Questions tagged [kernel]
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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Installing kernel from another device
I installed Samsung Galaxy S9 firmware (Android 8.0) on a Samsung Galaxy Note9 because they have almost the same specifications, but the problem is that some drivers don't work correctly (fingerprint, ...
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Building Android GKI kernel using "make"
I have kernel source for Qualcomm Snapdragon Kalama SOC. I wan't to build it, but i cannot use bazel as i'm building from Termux environment. The kernel is based on GKI. How to build the GKI kernel ...
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Android Virtual A/B OTA - Post Reboot merge failed during update_engine snapshot merge
So we have been trying Android OTA and AFAIK starting with Android 12 (which is what I am using now), android uses concept of virtual A/B where the super partition is dynamically sized during OTA.
And ...
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Boot Pixel 8 with AOSP kernel
I am currently using Google Pixel 8. I am trying to download the AOSP kernel, compile it, and flash it into my device.
I followed the instructions from the document below.
https://source.android.com/...
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Unable to boot android emulator with my custom kernel
I did build a custom kernel like this:
mkdir -p ~/dlink-decompile
cd ./dlink-decompile
git clone https://android.googlesource.com/kernel/common.git
cd common
git checkout android14-6.1-2024-04_r11
...
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How I can disable virt_wifi module and enable the rtl8188eus one?
At my quest using my usb stick I have build and Android kernel with rtl8188eus module fro android running upon x86_64:
mkdir -p /home/pcmagas/dlink-decompile
cd /home/pcmagas/rtlwifiand
git clone ...
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Can a "proper" Linux userspace run on an Android kernel?
I've been reading about the challenges of getting Android phones to boot up using a close to mainline Linux kernel, and it got me thinking, manufacturers have their own kernels with all the correct ...
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How I can point the `rtl8188eus` build towards the cloned android kernel source instead of the system one?
I try to build the https://github.com/aircrack-ng/rtl8188eus driver for android so I can load it into the emulator.
So far I have installed both android sdk, afterwards I have installed ndk
sdkmanager ...
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USB Type-C Port stops working on Google Pixel 6 Pro when flashing Kernel built using official docs
Using the official docs, I built a Kernel for my Pixel 6 Pro codenamed "Raven" or "Raviole".
After flashing the Kernel, the USB Type-C port stopped working. The phone charges fine ...
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Android 14 USB Tethering RNDIS not working
The Killer 1650i Wi-Fi card in my Dell G5 5511 laptop died on me recently and I need to use my smartphone as a Wi-Fi adapter for a substitute without having to order a replacement Wi-Fi card. My phone ...
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How to build and flash Pixel 8 platform and kernel
I am a complete newbie to AOSP and I'm having trouble building and flashing android kernel for Pixel 8.
I've been trying to follow Building Pixel Kernels instructions, but I'm experiencing some issues....
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Is it possible to flash custom kernel from older Android version?
I've recently rooted my POCO F1 and installed a custom ROM on it. I've tried to find a custom kernel for POCO F1 that is specifically for Android 14 and can't seem to find it.
Is it possible for me to ...
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Kernel BUG at drivers/gpu/msm/adreno_dispatch.c
OnePlus 7T smartphone randomly freezes and rebooting.
Bootloader unlocked and rooted. Smartphone runs on Android 11, but the same behavior occurred on a purely installed Android 12. Often the error ...
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How to enable RNDIS host mode in Android
I am building Android 13 AOSP but I need to enable RNDIS host mode from kernel. I am not sure which config flags need to be added to the kernel in order to enable RNDIS host mode. Can anybody help?
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How to obtain the Kernel Module Interface for my Android kernel?
I'm running Android 13 via crDroid 9.8 on my Pixel 7 Pro.
I want to try KernelSU, but in order to download the proper version, I need to know my Android kernel's KMI ("Kernel Module Interface&...
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Where should I put Android kernel modules?
I compiled custom kernel with couple extra drivers and due they had conflicts when I tried to add them as built-in drivers to kernel, I had to compile them as separate modules. I signed the modules, ...
