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LK (Little kernel) mode

Discussion in 'Android Devices' started by hroark13, Sep 19, 2011.

  1. hroark13

    hroark13 Android Expert
    Recognized Developer Thread Starter

    Something I found, may help with troubleshooting non booting kernels

    I think it just bypasses first boot splash screen

    Volume up + Volume down + camera + power


    Little kernel is our secondary boot loader which initializes the Linux Kernel zImage and Ramdisk

    https://www.codeaurora.org/2010/03/02/little-kernel-based-android-bootloader/

    It is not GPL so Samsung does not have to provide source code.

    HW Revision 9
    Booting Linux @ 13008000
    ramdisk@ 14000000

    cmdline: mem=336M console=ttyMSM2,115200 hw=9
     


    murderousone likes this.

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  2. Koumajutsu

    Koumajutsu Android Expert

    what device is ttyMSM2?

    That's where all the Kernel messages are streaming to, right?
     
  3. hroark13

    hroark13 Android Expert
    Recognized Developer Thread Starter

    I believe it is one of the UART interfaces of the MSM chipset, but how do we connect to it?
     
  4. Koumajutsu

    Koumajutsu Android Expert

    One of these days, I'll do a dis-assembly of my phone, or I'll buy a busted one to tear down.
    Maybe I'll find a JTAG header or something fun

    My biggest fear is a piece of fuzz or dust between the display and the touchscreen that would piss me off every time I look at my phone :)
    Oh, that and snapping a spring-tab when taking the phone apart
     
  5. danielmike

    danielmike Well-Known Member

    i actually found this secondary on my first prevail that i messed up way before your odiin recovery lol.. but i culdnt use the secondary at the time to fix my problem.. by the way i wonder how much money you saved ppl that can now use odin?? thats something to think about and its prolly an amazing amount of cash!!! sorry got off topic...
     

Samsung Galaxy Prevail Forum

The Samsung Galaxy Prevail release date was April 2011. Features and Specs include a 3.2" inch screen, 2MP camera, GB RAM, MSM7627-3 processor, and 1500mAh battery.

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