Getting error/warning "Gtk-WARNING **: 18:09:46.325: cannot open display:" while executing "hello-world" sample application with STM32MP157F-DK2. Expected a GTK window is NOT displayed on display screen

[S.Kamath]

Hi, I'm getting error "(gtk_hello_world:1474): Gtk-WARNING **: 18:09:46.325: cannot open display: " while executing "hello-world" sample application with STM32MP157F-DK2. Expected a GTK window is NOT displayed on display screen

I have followed steps as mentioned in Create a simple hello-world application - stm32mpu

I'm using Ubuntu 22.04.2 LTS installed on Windows 11 laptop with Oracle VM VirtualBox Manager 7.0.6

Error/Warning message screenshot attached

[Kevin HUBER · Accepted solution]

Hello @S.Kamath​ ,

Please have a look at this page that explains all the classic problems encountered by the users:

https://wiki.st.com/stm32mpu/wiki/Wayland_Weston_troubleshooting_grid

You can't run "gtk_hello_world" like this, you have to follow what is explained in the Getting started wiki page:

https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP1_boards/STM32MP157x-DK2/Develop_on_Arm%C2%AE_Cortex%C2%AE-A7/Create_a_simple_hello-world_application#Deploy_and_execute

Best Regards,

Kevin

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[S.Kamath]

Thanks Kevin,

I have followed Deploy and execute commands as mentioned in the following YouTube link. I think this video is quite outdated for latest starter Kit package releases.

STM32MP1 workshop - 5 Simple Linux application with Development Package - YouTube

I'm able to make it working by now following above Wiki page...