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How to get avc logging ( selinux ) in Android working?
I am on Android 10. Whether I setenforce 0 or 1- I cannot get avc ( aka SeLinux ) errors logged. I checked ramoops files also and its ditto.
root@m20lte:/ # setenforce 1 ...
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Kernel flashing needs data wipe. Why?
Pixel 6a running stock Android 13
There are very few custom kernels available for this device. I found a couple of kernels that I would like to try but here comes the caveat -it needs a factory-reset.
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Audio not transferring from USB in Oppo A53
I have Oppo A53. The 3.5mm jack did not work properly so I bought a USB type C to 3.5mm converter, but this is also not working with my phone which is running on Android 12.
Does anyone know how to ...
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Cannot encrypt Realme 7 Pro running Android 13 (Project Elixir ROM)
I have Realme 7 Pro device with an unlocked bootloader and installed custom ROM:
Project Elixir 3.8
Android 13
Kernel 4.14.212
Selinux Status "Enforcing"
Custom Recovery "OrangeFox R11....
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Adding iptables extensions
After a huge hustle I managed to compile the xt_DSCP.ko kernel module and it can be loaded with no errors.
:/ $ su
:/ # insmod /sdcard/xt_DSCP.ko
:/ #
I also managed to pull iptables external from ...
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Building AOSP kernel with debug filesystem
As mentioned in android documention, Android 12 should not use debug filesystem in user mode.
I want to build AOSP 12.1 for some device, but building in user mode results to error below:
files are ...
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How do I flash a custom kernel on Pixel 7
I built a custom kernel for my Pixel 7, to include the NFS kernel module. I'm struggling to flash this to my phone and get it loading.
After I flash this to my phone, the Google text appears, but not ...
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Can't boot with OSS kernel
When booting with self-compiled kernel, this error appears in console-ramoops:
[ 36.154875] (6)[5679:idmap2]WARNING: CPU: 6 PID: 5679 at fs/buffer.c:1154 __ext4_handle_dirty_super+0x50/0x1a8
[ 36....
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Camera driver in kernel
As far as I know.. 2 programs cannot access to camera hardware at sametime.
but if developer has control in kernel or module or camera hardware(which could be modified by him)
and when developer ...
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How can I enable cpu, memory, and io in cgroupv2 (attempt to run Docker on Android)
I am trying to run Docker on Android, using a Pixel 3a XL rooted, running stock rom but flashed a custom kernel. I need to enable cpu, cpuset, memory, io, and pid controllers in cgroupv2. After ...
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Why is the 'iptables' target 'NFLOG" not sending log messages to the Kernel?
I recently started using an old cell phone, Samsung Galaxy J7 model SM-J700M. I rooted it, flashed LineageOS and installed a SIM card and it works just fine. I decided to work on a script with ...
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If I were to factory reset my device, would my kernel be reverted to my default one? [duplicate]
Would my kernel be reset to its default variant? If not, is the only way to factory reset my kernel to flash the default one?
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error when making a kernel My toolchain always says "no such file or directory" [closed]
So I am trying to make an old kernel on the newest Unbuntu. Set up build essentials libncurses5-dev bzip2 cant get kernel-package says its unavailable? Haven't found an alternate source. Ive gotten ...
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Are android kernel versions are same for identical device models?
I have a question: if I have two Samsung A52 devices are these both got the same kernel versions?
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Create boot.img from compiled kernel
I am trying to install Magisk on a RePhone. The only operating system related download I found (on the company's website or anywhere else) is this: https://myrephone.com/opensource.7z
That seems to be ...
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Does Heimdall have the option to boot without flashing/substituting the kernel? (like fastboot boot boot.img)
Fastboot has the option fastboot boot Image.gz to boot a kernel without flashing it to the phone. Is there something similar for Heimdall? I did not want to mess with my phone's kernel for now. It's a ...
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Which phones today uses Android Common Kernel? [closed]
Android Common Kernel is an effor by google to unificate the kernels of the phones.
