The kernel is a central component of most computer operating systems. It acts as bridge between applications and the hardware and also manages the systems's resources.

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2
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1answer
550 views

Android early boot console over usb

I'm trying to port newer kernel versions onto my Nexus S device. Most newer kernels panic very early on in the boot process. I would like to debug this. However, since the phone has been provided to ...
1
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1answer
602 views

Is is possible to install a new CM version and a custom kernel in one go?

Currently my workflow to update to a new CM nightly and reinstall my custom kernel is this: Install the CM update using the CM updater Boot into recovery manually and install the zip file containing ...
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1answer
4k views

Which Android runs which Linux kernel?

Is there a list of which kernel version comes in each Android AOSP version? Or lets say, which version /proc/version would spit out.
0
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0answers
346 views

Cherry Mobile Razor - Changing the screen refresh rate

I have a Cherry Mobile Razor which I bought here in the Philippines. Specs are as follows: Mediatek MT6589 Quad-core Cortex A7 Processor PowerVR SGX 544MP 1GB LPDDR2 540x960 qHD IPS LCD Screen 4GB ...
2
votes
3answers
16k views

Where can I find the stock kernel for my Samsung Galaxy S2?

I have a Samsung Galaxy S2 phone (GT-I9100). I installed clockworkmod, a custom kernel and rom (Resurrection Remix) earlier this year. One day I couldn't boot it anymore. I restored a backup of the ...
0
votes
1answer
1k views

Samsung Note 10.1 USB Ethernet

I'm trying to get USB Ethernet support on my tablet, which for some reason is apparently disabled even though 4.1.2 directly supports it. (My Note II can use it...) I've come to the conclusion that ...
2
votes
1answer
365 views

Does Android 2 support swap space?

With Android 2.3 being Linux-based, can Android 2.3 use a swap partition without being rooted?
5
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2answers
2k views

What is the difference between the Linux Kernel and the Android Kernel?

What are the modifications done in linux kernel to make it an android kernel ? By this question I mean what are the differences between linux kernel and android kernel ?
4
votes
1answer
9k views

How can I update the Linux kernel of my Android device?

I am using Sony Xperia E Dual with the kernel that identifies as 3.0.8-perf administrator@ubuntu-scm01 #1 and now I want to update it to the latest and the best one. Please help me understand it can ...
2
votes
1answer
2k views

Why is EXT3 not supported on Android?

Android uses the Linux kernel instead of some "Android kernel", so why is ext3 not supported on Android 2.3?
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0answers
84 views

Sound on Power-On

I want a sound to be played when the user presses the power button, Since I am customizing Android for Visually Challenged people this feature might let them know if the tablet has actually powered on ...
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0answers
436 views

Updating Siyah Kernel to 1.9.1 on Galxy SIII i9300 ends in black screen after Siyah logo

I currently run Siyah 1.8.9 Kernel with CM 10.1 nightly (20130218), and I've tried to flash Siyah 1.9.1 with both Odin (PC) and through CM recovery. Both ways end up with a black screen after the ...
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0answers
302 views

How to find PHYS_OFFSET value for mkbootimg

As i was following instructions here. I found a problem that my /proc/config.gz does not contain CONFIG_PHYS_OFFSET setting. But my /proc/iomem contains 40000000-5bffffff : System RAM. What value i ...
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votes
1answer
535 views

What is the method to debug Android kernel from booting in tablet?

I have to test a custom Android build on a tablet and I need to know the method to debug the Android kernel from booting in the tablet? The tablet has only a screen, 2 USB ports and an HDMI port.
-1
votes
1answer
240 views

get wireless tools in Android devices?

i see this link about enable wireless tools on android. but i can't understand the way he follow to enable tools on what terminal or adb shells for the device or on linux platform !! also from ...
0
votes
1answer
68 views

LorDModUE - How to configure

I have installed Lordmodue* to under volt my android device by downloading the .zip, booting into recovery mode, browsing the sdcard and selecting the .zip file. The install was successful and under ...
0
votes
1answer
423 views

Which custom or official kernel should I use on SGS2?

