启动分区问题

[550399056]

1. uefi 有AB两个分区镜像。 内核也是有两个分区镜像， 设备树 也是。

我怎么确认我启动的是哪个分区， 每个镜像使用的是哪个分区？

[JerryChang]

hello 550399056,

please refer to developer guide for Rootfs Selection.
you may also note that, the Bootloader slot and rootfs slot are configured together.
for instance, Bootloader A always boots with rootfs A, and Bootloader B always boots with rootfs B.

here’s nvbootctrl utility to dump the slot information. i.e. nvbootctrl dump-slots-info
please see-also To show the current boot slot for the details.

[550399056]

iking@iking:/root$ sudo nvbootctrl is-rootfs-ab-enabled
is-rootfs-ab-enabled is not implemented.

这是什么意思？ 没有实现？

[JerryChang]

hello 550399056,

RootfsA/B is default disabled, you must re-flash target to enable RootfsA/B.
please see-also Flashing the Target Board with a Redundant Root File Systems.

BTW,
may I also know which Jetpack release version you’re working with,
please check release tag, $ cat /etc/nv_tegra_release for verification.

[550399056]

iking@iking:/root$ cat /etc/nv_tegra_release

R35 (release), REVISION: 6.0, GCID: 37391689, BOARD: t186ref, EABI: aarch64, DATE: Wed Aug 28 09:12:27 UTC 2024

[JerryChang]

please re-flash target to enable RootfsA/B.