Hi, I have a problem with getting the display working. I followed this tutorial: [image] Getting Started with the Nvidia Jetson Nano using balena This guide walks through using the Nvidia Jetson Nano with a Docker-based OS such as balenaOS, including loading CUDA, OpenCV, and cuDNN lib…

Hi @nima , Just to double check, do you start X before trying to run the cuda examples or xrandr? From the logs you pasted it’s possible that the first step in my colleague’s @alanb example doc might have been skipped. Here’s how the sample works on my B01: root@1939059:/usr/local/cuda-10.0/sampl…

Hi Nima, I tried to replicate the issue but couldn’t. I am assuming that xrandr is not able to find the display. Can you post the output of xrandr -d :0 here, so we can see what xrandr is able to identify.

Hi, “”" root@66bf325:/usr/local/cuda-10.0/samples/bin/aarch64/linux/release# xrandr -d :0 Can’t open display :0 “”"

The carrier board is B01, the new release. “”" uname 4.9.140-l4t-r32.4.2 Linux 66bf325 4.9.140-l4t-r32.4.2 #1 SMP PREEMPT Sat Sep 5 11:17:12 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux “”" “”" No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: …

Hi Nima, Unfortunately that xrandr output doesn’t seem to tell us much. Which version of balenaOS are you using and which version of l4t did you download (looks like 32.4.2 but checking to be sure) There’s also a (soon to be introduced) version of that example repo which does not require manually do…

Sorry for the late reply, the problem still exists. I think it should be a driver or firmware blob issue. Here is the output of dmesg: [ 707.661399] tegradc tegradc.0: nominal-pclk:148500000 parent:148500000 div:1.0 pclk:148500000 147015000~161865000 [ 707.661848] tegradc tegradc.0: hdmi: tmds r…

Hi, Just to confirm, the application is built on the balenaOS Jetson Xavier image, correct? (As opposed to the Nano, etc.) Thanks, John

Hi, I have two boards: Jetson Nano with B01 Dev board Jetson Xavier with its dev board. My Nano is running BalenaOS and My Xavier is running JetPack without any Balena. I have the following display: [image] 12.5 inch FHD Monitor 1920×1080 Full HD Portable Game Video Touch IPS Capacit…

Hi, Thank you for your answer. I completely forgot to ask about and check the X. My bad. I should have checked it first :slight_smile:

Nvidia Jetson Nano Display issue

Product support

nazrhom November 11, 2020, 4:00pm 24

No worries, glad to hear it is all working correctly for you now.

resolution hdmi output

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Nvidia Jetson Nano Display issue

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