On 6 Dec 2023, at 21:47, mattwood2000 via lists.yoctoproject.org <mattwood2000=gmail....@lists.yoctoproject.org> wrote: > > Hi, > > I'm trying to create a custom initramfs to handle some things before > switching root to my actual filesystem. I followed the docs and have been > able to use INITRAMFS_IMAGE = "custom-image" and INITRAMFS_IMAGE_BUNDLE = "1" > to generate a zImage for my ARM platform. > > The custom-image.bb recipe is based on the core-image-minimal-initramfs > recipe and is in a meta-layer that has another image recipe for the actual > eMMC filesystem image. Both the eMMC image and initramfs bundle are created. > > In custom-image.bb, PACKAGE_INSTALL includes INITRAMFS_SCRIPTS which seem to > be geared towards live-image things but that's not what I want. > > The image boots but hangs waiting for removable media. I figured out that > /init is not pointing to systemd but the live-image script from > recipes-core/initrdscripts.
The problem is most likely that your kernel is missing eMMC drivers. They’re most likely built as kernel modules, but you didn’t install the modules into the initramfs. One easy fix is to just add kernel-modules to your initramfs. I do have some tweaks to the initramfs images to post, but they’re not quite ready yet. You can see the WIP in poky-contrib:ross/genericarm64. Ross
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