I'm using SGS2 with latest stock ICS ROM, but it has few bugs which I really hate, so I want to look at custom kernels which could help me in this. The main headache for me at the moment is I ...
-1
votes
1answer
217 views

Samsung S2 kernel change

On my Samsung Galaxy S2, I have Android 4.0.4 running with Kernel 3.0.15-1114882. I need to change to kernel 3.015-1157945 or 3.015-1056084 . Is this possible? If yes How?
4
votes
2answers
404 views

Why are some files under /proc are universally readable?

Why are some files under /proc are universally readable by anyone using adb? e.g. /proc/<pid>/statm /proc/<pid>/maps /proc/<pid>/smaps We can even cat the content of these files, ...
2
votes
2answers
260 views

My phone reboots after a kernel oops, what can I do?

I use the CyanogenMod firmware on my phone (CM7.2 on a HTC Wildfire) and when I take photos it sometimes reboots. I found out that a kernel oops happens due to a null pointer dereference in the ...
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vote
0answers
256 views

Where to find the Kernel Source code for my Samsung Epic 4g device? [closed]

I'm trying to recompile a module for my Android device (I'm pretty new to both kernel level stuff and android stuff) I have an Epic 4G CM9 with a Kernel 2.6.35.7-g502e35e, pinky-ghost@cyyanogenmod#1 ...
2
votes
0answers
2k views

How to change the display refresh rate of an android device

I am creating a custom ROM for my android device (MT6577 + ICS 4.0.4).The base ROM I'm using is the stock ROM of the device. My device's display refresh rate is pre-configured at 30Hz. Now, I want to ...
0
votes
1answer
1k views

How to get setting information before booting Android devices like in BIOS?

Is there any method by which we could get the system information before booting android OS. Like wise in PC/laptop, we can get into BIOS setting before booting and get the system information. Do ...
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vote
0answers
180 views

Upgrading Kernel

I am somehow confused about the kernel and how it plays out. I have a couple of questions: Let's assume my device kernel reports its kernel as 3.0.8 (using uname -r). How can I figure out what ...
3
votes
1answer
2k views

My Huawei u8160(Vodafone 858) supports usb-host although not working?

I have a Huawei u8160 running Psyke83's Cyanogenmod 7.2 14/8/2012 which had a package with it to apply usb-host mode kernel called usbhost1-cm-7-20120814-MADTEAM-u8160.zip. So I flashed the zip using ...
5
votes
2answers
4k views

Custom Kernels on Stock ROMs?

The General Question: Is it possible to install custom kernels on a Rooted Stock ROM? The Example: I have a Nexus 7 which I have rooted running 4.1.1 (Jelly Bean JRO03D) would it be possible to just ...
7
votes
2answers
745 views

Faster CPU means higher battery consumption?

A friend of mine and I have the Samsung Galaxy Tab 10.1. His tab is flashed with a custom kernel giving 1.2Ghz instead of the 1Ghz I have by default. Using antutu benchmark, we saw what we expected, ...
7
votes
1answer
5k views

l2_hsic prevents my device from Deep Sleep. How to fix it?

I have installed BetterBatteryStats and CPU SPY, because I noticed that I had a faster than normal battery consumption when the tab was left alone. I made a 30 mins test Wifi OFF, Flight Mode On, ...
3
votes
3answers
7k views

Get root or re-install the OS without a USB cable?

Usually, the guides for getting root or re-installing the OS on an Android device (I have a Samsung Galaxy S, which I'm mostly inetersted about) tell to flash the device from another computer through ...
8
votes
5answers
7k views

Why are there so many different Android kernels (technical answer please)

Isn't Android a common kernel that is used across all devices? For example CentOS will install on Dell, HP, and a variety of other hardware. Sure there are different modules but it's still CentOS ...
1
vote
1answer
647 views

Is the kernel flashed automatically from CWM?

