Ok, it should be clearer if I'll describe the program purpose. It will be server witch receives QML code, convert a visual result to image with QQuickWindow::grabWindow() and return it to caller. Some kind of remote execution. So all I need is VDS witch have ability to execute Qt program (not console). The only way I know to run it is Xorg server. May be framebuffer, but if I run the program with -target linuxfb I get same error.
So VNC is only tool to see that Qt program runs in the server. Sure, I can connect with SSH and start the program from the Bash bet that gives me same errors as when I run it in BlackBox. I'll try to connect to X session on remote server with SSH and port forwarding but I still think the problem in X server itself. It looks like it misses something important. 09.01.2015 22:49, René J.V. Bertin ???????: > On Friday January 09 2015 22:12:22 ruslan wrote: >> In my case I installed VNC server just for control purposes. In >> standalone mode the Qt program should work on remote server without VNC, >> just with Xorg server. >> >> I have same OS (Debian 7) om my works machine with same Xorg server and >> same Qt version. And there everything works well of course. So I can't >> understand what I miss on my VPS in comparisson with my works machine. >> Ok, I use there KDE as WM and on VPS it's Blackbox. > The WM is not the culprit: it's trying to do its job. If I understand > correctly what you're saying your problem really lies with the use of VNC; > either the server or the client don't support the sort of displaying > technology your programme is trying to use. > Why not login to your VM over ssh, and try a remote X11 connection by setting > the DISPLAY variable to the one you're using on your work machine? Launching > the troublesome Qt application from a terminal like that might give you some > more insight in what's happening - or if things work then you know that the > VNC software is indeed the culprit. > > Cheers, > R. > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest -- ------------------------------- /Best regards, Ruslan/
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