Hello, I've followed the official build instructions (sorry, I'm not allowed to post any links) to build AOSP Oreo 8.1 for my XA2 Ultra (H2313_userdata/discovery/android-8.1.0_r35 branch). I set up my own Docker container to build the sources, which successfully finished after about 2 hours. After flashing the boot.img, system.img, vendor.img, userdata.img and SW_binaries_for_Xperia_Android_8.1.6.4_r1_v14_nile.img with fastboot (without any errors) I'm not able to boot the phone. I'm stuck at the white screen with the black Sony logo on it. It is also not possible to connect the phone to an adb logcat. I am able to re-enter the fastboot mode and can boot to AOSP recovery, which is quite useless I think. I flashed the images multiple times but that didn't help. The bootloader is unlocked. I could verify that with the service menu (*#*#7378423#*#*) few steps earlier. I also downloaded the Android sources again and successfully built it again. If that's of interest I had problems with the up to date version of the android-tools (fastboot) so I used version 6.0.1_p79 from my Gentoo repositories.
What should be my next steps?
PS: I wasn't able to build android-9.0.0_r1 but the the vendors software binaries for AOSP Pie (Android 9.0) aren't available anyways. Right now I'm trying to build AOSP Oreo 8.04
PPS: Linux is fine. If Windows is needed, that would be rather bad.
EDIT: Whether builds for aosp_h3213-userdebug nor aosp_h3213-eng are able to boot.
What should be my next steps?
PS: I wasn't able to build android-9.0.0_r1 but the the vendors software binaries for AOSP Pie (Android 9.0) aren't available anyways. Right now I'm trying to build AOSP Oreo 8.04
PPS: Linux is fine. If Windows is needed, that would be rather bad.
EDIT: Whether builds for aosp_h3213-userdebug nor aosp_h3213-eng are able to boot.
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