I can confirm that bug in xubuntu 14.04 (nvidia-driver version 304.125),
XFCE4's compositor disabled.
the part from "glxinfo" output:
""
name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
server glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
GLX_ARB_multisample, GLX_EXT_create_context_es2_profile,
GLX_EXT_create_context_es_profile, GLX_EXT_swap_control,
GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap,
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_NV_float_buffer,
GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_swap_control,
GLX_SGI_video_sync
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4
client glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_create_context_es2_profile, GLX_EXT_fbconfig_packed_float,
GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context, GLX_EXT_swap_control,
GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap,
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_NV_copy_image,
GLX_NV_float_buffer, GLX_NV_multisample_coverage, GLX_NV_present_video,
GLX_NV_swap_group, GLX_NV_video_capture, GLX_NV_video_out,
GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_swap_control,
GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_create_context_es2_profile, GLX_EXT_swap_control,
GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap,
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_NV_float_buffer,
GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_swap_control,
GLX_SGI_video_sync
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 7900 GS/PCIe/SSE2
OpenGL version string: 2.1.2 NVIDIA 304.125
OpenGL shading language version string: 1.20 NVIDIA via Cg compiler
OpenGL extensions:
GL_ARB_ES2_compatibility, GL_ARB_color_buffer_float,
GL_ARB_compressed_texture_pixel_storage, GL_ARB_conservative_depth,
GL_ARB_copy_buffer, GL_ARB_depth_clamp, GL_ARB_depth_texture,
GL_ARB_draw_buffers, GL_ARB_explicit_attrib_location,
GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
GL_ARB_fragment_shader, GL_ARB_framebuffer_object,
GL_ARB_get_program_binary, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_imaging, GL_ARB_internalformat_query,
GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range, GL_ARB_multisample,
GL_ARB_multitexture, GL_ARB_occlusion_query, GL_ARB_occlusion_query2,
GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite,
GL_ARB_provoking_vertex, GL_ARB_robustness, GL_ARB_sampler_objects,
GL_ARB_separate_shader_objects, GL_ARB_shader_objects,
GL_ARB_shading_language_100, GL_ARB_shading_language_420pack,
GL_ARB_shading_language_include, GL_ARB_shadow, GL_ARB_sync,
GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
GL_ARB_texture_cube_map, GL_ARB_texture_env_add,
GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar,
GL_ARB_texture_env_dot3, GL_ARB_texture_float,
GL_ARB_texture_mirrored_repeat, GL_ARB_texture_non_power_of_two,
GL_ARB_texture_rectangle, GL_ARB_texture_rg, GL_ARB_texture_storage,
GL_ARB_texture_swizzle, GL_ARB_timer_query, GL_ARB_transpose_matrix,
GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object,
GL_ARB_vertex_buffer_object, GL_ARB_vertex_program, GL_ARB_vertex_shader,
GL_ARB_window_pos, GL_ATI_draw_buffers, GL_ATI_texture_float,
GL_ATI_texture_mirror_once, GL_EXT_Cg_shader, GL_EXT_abgr, GL_EXT_bgra,
GL_EXT_blend_color, GL_EXT_blend_equation_separate,
GL_EXT_blend_func_separate, GL_EXT_blend_minmax, GL_EXT_blend_subtract,
GL_EXT_compiled_vertex_array, GL_EXT_depth_bounds_test,
GL_EXT_direct_state_access, GL_EXT_draw_range_elements, GL_EXT_fog_coord,
GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
GL_EXT_framebuffer_object, GL_EXT_gpu_program_parameters,
GL_EXT_import_sync_object, GL_EXT_multi_draw_arrays,
GL_EXT_packed_depth_stencil, GL_EXT_packed_pixels,
GL_EXT_pixel_buffer_object, GL_EXT_point_parameters,
GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color,
GL_EXT_separate_shader_objects, GL_EXT_separate_specular_color,
GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, GL_EXT_stencil_wrap,
GL_EXT_texture3D, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map,
GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add,
GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_format_BGRA8888,
GL_EXT_texture_lod, GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp,
GL_EXT_texture_object, GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_decode,
GL_EXT_texture_storage, GL_EXT_texture_swizzle, GL_EXT_timer_query,
GL_EXT_vertex_array, GL_EXT_vertex_array_bgra, GL_EXT_x11_sync_object,
GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat,
GL_KTX_buffer_region, GL_NVX_conditional_render,
GL_NV_ES1_1_compatibility, GL_NV_alpha_test, GL_NV_blend_minmax,
GL_NV_blend_square, GL_NV_complex_primitives, GL_NV_copy_depth_to_color,
GL_NV_depth_clamp, GL_NV_fbo_color_attachments, GL_NV_fence,
GL_NV_float_buffer, GL_NV_fog_distance, GL_NV_fragdepth,
GL_NV_fragment_program, GL_NV_fragment_program2,
GL_NV_fragment_program_option, GL_NV_framebuffer_multisample_coverage,
GL_NV_half_float, GL_NV_light_max_exponent, GL_NV_multisample_filter_hint,
GL_NV_occlusion_query, GL_NV_packed_depth_stencil, GL_NV_pixel_data_range,
GL_NV_point_sprite, GL_NV_primitive_restart, GL_NV_register_combiners,
GL_NV_register_combiners2, GL_NV_texgen_reflection, GL_NV_texture_barrier,
GL_NV_texture_compression_vtc, GL_NV_texture_env_combine4,
GL_NV_texture_expand_normal, GL_NV_texture_lod_clamp,
GL_NV_texture_rectangle, GL_NV_texture_shader, GL_NV_texture_shader2,
GL_NV_texture_shader3, GL_NV_vertex_array_range,
GL_NV_vertex_array_range2, GL_NV_vertex_program, GL_NV_vertex_program1_1,
GL_NV_vertex_program2, GL_NV_vertex_program2_option,
GL_NV_vertex_program3, GL_OES_compressed_paletted_texture, GL_OES_depth24,
GL_OES_depth32, GL_OES_depth_texture, GL_OES_element_index_uint,
GL_OES_fbo_render_mipmap, GL_OES_get_program_binary, GL_OES_mapbuffer,
GL_OES_packed_depth_stencil, GL_OES_point_size_array, GL_OES_point_sprite,
GL_OES_read_format, GL_OES_rgb8_rgba8, GL_OES_standard_derivatives,
GL_OES_texture_3D, GL_OES_texture_float, GL_OES_texture_float_linear,
GL_OES_texture_half_float, GL_OES_texture_half_float_linear,
GL_OES_texture_npot, GL_OES_vertex_array_object, GL_OES_vertex_half_float,
GL_S3_s3tc, GL_SGIS_generate_mipmap, GL_SGIS_texture_lod,
GL_SGIX_depth_texture, GL_SGIX_shadow, GL_SUN_slice_accum
""
I applied all available xubuntu updates at this moment, but the bug
still persists. tried to switchto FluxBox DE, nothing changed.
--
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which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1374976
Title:
Screen tearing Nvidia - since Kubuntu 14.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1374976/+subscriptions
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