Orin readonly rootfs

Is there any solution for readonly rootfs on Orin serial product ?

Hi jb035.cheng,

Are you using the devkit or custom board for AGX Orin?
What’s the Jetpack version in use?

Do you want to mount a readonly rootfs on AGX Orin ?
Have you tried to modify the kernel command line in /boot/extlinux/exlinux.conf?

Yes, I use the devkit, L4T is 35.4.1 or 36.3.0.
Customer wants to have power loss protection for rootfs partition,
and give me the reference link.
What should I modify for exlinux.conf ?
Is there an example for this ?

Please try to modify the following line in /etc/fstab.

# <file system> <mount point>             <type>          <options>                               <dump> <pass>
- /dev/root            /                     ext4           defaults                                     0 1
+ /dev/root            /                     ext4           ro,errors=remount-ro                         0 1

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