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Release Notes

Debian mx91-debian-bookworm-6.6.y_24.12-v1.1

Release Notes

Based on release Debian: Bookworm 12.5, Linux Kernel: NXP lf-6.6.y
Release git https://github.com/varigit/flexbuild
Release branch LSDK-24.12_DEBIAN-12_LF-6.6.36_var01
Release tag mx91-debian-bookworm-6.6.y_24.12-v1.1
Date 04/03/2026
Supported platforms VAR-SOM-MX91 / DART-MX91
SOM revision v1.0 and higher
Embedded Linux Distribution Debian Bookworm
Recovery SD card link mx91-debian-bookworm-6.6.y_24.12-v1.1.img.zst
Recovery SD card SHA256 ccc529b3441d529fad5c3fee1fb483103b3d9a930b42e905e7757c8b679dc389

Relevant git Repositories

Source Repository Branch Commit ID
U-Boot https://github.com/varigit/uboot-imx lf_v2024.04_6.6.52-2.2.2_var01 6b5add8863df1ba5273daf388dc874f1083fb2e5
Kernel https://github.com/varigit/linux-imx 6.6-2.2.x-imx_var01 ac11a677c871e4a51126edb2c245a296158c7913
meta-variscite-bsp-imx https://github.com/varigit/meta-variscite-bsp-imx scarthgap_6.6.52-2.2.2_var01 6d647083760105617381ede3ff264e2da878679d
meta-variscite-bsp-common https://github.com/varigit/meta-variscite-bsp-common scarthgap_6.6.52-2.2.2_var01 1f8c1035f2453efab73396ebb671f39b4c6cd59a
meta-variscite-sdk-imx https://github.com/varigit/meta-variscite-sdk-imx scarthgap_6.6.52-2.2.2_var01 037a5ce07d271ddb7d6f8389778816ef4e877c32
meta-variscite-sdk-common https://github.com/varigit/meta-variscite-sdk-common scarthgap_6.6.52-2.2.2_var01 a8a35c2e8767ffcf14ec9a6cf9b9c8c15ff71241

After downloading the image, visit our Recovery SD card guide to learn how to program a recovery SD card.

Change Log

Change List Description
Release 1.1
Major Updates
Linux Kernel Update Updated the Linux kernel from 6.6.52 to 6.6.119, based on the 6.6-2.2.x-imx branch from linux-fslc, incorporating updates from the Linux 6.6 stable series.
Carrier board Added support for VAR-SOM-MX91 on Symphony-Board v.2.x
U-Boot Updates Click here for a full detailed change list
Kernel Updates Click here for a full detailed change list
meta-variscite-bsp-common Updates Click here for a full detailed change list
meta-variscite-bsp-imx Updates Click here for a full detailed change list
meta-variscite-sdk-common Updates Click here for a full detailed change list
Release 1.0
Initial Debian Bookworm 6.6.52_24.12 release Based on NXP Flexbuild LSDK 24.12 and NXP Linux kernel lf-6.6.y
Known Issues
The following Variscite BSP feature are not supported yet:

- DART-MX91 WBE device tree

Several features are not yet supported by the NXP BSP:

- CPU frequency scaling
- Encrypted FS