Source Code

Discussion in 'Sylvania Tablets' started by giveen, Jul 11, 2011.

  1. tuzzz

    tuzzz Member

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    This happens because you need build uImage instead zImage. Try to do:
    Code:
    mkimage -l original_kernel_image
    and give output here.
     
  2. jb2kred

    jb2kred Member

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    @tuzzz i have managed to use uImage on my device but is stopping after the logo just black screen i am going to recompile with trying to output dmesg to screen instead of running the animation to see how far i get when booting
     
  3. tuzzz

    tuzzz Member

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    What mean "logo"? Is this kernel tux or boot screen from u-boot?
    And parameters for uImage should be identical to the original image.

    EDIT
    Simplest debugging is load kernel from NFS with correct file system via burntool.
    Also you can compile network console into kernel.
     
    Last edited: Jul 19, 2011
  4. jb2kred

    jb2kred Member

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    sorry i get the
    ANDROID _
    screen with my custom rom
    i am not to sure how to load kernel from NFS via the burntool i may have to research at bit more unless you have an example
     
  5. tuzzz

    tuzzz Member

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    Looks like you kernel is loaded but have problem with ramdisk or init. Maybe wrong some kernel config parameters.

    And try read this and this.

    EDIT
    Also this may occur due to framebuffer code or it configuration. Need do kernel debug messages on disk or console (com or network). Or also may try temporary disable gles for vivante (use libGLES_android.so). Android will go to soft-renderer but it will be start point.
     
    Last edited: Jul 19, 2011
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  6. hacksawz12

    hacksawz12 Member

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    I've had this tablet for a while now, even bricked on intentionally just to find out which files I can and can't flash to the device without bricking..and as long as you don't flash to U0. The device is always recoverable.
     
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  7. jb2kred

    jb2kred Member

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    Just to let people know that i havent given up on the source yet.
    I have a working Kernel.img Ramdisk.img and Userdata.img just having trouble with the system.img hopefully i can resolve this soon and we can have a full custom rom
     
    • Like Like x 6
  8. RJazz117

    RJazz117 Member

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    Thanks for the update jb2kred!
    I'm still interested in participating, however I can.
     
  9. jb2kred

    jb2kred Member

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    just a quick update i have created an online todo list so that people can see how i am progressing with the build i will post some videos soon as i dig out my webcam.
    Disgo / Sylvania Tablets Todo list
     
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  10. jb2kred

    jb2kred Member

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    Last edited by a moderator: Jul 29, 2014
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  11. epeereboom

    epeereboom Member

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    Looking good. Keep it going.

    Sent from my Dell Streak 7 using Tapatalk
     
  12. jb2kred

    jb2kred Member

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  13. lohtse

    lohtse Member

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    3x chinese clones(flytouch),1XDisgo6000,2xAndroid Phones,
    Hows this going????
     
  14. Jv90

    Jv90 Senior Member

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    sorry but? what is this wireless tx power apk that is in your blog? what it does?

    Sent from my Sytabex7 Tablet using android forum
     
  15. jarno83

    jarno83 Member

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    Any news? Good work so far :)
     

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