Core component of Android OS that bridges between applications and the actual data processing done at the hardware level. It is based on the Linux kernel.
Questions tagged [android-kernel]
218 questions
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Unknown symbol "net_log" (err 0)
I tried to compile rtl8188eus driver from aircrack's repo and while compiling I got 1 warning. Here is the full output(output was big): https://pastebin.com/Bh0ZL4Mc
Even if I got this warning, I still got 8188eu.ko and when I tried to load it to my…
Running Child
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0 answers
Device showing 32-bit kernel instead of 64-kernel in boot.img
As the title said every device info or hardware info app I download from play store shows my device is 32-bit or the kernel is 32 bit but I extracted my kernel from the stock boot.img file and ran the command; file kernel and it…
Kelexine
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Accessing Android Kernel methods from an app on Android smartphone
I have a USB that gives access GPIO pins. In my understanding the pins can be controlled with android kernel method static int SetGpo(struct usbnet * dev, u32 Gpo, u32 State); (Github). I'm wondering how could I access this method from an app and…
Jonah Firehill
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What does /sys/devices/system/cpu/cpu0/of_node/efficiency file contains
What does /sys/devices/system/cpu/cpu0/of_node/efficiency file contains and how to parse the contents in human readable form.
Taken the hex dump and got
xxd /sys/devices/system/cpu/cpu0/of_node/efficiency …
Shubham Chakraborty
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- 2
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2 answers
How to Integrate custom android kernel for Pixel 6a (Bluejay) of AOSP 12 version
My AOSP building steps are as follows
mkdir AOSP_ROOT && cd AOSP_ROOT
repo init -u ``https://android.googlesource.com/platform/manifest`` -b android-12.1.0_r12
repo sync
download google_devices-bluejay-sd2a.220601.001.a1-0145bbe6.tgz copy it to…
Ilaveni Ranjith
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drm_msm kernel compile failed,mutiple definition
after enable DRM_MSM kernel config, it show error when build kernel,
techpack/display/msm/sde_io_util.c:418: multiple definition of \`msm_dss_clk_set_rate'
drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.o:drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c:60:…
suisuy
- 1
0
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1 answer
Android kernel modules build failed
i want to build pixel3 blueline android10 kernel module.
my example test.c:
#include"linux/module.h"
#include"linux/kernel.h"
int init_module(void)
{
printk(KERN_INFO "Hello android kernel...\n");
return 0;
}
void…
jack yu
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- 1
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0 answers
Error running cuttlefish on Ubuntu 18.04: failed to set tss addr
I am running into issues running cuttlefish on a physical host running Ubuntu 18.04.
This is the error I am seeing when I run launch_cvd:
[ERROR:external/crosvm/src/main.rs:2003] crosvm has exited with error: The architecture failed to build the vm:…
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1 answer
How can I build the Android kernel for pixel 4
I try to build the Android kernel for pixel 4 .
export ARCH=arm64
export CROSS_COMPILE=/home/xxx/AOSP/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android-
make floral_defconfig (not sure)
make
I failed with an…
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0 answers
How to solve the error when building the android kernel?
make -j5
drivers/gpu/mali400/Kconfig:12:error: recursive dependency detected!
drivers/gpu/mali400/Kconfig:12: choice contains symbol MALI400
drivers/gpu/mali400/r4p0/Kconfig:1: symbol MALI400 depends on
How can I solve this…
z00mer
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0 answers
OMXNodeInstance getParameter(0xXXXXXXX:Exynos.avc.dec, ??(0xXXXXXXXX)) ERROR: UnsupportedIndex(0xXXXXXXXX) when playing videos
Good day devs,
While working on our Android custom kernel, we have met a problem that is when a video is being played, an error under this form appears in logs:
getParameter(0xXXXXXXX:Exynos.avc.dec, ??(0xXXXXXXXX)) ERROR:…
MAMO GRAG
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0
votes
0 answers
Loading kernel module on samsung s9 device
I trying to load simple kernel module like "hello world" program without success.
The file helloworld.c looks like:
#include /* Needed by all modules */
#include /* Needed for KERN_INFO */
int…
sivandahan
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- 5
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votes
1 answer
Android device vendor flashing 32-bit kernels on 64-bit SOCs?
I'm trying to recompile the kernel for an Android device. The device is Xioami Redmi 7A. It has a 64-bit processor Qualcomm Snapdragon 439. I compiled the kernel without errors, got the Image file under arch/arm64/boot/, so far so good.
I've tried…
winwin
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0
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1 answer
Android adb command to get device driver in device?
In android device, I am searching command or way to check all kernel modules/drivers in current device.
so, can we get all kernel module list from command line ?
Command to list all kernel module/driver for static + run time modules.
like lsmod
R_K
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0
votes
1 answer
Unable to compile kernel module: no .ko file output
I've built an android kernel (source code), now I'm trying to cross-compile a kernel module for it, v4l2loopback to be precise. I've used this toolchain to build the kernel (kernel version is 4.9).
Here on github you can see that someone actually…
winwin
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