Hi, -noload Welcome is not required anymore, since the Welcome Page was reimplemented using widgets. An alternative to avoid OpenGL issues on Windows is "set QT_OPENGL=software". I cannot reproduce the issue on my Windows 10 setup.
Kind Regards, Thomas Hartmann -----Ursprüngliche Nachricht----- Von: Qt-creator [mailto:qt-creator-bounces+thomas.hartmann=qt...@qt-project.org] Im Auftrag von Henry Skoglund Gesendet: Thursday, April 13, 2017 11:28 AM An: qt-creator@qt-project.org; skobow...@caos-gmbh.de Betreff: Re: [Qt-creator] QtCreator 4.3b1 background thread running? Hi, you could try starting Qt Creator from a CMD window (universal solution #1 for opengl problems) to see if the CPU consumption subsides: qtcreator -noload Welcome -noload QmlDesigner -noload QmlProfiler Rgrds Henry On 2017-04-13 11:20, Tilman Skobowsky wrote: > Hi, > > I just downloaded Qt-Creator 4.3.0 b1 for some testing. > What immediately struck me was the ongoing action in one thread that > consumes about half a CPU core's performance. > The stacktrace (taken with ProcessExplorer) is > > 0 ntdll.dll!ZwRequestWaitReplyPort+0xa > 1 dwmapi.dll!DwmSetWindowAttribute+0x1cc > 2 dwmapi.dll!DwmSetWindowAttribute+0x3d0 > 3 dwmapi.dll!Ordinal132+0x97a > 4 dwmapi.dll!DwmSetWindowAttribute+0x2cc > 5 dwmapi.dll!DwmFlush+0x92 > 6 ig75icd64.dll!DrvValidateVersion+0x139a > 7 kernel32.dll!BaseThreadInitThunk+0xd > 8 ntdll.dll!RtlUserThreadStart+0x21 > > Checking on the web I found an entry on the Team Speak forum where > they observed the same issue but with a different Qt-based software. > As described there, I can kill the thread without noticing a real > problem when using Qt-Creator. > > I double checked this with both 32bit and 64bit. The problem occurrs > in both versions. > My machine runs Win7 > > Any ideas? > > TIA > Tilman > _______________________________________________ > Qt-creator mailing list > Qt-creator@qt-project.org > http://lists.qt-project.org/mailman/listinfo/qt-creator > _______________________________________________ Qt-creator mailing list Qt-creator@qt-project.org http://lists.qt-project.org/mailman/listinfo/qt-creator _______________________________________________ Qt-creator mailing list Qt-creator@qt-project.org http://lists.qt-project.org/mailman/listinfo/qt-creator
