Here is the system information output for my PC:
System Info - Click triangle to expand/collapse
Krita
Version: 5.1.5
Hidpi: false
Qt
Version (compiled): 5.12.12
Version (loaded): 5.12.12
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.19.0-23-amd64
Pretty Productname: Debian GNU/Linux 10 (buster)
Product Type: debian
Product Version: 10
Desktop: MATE
Locale
Languages: en_GB, en
C locale: en_GB.UTF-8
QLocale current: en-GB
QLocale system: en-GB
QTextCodec for locale: UTF-8
OpenGL Info
Vendor: “NVIDIA Corporation”
Renderer: “NVIDIA GeForce GTX 750 Ti/PCIe/SSE2”
Version: “4.6.0 NVIDIA 470.141.03”
Shading language: “4.60 NVIDIA”
Requested format: QSurfaceFormat(version 3.0, options QFlagsQSurfaceFormat::FormatOption(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::CompatibilityProfile)
Current format: QSurfaceFormat(version 4.6, options QFlagsQSurfaceFormat::FormatOption(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::CompatibilityProfile)
Version: 4.6
Supports deprecated functions true
is OpenGL ES: false
supportsBufferMapping: true
supportsBufferInvalidation: true
forceDisableTextureBuffers: false
Extensions:
“GL_NV_path_rendering”
“GL_ARB_imaging”
“GL_EXT_framebuffer_multisample”
“GL_ARB_sparse_buffer”
“GL_NV_fragment_program_option”
“GL_ARB_texture_mirrored_repeat”
“GL_NV_bindless_multi_draw_indirect_count”
“GL_ARB_texture_mirror_clamp_to_edge”
“GL_ARB_fragment_shader”
“GL_NV_bindless_texture”
“GL_ARB_map_buffer_range”
“GL_EXT_draw_instanced”
“GL_ARB_transform_feedback2”
“GL_NV_gpu_program5_mem_extended”
“GL_EXT_texture_swizzle”
“GL_ARB_transform_feedback3”
“GL_EXT_multiview_texture_multisample”
“GL_EXT_abgr”
“GL_NV_fragment_program”
“GL_ARB_robust_buffer_access_behavior”
“GL_KHR_blend_equation_advanced”
“GL_EXT_texture_env_add”
“GL_NV_robustness_video_memory_purge”
“GL_EXT_texture_sRGB_R8”
“GL_ARB_shading_language_100”
“GL_SUN_slice_accum”
“GL_ARB_arrays_of_arrays”
“GL_ARB_fragment_program”
“GL_EXT_gpu_program_parameters”
“GL_NV_fence”
“GL_EXT_bgra”
“GL_EXT_separate_shader_objects”
“GL_ATI_texture_mirror_once”
“GL_ARB_vertex_buffer_object”
“GL_ARB_texture_cube_map”
“GL_NV_texture_compression_vtc”
“GL_NV_shader_subgroup_partitioned”
“GL_NV_register_combiners2”
“GL_NV_explicit_multisample”
“GL_ARB_draw_buffers_blend”
“GL_EXT_texture_sRGB”
“GL_ARB_parallel_shader_compile”
“GL_SGIS_texture_lod”
“GL_NV_depth_clamp”
“GL_EXT_geometry_shader4”
“GL_ARB_explicit_uniform_location”
“GL_ARB_texture_buffer_object”
“GL_ARB_shader_subroutine”
“GL_NV_draw_texture”
“GL_ARB_provoking_vertex”
“GL_EXT_semaphore_fd”
“GL_ARB_internalformat_query”
“GL_NV_shader_atomic_float”
“GL_ARB_texture_compression_bptc”
“GL_EXT_shader_image_load_store”
“GL_EXT_memory_object_fd”
“GL_EXTX_framebuffer_mixed_formats”
“GL_NVX_conditional_render”
“GL_ARB_gpu_shader5”
“GL_NV_texture_rectangle”
“GL_ARB_occlusion_query2”
“GL_EXT_stencil_two_side”
“GL_ARB_shading_language_420pack”
“GL_ARB_texture_cube_map_array”
“GL_ARB_shading_language_include”
“GL_ARB_texture_storage”
“GL_ARB_pixel_buffer_object”
“GL_ARB_spirv_extensions”
“GL_NV_ES3_1_compatibility”
“GL_ARB_shader_atomic_counter_ops”
“GL_NV_copy_image”
“GL_ARB_direct_state_access”
“GL_ARB_half_float_vertex”
