General :: How Is Kernel Extracted

Jan 23, 2013

We know that the ROM is installed to the /system partition. Likewise the kernel ie boot.img is installed to the /boot partition of the device. I tried hard but could not find any reference to such a /boot partition(directory) in the root of the device. I would like know whether it is hidden or disguised as something else. The script that flashes the custom kernels has the following line

Code:
package_extract_file("boot.img", "/dev/block/mmcblk0p9");
(What is the block code for system and other partitions?)

Is mmcblk0p9 the /boot partition? Moreover /dev/block has no reference to boot or mmcblk0p9. So where exactly is the kernel being extracted? The boot.img comes packaged as zImage + ramdisk, In other words where are zImage and ramdisk extracted to, in the root file system and in what form? Is the ramdisk responsible for the creation of the root files system(/dev, /proc, /data. /system, /sys, /sbin etc)?

General :: How is kernel extracted


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General :: Is APK File Contents Get Extracted Somewhere In Phone

May 2, 2013

I am a S4 new user coming from iPhone 5, on iPhone I can edit pictures/splash screen for the installed apps by just browsing to the installation dir for the app and edit whats inside..

my question is now I am rooted, is the APK file contents get extracted somewhere in the phone or it stays as it is? and If yes where is the location?

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General :: Convert Extracted Image To Yaffs2?

Mar 5, 2012

I have some images that I exracted using dump_image. I'm trying to restore them with the MTK Flash Tool. The ones that go on FAT partitions seem to flash fine but the ones that go on yaffs2 partitions don't work.

I think I need a way of converting the images I extracted to yaffs2 images.

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General :: How To Port AODP Kernel To CM9 Kernel

Jun 9, 2012

I have u8800 and 3.0.8 AOSP kernel. But not runnig cm9 with AOSP kernel. How to port aosp kernel to cm9 kernel.

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Android :: Applications APK File - Can Be Extracted

May 5, 2010

I just wondered, if someone has an application's APK file, can it be extracted? I mean, can you open it to extract any images, sound files, class files, xml files, etc?

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Android : Garbled Extracted XML Resources / How To Fix

Jul 28, 2009

When I extract a XML file from res/layout in an APK file it is garbled up. How can I fix this?

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HTC Incredible :: Ringtones / Alerts Can Be Extracted From Phone?

Nov 12, 2010

Is there any way to extract the ringtones and alert sounds from the HTC Incredible? Do you have to be rooted? Is there anywhere online that the collection or a zip of them is hosted?

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Android : Does Flash-Player Need To Be Extracted - Launched

Jan 24, 2010

On all the ads and blurb for the HTC Hero, its proudly announced that the device has a flash player. Going through the list of files (via Astro) there is indeed a file named 'HTCflashplayer'. So what exactly is this flash-player for? Does it need to be extracted and launched somehow? Because it sure as hell doesn't play much flash!

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Jelly Bean :: Rar Extracted Folders (with Images) Not Showing Up In Gallery

Feb 26, 2014

My rar extracted folders (with images) do not show up in the gallery.I tried Androzip & B1, both give the same results.

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BitmapFactory - (decode Returned False) For Internal Image Files Extracted From Zip

Apr 19, 2012

Need to display images downloaded and extracted from a zip into the "/files" directory of the app. the images are getting in there properly as far as i can tell - i am able to extract them from the emulator and view/open them from my desktop. but every attempt, every variation of code i have found and tried so far has failed (Tag: skia / Text: --- decoder->decode returned false).

My latest construct, which does work for image files downloaded separately and uncompressed :

Code:

String imgFile = new File(getFilesDir(), "myImage.jpg").getAbsolutePath();
ImageView myImageView = new ImageView(this);
Bitmap bm = null;
try{
bm = BitmapFactory.decodeFile(imgFile);
myImageView.setImageBitmap(bm);
} finally{
mainLayout.addView(myImageView);
}

And here is the construct i am using to handle the zip extraction. I assume this is where the problem lies but i am clueless as to what i could possibly do differently and to what effect:

Code:
ZipInputStream zis = new ZipInputStream(fis);
BufferedInputStream in = new BufferedInputStream(zis, 8192);
ZipEntry ze;
while ((ze = zis.getNextEntry()) != null){
File dest_file = new File(getFilesDir(), ze.getName());

[code]....

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Motorola Droid :: Desktop Kernel Patch Applied To Android Kernel

Nov 18, 2010

Does anybody know if the new desktop kernel patch written by Mike Galbraith can be applied or modified to be used in the android kernel?

Tiny Linux Kernel Patch Delivers Huge Speed Boost - PCWorld Business Center

I haven't messed around with android kernels yet, but I have applied it to my current Ubuntu 10.10 system and you can see the difference. Its like night & day!

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Android :: Patches To Convert A Normal Vanilla Kernel Into Droid Kernel?

Mar 3, 2010

I have vanilla linux kernel version 2.6.27. I want to apply android specific patches and convert it to android linux kernel 2.6.27. Where can a user find the patches to convert a normal vanilla kernel into android kernel?

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Samsung Moment :: Joeys Kernel And Get Stock Kernel Back

Jun 11, 2010

where I have got right now on my phone, which is:

1. I updated to stock 2.1 using the sprint update tool.
2. I followed the video tutorial to root the phone
3. then i used joey's page (http://www.joeyconway.com/sdx/custom/index.php) to install the his kernel (joeykrim-SDX-kernel v2.0.4 (includes root)).

