[Qt-creator] Creator hangs on start trying to load help.dll

[Immanuel Weber]

Hi all, 
I just downloaded the sources of Qt Creator 4.0.0 and compiled it using msvc12/VS 2013 update 5 as a x64 build with Qt 5.6.0. Unfortunately creator hangs after start and never shows its GUI. After stoping execution in the debugger it appears that it is stuck while loading help.dll. If I remove/rename the plugin dll of the folder creator starts as usual. I also tested the latest master branch, same issue. The binary release does not show this problem.
The callstack looks like this, looks like that it is locked somewhere down in opengl stuff:
1 ZwWaitForSingleObject ntdll 0x772abb7a
2 WaitForSingleObjectEx KERNELBASE 0x7fefd1610ac
3 DrvValidateVersion nvoglv64 0x695d7ba2
4 DrvValidateVersion nvoglv64 0x695d75ca
5 DrvValidateVersion nvoglv64 0x695d9f4e
6 DrvValidateVersion nvoglv64 0x695d8521
7 nvoglv64 0x695c146f
8 DrvValidateVersion nvoglv64 0x695d8ac3
9 DrvValidateVersion nvoglv64 0x695d4a5a
10 DrvSetContext nvoglv64 0x695d37db
11 MakeAnyCurrent opengl32 0x7fee933517e
12 wglMakeCurrent opengl32 0x7fee9335604
13 QWindowsOpenGLTester::testDesktopGL qwindowsopengltester.cpp 365 0x7fed8d6a057
14 QWindowsOpenGLTester::detectSupportedRenderers qwindowsopengltester.cpp 240 0x7fed8d694cf
15 QWindowsOpenGLTester::supportedRenderers qwindowsopengltester.cpp 292 0x7fed8d69218
16 QWindowsStaticOpenGLContext::doCreate qwindowsintegration.cpp 346 0x7fed8cfa011
17 QWindowsStaticOpenGLContext::create qwindowsintegration.cpp 403 0x7fed8cf9fe9
18 QWindowsIntegration::staticOpenGLContext qwindowsintegration.cpp 436 0x7fed8cf981f
19 QWindowsIntegration::createPlatformOpenGLContext qwindowsintegration.cpp 408 0x7fed8cf96fe
20 QOpenGLContext::create qopenglcontext.cpp 604 0x7fed93e3870
21 QtWebEngineCore::initialize Qt5WebEngineCored 0x1801378e7
22 initialize qtwebenginewidgetsglobal.cpp 50 0x7fed0354419
23 qAddPreRoutine qcoreapplication.cpp 251 0x6664879d
24 initialize_ctor_function qtwebenginewidgetsglobal.cpp 52 0x7fed0354441
25 `anonymous namespace'::initialize_ctor_function_ctor_class_::initialize_ctor_function_ctor_class_ qtwebenginewidgetsglobal.cpp 52 0x7fed035446e
26 `anonymous namespace'::`dynamic initializer for 'initialize_ctor_function_ctor_instance_'' qtwebenginewidgetsglobal.cpp 52 0x7fed0353fe0
27 _initterm crt0dat.c 955 0x7fed8f655ac
28 _CRT_INIT crtdll.c 300 0x7fed037f595
29 __DllMainCRTStartup crtdll.c 502 0x7fed037f90b
30 _DllMainCRTStartup crtdll.c 473 0x7fed037f871
31 LdrpRunInitializeRoutines ntdll 0x77296a98
32 LdrpLoadDll ntdll 0x7729686e
33 LdrLoadDll ntdll 0x77285fcf
34 LoadLibraryExW KERNELBASE 0x7fefd180176
35 QLibraryPrivate::load_sys qlibrary_win.cpp 109 0x6663f421
36 QLibraryPrivate::load qlibrary.cpp 532 0x6663bcaa
37 QLibraryPrivate::loadPlugin qlibrary.cpp 580 0x6663bde1
38 QPluginLoader::load qpluginloader.cpp 233 0x6662ceda
39 ExtensionSystem::Internal::PluginSpecPrivate::loadLibrary pluginspec.cpp 939 0x7fedb3d4640
40 ExtensionSystem::Internal::PluginManagerPrivate::loadPlugin pluginmanager.cpp 1390 0x7fedb3c0827
41 ExtensionSystem::Internal::PluginManagerPrivate::loadPlugins pluginmanager.cpp 1224 0x7fedb3bfb00
42 ExtensionSystem::PluginManager::loadPlugins pluginmanager.cpp 364 0x7fedb3bcee0
43 main main.cpp 512 0x13f90b921
44 WinMain qtmain_win.cpp 113 0x13f91121d
45 __tmainCRTStartup crtexe.c 618 0x13f9106b1
46 WinMainCRTStartup crtexe.c 466 0x13f91042e
47 BaseThreadInitThunk kernel32 0x771559bd
48 RtlUserThreadStart ntdll 0x7728a2e1

Is this a (known) issue/bug or am I doing something wrong?

Cheers 
Immanuel


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