“GL_ARB_shader_texture_lod”
“GL_ARB_vertex_array_bgra”
“GL_ARB_texture_buffer_object_rgb32”
“GL_EXT_depth_bounds_test”
“GL_NV_vdpau_interop”
“GL_NV_fragment_program2”
“GL_ARB_gpu_shader_int64”
“GL_NV_vertex_array_range2”
“GL_NV_transform_feedback”
“GL_NV_vertex_attrib_integer_64bit”
“GL_ARB_sampler_objects”
“GL_EXT_texture_lod_bias”
“GL_ARB_compressed_texture_pixel_storage”
“GL_EXT_texture_filter_anisotropic”
“GL_NV_blend_equation_advanced”
“GL_ARB_draw_instanced”
“GL_EXT_shader_image_load_formatted”
“GL_NV_command_list”
“GL_EXT_framebuffer_object”
“GL_ARB_shader_image_size”
“GL_NV_internalformat_sample_query”
“GL_EXT_packed_pixels”
“GL_ARB_bindless_texture”
“GL_EXT_blend_func_separate”
“GL_NV_light_max_exponent”
“GL_NV_texture_shader”
“GL_NV_shader_thread_group”
“GL_ARB_shader_storage_buffer_object”
“GL_ARB_shader_clock”
“GL_EXT_separate_specular_color”
“GL_SGIX_shadow”
“GL_EXT_shader_integer_mix”
“GL_ARB_transpose_matrix”
“GL_ARB_shader_atomic_counters”
“GL_ARB_texture_gather”
“GL_EXT_texture_object”
“GL_EXT_polygon_offset_clamp”
“GL_ARB_multisample”
“GL_NV_vertex_array_range”
“GL_NV_multisample_filter_hint”
“GL_ARB_shader_ballot”
“GL_EXT_texture_lod”
“GL_ARB_copy_buffer”
“GL_EXT_x11_sync_object”
“GL_ARB_sparse_texture”
“GL_NV_timeline_semaphore”
“GL_ARB_debug_output”
“GL_ARB_texture_non_power_of_two”
“GL_ARB_vertex_type_10f_11f_11f_rev”
“GL_ARB_get_program_binary”
“GL_EXT_vertex_array”
“GL_NV_gpu_program4_1”
“GL_ARB_shader_objects”
“GL_ARB_ES2_compatibility”
“GL_NV_depth_buffer_float”
“GL_KHR_blend_equation_advanced_coherent”
“GL_ARB_texture_filter_anisotropic”
“GL_IBM_texture_mirrored_repeat”
“GL_ARB_texture_stencil8”
“GL_KTX_buffer_region”
“GL_NV_pixel_data_range”
“GL_ARB_transform_feedback_instanced”
“GL_ARB_framebuffer_sRGB”
“GL_NVX_gpu_memory_info”
“GL_ARB_gl_spirv”
“GL_EXT_texture3D”
“GL_ARB_texture_env_combine”
“GL_SGIS_generate_mipmap”
“GL_ARB_shader_bit_encoding”
“GL_ARB_shadow”
“GL_EXT_bindable_uniform”
“GL_EXT_texture_compression_dxt1”
“GL_NV_draw_vulkan_image”
“GL_NV_shader_thread_shuffle”
“GL_NV_gpu_program_fp64”
“GL_ARB_texture_query_levels”
“GL_NV_shader_buffer_load”
“GL_ARB_conditional_render_inverted”
“GL_NV_parameter_buffer_object2”
“GL_ARB_texture_compression_rgtc”
“GL_NV_texture_rectangle_compressed”
“GL_ARB_vertex_attrib_64bit”
“GL_NV_vertex_buffer_unified_memory”
“GL_EXT_packed_depth_stencil”
“GL_NV_query_resource”
“GL_ARB_depth_texture”
“GL_EXT_direct_state_access”
“GL_NV_query_resource_tag”
“GL_EXT_texture_cube_map”
“GL_NV_framebuffer_multisample_coverage”
“GL_EXT_blend_equation_separate”
“GL_EXT_point_parameters”
“GL_ARB_color_buffer_float”
“GL_NV_texture_barrier”
“GL_AMD_seamless_cubemap_per_texture”
“GL_ARB_separate_shader_objects”
“GL_KHR_shader_subgroup”
“GL_ARB_sync”
“GL_EXT_Cg_shader”
“GL_NV_texture_shader2”
“GL_NV_texture_shader3”
“GL_ARB_texture_float”
“GL_NV_register_combiners”
“GL_ARB_ES3_1_compatibility”
“GL_EXT_transform_feedback2”
“GL_EXT_import_sync_object”
“GL_SGIX_depth_texture”
“GL_NV_geometry_shader4”
“GL_NV_occlusion_query”
“GL_ARB_texture_rg”
“GL_EXT_draw_buffers2”
“GL_ARB_geometry_shader4”
“GL_ARB_seamless_cubemap_per_texture”
“GL_ARB_fragment_program_shadow”
“GL_EXT_texture_env_dot3”
