I've managed to get Krita into a state where it crashes whenever I try to draw in the brush preview panel in the brush editor. This is a recent development, and drawing on the canvas works as before. The crash reporter doesn't seem to catch this error, only showing a segfault with no further info, but here's what the console output looks like: ################################### # Adding a tablet device: Wacom Cintiq 24HD touch Pen stylus Device Type: "Stylus" # Axes limits data X: 0 104280 Y: 0 65400 Z: 0 0 Pressure: 0 2048 Rotation: -900 899 T. Pres: 0 0 ################################### # Adding a tablet device: Wacom Cintiq 24HD touch Pen eraser Device Type: "XFreeEraser" # Axes limits data X: 0 104280 Y: 0 65400 Z: 0 0 Pressure: 0 2048 Rotation: 0 1 T. Pres: 0 0 krita(7873)/koffice (lib komain) KoPluginLoader::load: Loading plugin "Textdocument Inspection" failed, "Could not find plugin 'Textdocument Inspection' for application 'krita'" Object::connect: No such signal QToolButton::triggered() in /build/krita-2.9-INmjI7/krita-2.9-2+git20160202+r46/krita/plugins/extensions/dockers/defaultdockers/kis_layer_box.cpp:241 Object::connect: (sender name: 'bnRaise') Object::connect: No such signal QToolButton::triggered() in /build/krita-2.9-INmjI7/krita-2.9-2+git20160202+r46/krita/plugins/extensions/dockers/defaultdockers/kis_layer_box.cpp:242 Object::connect: (sender name: 'bnLower') krita(7873) KisViewManager::updateIcons: name "ArtisticColorSelector" krita(7873) KisViewManager::updateIcons: name "ChannelDocker" krita(7873) KisViewManager::updateIcons: name "ColorSelectorNg" krita(7873) KisViewManager::updateIcons: name "ColorSlider" krita(7873) KisViewManager::updateIcons: name "CompositionDocker" krita(7873) KisViewManager::updateIcons: name "DigitalMixer" krita(7873) KisViewManager::updateIcons: name "History" krita(7873) KisViewManager::updateIcons: name "ImageDocker" krita(7873) KisViewManager::updateIcons: name "KisLayerBox" krita(7873) KisViewManager::updateIcons: name "LutDocker" krita(7873) KisViewManager::updateIcons: name "OverviewDocker" krita(7873) KisViewManager::updateIcons: name "PaletteDocker" krita(7873) KisViewManager::updateIcons: name "PatternDocker" krita(7873) KisViewManager::updateIcons: name "PresetDocker" krita(7873) KisViewManager::updateIcons: name "PresetHistory" krita(7873) KisViewManager::updateIcons: name "Shape Properties" krita(7873) KisViewManager::updateIcons: name "ShapeCollectionDocker" krita(7873) KisViewManager::updateIcons: name "SmallColorSelector" krita(7873) KisViewManager::updateIcons: name "SnapGuide Properties" krita(7873) KisViewManager::updateIcons: name "SpecificColorSelector" krita(7873) KisViewManager::updateIcons: name "TasksetDocker" krita(7873) KisViewManager::updateIcons: name "ToolBox" krita(7873) KisViewManager::updateIcons: name "sharedtooldocker" krita(7873) KisViewManager::updateIcons: name "ArtisticColorSelector" krita(7873) KisViewManager::updateIcons: name "ChannelDocker" krita(7873) KisViewManager::updateIcons: name "ColorSelectorNg" krita(7873) KisViewManager::updateIcons: name "ColorSlider" krita(7873) KisViewManager::updateIcons: name "CompositionDocker" krita(7873) KisViewManager::updateIcons: name "DigitalMixer" krita(7873) KisViewManager::updateIcons: name "History" krita(7873) KisViewManager::updateIcons: name "ImageDocker" krita(7873) KisViewManager::updateIcons: name "KisLayerBox" krita(7873) KisViewManager::updateIcons: name "LutDocker" krita(7873) KisViewManager::updateIcons: name "OverviewDocker" krita(7873) KisViewManager::updateIcons: name "PaletteDocker" krita(7873) KisViewManager::updateIcons: name "PatternDocker" krita(7873) KisViewManager::updateIcons: name "PresetDocker" krita(7873) KisViewManager::updateIcons: name "PresetHistory" krita(7873) KisViewManager::updateIcons: name "Shape Properties" krita(7873) KisViewManager::updateIcons: name "ShapeCollectionDocker" krita(7873) KisViewManager::updateIcons: name "SmallColorSelector" krita(7873) KisViewManager::updateIcons: name "SnapGuide Properties" krita(7873) KisViewManager::updateIcons: name "SpecificColorSelector" krita(7873) KisViewManager::updateIcons: name "TasksetDocker" krita(7873) KisViewManager::updateIcons: name "ToolBox" krita(7873) KisViewManager::updateIcons: name "sharedtooldocker" krita(7873) KisViewManager::updateIcons: name "ArtisticColorSelector" krita(7873) KisViewManager::updateIcons: name "ChannelDocker" krita(7873) KisViewManager::updateIcons: name "ColorSelectorNg" krita(7873) KisViewManager::updateIcons: name "ColorSlider" krita(7873) KisViewManager::updateIcons: name "CompositionDocker" krita(7873) KisViewManager::updateIcons: name "DigitalMixer" krita(7873) KisViewManager::updateIcons: name "History" krita(7873) KisViewManager::updateIcons: name "ImageDocker" krita(7873) KisViewManager::updateIcons: