Re: [yocto] User login fails despite successful creation with useradd class on NVIDIA Jetson AGX Orin #nvidia-jetson-agx-orin #yocto

On 7/30/25 9:44 AM, felix.beck via lists.yoctoproject.org wrote:
> Hello Yocto community,
> I'm experiencing a persistent login issue with a custom Yocto image for 
> **NVIDIA Jetson AGX Orin (64GB)** (MACHINE = "p3737-0000-p3701-0005", in 
> meta-tegra/conf/machine). The build, flashing, and booting all work 
> correctly, but I cannot login with the created user account through 
> either the GUI login screen or tty2 console. I can only see a user "jetson".
> **Setup:**
> - Custom distro based on Poky
> - Target: NVIDIA Jetson AGX Orin (64GB)
> - Base image: core-image-base
> - User creation via useradd class following official documentation
> **User creation recipe implementation:**
> ```bash
> inherit useradd
> USERADD_PACKAGES = "${PN}"
> USERADD_PARAM:${PN} = "-u 1200 -d /home/myuser -m -s /bin/bash -p '\$6\ 
> $...(SHA-512 hash)...' myuser"
> GROUPADD_PARAM:${PN} = "-g 999 docker"
> GROUPMEMS_PARAM:${PN} = "-g docker -a myuser"
> pkg_postinst_ontarget:${PN}() {
>      cp ${datadir}/${PN}/myuser-sudoers /etc/sudoers.d/myuser
>      chmod 0440 /etc/sudoers.d/myuser
>      chown root:root /etc/sudoers.d/myuser
>      echo 'root:$6$...(same hash)...' | chpasswd -e
> }
> ```
> **Verification by mounting rootfs.ext4:**
> - User exists in /etc/passwd: `myuser:x:1200:1200::/home/myuser:/bin/bash`
> - Password hash exists in /etc/shadow: `myuser:$6$...:...:...`
> - Home directory /home/myuser exists with correct ownership
> - User is member of docker group in /etc/group
> - local.conf has `EXTRA_IMAGE_FEATURES:remove = "debug-tweaks"`
> **What I've tried:**
> - Both MD5 and SHA-512 password hashes (generated with Python crypt.crypt)
> - Following meta-skeleton/recipes-skeleton/useradd/useradd-example.bb 
> pattern
> - Verified against useradd class documentation
> - Simplified sudoers configuration: `myuser ALL=(ALL) NOPASSWD: ALL`
> The user account appears correctly created in the filesystem, but 
> authentication consistently fails at runtime. Are there additional 
> dependencies or runtime configurations needed for password 
> authentication on NVIDIA Jetson platforms that differ from the standard 
> useradd approach?
> Any insights would be greatly appreciated.

We have something to this in Yoe, which might give some hints for you

https://github.com/YoeDistro/yoe-distro/blob/master/conf/projects/jetson-agx-orin-devkit/config.conf#L91-L101


> Best regards,
> Felix
> 
> 
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