“GL_ARB_program_interface_query”
“GL_ARB_framebuffer_object”
“GL_ARB_window_pos”
“GL_EXT_texture_compression_latc”
“GL_NV_fog_distance”
“GL_ARB_shader_image_load_store”
“GL_ARB_query_buffer_object”
“GL_ARB_draw_elements_base_vertex”
“GL_ARB_texture_compression”
“GL_ARB_vertex_array_object”
“GL_ARB_sample_shading”
“GL_KHR_robust_buffer_access_behavior”
“GL_NV_texture_env_combine4”
“GL_ARB_point_sprite”
“GL_EXT_rescale_normal”
“GL_KHR_parallel_shader_compile”
“GL_ARB_viewport_array”
“GL_ARB_texture_buffer_range”
“GL_ARB_seamless_cube_map”
“GL_EXT_texture_storage”
“GL_ARB_texture_rgb10_a2ui”
“GL_NV_feature_query”
“GL_ARB_clip_control”
“GL_AMD_multi_draw_indirect”
“GL_ARB_explicit_attrib_location”
“GL_NV_copy_depth_to_color”
“GL_ARB_pipeline_statistics_query”
“GL_NV_ES1_1_compatibility”
“GL_NV_texture_multisample”
“GL_ARB_shader_group_vote”
“GL_ARB_shader_precision”
“GL_NV_primitive_restart”
“GL_EXT_memory_object”
“GL_ARB_draw_indirect”
“GL_NV_gpu_program4”
“GL_NV_vertex_program2_option”
“GL_KHR_no_error”
“GL_NV_gpu_program5”
“GL_EXT_secondary_color”
“GL_ARB_shader_texture_image_samples”
“GL_EXT_framebuffer_multisample_blit_scaled”
“GL_EXT_stencil_wrap”
“GL_ATI_texture_float”
“GL_NV_shader_atomic_counters”
“GL_EXT_fog_coord”
“GL_ARB_vertex_program”
“GL_ARB_texture_swizzle”
“GL_EXT_pixel_buffer_object”
“GL_EXT_timer_query”
“GL_NV_vertex_program”
“GL_ARB_texture_env_add”
“GL_ARB_base_instance”
“GL_ARB_transform_feedback_overflow_query”
“GL_NV_gpu_shader5”
“GL_ARB_polygon_offset_clamp”
“GL_ARB_uniform_buffer_object”
“GL_EXT_texture_array”
“GL_ATI_draw_buffers”
“GL_NVX_progress_fence”
“GL_EXT_texture_compression_rgtc”
“GL_ARB_framebuffer_no_attachments”
“GL_NV_half_float”
“GL_NV_packed_depth_stencil”
“GL_ARB_multi_draw_indirect”
“GL_ARB_tessellation_shader”
“GL_ARB_blend_func_extended”
“GL_NV_blend_equation_advanced_coherent”
“GL_NV_shader_storage_buffer_object”
“GL_EXT_texture_integer”
“GL_EXT_provoking_vertex”
“GL_ARB_texture_env_crossbar”
“GL_NV_uniform_buffer_unified_memory”
“GL_KHR_robustness”
“GL_EXT_window_rectangles”
“GL_KHR_debug”
“GL_NV_vertex_program1_1”
“GL_ARB_clear_texture”
“GL_EXT_vertex_array_bgra”
“GL_NV_transform_feedback2”
“GL_ARB_copy_image”
“GL_EXT_framebuffer_sRGB”
“GL_ARB_texture_view”
“GL_EXT_shadow_funcs”
“GL_EXT_packed_float”
“GL_ARB_instanced_arrays”
“GL_EXT_framebuffer_blit”
“GL_KHR_context_flush_control”
“GL_EXT_texture_shadow_lod”
“GL_ARB_clear_buffer_object”
“GL_ARB_gpu_shader_fp64”
“GL_NV_gpu_multicast”
“GL_ARB_buffer_storage”
“GL_ARB_ES3_2_compatibility”
“GL_ARB_map_buffer_alignment”
“GL_NV_multisample_coverage”
“GL_EXT_compiled_vertex_array”
“GL_NV_shader_atomic_int64”
“GL_ARB_enhanced_layouts”
“GL_ARB_get_texture_sub_image”
“GL_ARB_cull_distance”
“GL_ARB_depth_clamp”
“GL_ARB_compute_shader”
“GL_ARB_texture_rectangle”
“GL_NV_alpha_to_coverage_dither_control”
“GL_NV_compute_program5”
“GL_EXT_texture_env_combine”
“GL_ARB_conservative_depth”
“GL_S3_s3tc”
“GL_NVX_nvenc_interop”
“GL_ARB_stencil_texturing”
“GL_ARB_point_parameters”
“GL_OVR_multiview2”
“GL_ARB_vertex_attrib_binding”
“GL_NV_float_buffer”
“GL_EXT_draw_range_elements”
“GL_NV_point_sprite”
“GL_EXT_texture_edge_clamp”
“GL_EXT_gpu_shader4”
