver usbserial
    [   15.339241] usbcore: registered new interface driver usbserial_generic
    [   15.346034] usbserial: USB Serial support registered for generic
    [   15.365738] Driver for 1-wire Dallas network protocol.
    [   15.395274] xt_time: kernel timezone is -0000
    [   15.402356] usbcore: registered new interface driver ch341
    [   15.408028] usbserial: USB Serial support registered for ch341-uart
    [   15.417550] usbcore: registered new interface driver cp210x
    [   15.423388] usbserial: USB Serial support registered for cp210x
    [   15.433465] usbcore: registered new interface driver ftdi_sio
    [   15.439402] usbserial: USB Serial support registered for FTDI USB Serial Device
    [   15.461025] usbcore: registered new interface driver pl2303
    [   15.466778] usbserial: USB Serial support registered for pl2303
    [   15.478724] PPP generic driver version 2.4.2
    [   15.486570] NET: Registered protocol family 24
    [   15.506543] usbcore: registered new interface driver snd-usb-audio
    [   15.530170] usbcore: registered new interface driver uvcvideo
    [   15.536007] USB Video Class driver (1.1.1)
    [   15.547229] usbcore: registered new interface driver option
    [   15.553077] usbserial: USB Serial support registered for GSM modem (1-port)
    [   15.565778] kmodloader: done loading kernel modules from /etc/modules.d/*
    [   15.993003] urandom_read: 5 callbacks suppressed
    [   15.993013] random: jshn: uninitialized urandom read (4 bytes read)
    [   27.234585] EXT4-fs (mmcblk0p1): recovery complete
    [   27.239473] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: 
    [   32.192064] IPv6: ADDRCONF(NETDEV_UP): br-wlan: link is not ready
    [   33.064132] 
    [   33.064132] _      _____   ___  ___    _________  ___  ____
    [   33.064132] | | /| / / _ | / _ \/ _ \  / ___/ __ \/ _ \/ __/ V1.0
    [   33.064132] | |/ |/ / __ |/ , _/ ___/ / /__/ /_/ / , _/ _/  
    [   33.064132] |__/|__/_/ |_/_/|_/_/     \___/\____/_/|_/___/  
    [   33.064132] 		   Onion Enhanced MT7688 WiFi Driver 
    [   33.064132] 
    [   33.490146] DMA Scheduler Mode=0(LMAC)
    [   33.493977] efuse_probe: efuse = 10000012
    [   33.498098] 1. Phy Mode = 14
    ^@
    
    
       ____       _             ____
      / __ \___  (_)__  ___    / __ \__ _  ___ ___ ____ _
     / /_/ / _ \/ / _ \/ _ \  / /_/ /  ' \/ -_) _ `/ _ `/
     \____/_//_/_/\___/_//_/  \____/_/_/_/\__/\_, /\_,_/
     W H A T  W I L L  Y O U  I N V E N T ? /___/"
    
    Board: Onion Omega2 APSoC DRAM:  128 MB
    relocate_code Pointer at: 87f60000
    flash manufacture id: ef, device id 40 19
    find flash: W25Q256FV
    *** Warning - bad CRC, using default environment
    
    ============================================ 
    Onion Omega2 UBoot Version: 4.3.0.3
    -------------------------------------------- 
    ASIC 7628_MP (Port5<->None)
    DRAM component: 1024 Mbits DDR, width 16
    DRAM bus: 16 bit
    Total memory: 128 MBytes
    Flash component: SPI Flash
    Date:Feb 26 2019  Time:13:04:08
    ============================================ 
    icache: sets:512, ways:4, linesz:32 ,total:65536
    dcache: sets:256, ways:4, linesz:32 ,total:32768 
    CPU freq = 575 MHZ
    Estimated memory size = 128 Mbytes
    Resetting MT7628 PHY.
    Initializing MT7688 GPIO system.
    wifi mac address = 40A36BC32307.
    
    
    **************************************
    * Hold Reset button for more options *
    **************************************
    
    
    Boot Linux from Flash NO RESET PRESSED.
    ## Booting image at bc050000 ...
       Image Name:   MIPS OpenWrt Linux-4.14.81
       Image Type:   MIPS Linux Kernel Image (lzma compressed)
       Data Size:    1572303 Bytes =  1.5 MB
       Load Address: 80000000
       Entry Point:  80000000
       Verifying Checksum ... OK
       Uncompressing Kernel Image ... OK
    No initrd
    ## Transferring control to Linux (at address 80000000) ...
    ## Giving linux memsize in MB, 128
    
    Starting kernel ...
    
    [    0.000000] Linux version 4.14.81 (jenkins@f2c5b085c3c5) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r0+7428-2af79b2e09)) #0 Fri Feb 1 01:17:10 2019
    [    0.000000] Board has DDR2
    [    0.000000] Analog PMU set to hw control
    [    0.000000] Digital PMU set to hw control
    [    0.000000] SoC Type: MediaTek MT7688 ver:1 eco:2
    [    0.000000] bootconsole [early0] enabled
    [    0.000000] CPU0 revision is: 00019655 (MIPS 24KEc)
    [    0.000000] MIPS: machine is Onion Omega2 Pro
    [    0.000000] Determined physical RAM map:
    [    0.000000]  memory: 04000000 @ 00000000 (usable)
    [    0.000000] Initrd not found or empty - disabling initrd
    [    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
    [    0.000000] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
    [    0.000000] Zone ranges:
    [    0.000000]   Normal   [mem 0x0000000000000000-0x0000000003ffffff]
    [    0.000000] Movable zone start for each node
    [    0.000000] Early memory node ranges
    [    0.000000]   node   0: [mem 0x0000000000000000-0x0000000003ffffff]
    [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
    [    0.000000] random: get_random_bytes called from start_kernel+0x8c/0x474 with crng_init=0
    [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
    [    0.000000] Kernel command line: console=ttyS0,115200 rootfstype=squashfs,jffs2
    [    0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
    [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
    [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
    [    0.000000] Writing ErrCtl register=0003f810
    [    0.000000] Readback ErrCtl register=0003f810
    [    0.000000] Memory: 59740K/65536K available (3613K kernel code, 198K rwdata, 900K rodata, 208K init, 202K bss, 5796K reserved, 0K cma-reserved)
    


  • We live and learn. Turns out I didn't provide enough power to the board. Everything's OK now.


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