I have done nothing else to the phone but this and removing a couple of bloatware apps (i checked the list of permitted deletions before i removed anything.) I have not installed a new recovery..at least i dont think that I did as part of one of the other operations I performed (as an aside, i am not really sure what the custom recovery is or what it is used for, so i didnt install it...i guess i need to read up more...)

So that is where I am..but i have a couple of questions.

1) i am now having issues with my wifi connection - the signal reception is very spotty in areas where i should have atleast 2 bars of reception, and the wifi often cuts out completely....Is there any know corellation between joey's kernel and this wifi issue? I have searched the forums and have found nothing that answers this.

2) Is there an easy way to get back to the stock kernel? I have read that i can get back to stock everything by using the sprint download center where I did my original 2.1 update. But is there a way to get back to just the stock kernel without wiping the phone?

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Motorola Droid :: New Kernel Over Old Kernel

May 20, 2010

I currently have bekit 1ghz kernet installed, but I was interested in trying out some other kernels. Can I just install them via Rom Manager over the first kernel? Or is there some kind of uninstall process I should use first?

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General :: Where Is Kernel In The ROM

Jun 19, 2012

i wanna know wheres is the kernel in the ROM and as i can replace it for other kernel

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General :: How To Extract Kernel Of A ROM

Apr 6, 2012

I just want to know how to extract a kernel of a ROM!

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General :: How To Change Kernel

Aug 5, 2012

I know that the boot img contains the kernel.. but how can i now change somthing inside?

ROMS I open with winrar and then change everything I want.

Does it work a different way at Kernel?

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General :: Test Kernel On AVD?

Jul 25, 2012

i'm trying to use my custom kernel on avd, when i launch

Code:

./emulator -avd sgsp40 -kernel /home/rmbq/zImage -show-kernel -verbose

the output is:

Code:
emulator: found SDK root at /home/rmbq/android-sdk-linux
emulator: Android virtual device file at: /home/rmbq/.android/avd/sgsp40.ini
emulator: virtual device content at /home/rmbq/.android/avd/sgsp40.avd
emulator: virtual device config file: /home/rmbq/.android/avd/sgsp40.avd/config.ini
emulator: using core hw config path: /home/rmbq/.android/avd/sgsp40.avd/hardware-qemu.ini
emulator: Found AVD target API level: 15
emulator: found skin 'WVGA800' in directory: /home/rmbq/android-sdk-linux/platforms/android-15/skins
emulator: autoconfig: -skin WVGA800

[code]....

there is this line:

Code:

emulator: Could not open file: (null)/system/build.prop: No such file or directory

which appear only when i use a custom kernel.

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General :: Difference Between ROM And Kernel

Apr 16, 2012

whats the difference between a ROM and a kernel

U8150

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General :: How To Edit Kernel Name In Rom

Sep 11, 2012

I have a kernel in my phone and I want to change its name. How to do it

GT-I9003

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General :: How To Overclock The Kernel

Feb 16, 2012

I Want to overClock My u8180 Kernel To 691 To its Max is 600 ?! How can i make it?

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General :: Possible To Keep Gingerbread Kernel For ICS?

Sep 14, 2012

Well I am working on beagleboard-xm project, where I am supposed to upgrade the current Android version to ICS. The thing is, I have to keep the current kernel , because it is customized for some applications that run on that board. It is not me that compiled that kernel...

Is it even possible to keep the "old" kernel and upgrade to ICS? Can it be done in any way? Or a new kernel with new patches has to be installed...?

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General :: Kernel For CynanogenMod?

Oct 10, 2013

I have a small query why cant i use the stock kernel with Cynanogenmod ?What is the difference between the two and how can I make a stock kernel compatible with Cynanogen mod when building one from source

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General :: How To Port Kernel

Oct 6, 2012

how to port kernels???

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General :: How To Flash Kernel On Neo V

Sep 4, 2012

unable to flash a kernel through fastboot it's showing the device is not rooted,but in flash tool it's showing the device is rooted,even all the applications are showing root is allowed but when i'm going to flash the kernel through fastboot its showing device is not rooted...

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General :: Changing Of Kernel Without USB?

Jun 16, 2013

how to Change kernel without usb?

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General :: Flash Kernel Using CWM?

Jul 12, 2012

I see a lot of video flashing Kernel using CWM on Youtube, only flash Kernel using Flashtool..

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General :: Flash Kernel Without Custom ROM?

May 3, 2013

I would like to flash the Franco kernel do I need a custom ROM to do it?

Galaxy Nexus using Android

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General :: Android Kernel Optimization

May 8, 2013

What sections of kernel code are changed for optimization of performance.

Like we can change
1) the minimum free memory that android need to keep free.
2) Rate of clearing cache
3)Advanced LMK- where we can kill more than one process at at time when memory scarcity occurs.
4) Reducing logging.
5) In framework we can change the oom_adj value of important processes.
6) Implement Zram for kernel.
7) change the minimum and maximum no of process for AMS.

I want to know all the changes that can be made into kernel or framework code to optimize performance. I also want to know how can we implement swapcache for android kernel. What changes do i need to make in the code.

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General :: Use OpenVPN In Android 4.0.3 And Kernel 3.0.8

Feb 13, 2013

i want to use open vpn in android 4.0.3 and kernel 3.0.8 but the prblm is its cannot connect TUN cannot open error comes. need to root tablet but how to root ?

My Model :
Bsnl Penta IS703C
android 4.0.3
kernel 3.0.8 ?

and one thing when we root is the OS also changes if your team can change my os also

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