“GL_EXT_texture_mirror_clamp”
“GL_EXT_semaphore”
“GL_ARB_half_float_pixel”
“GL_NV_conditional_render”
“GL_EXT_vertex_attrib_64bit”
“GL_EXT_multiview_timer_query”
“GL_ARB_compute_variable_group_size”
“GL_EXT_texture_sRGB_decode”
“GL_EXT_blend_minmax”
“GL_ARB_texture_multisample”
“GL_EXT_blend_color”
“GL_ARB_texture_barrier”
“GL_NV_parameter_buffer_object”
“GL_ARB_indirect_parameters”
“GL_ARB_ES3_compatibility”
“GL_ARB_vertex_shader”
“GL_ARB_internalformat_query2”
“GL_OVR_multiview”
“GL_ARB_fragment_coord_conventions”
“GL_NV_blend_minmax_factor”
“GL_EXT_texture_buffer_object”
“GL_NV_vertex_program2”
“GL_NV_vertex_program3”
“GL_NV_vdpau_interop2”
“GL_ARB_robustness”
“GL_ARB_texture_env_dot3”
“GL_ARB_draw_buffers”
“GL_NV_bindless_multi_draw_indirect”
“GL_ARB_occlusion_query”
“GL_ARB_vertex_type_2_10_10_10_rev”
“GL_ARB_derivative_control”
“GL_EXT_blend_subtract”
“GL_EXT_texture_compression_s3tc”
“GL_NV_blend_square”
“GL_ARB_multi_bind”
“GL_ARB_shader_draw_parameters”
“GL_EXT_multi_draw_arrays”
“GL_ARB_timer_query”
“GL_ARB_shading_language_packing”
“GL_ARB_depth_buffer_float”
“GL_ARB_texture_border_clamp”
“GL_NV_texgen_reflection”
“GL_EXT_texture_shared_exponent”
“GL_ARB_compatibility”
“GL_ARB_texture_storage_multisample”
“GL_ARB_fragment_layer_viewport”
“GL_ARB_texture_query_lod”
“GL_ARB_invalidate_subdata”
“GL_IBM_rasterpos_clip”
“GL_ARB_multitexture”
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsOpenGLES: true
isQtPreferOpenGLES: false
useBufferInvalidation (config option): false
Hardware Information
GPU Acceleration: auto
Memory: 16039 Mb
Number of Cores: 8
Swap Location: /tmp
Built for: sse2
Base instruction set: sse2
Supported instruction sets: sse4.1 ssse3 sse3 sse2
Current Settings
Current Swap Location: /tmp
Current Swap Location writable: true
Undo Enabled: true
Undo Stack Limit: 0
Use OpenGL: true
Use OpenGL Texture Buffer: true
Disable Vector Optimizations: false
Disable AVX Optimizations: false
Canvas State: OPENGL_SUCCESS
Autosave Interval: 0
Use Backup Files: true
Number of Backups Kept: 1
Backup File Suffix: ~
Backup Location: Same Folder as the File
Backup Location writable: false
Resource Location: /home/adminfrank/FWORK/Iso-Krita/5.1.5/krita-5.1.5.home/.local/share/krita
Use Win8 Pointer Input: false
Use RightMiddleTabletButton Workaround: false
Levels of Detail Enabled: false
Use Zip64: false
Loaded Python Plugins
colorspace
comics_project_management_tools
documenttools
exportlayers
filtermanager
lastdocumentsdocker
mixer_slider_docker
plugin_importer
quick_settings_docker
scripter
tenbrushes
tenscripts
Display Information
Number of screens: 2
Screen: 0
Name: DVI-D-1
Depth: 24
Scale: 1
Physical DPI96.2606
Logical DPI96.0118
Physical Size: 338, 270
Position: 1280, 0
Resolution in pixels: 1280x1024
Manufacturer: Dell Inc.
Model: DELL 1704FPV-
Refresh Rate: 60
Screen: 1
Name: DVI-D-0
Depth: 24
Scale: 1
Physical DPI96.2606
Logical DPI96.0118
Physical Size: 338, 270
Position: 0, 0
Resolution in pixels: 1280x1024
Manufacturer: Dell Inc.
Model: DELL 1704FPV-
Refresh Rate: 60
Edit:Add: In the bug report, I’ve noted an interesting variance from my earlier comments about a black canvas with large animated canvas size.