Dear developers. Thank you in advances for reading my question. I have trouble when I build my own android image with own kernel for academic research.
When I just downloaded the android 4.0.3 source code and built android image(boot.img, system.img, userdata.img etc) for Galaxy Nexus (maguro) as follows: As a result, it works well on target device since I used pre-built kernel image that is located in '/devices/samsung/tuna/kernel' =================================================================== repo init -u https://android.googlesource.com/platform/manifest -b android-4.0.3_r1 repo sync # run extract-imgtec-maguro.sh & extract-samsung-maguro.sh in android root source directory . build/envsetup.sh make clobber lunch full_maguro-eng make CC=gcc-4.4 CXX=g++-4.4 -j4 # for ubuntu 11.10 # flash android images to the devices & it works well ======================================================================== My problem is that: In order to use my own kernel image instead of pre-built kernel image, I downloaded omap kernel and built kernel image as follows. ======================================================================== git clone https://android.googlesource.com/kernel/omap cd omap git checkout origin/android-omap-tuna-3.0-mr0 # install proprietary binaries # run extract-imgtec-maguro.sh & extract-samsung-maguro.sh # from http://code.google.com/intl/ko-KR/android/nexus/drivers.html#maguroiml74k export ARCH=arm export SUBARCH=arm export CROSS_COMPILE=arm-eabi- make tuna_defconfig make -j8 ======================================================================== After copying 'arch/arm/boot/zImage' to '<myandroid>/device/samsung/tuna/kernel' and I delete the 'boot.img' and 'kernel' files in 'out/target/product/maguro' since reuse object files that is compiled ahead of time to reduce full build time. After building boot.img and flashing it to the target, the device doesn't boot. I checked the '/proc/kmsg' then something wrong occurs like that: ========================================================================= <3>[ 292.940032] drivers/misc/inv_mpu/mldl_cfg.c| inv_mpu_get_slave_config|1792 returning 4 <6>[ 294.745819] PVR_K:(Error): BridgedDispatchKM: Initialisation failed. Driver unusable. [4811, drivers/gpu/pvr/bridged_pvr_bridge.c] <3>[ 294.762664] init: untracked pid 1738 exited <3>[ 294.762817] init: untracked pid 1742 exited ========================================================================= I also tested other kernel version (android-omap-tuna-3.0-mr0.1, ndroid-omap-tuna-3.0-mr0), but the same problems occur. I also tested master of android branch and the same problems occur. I don't know what is the main reason of failure. Please let me know the reason and the possible solution for this problem. Thank you in advances. Derick SJ Woo. -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
