Simple QT Application don't run on embeeded board ARM

dana_levi

Hi
I wrote this application and compiled it to arm, when I try to run the application on the board
./test –qws, I don’t see any windows created and I get this error message: could not initialize virtual console switching.

The board as only screen connected it no (Keyboard or mouse)
@
class MyWidget : public QWidget
{
public:
MyWidget(QWidget *parent = 0);
};

MyWidget::MyWidget(QWidget *parent)
: QWidget(parent)
{
}

int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWidget widget;
widget.show();
return app.exec();
}
@

[edit: code highlighted / Denis Kormalev]

luca

Witch board are you using?
Do you see something in the monitor before running the application?

dana_levi

Hi
Nvidia arm-tegra board.
The X server is loaded and i see an X11 application running.
I also used xeyes app and it worked.

luca

So I don't know, I only used BeagleBoard without X server.

I think that if an OS use X server, the application doesn't need -qws to start.

Try to stop X server and execute the application as you done:

@
./test –qws
@

Danilo87

I use xM BeagleBoard too, but i have the same problem with the error code: could not initialize virtual console switching!!!!

Have you solved your problem!?!?!

Thanks a lot!

SGaist

IIRC, when you have an X server running, you won't be able to run an application with qws.

Two solutions for you:

Build your application with a Qt that was built to use X11 (or Xorg) and use it like you would on your desktop machine.
Don't start the X server on the target and run with -qws