opencv 2.4.2 with qt (4.8.0) support crashing at namedwindow (Bug #2197)

Added by Jawad Rafid over 12 years ago. Updated over 11 years ago.

Status:	Cancelled	Start date:	2012-07-25
Priority:	Normal	Due date:
Assignee:	Vadim Pisarevsky	% Done:	0%
Category:	highgui-gui
Target version:	-
Affected version:	2.4.0 - 2.4.4	Operating System:
Difficulty:		HW Platform:
Pull request:

Description

Hi,

I've opencv 2.4.2 build with visual studio 2010 and CMAKE (qt support enabled). Whenever, i use a simple program opening a window/use imshow then i get unhandled exception crash and in the terminal window i get opencv error :

OpenCV error: Null pointer <null session="" handler=""> in unknown function, file, pathtoopencv\highgui\src\window_qt.cpp line 909

The same program with the same configuration settings work in 'Release' configuration. It only fails in Debug mode. I also tried to build the opencv with SSE/SSE2 disabled but still am getting the crash.

Regards,

CMakeCache.txt (148.7 kB) Jawad Rafid, 2012-07-25 01:37 pm

testGPUFlow.zip (882.1 kB) Jawad Rafid, 2012-07-25 09:22 pm

Related issues

duplicates Bug #2255: Cannot show image in debug mode with Qt enabled (VS2010)

Done

2012-08-09

Associated revisions

Revision 24caa801
Added by Roman Donchenko about 11 years ago

Merge pull request #2197 from asmorkalov:ocv_packaging2

History

#1
Updated by Jawad Rafid over 12 years ago

Here i am attaching a project which can be used to replicate the error. Actually this is a sample from opencv for gpu optical flow tracker. It runs from command prompt while crashes in visual studio. Here the problem occurs when imshow/namedwindow is called. so i guess gpu is conflicting with imshow or maybe it is qt again.