Errors with VBLSyncTest and Screen('Flip')

1
I am on a Toshiba Satellite P-200 with ATI Mobility Radeon 2600 4Gb
Ram Vista Ultimate. I was trying to do the very first tutorial and I
cannot even open the window without having errors. I have tried
everything I could find. I fixed the beamposition error by disabling
my antivirus but still cannot get anything on VBLsync or get anything
with Screen('Flip'). Thanks
David


>> VBLSyncTest()

screenwidth =

1680


screenheight =

1050



PTB-INFO: This is the OpenGL-Psychtoolbox for Microsoft Windows,
version 3.0.8. (Build date: Apr 16 2008)
PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version
information.
PTB-INFO: Psychtoolbox is licensed to you under terms of the GNU
General Public License (GPL). See file 'License.txt' in the
PTB-INFO: Psychtoolbox root folder for a copy of the GPL license.



OpenGL-Extensions are: GL_ARB_depth_texture GL_ARB_draw_buffers
GL_ARB_fragment_program GL_ARB_fragment_shader GL_ARB_multisample
GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_point_parameters
GL_ARB_shader_objects GL_ARB_shading_language_100 GL_ARB_shadow
GL_ARB_shadow_ambient 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_transpose_matrix GL_ARB_vertex_buffer_object
GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_window_pos
GL_ATI_draw_buffers GL_ATI_envmap_bumpmap GL_ATI_fragment_shader
GL_ATI_meminfo GL_ATI_separate_stencil GL_ATI_texture_compression_3dc
GL_ATI_texture_env_combine3 GL_ATI_texture_float GL_EXT_bgra
GL_EXT_blend_color GL_EXT_blend_func_separate GL_EXT_blend_minmax
GL_EXT_blend_subtract GL_EXT_compiled_vertex_array
GL_EXT_copy_texture GL_EXT_draw_range_elements GL_EXT_fog_coord
GL_EXT_framebuffer_object GL_EXT_multi_draw_arrays
GL_EXT_packed_depth_stencil GL_EXT_packed_pixels
GL_EXT_point_parameters GL_EXT_rescale_normal GL_EXT_secondary_color
GL_EXT_separate_specular_color GL_EXT_shadow_funcs
GL_EXT_stencil_wrap GL_EXT_subtexture GL_EXT_texgen_reflection
GL_EXT_texture3D 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_lod_bias GL_EXT_texture_mirror_clamp
GL_EXT_texture_object GL_EXT_texture_rectangle GL_EXT_vertex_array
GL_KTX_buffer_region GL_NV_blend_square GL_NV_texgen_reflection
GL_SGIS_generate_mipmap GL_SGIS_texture_edge_clamp
GL_SGIS_texture_lod GL_WIN_swap_hint WGL_EXT_swap_control

PTB-ERROR: Mismatch between requested display swap interval 1 and
actual swap interval 0! Synchronization of Screen('Flip') to display
refresh will likely malfunction!
PTB-ERROR: This is either a bug in your graphics driver or system
setup, or some misconfiguration in the display setting control panel
of your system. See 'help SyncTrouble' for more info.
PTB-WARNING: Couldn't even collect one single valid flip interval
sample! Sanity range checks failed!
PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
sync failure!
PTB-WARNING: Couldn't even collect one single valid flip interval
sample! Sanity range checks failed!
PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
sync failure!
PTB-WARNING: Couldn't even collect one single valid flip interval
sample! Sanity range checks failed!
PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
sync failure!


PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Mobility
Radeon HD 2600 :: 2.0.6479 Release
PTB-Info: VBL startline = 1050 , VBL Endline = 1095
PTB-Info: Measured monitor refresh interval from beamposition =
17.009855 ms [58.789449 Hz].
PTB-Info: Will use beamposition query for accurate Flip time stamping.
PTB-Info: Measured monitor refresh interval from VBLsync = 0.000000
ms [1.#INF00 Hz]. (0 valid samples taken, stddev=1000000000.000000
ms.)
PTB-Info: Reported monitor refresh interval from operating system =
16.949153 ms [59.000000 Hz].
PTB-Info: Small deviations between reported values are normal and no
reason to worry.

WARNING: Couldn't compute a reliable estimate of monitor refresh
interval! Trouble with VBL syncing?!?

WARNING: Mismatch between measured monitor refresh interval and
interval reported by operating system.
This indicates massive problems with VBL sync.

WARNING: Measured monitor refresh interval indicates a display
refresh of less than 25 Hz or more than 250 Hz?!?
This indicates massive problems with VBL sync.


----- ! PTB - ERROR: SYNCHRONIZATION FAILURE ! ----

One or more internal checks (see Warnings above) indicate that
synchronization
of Psychtoolbox to the vertical retrace (VBL) is not working on your
setup.

This will seriously impair proper stimulus presentation and stimulus
presentation timing!
Please read 'help SyncTrouble' for information about how to solve or
work-around the problem.
You can force Psychtoolbox to continue, despite the severe problems,
by adding the command
Screen('Preference', 'SkipSyncTests', 1); at the top of your script,
if you really know what you are doing.
2
Card isn't syncing to vertical retrace, because the driver
prevents it/its disabled...

1. Open the Catalyst Control Center panel (display settings).
2. In the "3D settings" subsection, look for a control slider or
such that is called "Wait for vertical refresh" or similar. Make
sure it is set to "Application controlled, default to on" or similar.
I guess yours is set to "always off" or similar?

If that doesn't help, follow the thread of messages around
message 8013 that describes a similar problem with the
Radeon 2600 XT on Vista.

