Release Notes¶

Debian mx91-debian-bookworm-6.6.y_24.12-v1.2

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-v1.2
Date	07/28/2026
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-v1.2.img.zst
Recovery SD card SHA256	5db3f0b2129819049015f9ab96b2556b9e2ec03046e6893f677e1391699c09fa

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	dae62a90ef0e4b606624655ccd0051aa885b0715
Kernel	https://github.com/varigit/linux-imx	6.6-2.2.x-imx_var01	d5ae748b1c9683c61d04dd20deb36787d46dc184
meta-variscite-bsp-imx	https://github.com/varigit/meta-variscite-bsp-imx	scarthgap_6.6.52-2.2.2_var01	fc7c265e0cf02ea5243c4ae355822ca3e3494c4f
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	d5b8caaca1268e832751b1cccb8d033f9322d2a0
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 List	Description
Release 1.2
Major Updates
Linux Kernel Update	Updated the Linux kernel from 6.6.119 to 6.6.144, based on the 6.6-2.2.x-imx branch from linux-fslc, incorporating updates from the Linux 6.6 stable series.
U-Boot Updates	Click here for a full detailed change list
Kernel 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-imx Updates	Click here for a full detailed change list
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