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what are the kernels for???

Discussion in 'Android Hacks and Help' started by ucpro, Feb 25, 2010.

  1. ucpro
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    ucpro New Member

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    i may sound retarted, and i looked all over the net, but i got bb 1.1, but now i see they have kernels for each oc speed. bb 1.1 is 76mb and the kernels is maybe 2mb, so what is the difference now. is bb 1.1 without the kernal only 550mhz without being able to get oc'ed? i'm used to the roms already having the oc speeds built in, so why change everything up
  2. R1Lover
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    R1Lover New Member

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    I normally put them in the microwave until they pop.
  3. ucpro
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    ucpro New Member

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    :dry::huh::wacko::wacko::icon_ nono2::unsure::icon_ nono::mad:
  4. KZIWarrior
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    KZIWarrior Active Member

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    Because certain prefer certain kernels (i.e. Chevy1 or Adamz). Also including kernels in the ROM(s) was proving problematic with many phones (be it because of program conflicts or high clock speeds). This way Pete just provides the ROM(s) and the user can choose whichever kernel they prefer. Also there is not conflict with the initial load of the ROM because of a preset speed ect. Also many people want a cooked ROM but don't want a custom/cooked kernel and/or don't want to OC.
  5. ucpro
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    ucpro New Member

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    so this is basically an add-on for the rom, and if i wanna change my speed, i'll have to do the update.zip instead of going into setcpu and changing it?
  6. Bob Dammit
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    Bob Dammit Super Moderator

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    You will go the update.zip route for the ROM, then do the update.zip thing to flash the kernel. It is a 2 step process now. Once you have changed the kernel, you can use setCPU, otherwise your CPU will onlu operate at 550mHz.
  7. 52brandon
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    52brandon New Member

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    do all kernals have update.zips? I thought most had to be applied via adb shell... and you still need to go into setCPU to set it. Make sure to "autodetect"
  8. ucpro
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    ucpro New Member

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    i downloaded the 1.1 ghz and now i'm only at 800mhz on setcpu, 600 max
  9. 52brandon
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    52brandon New Member

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    huh? Did you try adjusting the slider? Bring it down, then put it back up. Do you have profiles on? What are they?
  10. ucpro
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    ucpro New Member

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    yea then it went to 600mhz. i downloaded the stevekernel for the 1ghz and it worked
  11. Bob Dammit
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    Bob Dammit Super Moderator

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    Over on alldroid, Pete has the following kernels listed as update.zip installable:
    AllDroid - View topic - [ROM 2.0.1] Bugless Beast V1.1 (2/22/10) STABLE
    OPTIONAL Kernels: (rename to update.zip and install using instructions below)
    -Stock 550 MHz (Already Included, Does not support Wifi Tether)
    -t3hSteve's 600 MHz
    -t3hSteve's 1 GHz
    -AdamZ's 1.1 GHz
    -DroidMod's 1.2 GHz (a.k.a. Sholes.info)
    -ChevyNo1's 10 Slot 1.2 GHz
    -ChevyNo1's 10 Slot 1.25 GHz
  12. voydas
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    voydas New Member

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    isnt adb flash_image easier?
  13. ucpro
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    ucpro New Member

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    ok now the new problem is that wifi tether says that this kernel doesn't have the necessary features for tethering
    stevekernal 1ghz

    edit: all the kernals from 1.1 to 1.25 do not go above 800..the tethering works on them, but i wanted to stay at 1ghz, any suggestions as to what's going on???
  14. caboyzcoti
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    caboyzcoti New Member

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    go back to stock and start the entire process over
  15. Se7enLC
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    Se7enLC New Member

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    Is it? Think about this...

    Steps to install a kernel with the update.zip method:
    1). Download update.zip
    2). Move update.zip to /sdcard
    3). Reboot and install

    Steps to install a kernel with the flash_image method:
    1). Install flash_image, make it executable
    2). Download kernel image
    3). Reboot into recovery
    4). Plug into a PC
    5). Run ADB Shell
    6). Run flash_image boot kernelname.img
    7). Download whatever modules are needed with the kernel change (tiwlan_drv.ko, etc)
    8). Copy those kernels into /system/lib/modules

    The update.zip method can be done without using a computer or ADB, and the only commands needed are simple file operations - I think it's safe to say that is much easier.
  16. Se7enLC
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    Se7enLC New Member

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    A kernel is just a boot.img file and a collection of kernel module files. The way to install them is using flash_image via adb shell in the recovery console.

    ROM images also tend to include updated kernels and modules within their update.zip. The recovery console will perform the flash for you.

    This new scheme for BB is to have the normal rom update.zip file not include a new kernel (just includes the stock kernel). The kernel roms just include a kernel and modules. It's effectively the same thing as flashing a kernel and installing the modules, but it's much easier (and harder for people to screw up).
  17. ucpro
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    ucpro New Member

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    no way.. the only reason i have to go back to stock is if i had to return the phone for some odd reason....i figured out the wifi problem...i had to reset my router
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