-mario

--- In psychtoolbox@yahoogroups.com, "yingyang215" <yingyang215@...> wrote:
>
> I am on a Toshiba Satellite P-200 with ATI Mobility Radeon 2600 4Gb
> Ram Vista Ultimate. I was trying to do the very first tutorial and I
> cannot even open the window without having errors. I have tried
> everything I could find. I fixed the beamposition error by disabling
> my antivirus but still cannot get anything on VBLsync or get anything
> with Screen('Flip'). Thanks
> David
>
>
> >> VBLSyncTest()
>
> screenwidth =
>
> 1680
>
>
> screenheight =
>
> 1050
>
>
>
> PTB-INFO: This is the OpenGL-Psychtoolbox for Microsoft Windows,
> version 3.0.8. (Build date: Apr 16 2008)
> PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version
> information.
> PTB-INFO: Psychtoolbox is licensed to you under terms of the GNU
> General Public License (GPL). See file 'License.txt' in the
> PTB-INFO: Psychtoolbox root folder for a copy of the GPL license.
>
>
>
> OpenGL-Extensions are: GL_ARB_depth_texture GL_ARB_draw_buffers
> GL_ARB_fragment_program GL_ARB_fragment_shader GL_ARB_multisample
> GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_point_parameters
> GL_ARB_shader_objects GL_ARB_shading_language_100 GL_ARB_shadow
> GL_ARB_shadow_ambient 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_transpose_matrix GL_ARB_vertex_buffer_object
> GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_window_pos
> GL_ATI_draw_buffers GL_ATI_envmap_bumpmap GL_ATI_fragment_shader
> GL_ATI_meminfo GL_ATI_separate_stencil GL_ATI_texture_compression_3dc
> GL_ATI_texture_env_combine3 GL_ATI_texture_float GL_EXT_bgra
> GL_EXT_blend_color GL_EXT_blend_func_separate GL_EXT_blend_minmax
> GL_EXT_blend_subtract GL_EXT_compiled_vertex_array
> GL_EXT_copy_texture GL_EXT_draw_range_elements GL_EXT_fog_coord
> GL_EXT_framebuffer_object GL_EXT_multi_draw_arrays
> GL_EXT_packed_depth_stencil GL_EXT_packed_pixels
> GL_EXT_point_parameters GL_EXT_rescale_normal GL_EXT_secondary_color
> GL_EXT_separate_specular_color GL_EXT_shadow_funcs
> GL_EXT_stencil_wrap GL_EXT_subtexture GL_EXT_texgen_reflection
> GL_EXT_texture3D 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_lod_bias GL_EXT_texture_mirror_clamp
> GL_EXT_texture_object GL_EXT_texture_rectangle GL_EXT_vertex_array
> GL_KTX_buffer_region GL_NV_blend_square GL_NV_texgen_reflection
> GL_SGIS_generate_mipmap GL_SGIS_texture_edge_clamp
> GL_SGIS_texture_lod GL_WIN_swap_hint WGL_EXT_swap_control
>
> PTB-ERROR: Mismatch between requested display swap interval 1 and
> actual swap interval 0! Synchronization of Screen('Flip') to display
> refresh will likely malfunction!
> PTB-ERROR: This is either a bug in your graphics driver or system
> setup, or some misconfiguration in the display setting control panel
> of your system. See 'help SyncTrouble' for more info.
> PTB-WARNING: Couldn't even collect one single valid flip interval
> sample! Sanity range checks failed!
> PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
> sync failure!
> PTB-WARNING: Couldn't even collect one single valid flip interval
> sample! Sanity range checks failed!
> PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
> sync failure!
> PTB-WARNING: Couldn't even collect one single valid flip interval
> sample! Sanity range checks failed!
> PTB-WARNING: Couldn't collect valid flip interval samples! Fatal VBL
> sync failure!
>
>
> PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Mobility
> Radeon HD 2600 :: 2.0.6479 Release
> PTB-Info: VBL startline = 1050 , VBL Endline = 1095
> PTB-Info: Measured monitor refresh interval from beamposition =
> 17.009855 ms [58.789449 Hz].
> PTB-Info: Will use beamposition query for accurate Flip time stamping.
> PTB-Info: Measured monitor refresh interval from VBLsync = 0.000000
> ms [1.#INF00 Hz]. (0 valid samples taken, stddev=1000000000.000000
> ms.)
> PTB-Info: Reported monitor refresh interval from operating system =
> 16.949153 ms [59.000000 Hz].
> PTB-Info: Small deviations between reported values are normal and no
> reason to worry.
>
> WARNING: Couldn't compute a reliable estimate of monitor refresh
> interval! Trouble with VBL syncing?!?
>
> WARNING: Mismatch between measured monitor refresh interval and
> interval reported by operating system.
> This indicates massive problems with VBL sync.
>
> WARNING: Measured monitor refresh interval indicates a display
> refresh of less than 25 Hz or more than 250 Hz?!?
> This indicates massive problems with VBL sync.
>
>
> ----- ! PTB - ERROR: SYNCHRONIZATION FAILURE ! ----
>
> One or more internal checks (see Warnings above) indicate that
> synchronization
> of Psychtoolbox to the vertical retrace (VBL) is not working on your
> setup.
>
> This will seriously impair proper stimulus presentation and stimulus
> presentation timing!
> Please read 'help SyncTrouble' for information about how to solve or
> work-around the problem.
> You can force Psychtoolbox to continue, despite the severe problems,
> by adding the command
> Screen('Preference', 'SkipSyncTests', 1); at the top of your script,
> if you really know what you are doing.
>