By this, I mean, while flashing a firmware (update.zip) from ClockworkMod recovery, is boot.img also flashed or do I need to use fastboot separately?
3
votes
2answers
7k views

Extract boot.img

I have pulled boot.img from my phone's CWM backup. How do I extract it? I tried split_bootimg.pl. But throws an error - Android Magic not found in boot.img. Giving up.
3
votes
4answers
19k views

How to find out if my Device's Kernel has Loop Device Support

I would assume most all of you know why I am asking this, but for those who don't, Loop Device Support of a Kernel on an Android device is utilized to mount a Linux Distro IMG file (Ubuntu or Debian, ...
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0answers
52 views

What are the technical differences between bootloader, recovery, kernel and ROM? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.? I'd love a reference (or an explanation if anyone has the time) on what characterizes these different ...
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vote
1answer
1k views

Flashing an official Samsung galaxy tab kernel

I have a Galaxy Tab 10.1 (GT-P7510) with Android 3.2 and kernel 2.6.36.3 installed. I'm building a customized kernel using Samsung's official kernel source code for research purposes. I do not need to ...
3
votes
0answers
893 views

Can someone recommend a ROM and kernel for the Galaxy S2 that works fully? [closed]

I have installed a kernel and ROM onto my Samsung Galaxy S2. However, it's been giving me a lot of problems. First the Compass didn't work, then when the compass was fixed by installing a patch the ...
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vote
1answer
900 views

rmt_storage keeps polling and spam logcat

In logcat I can see rmt_storage keeps doing something every 2/3 seconds I/rmt_storage(15279): rmt_storage open success I/rmt_storage(15279): rmt_storage shared memory ioctl success ...
4
votes
2answers
3k views

Where can I get the stock Android Kernel configuration for Galaxy S3 running ICS?

Question: We are trying to find the kernel configuration on a currently running Samsung Galaxy S2, with Android 4.0.3 (Ice-Cream Sandwich). We do not wish to root the phone. We checked /proc/config.gz ...
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vote
0answers
576 views

Boot custom kernel via phone

I can currently boot a custom kernel (without flashing it) for test purposes by using fastboot on my computer via: cmd> fastboot boot customkernel.img Which works great. I've found great kernels ...
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vote
0answers
256 views

Cannot turn on LG GT540 due to kernel panic

I cannot turn on my LG GT540. When I try to turn it on it displays a message which says: Linux Kernel Panic Process swapper (pid : 1 ) What does this mean? How can I fix it?
2
votes
1answer
468 views

Samsung Galaxy S2 bricked?

I own a galaxy sII. 3 weeks back, I downloaded and flashed the MIUI ICS rom on my phone. A week later I tried to update the ROM through ROM Manager. Everything went fine except when after flashing the ...
3
votes
1answer
2k views

Android USB Gadget Driver

I am trying to get Ethernet over USB working for my Nexus S. I am running Ice Cream Sandwich v4.0.3 and have rebuilt the kernel with USB Gadget support turned on. When I connect the phone to my ...
3
votes
1answer
182 views

Can you install custom kernels on DroidX running CyanogenMod?

Can you install custom kernels on DroidX running CyanogenMod? Or does the locked bootloader prevent that?
5
votes
1answer
239 views

Which kernel versions does the udev exploit work?

Which kernel versions does the udev exploit work? Upon googling this, I found articles claiming that it works on Android 2.1 and maybe 2.2, but there is no information about the kernel versions.
3
votes
2answers
254 views

What parts of the regular Linux graphics driver architecture is used in Android?

For example, could the Nouveau driver be used and provide hardware accelerated drawing when Android is compiled for x86?
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vote
1answer
486 views

Android 2.2 Galaxy S SGH-T959 kernel update with netfilter

I can't seem to find a kernel update for this phone that would include netfilter. Does anyone know a different way to install netfilter on this phone?
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vote
2answers
401 views

Kernel HTC Hero

I have an HTC Hero GSM with CyanogenMod 7.1.0 (stable). Before i had elelinux mod (http://forum.xda-developers.com/showthread.php?p=10956118) This thing is, after installing CyanogenMod i still have ...
2
votes
1answer
273 views

Create Defy Kernel Backup

I own a Motorola Defy and it is running 2.2.2. I was wondering if i could create a backup of my kernel by any means! Is there any software/application/method which can help me achieve this? Thanks
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votes
2answers
1k views

Install zImage on Android 2.2 devcie

How do I install zImage on Android 2.2 device? I have one galaxy tab 7.0 and one NVIDIA Tegra 250 delvel kit. I was trying to using fastboot on NVIDIA Tegra 250 but I failed. I could load zImage ...
6
votes
1answer
19k views

How to install kernel module for android?

I currently have a custom kernel and ROM installed on my android device. The kernel I'm using comes with a separate download with kernel modules that you are to install yourself if you want. However ...