Release Notes¶

Debian mx8m-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	mx8m-debian-bookworm-6.6.y_24.12-v1.2
Date	08/25/2026
Supported platforms	DART-MX8M
SOM revision	v1.3B and higher
Embedded Linux Distribution	Debian Bookworm
Cortex M4 U-Boot support	MCUXPRESSO_2.15.0_V1.0_DART-MX8M
Cortex M4 Linux remoteproc support	MCUXPRESSO_2.15.0_V1.0_DART-MX8M
Recovery SD card link	mx8m-debian-bookworm-6.6.y_24.12-v1.2.img.zst
Recovery SD card SHA256	4ce405a987e27ea4e8d2b4364905163c5c3cd2cf2f4273f16cee5e940cdf8a31

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	9398848c4c67bbbe76d7cc432469fda6df058d5b
Kernel	https://github.com/varigit/linux-imx	6.6-2.2.x-imx_var01	bda894fb8b26e1a8837cdb81210c39257e0d0765
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-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 6.6.138 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 Update	Fixed the PHY reset sequence in Kernel, based on varigit/uboot-imx commit 9398848c4c67bbbe76d7cc432469fda6df058d5b.
Release 1.1
Major Updates
Linux Kernel Update	Updated the Linux kernel from 6.6.52 to 6.6.138, based on the 6.6-2.2.x-imx branch from linux-fslc, incorporating updates from the Linux 6.6 stable series.
Release 1.0
Major Updates
Initial Debian Bookworm 6.6.52_24.12 release	Based on NXP Flexbuild LSDK 24.12 and NXP Linux kernel lf-6.6.y