First of all, I try the “sudo systemctl suspend” command, but I get Error like this “Failed to suspend system via logind: Sleep verb not supported”
In the datasheet I found that the pin 240 can control the system to sleep and wake up, but I don’t know which pin on the pin240 corresponds to the board.And I guess pin 240 is the J40 pin1 , so I do some experiment, but it just make the system poweroff and on, not the suspend.
I try “systemctl suspend” on the board, which is upgraded the jetpack 4.2.1. the same error “Failed to suspend system via logind: Sleep verb not supported”.
But modify /sys/power/state to “mem”, to sleep，and pull down J40 pin1 to wake it up, sometimes it works, sometimes not, I’m confused.
Will you be able to tell us where the board config file is and how to flash the board, or where we can find instructions to do this?
My JetPack version is R32.1. I can only suspend my Jetson nano by typing
echo freeze > /sys/power/state
How will this differ from using sudo systemctl suspend?
My Jetson Nano will wake up automatically after a few minutes into the “freeze” mode if the internet is connected. If the Jetson Nano is disconnected from the internet, it will happily stay in the “freeze” mode forever. i am wondering if I am not using the proper way to suspend the Nano.
This flashing the board with + ODMDATA=0x94800; method works. The jetson nano can suspend after flashing. However, every time Ubuntu updates itself with a new version of one of the packages nvidia-l4t-*, any changes to the board is erased. And Jetson nano can no longer suspend after the package update.
Is there a way to prevent the nvidia-l4t-* packages from erasing our modification?
Is there any chance that ODMDATA value is different for Nano 2GB? The suggested method does not work on mine. Actually I’m not sure if ODMDATA is changed before flashing. Here is the output of “ls /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data”:
disable-pmic-wdt enable-debug-console enable-utmi1-snps no-battery
disable-uart-over-jack enable-tegra-wdt name normal-build