QVFB Error Lauch Display Embedded QT Virtual Framebuffer

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I am runing ubuntu server 904 on vmware player.
I installed also desktop environment.

I am newbi for Qt. now I am trying to run the sample programs of qt for embedded linux on the virtual frame buffer. like the following:

$ ./analogclock -qws -display QVFB:0

and I get the following responce:

analogclock: cannot connect to X server QVFB:0

I normally run this program on the linux graphical environment but I couldnt make it on the virtual frame buffer.

can any one give me any hint...? if any thing is un clear I am ready to elaborate.

tanks
nex ?(

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can you help me?

[masterbraind]

Sorry, i forget that page. I have never run the qt embeded applications in the ubuntu. y change the compiles in proyects output to complile with the normal QT IDE when i have to make a test in the host computer. The cross compiled application just runs into the embedded linux of the target board.

[Thà nh Viên Mới]

Sorry, i forget that page. I have never run the qt embeded applications in the ubuntu. y change the compiles in proyects output to complile with the normal QT IDE when i have to make a test in the host computer. The cross compiled application just runs into the embedded linux of the target board.

why i dont use Virtual Framebuffer, can you support me use The cross compiled application just runs into the embedded linux of the target board

[Thà nh Viên Mới]

Sorry, i forget that page. I have never run the qt embeded applications in the ubuntu. y change the compiles in proyects output to complile with the normal QT IDE when i have to make a test in the host computer. The cross compiled application just runs into the embedded linux of the target board.

have you use QEmu http://www.aurel32.net/info/debian_arm_qemu.php for test App ?