https://bugs.kde.org/show_bug.cgi?id=395462
--- Comment #5 from magib...@hotmail.com --- Obtained a new backtrace with mesa debug symbols. I see mentions to 'swrast' so that's probably the cause of the slowness. If you believe this has nothing to do with you, then I shall file a mesa bug report... > #0 0x00007fffd86e950a in get_src_register_pointer > (machine=machine@entry=0x555557059b40, source=0x55555936c45c, > source@entry=0x7fffffffb3cc) > at program/prog_execute.c:95 > #1 fetch_vector4 (source=source@entry=0x55555936c45c, > machine=machine@entry=0x555557059b40, result=result@entry=0x7fffffffb3c0) at > program/prog_execute.c:190 > #2 0x00007fffd86e9f42 in _mesa_execute_program > (ctx=ctx@entry=0x55555748af70, program=program@entry=0x555559374ea0, > machine=machine@entry=0x555557059b40) > at program/prog_execute.c:798 > #3 0x00007fffd86a514e in run_program (start=0, end=<optimized out>, > span=0x7fffffffc290, ctx=0x55555748af70) at swrast/s_fragprog.c:215 > #4 _swrast_exec_fragment_program (ctx=0x55555748af70, span=0x7fffffffc290) > at swrast/s_fragprog.c:272 > #5 0x00007fffd86ab8bb in _swrast_write_rgba_span > (ctx=ctx@entry=0x55555748af70, span=span@entry=0x7fffffffc290) at > swrast/s_span.c:1265 > #6 0x00007fffd86bf06d in general_triangle (ctx=0x55555748af70, v0=<optimized > out>, v1=<optimized out>, v2=0x5555586be998) at swrast/s_tritemp.h:824 > #7 0x00007fffd8685865 in _tnl_render_tri_strip_elts (ctx=0x55555748af70, > start=<optimized out>, count=6, flags=<optimized out>) at > tnl/t_vb_rendertmp.h:234 > #8 0x00007fffd8686208 in run_render (ctx=0x55555748af70, stage=<optimized > out>) at tnl/t_vb_render.c:323 > #9 0x00007fffd867ae0a in _tnl_run_pipeline (ctx=ctx@entry=0x55555748af70) at > tnl/t_pipeline.c:241 > #10 0x00007fffd88cfdbe in intelRunPipeline (ctx=0x55555748af70) at > intel_tris.c:1087 > #11 0x00007fffd867a297 in _tnl_draw_prims (ctx=ctx@entry=0x55555748af70, > arrays=arrays@entry=0x55555708e298, prim=prim@entry=0x7fffffffd2d0, > nr_prims=nr_prims@entry=1, ib=ib@entry=0x7fffffffd2b0, > index_bounds_valid=index_bounds_valid@entry=0 '\000', min_index=<optimized > out>, > max_index=<optimized out>, tfb_vertcount=0x0, stream=0, indirect=0x0) at > tnl/t_draw.c:529 > #12 0x00007fffd867ab9d in _tnl_draw (ctx=0x55555748af70, prim=0x7fffffffd2d0, > nr_prims=1, ib=0x7fffffffd2b0, index_bounds_valid=<optimized out>, > min_index=0, > max_index=4294967295, tfb_vertcount=0x0, stream=0, indirect=0x0) at > tnl/t_draw.c:648 > #13 0x00007fffd86608c9 in vbo_validated_drawrangeelements (ctx=<optimized > out>, mode=<optimized out>, index_bounds_valid=<optimized out>, start=0, > end=<optimized out>, count=<optimized out>, type=5123, indices=0x40, > basevertex=0, numInstances=1, baseInstance=0) at vbo/vbo_exec_array.c:842 > #14 0x00007fffd866121c in vbo_exec_DrawElements (mode=5, count=6, type=5123, > indices=0x40) at vbo/vbo_exec_array.c:1000 > #15 0x00007ffff1e921d7 in > QSGBatchRenderer::Renderer::renderUnmergedBatch(QSGBatchRenderer::Batch > const*) () from /usr/lib/libQt5Quick.so.5 > #16 0x00007ffff1e92976 in QSGBatchRenderer::Renderer::renderBatches() () from > /usr/lib/libQt5Quick.so.5 > #17 0x00007ffff1e98103 in QSGBatchRenderer::Renderer::render() () from > /usr/lib/libQt5Quick.so.5 > #18 0x00007ffff1e884ee in QSGRenderer::renderScene(QSGBindable