> > On Wed, Feb 8, 2012 at 12:24 PM, Pravinkumar Chavan < > pravinkumar.cha...@enrouteinc.com> wrote: > >> >> >> On 7 February 2012 22:22, Strelchun, Timothy <timothy.strelc...@intel.com >> > 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." >> >> What version of Qt ? must be a bug in Qt/DirectFB plugin then
The Qt version is 4.6.2 I am not sure, if there is a bug in Qt/DirectFB plugin... Can you please explain in brief so that i will do some check about it.. -- >> _________________________ >> >> Pravinkumar Chavan >> Software Engineer >> +919867107370 >> En Route Media Pvt. Ltd. >> >> >> *_________________________* >> * >> * >> >> >> >> _______________________________________________ >> directfb-users mailing list >> directfb-users@directfb.org >> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users >> >> > > > -- > Sriram Neelakandan > Author - Embedded Linux System Design And Development ( > http://tinyurl.com/2doosu) > > -- ** _________________________ Pravinkumar Chavan Software Engineer +919867107370 En Route Media Pvt. Ltd. ** *_________________________* * *
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