What are examples of phones today that uses Android Common Kernels, except Pixel?
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unable to boot new kernel with kexec on android
As an alternative to pstore (pstore/ramoops won't work on Poco M3, rooted), I'm trying to boot another kernel into my already booted android kernel, to maybe see the kernel logs on boot, using ...
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pstore/ramoops won't work on Poco M3, rooted
I'm trying to use pstore logs on my Poco M3. I tried everything. PSTORE configs are activated on the kernel, pstore module is loaded on the phone, phone is rooted, /sys/fs/pstore is mounted ...
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Why is a vendor blob needed to build an Android ROM?
Why do we need a vendor blob in order to make our custom Android ROM from the AOSP project?
As far as I know, the vendor blob contains the required proprietary drivers.
But these drivers we could have ...
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How to enable both "diag" and "rndis" port of Android?
I have One Plus Nord device which is rooted using Magisk. I am able to enable the usb tethering(rndis) and capturing modem logs(diag) separately using the libusb program. But the requirement is to ...
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Fastboot Kernel Install
I want to install Arrow OS with OrangeFox. I understood the installation step, but I want to install the KVM opened kernel. I have it in the form of boot.img file and I install it with the fastboot ...
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Change network interface name in persistent way on Android [duplicate]
Is it possible to change the name of a network interface in an Android 11 rooted system making the change persistent? I am not looking for just renaming the interface after the boot, I want to change ...
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Can't run `fastboot boot kernel` on Poco M3
I'm trying to boot a kernel without flashing it, on my Poco M3. I already unlocked the booloader and I'm on fastboot mode. Some fastboot commands like reboot work, but for fastboot boot, I did
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Is it possible to build a linux kernel/stripped down android version for Samsung Galaxy A5 and Tab 4? [duplicate]
I have been doing a lot of hobbyist electronics recently and was wondering if I can use my old Samsung Galaxy A5 duos phone, samsung galaxy core duos gt-i8262 and/or Samsung Galaxy Tab 4 7.0 3G in ...
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How to load android shared libraries
How does Android load /system/lib/*.so libraries?
How does the system knows what file is for what purpose. Is there a database or list of expected.so files and their functions?
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How do I get the kernel for this phone?
I think companies are legally required to publish the kernel for their phone somewhere.
I bought a phone derived from this one: https://www.paxtechnology.com/android-smart-pos and can't find the ...
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flash boot.img to use the kernel
why to flash a kernel i need a zipper anykernel 3? i can't flash directly the boot.img of a rom, example (PixelExperience) to have oniichan kernel on (LineageOS)? i'm absolutely new in the world of ...
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Does each ROM has its own boot?
At the moment, I have Redmi Note 7 on Pixel Experience. I do not like the kernel it has. As a result, I tried to change it by flashing the boot.img of the stock ROM. Unfortunately, it remains stuck at ...
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Is there a way to stop Android messages from network providers?
I receive ads from my network provider via Android pop-ups:
Is there a way to disable it?
These messages are extremely annoying,
I woke up last night due to the brightness of the screen, as these ...
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Is it possible to run KVM-Accelerated VM on Android Devices?
I am trying to enable KVM on the Android kernel so that I can run KVM accelerated VM on my Android phone. However, after enabling KVM, checking the dmesg, I get this:
[ 1.039716] c3 1 kvm [1]:...
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Native Linux on Android's SOCs
I wanted to know for quite some time why linux operating systems are not ported to phones or tablets SOCs with android? Like how they are on desktops and laptops.
I know linux can run on various ...
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Building Pixel 4a kernel [closed]
I'm trying to build my custom sunfish kernel on pixel 4a,
note that the system is unlocked and rooted via "Magisk",
After building success (for test I didn't change anything on kernel source)...
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Modifications of vendor image on Android 10 - alternative idea
Further to my earlier question here and according to the "Mounting Partitions Early" article,
I'm looking the correct way to implement my new idea:
Skipping the mounting in the startup of ...
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