Dahua IPC EASY unbricking / recovery over TFTP

Discussion in 'Dahua' started by cor35vet, Feb 22, 2017.

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  1. intelcom

    intelcom n3wb

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    And that is my faulty start...

    Uncompressing Linux........................................................................................................................ done, booting the kernel.

    Checking DDR......OK

    UBL Version: 1.46t(DM365)10:21:32 Oct 30 2018
    Oscillator: 24MHZ
    ARM Rate: 432 MHZ
    DDR Rate: 340 MHZ
    BootMode: SPI
    Starting SPI Memory Copy...
    DONE


    U-Boot 1.3.6 (jerry) (Oct 30 2018 - 10:30:03)

    DRAM: 128 MB
    SF: Got idcode 01 20 18 03 01
    In: serial
    Out: serial
    Err: serial
    Ethernet PHY: GENERIC @ 0x05,id:221513
    total gio 2
    gio[22]=1
    gio[25]=1
    TFTP from server 192.168.254.254; our IP address is 192.168.1.108; sending through gateway 192.168.1.1
    Filename 'upgrade_info_7db780a713a4.txt'.
    Load address: 0x80100000
    Loading:
    Retry count exceeded; starting again
    Fail to get info file!
    Init error!
    TFTP from server 192.168.254.254; our IP address is 192.168.1.108; sending through gateway 192.168.1.1
    Filename 'failed.txt'.
    Load address: 0x80200000
    Loading:
    Retry count exceeded; starting again
    ==>use default images
    APP_OFFSET_NEW test
    .......
    ## Booting kernel from Legacy Image at 80007fc0 ...
    Image Name: Linux-2.6.18_pro500-davinci_evm-
    Image Type: ARM Linux Kernel Image (uncompressed)
    Data Size: 1799184 Bytes = 1.7 MB
    Load Address: 80008000
    Entry Point: 80008000
    Verifying Checksum ... OK
    XIP Kernel Image ... OK
    OK

    Starting kernel ...

    Uncompressing Linux........................................................................................................................ done, booting the kernel.
     
  2. intelcom

    intelcom n3wb

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  3. alastairstevenson

    alastairstevenson Staff Member

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    What's the actual problem?
    That looks normal enough.
     
  4. intelcom

    intelcom n3wb

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    The problem are that i'm traying to downgrade a firmware but the doorphone is not access the upgrade_info_7db780a713a4.txt.

    Thanks.
     
  5. Felföldi László

    Felföldi László n3wb

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    Hi, I would like to report a problem with my Dahua VTO2111D-WP. The device doesn't turn on after successfull firmware update.
    What chances do we have to restore the device?
    VDP Config doesn't see my device.