const&) () > from /usr/lib/libQt5Quick.so.5 > #19 0x00007ffff1e88990 in QSGRenderer::renderScene(unsigned int) () from > /usr/lib/libQt5Quick.so.5 > #20 0x00007ffff1ec3030 in > QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from > /usr/lib/libQt5Quick.so.5 > #21 0x00007ffff1f26db5 in QQuickWindowPrivate::renderSceneGraph(QSize const&) > () from /usr/lib/libQt5Quick.so.5 > #22 0x00007ffff1fe7e8a in QQuickRenderControl::render() () from > /usr/lib/libQt5Quick.so.5 > #23 0x00007ffff23b1397 in ?? () from /usr/lib/libQt5QuickWidgets.so.5 > #24 0x00007ffff23b2a87 in QQuickWidget::showEvent(QShowEvent*) () from > /usr/lib/libQt5QuickWidgets.so.5 > #25 0x00007ffff4ed52b8 in QWidget::event(QEvent*) () from > /usr/lib/libQt5Widgets.so.5 > #26 0x00007ffff23b5256 in QQuickWidget::event(QEvent*) () from > /usr/lib/libQt5QuickWidgets.so.5 > #27 0x00007ffff4e95a74 in QApplicationPrivate::notify_helper(QObject*, > QEvent*) () from /usr/lib/libQt5Widgets.so.5 > #28 0x00007ffff4e9d341 in QApplication::notify(QObject*, QEvent*) () from > /usr/lib/libQt5Widgets.so.5 > #29 0x00007ffff3e91cb9 in QCoreApplication::notifyInternal2(QObject*, > QEvent*) () from /usr/lib/libQt5Core.so.5 > #30 0x00007ffff4ed1b3d in QWidgetPrivate::show_helper() () from > /usr/lib/libQt5Widgets.so.5 > #31 0x00007ffff4ed4e35 in QWidget::setVisible(bool) () from > /usr/lib/libQt5Widgets.so.5 > #32 0x00007ffff4ed1aa9 in QWidgetPrivate::showChildren(bool) () from > /usr/lib/libQt5Widgets.so.5 > #33 0x00007ffff4ed1b12 in QWidgetPrivate::show_helper() () from > /usr/lib/libQt5Widgets.so.5 > #34 0x00007ffff4ed4e35 in QWidget::setVisible(bool) () from > /usr/lib/libQt5Widgets.so.5 > #35 0x00007ffff4ed4242 in ?? () from /usr/lib/libQt5Widgets.so.5 > #36 0x00007ffff3ebc3d2 in QObject::event(QEvent*) () from > /usr/lib/libQt5Core.so.5 > #37 0x00007ffff4ed576c in QWidget::event(QEvent*) () from > /usr/lib/libQt5Widgets.so.5 > #38 0x00007ffff4e95a74 in QApplicationPrivate::notify_helper(QObject*, > QEvent*) () from /usr/lib/libQt5Widgets.so.5 > #39 0x00007ffff4e9d341 in QApplication::notify(QObject*, QEvent*) () from > /usr/lib/libQt5Widgets.so.5 > #40 0x00007ffff3e91cb9 in QCoreApplication::notifyInternal2(QObject*, > QEvent*) () from /usr/lib/libQt5Core.so.5 > #41 0x00007ffff3e94d4c in QCoreApplicationPrivate::sendPostedEvents(QObject*, > int, QThreadData*) () from /usr/lib/libQt5Core.so.5 > #42 0x00007ffff3ee5a54 in ?? () from /usr/lib/libQt5Core.so.5 > #43 0x00007fffec84e368 in g_main_context_dispatch () from > /usr/lib/libglib-2.0.so.0 > #44 0x00007fffec84e5b1 in ?? () from /usr/lib/libglib-2.0.so.0 > #45 0x00007fffec84e63e in g_main_context_iteration () from > /usr/lib/libglib-2.0.so.0 > #46 0x00007ffff3ee5039 in > QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () > from /usr/lib/libQt5Core.so.5 > #47 0x00007fffe6e5c722 in ?? () from /usr/lib/libQt5XcbQpa.so.5 > #48 0x00007ffff3e9094c in > QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from > /usr/lib/libQt5Core.so.5 > #49 0x00007ffff3e98c46 in QCoreApplication::exec() () from > /usr/lib/libQt5Core.so.5 > #50 0x000055555555ee5f in ?? () > #51 0x00007ffff34fe06b in __libc_start_main () from /usr/lib/libc.so.6 > #52 0x000055555555eeea in _start () -- You are receiving this mail because: You are watching all bug changes.
