Comment 7 for bug 981218

Hi Thomas,

I am sorry, segfault is still there, tested with lp:mixxx #3222

log:

Warning [Main]: WaveformRenderBackground::generatePixmap - no background file
WARNING: Application calling GLX 1.3 function "glXCreatePixmap" when GLX 1.3 is not supported! This is an application bug!
Warning [Main]: WaveformRenderBackground::generatePixmap - no background file
Debug [Main]: guess the size of the window decoration
WARNING: Application calling GLX 1.3 function "glXDestroyPixmap" when GLX 1.3 is not supported! This is an application bug!
Debug [Main]: GLWaveformRendererSignalShader::loadShaders
Warning [Main]: QGLShader::compile: "Warning: GL_EXT_gpu_shader4: enabled extension is not supported.
Error: 2005: ')' expected but '???' found.
"
Debug [Main]: QGLFramebufferObject: Framebuffer incomplete attachment.
Warning [Main]: GLSLWaveformRendererSignal::createFrameBuffer - frame buffer not valid
Debug [Main]: GLSLWaveformRendererSignal::loadTexture - m_textureId 4 error 1281
Debug [Main]: GLWaveformRendererSignalShader::loadShaders
Warning [Main]: QGLShader::compile: "Warning: GL_EXT_gpu_shader4: enabled extension is not supported.
Error: 2005: ')' expected but '???' found.
"
Debug [Main]: QGLFramebufferObject: Framebuffer incomplete attachment.
Warning [Main]: GLSLWaveformRendererSignal::createFrameBuffer - frame buffer not valid
Debug [Main]: GLSLWaveformRendererSignal::loadTexture - m_textureId 4 error 1281
i915_program_error: Unsupported opcode: IF
Warning [Main]: WaveformRenderBackground::generatePixmap - no background file

Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()

backtrace:

Thread 1 (Thread 0xb7fd8720 (LWP 1499)):
#0 0x00000000 in ?? ()
#1 0x04825a3b in ?? () from /usr/lib/dri/i915_dri.so
#2 0x048baa73 in ?? () from /usr/lib/dri/i915_dri.so
#3 0x047f5cc3 in _mesa_execute_program () from /usr/lib/dri/i915_dri.so
#4 0x048ba724 in _swrast_exec_fragment_program () from /usr/lib/dri/i915_dri.so
#5 0x0481640f in ?? () from /usr/lib/dri/i915_dri.so
#6 0x04817ba0 in _swrast_write_rgba_span () from /usr/lib/dri/i915_dri.so
#7 0x048305d2 in ?? () from /usr/lib/dri/i915_dri.so
#8 0x04809e5f in ?? () from /usr/lib/dri/i915_dri.so
#9 0x0480905d in _swrast_Triangle () from /usr/lib/dri/i915_dri.so
#10 0x0483cdaf in ?? () from /usr/lib/dri/i915_dri.so
#11 0x047d5027 in ?? () from /usr/lib/dri/i915_dri.so
#12 0x047d69c9 in ?? () from /usr/lib/dri/i915_dri.so
#13 0x047ca6b3 in _tnl_run_pipeline () from /usr/lib/dri/i915_dri.so
#14 0x047219fd in ?? () from /usr/lib/dri/i915_dri.so
#15 0x047cb406 in _tnl_draw_prims () from /usr/lib/dri/i915_dri.so
#16 0x047cb869 in _tnl_vbo_draw_prims () from /usr/lib/dri/i915_dri.so
#17 0x047c2f31 in ?? () from /usr/lib/dri/i915_dri.so
#18 0x047b9c17 in ?? () from /usr/lib/dri/i915_dri.so
#19 0x014b9c37 in ?? () from /usr/share/qt4/lib/libQtOpenGL.so.4
#20 0x014c5ff1 in ?? () from /usr/share/qt4/lib/libQtOpenGL.so.4
#21 0x008f2f68 in QPaintEngineEx::drawPixmap(QPointF const&, QPixmap const&) () from /usr/share/qt4/lib/libQtGui.so.4
#22 0x00908788 in QPainter::drawPixmap(QPointF const&, QPixmap const&) () from /usr/share/qt4/lib/libQtGui.so.4
#23 0x0834b231 in QPainter::drawPixmap (this=0x9305ca0, painter=0xbfffe21c) at /usr/include/qt4/QtGui/qpainter.h:811
#24 WaveformRenderBackground::draw (this=0x9305ca0, painter=0xbfffe21c)
    at src/waveform/renderers/waveformrenderbackground.cpp:34
#25 0x08348be0 in WaveformWidgetRenderer::draw (this=0x8f19a8c, painter=0xbfffe21c, event=0xbfffe7d4)
    at src/waveform/renderers/waveformwidgetrenderer.cpp:170
#26 0x083671ab in GLSLWaveformWidget::paintEvent (this=0x8f19a78, event=0xbfffe7d4)
    at src/waveform/widgets/glslwaveformwidget.cpp:47
#27 0x007ee6b6 in QWidget::event(QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#28 0x0149ddf9 in QGLWidget::event(QEvent*) () from /usr/share/qt4/lib/libQtOpenGL.so.4
#29 0x007904dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#30 0x007970f9 in QApplication::notify(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#31 0x0123fa3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtCore.so.4
#32 0x007f79d6 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/share/qt4/lib/libQtGui.so.4
#33 0x009cc926 in QWidgetPrivate::repaint_sys(QRegion const&) () from /usr/share/qt4/lib/libQtGui.so.4
#34 0x007e7b3e in QWidgetPrivate::syncBackingStore() () from /usr/share/qt4/lib/libQtGui.so.4
#35 0x007eee76 in QWidget::event(QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#36 0x0149ddf9 in QGLWidget::event(QEvent*) () from /usr/share/qt4/lib/libQtOpenGL.so.4
#37 0x007904dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#38 0x007970f9 in QApplication::notify(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtGui.so.4
#39 0x0123fa3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/share/qt4/lib/libQtCore.so.4
#40 0x01242473 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/share/qt4/lib/libQtCore.so.4
#41 0x012425dd in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/share/qt4/lib/libQtCore.so.4
#42 0x0126badf in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#43 0x031b6245 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x031ba068 in ?? () from /lib/libglib-2.0.so.0
#45 0x031ba248 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x0126b5d5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/share/qt4/lib/libQtCore.so.4
#47 0x00850135 in ?? () from /usr/share/qt4/lib/libQtGui.so.4
#48 0x0123e059 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/share/qt4/lib/libQtCore.so.4
#49 0x0123e4aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/share/qt4/lib/libQtCore.so.4
#50 0x0124269f in QCoreApplication::exec() () from /usr/share/qt4/lib/libQtCore.so.4
#51 0x00790577 in QApplication::exec() () from /usr/share/qt4/lib/libQtGui.so.4
#52 0x0819f4c5 in main (argc=141334196, argv=0xbffff464) at src/main.cpp:306