General :: Porting A Kernel That Hangs At Boot

Feb 1, 2014

I am trying to port a kernel from one zte 8960 to another. I have cwm recover set up with kexec to get a log of what is going on. the kernel hangs at boot of the phone so I trying to find the cause

-last_kmsg after a failed boot of 3.4

pastebin.com/0AGpACsT

-last_kmsg after a boot of 3.0.8

pastebin.com/N3WtDHwC

-split-boot of boot.img

Code:
output directory: fi
boot_magic correct: ANDROID!
kernel size: 6045264
kernel address: 2149613568
Base: 2149580800 (hex): 0x80200000
[code]....

I am thinking it might had hit "un-allocated" memory area, I did have to change the ramdisk_offset from 0x01300000 to 0x02000000 make the kernel fit. what could I do to check to see if it is un-allocated space I am dealing with

General :: Porting a kernel that hangs at boot


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General :: How To Interrupt Android Boot Sequence To Force It Boot To Linux Kernel Only

Sep 12, 2013

I am trying to do some low level performance testing related to device processor cores through adb which I feel it is affected by Android background services and system stuff.

As I know that the Android boot sequence stages are as follow:

1.Execute Boot ROM code.
2.Execute the boot loader.
3.Load the Linux kernel.
4.Launch Zygote, which initializes the Dalvik VM.
5.System server which loads the Android system.

So my question is how can I interrupt this sequence to force it stop on stage 3 to load Linux kernel. This can implement my intermediary performance testings before loading again Android system.

Does Fastboot or Clockworkmod recovery can load my device to a kind of Linux kernel?

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General :: Galaxy 7.0 Plus (GT-P6210) Will Not Boot - Hangs At Samsung Banner

Mar 28, 2013

Samsung Galaxy 7.0 plus (gt-p6210) will not boot. It hangs at the Samsung banner. The banner is still glowing but it goes nowhere.

I have tried everything.

a. Delete cache (dalvik and otherwise)
b. System wipe.
c. Removed add on sim and repeated above.

I have a rooted ICS (original install via Kies).

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Mar 1, 2013

I tried to port my Micromax A57 [Base] with Karrban A5 [used for port]. When I installing everything works great but, it stuck at boot. How do i check where is the fault or is there anything to do ?

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How to modify boot kernel ?

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General :: Why Won't Allwinner A10 Kernel Boot

Jun 26, 2013

I am trying to use my cheap virtually unbrickable tablet to learn more about kernel development and eventually ROM building.

I have extracted the manufacturers (WoPad) LiveSuit image and used split_bootimg.pl to break up the boot image.

I extracted the config file from the kernel image using extract-ikconfig and it created a config file. I didn't see the config in /proc.

So, I have the factory ramdisk and the factory kernel config.

I have downloaded several kernel sources (lichee-3.0.8, ChritianTroy's 3.0.36, and another one from linux-sunxi 3.0.72). I can successfully compile all of them without errors and they all generate zImages, uImages, etc using the factory config as well as the sun4i_crane configs they come with.

When I repack the boot.img with the newly created kernel and install it on nandc it wont' boot past the android icon (u-boot). When I compare my boot.img to the factory one, they both have the same offset where the kernel starts (0x00000800). I have also ensured I'm replacing the kernel modules when I'm changing kernel versions.

Here is the line I'm using to repack the boot.img

Code:
mkbootimg --base 0x40000000 --pagesize 2048 --kernel zImage --ramdisk ramdisk-repack.cpio.gz --board sun4i --cmdline "console=ttyS0,115200 rw init=/init loglevel=8" -o boot.img

[Code]...

Also, I'm building on Ubuntu 13.04 with Google GCC 4.6 from the ndk. I have built kernels for other devices without issues.

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Aug 29, 2013

How to change the kernel boot logo on my samsung kernel? I don't mean the boot animation. I may have built a ROM but the kernel used there doesn't belong to me.

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General :: Xperia Arc S Won't Boot Up After Installing Kernel

Dec 1, 2013

my device : xperia arc s

im new in android and a couple hours ago i try to instal beanstalk - legacy kitkat 4.4 and they suggest to download kernel from dark raven "dark kernel cm11.0" 11DarkUrushi20131130 after that im flash the kernel and something happen....

my phone dont boot up and the logo dont appear

im try to connect to flash tool but still dont get it...

nb : for guarantee already pass 3 month ago....

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HTC Desire :: Clockwork Restore Hangs At Boot

Oct 24, 2010

Android Version: 2.2 [Optional]Are You rooted & which Rom: Rooted and flashed to "[ROM] Official 2.2 (HTC 2.09 and 2.10): busybox, A2SD+, TUN, EXT4, Undervolt, SYSRW"

Issue: I've flashed to another ROM and now want to restore my back-up that I made via Clockworkmod. The restore seems to do fine, but when I reboot my phone hangs at the boot screen.

In the meanwhile I have flashed the recovery from clockwork to AmonRa. To restore the clockwork back-up, I boot into clockwork recovery via ROM Manager. Maybe I should reflash to clockwork, but that didn't work till now.

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General :: Any Way To Change Kernel Boot Logo / Animation?

Jan 25, 2014

Is there any way to change my kernel's boot logo / animation ?

E10i

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I wanted to change the boot logo for i9300. Im well aware that you have to incorporate it in the kernel. I installed Ubuntu, the necessary libraries and brought the cyanogenmod source code. Only part is I dont have the necessary experience to tweak it using the NDK tools

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General :: Build Kernel MT6577 - Can't Boot After Build

Feb 21, 2013

I have a phone with a MT6577. The vendor (Wiko) published the kernel source code. So, i'm trying to build it. I can get the zImage. I converted it to boot.img but i can't boot with it on my phone.build a good zImage? (if you want to try) : URL...

cp mediatek-configs .config
TARGET_PRODUCT=s9081 MTK_ROOT_CUSTOM=../mediatek/custom make
# sudo mtk-tools/repack-MT65xx.pl -boot zImage boot.img-ramdisk boot.img
MTK-Tools by Bruno MartinsMT65xx repack script (last update: 27-01-2013)
Repacking boot image...
Ramdisk size: 2046 blocs
Repacked boot image into 'boot.img'.

Here are the Warnings I got when compiling

mediatek/platform/mt6577/kernel/drivers/video/tvc_drv.c:61:5: warning: "FIXED_WVGA_PARAMS" is not defined
net/ipv4/tcp.c: In function 'tcp_nuke_addr':
include/net/ipv6.h:338: warning: 'in6' may be used uninitialized in this function
net/ipv4/tcp.c:3367: note: 'in6' was declared here
In file included from net/ipv4/netfilter/ipt_LOG.c:27:
include/net/netfilter/xt_log.h: In function 'sb_close':
[code]....

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[URL]

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