Hi Bruce
1. I follow the step of running oci image in image-oci.bbclass but it has
error in runc.
# tar -xvf container-base-latest-oci-dir.tar
# oci-image-tool create --ref name=latest
container-base-qemux86-64.rootfs-20260302090735.rootfs-oci
container-base-oci-bundle
# runc run -b container-base-oci-bundle ctr-build
ERRO[0000] runc run failed: unable to start container process: error during
container init: open /dev/pts/ptmx: no such file or directory
2. Then I follow the comment in image-oci-umoci.inc using two methods which
can run container successfully
# make a tar version of the image direcotry
# 1) image_name.tar: compatible with oci tar format, blobs and rootfs
# are at the top level. Can load directly from something like podman
# 2)image_name-dir.ta: original format from meta-virt, is just a tar'd
# up oci image directory (compatible with skopeo :dir format)
2.1 Method 1 for image_name.tar
# podman load -i container-base-latest-oci.tar
# podman images | grep localhost/latest
localhost/latest latest 1d603a1041c5 14 years
ago 5.58 MB
# podman run -it 1d603a1041c5
/ # ls
bin boot dev etc home lib media mnt proc root run
sbin sys tmp usr var
2.2 Method 2 for image_name-dir.tar
# tar xvf container-base-latest-oci-dir.tar
# skopeo copy
oci:container-base-qemux86-64.rootfs-20260302090735.rootfs-oci:latest
containers-storage:container-base-qemux86-64:1.0
# podman images | grep container-base-qemux86-64
docker.io/library/container-base-qemux86-64 1.0 1d603a1041c5 14 years
ago 5.58 MB
# podman run --rm -it 1d603a1041c5
/ # ls
bin boot dev etc home lib media mnt proc root run
sbin sys tmp usr var
Based on this phenomenon, I think we can modify the description of
usage of oci image in image-oci.bbclass to use the two methods above.
What do you think about my suggestion？
Liu
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