Faulty DM500HD with flash problems

Discussion in 'Hardware troubles and Repair support.' started by sinmc, Oct 29, 2018.

  1. sinmc

    sinmc New Member

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    Hello , i have aproblem with a 500HD , the box have broken ethernet port so only type af approaching is service usb .
    I played with nfidump and rebuilding image , and i flashed with nfi imagetools directly from usb , but probably i made some mistake in rebuilding image , and now flash is uncofigurated ...

    Code:
    [    1.674000]
    [    1.674000] NAND registers snapshot
    [    1.675000]
    [    1.675000] 00002800:  00000302  01000000  00010000  00821400
    [    1.676000] 00002810:  00000000  40000202  00000000  00000000
    [    1.676000] 00002820:  ffffffff  ffff0604  68ffffff  ffffffff
    [    1.677000] 00002830:  ffffffff  ffffffff  ffffffff  ffffffff
    [    1.678000] 00002840:  f7ff1010  00000000  5363444f  00000000
    [    1.679000] 00002850:  00000000  ad76ad76  00000000  00000000
    [    1.679000] 00002860:  00000000  00000000  00000000  00000000
    [    1.680000] 00002870:  00010000  00821400  00000000brcmnand_ctrl_read: Invalid register value 0000289c
    [    1.681000]   00000000brcmnand_ctrl_read: Invalid register value 000028a0
    [    1.682000]
    [    1.682000] 00002880:  00000000brcmnand_ctrl_read: Invalid register value 000028a4
    [    1.683000]   00000000  00000000  00000000brcmnand_ctrl_read: Invalid register value 000028b0
    [    1.684000]
    [    1.684000] 00002890:  00000000brcmnand_ctrl_read: Invalid register value 000028b4
    [    1.685000]   00000000brcmnand_ctrl_read: Invalid register value 000028c0
    [    1.686000]   00000000
    [    1.686000] brcmnand_read_page: 3: brcmnand_posted_read_cache failed at offset=821400, ret=-77
    [    1.699000] VFS: Cannot open root device "mtdblock3" or unknown-block(31,3)
    [    1.699000] Please append a correct "root=" boot option; here are the available partitions:
    [    1.700000] 1f00           64512 mtdblock0  (driver?)
    [    1.701000] 1f01             256 mtdblock1  (driver?)
    [    1.702000] 1f02            3840 mtdblock2  (driver?)
    [    1.702000] 1f03           60416 mtdblock3  (driver?)
    [    1.703000] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,3)
    [    1.704000] Rebooting in 180 seconds..
    
    i post all the log ( taken with putty during boot )
     

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  2. Johnny B.

    Johnny B. Technical Support Staff Member Moderator

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    Nand_ctrl_read: Invalid register value could be caused due a bad nand chip or bad programmed software.
     
  3. sinmc

    sinmc New Member

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    is possible to fix the problem without ethernet ?
    with serial only mode in dreamup everyfile hang on 'Calculating Checksum'
     
  4. Johnny B.

    Johnny B. Technical Support Staff Member Moderator

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    See if you can fix it with another tool as optiflasher or japhar dreamup (japharflasher) with serial mode.
     
    toysoft likes this.