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PS3 Dump never finishes

Discussion in 'PS3Xploit CFW Installer ( PS3 25XX Models & Lower)' started by Desmo, Jan 31, 2019.

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    Desmo

    Desmo Forum Noob

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    Hey there,

    I'm able to initialize and patch without any problems. The problem arises when trying to do a dump so I can check that everything is ok. I've done this about 15x in the past month hoping that it will at some point work but it always is the same thing. After 2-3hrs of letting the dump run in the background I'll eventually just stop it and check the usb stick. The same 136MB file is always created...I think once there was a 139MB file.
    Any ideas of what I'm doing wrong? My system is a CECH-A00 from Japan.

    Thanks!
     
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    kadorna2

    kadorna2 Member

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    Try another usb drive. The dump should be 256MB. If it doesn't work either try dumping to the HDD instead of USB
     
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    Desmo

    Desmo Forum Noob

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    Hi kadorna2,

    I just finished dumping to the HDD and it worked on the first try. I don't know why I got fixated on the USB stick and didn't think about the HDD option.

    Thanks for the reply!
     
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    RandomDude

    RandomDude Forum Noob

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    great to see your ps3 finished dumping.
    256 mb is quite large tho
     
    Last edited: Feb 1, 2019
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    kadorna2

    kadorna2 Member

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    nands are 256 mb :indecisiveness:
     
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    RandomDude

    RandomDude Forum Noob

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    ik ik
    i just put some lameass joke which I had edited to the post you've read lol
     
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    RandomDude

    RandomDude Forum Noob

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    I've done it again smh
     
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    bguerville

    bguerville Moderator

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    Dumping 240Mb of NAND (not 256Mb because 16Mb of NAND is unaccessible via software method relying on system calls) to memory is extremely fast but unfortunately copying that amount of data from memory to USB takes a while & there is not much more we can do to improve it.

    There are 2 ways available to us in ROP to write data to USB, one is to reuse the standard C library functions using vsh exports (fopen/fread/fwrite/fclose etc..). Very practical but mega slow, copying 16Mb of data can take several long minutes, that is what we originally used in the first builds of the dumper tool.
    The other is to make use of the appropriate cellFs/sys_fs kernel syscalls, it's much faster than the libc way but it's still pretty slow compared to modern standards. Nonetheless, without a better choice, we eventually decided to adopt this method when we realised how long a dump could take with the first method.
    In any case, when dumping Flash memory to USB, I recommend using a USB stick with an activity led to avoid the guesswork.

    Copying the data to the internal Hdd is always a lot faster which is why the hdd dumper is recommended for NAND dumping in particular.
     
    Last edited: Feb 2, 2019
    Xx11xx22xX and sandungas like this.

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