What version of Qt ? must be a bug in Qt/DirectFB plugin then On Wed, Feb 8, 2012 at 12:24 PM, Pravinkumar Chavan < [email protected]> wrote:
> > > On 7 February 2012 22:22, Strelchun, Timothy > <[email protected]>wrote: > >> Hi Pravinkumar, >> >> > Actually I am newbies and really not have much >> > knowledge of this thing. Can you please tell me >> > which files I need to check to see above >> > pointers. I will try to apply the solution you >> > told above. Do I need to do something from kernel >> > side or from the application that is running on >> > my device. Because the while my application >> > launches on device this error appears and >> > application hangs at that point. >> >> In my example: >> >> >> >> Normally, I have found that the above message means >> >> an interface reference was not released that was >> >> previously obtained (such as by the call >> >> pLayer->Release(pLayer); ) that should have been >> >> when shutting down prior to shutting down the super >> >> interface ( pDFB->Release(pDFB); ). >> >> The interface pointer variables named pLayer and pDFB >> are examples only of variables you "may" be using in >> "your" application. For example, when you call the >> IDirectFB::GetDisplayLayer function it returns a >> pointer to an IDirectFBDisplayLayer interface for >> which YOU the caller of the function now owns a >> reference to (maybe in a variable named "pLayer"), >> and thus you must call its Release function before >> releasing the IDirectFB interface reference (which >> you also own a reference to (stored in a variable >> maybe named "pDFB") by calling the DirectFBCreate >> function. Clearly, this only involves you application >> in user mode and no kernel mode work. >> >> Good luck! >> >> Cheers, >> Timothy >> >> Thanks again.. > > "We are not using directfb library or any of its API in our Qt > application. Rather we have set QWS_DISPLAY = directfb which is to use > directfb as the driver for the framebuffer to which we are directing our Qt > application output. I think we have some problem in the directfb code. I am > using Directfb-1.4.14. May be we are not using the directfb properly." > > -- > ** > _________________________ > > Pravinkumar Chavan > Software Engineer > +919867107370 > En Route Media Pvt. Ltd. > > > ** > *_________________________* > * > * > > > > _______________________________________________ > directfb-users mailing list > [email protected] > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users > > -- Sriram Neelakandan Author - Embedded Linux System Design And Development ( http://tinyurl.com/2doosu)
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