QSYSTEM: tst_QGLThreads::painterOnPixmapInThread() QWinFontEngine: unable to query transformed glyph metrics... (The handle is invalid.)

0	QWindowsFontEngine::drawGDIGlyph	qwindowsfontengine.cpp	1112	0x7fa961193e2	
1	QWindowsFontEngine::alphaRGBMapForGlyph	qwindowsfontengine.cpp	1234	0x7fa96117f25	
2	QTextureGlyphCache::textureMapForGlyph	qtextureglyphcache.cpp	284	0x7fa96a9c548	
3	QImageTextureGlyphCache::fillTexture	qtextureglyphcache.cpp	336	0x7fa96a9cb72	
4	QTextureGlyphCache::fillInPendingGlyphs	qtextureglyphcache.cpp	274	0x7fa96a9c482	
5	QRasterPaintEngine::drawCachedGlyphs	qpaintengine_raster.cpp	2829	0x7fa96a02fdc	
6	QRasterPaintEngine::drawTextItem	qpaintengine_raster.cpp	3081	0x7fa96a00af8	
7	QPainterPrivate::drawTextItem	qpainter.cpp	6469	0x7fa96a2a9ad	
8	QPainter::drawTextItem	qpainter.cpp	6339	0x7fa96a252f9	
9	QPainter::drawText	qpainter.cpp	5909	0x7fa96a24bc4	
10	QPainter::drawText	qpainter.cpp	5693	0x7fa96a24312	
11	QPainter::drawText	qpainter.h	882	0x7fa96662275	
12	ThreadPainter::draw	tst_qglthreads.cpp	603	0x7f7a106b282	
13	ThreadPainter::qt_static_metacall	tst_qglthreads.moc	396	0x7f7a1063c6a	
14	QMetaObject::activate	qobject.cpp	3481	0x62448699	
15	QMetaObject::activate	qobject.cpp	3355	0x62447e48	
16	QThread::started	moc_qthread.cpp	153	0x6252a174	
17	QThreadPrivate::start	qthread_win.cpp	346	0x6203ac8e	
18	beginthreadex	MSVCR110D		0x7fa963171a5	
19	endthreadex	MSVCR110D		0x7fa963173a7	
20	BaseThreadInitThunk	KERNEL32		0x7fab3af167e	
21	RtlUserThreadStart	ntdll		0x7fab3f33501