Disk encryption with preempt RT

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
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Hi, we are trying to encrypt rootfs on a system that has the rt-patch applied. We have been using r35.4.1 on the Agx Orin dev-kit and our current pipeline is to

  1. build the kernel and apply the patch according to Kernel Customization — Jetson Linux Developer Guide documentation.
  2. follow the instructions in Disk Encryption — Jetson Linux<br/>Developer Guide 34.1 documentation to encrypt rootfs + flash to mmcblk0p1.

If we follow this pipeline without applying rt-patch, the Orin boots fine and lsblk shows that the rootfs is encrypted. However, following the same pipeline with rt-patch applied causes the Orin to fail to boot. Can we get a confirmation as to whether disk encryption works with preempt-RT?

Here’s the boot logs from the debug port if it’s any help:
debuglogs.txt (54.5 KB)

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Hi,
Disk encryption is not supported with RT kernel. Please enable it with default kernel build.

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