name "KisLayerBox" krita(7873) KisViewManager::updateIcons: name "LutDocker" krita(7873) KisViewManager::updateIcons: name "OverviewDocker" krita(7873) KisViewManager::updateIcons: name "PaletteDocker" krita(7873) KisViewManager::updateIcons: name "PatternDocker" krita(7873) KisViewManager::updateIcons: name "PresetDocker" krita(7873) KisViewManager::updateIcons: name "PresetHistory" krita(7873) KisViewManager::updateIcons: name "Shape Properties" krita(7873) KisViewManager::updateIcons: name "ShapeCollectionDocker" krita(7873) KisViewManager::updateIcons: name "SmallColorSelector" krita(7873) KisViewManager::updateIcons: name "SnapGuide Properties" krita(7873) KisViewManager::updateIcons: name "SpecificColorSelector" krita(7873) KisViewManager::updateIcons: name "TasksetDocker" krita(7873) KisViewManager::updateIcons: name "ToolBox" krita(7873) KisViewManager::updateIcons: name "sharedtooldocker" krita(7873) KisViewManager::updateIcons: name "ArtisticColorSelector" krita(7873) KisViewManager::updateIcons: name "ChannelDocker" krita(7873) KisViewManager::updateIcons: name "ColorSelectorNg" krita(7873) KisViewManager::updateIcons: name "ColorSlider" krita(7873) KisViewManager::updateIcons: name "CompositionDocker" krita(7873) KisViewManager::updateIcons: name "DigitalMixer" krita(7873) KisViewManager::updateIcons: name "History" krita(7873) KisViewManager::updateIcons: name "ImageDocker" krita(7873) KisViewManager::updateIcons: name "KisLayerBox" krita(7873) KisViewManager::updateIcons: name "LutDocker" krita(7873) KisViewManager::updateIcons: name "OverviewDocker" krita(7873) KisViewManager::updateIcons: name "PaletteDocker" krita(7873) KisViewManager::updateIcons: name "PatternDocker" krita(7873) KisViewManager::updateIcons: name "PresetDocker" krita(7873) KisViewManager::updateIcons: name "PresetHistory" krita(7873) KisViewManager::updateIcons: name "Shape Properties" krita(7873) KisViewManager::updateIcons: name "ShapeCollectionDocker" krita(7873) KisViewManager::updateIcons: name "SmallColorSelector" krita(7873) KisViewManager::updateIcons: name "SnapGuide Properties" krita(7873) KisViewManager::updateIcons: name "SpecificColorSelector" krita(7873) KisViewManager::updateIcons: name "TasksetDocker" krita(7873) KisViewManager::updateIcons: name "ToolBox" krita(7873) KisViewManager::updateIcons: name "sharedtooldocker" WARNING: KisImageConfig: requested config synchronization from nonGUI thread! Skipping... OpenGL version 1.1 or higher is present. OpenGL version 1.2 or higher is present. OpenGL version 1.3 or higher is present. OpenGL version 1.4 or higher is present. OpenGL version 1.5 or higher is present. OpenGL version 2.0 or higher is present. OpenGL version 2.1 or higher is present. OpenGL version 3.0 or higher is present. OpenGL version 3.1 or higher is present. OpenGL version 3.2 or higher is present. OpenGL version 3.3 or higher is present. OpenGL version 4.0 or higher is present. krita(7873)/koffice (lib komain) KoRuler::createGuideToolConnection: No guides tool found, skipping connection krita(7873)/koffice (lib komain) KoRuler::createGuideToolConnection: No guides tool found, skipping connection krita(7873) CanvasData::activateToolActions: "InteractionTool" : action "object_order_raise" conflicts with canvas action "rotate_canvas_right" shortcut: "Ctrl+]" krita(7873) CanvasData::activateToolActions: "InteractionTool" : action "object_order_lower" conflicts with canvas action "rotate_canvas_left" shortcut: "Ctrl+[" krita(7873) CanvasData::activateToolActions: "InteractionTool" : action "object_order_raise" conflicts with canvas action "rotate_canvas_right" shortcut: "Ctrl+]" krita(7873) CanvasData::activateToolActions: "InteractionTool" : action "object_order_lower" conflicts with canvas action "rotate_canvas_left" shortcut: "Ctrl+[" KCrash: Application 'krita' crashing... KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit KCrash: Connect sock_file=/home/hulmanen/.kde/socket-liiga-comp-one/kdeinit4__0 QSocketNotifier: Invalid socket 9 and type 'Read', disabling... QSocketNotifier: Invalid socket 13 and type 'Read', disabling... krita: Fatal IO error 9 (Bad file descriptor) on X server :0. Warning: some tiles have leaked: Tiles in memory: 6685 Total tiles: 6685 QFile::at: Cannot set file position 0 Fatal Error: Accessed global static 'KoToolManager *s_instance()' after destruction. Defined at /build/krita-2.9-INmjI7/krita-2.9-2+git20160202+r46/libs/flake/KoToolManager.cpp:1105 Unable to start Dr. Konqi Not forwarding the crash to Apport. Reproducible: Always
We have this bug reported already with better info. For you, you can get around this with resetting the config(https://docs.krita.org/KritaFAQ#Resetting_Krita_configuration), so that you can go back to enjoying Krita again :) *** This bug has been marked as a duplicate of bug 359272 ***