Hi All,
I am testing the OTA update with rootfs on NVME and rootfs A/B is enabled.
The test process as below.
Flash r32.7.3
sudo ROOTFS_AB=1 ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1 -S 238GiB -c ./tools/kernel_flash/flash_l4t_nvme_rootfs_ab.xml jetson-xavier-nx-devkit-emmc external
Generate OTA package.
export BASE_BSP=/home/frank/Work1/Xavier_NX/ota/L4T_r32-7-3/Linux_for_Tegra
export TARGET_BSP=/home/frank/Work1/Xavier_NX/ota/L4T_r35-2-1/Linux_for_Tegra
cd ${TARGET_BSP}/../
sudo tar xpf ota_tools_R35.2.1_aarch64.tbz2
cd ${TARGET_BSP}
sudo -E ROOTFS_AB=1 ./tools/ota_tools/version_upgrade/l4t_generate_ota_package.sh --external-device nvme0n1 -S 238GiB jetson-xavier-nx-devkit-emmc R32-7
Do OTA on jestson xavier nx with rootfs mounting on NVME
mkdir ~/ota
cp ota_tools_R35.2.1_aarch64.tbz2 ~/ota
sudo mkdir /ota
cp ota_payload_package.tar.gz /ota
cd ~/ota
tar -xvpjf ota_tools_R35.2.1_aarch64.tbz2
cd Linux_for_Tegra/tools/ota_tools/version_upgrade
sudo ./nv_ota_start.sh /ota/ota_payload_package.tar.gz
After OTA was done, the system boot into internal eMMC(mmcblk0) not nvme. And it upgrade both slot A and slot B.
line[192]: # Write APP and APP_b if it exists
...
action=Write_APP item=44, 1:3:APP, 20480, 7516192768, , , fixed-<reserved>-1,
Do write APP action
eval ROOTFS_PARTITION=/dev/mmcblk0p1
...
action=Write_APP_b item=45, 1:3:APP_b, 7516213248, 7516192768, , , fixed-<reserved>-2,
Do write APP_b action
eval ROOTFS_PARTITION=/dev/mmcblk0p2
...
- How to upgrade NVME via OTA? Am I missing any command?
- How to let the OTA tool upgrade only one slot!?
ota_log.txt (335.7 KB)