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Ok, I give up. VT8377 [KT400/KT600 AGP] at AGP 2x.
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spedrosa
n00b
n00b


Joined: 04 Oct 2002
Posts: 9

PostPosted: Mon Nov 08, 2004 1:21 pm    Post subject: Ok, I give up. VT8377 [KT400/KT600 AGP] at AGP 2x. Reply with quote

Alright, I've tried many things, searched the forum and the net, and came up with nothing. So I'm posting here.

I've noticed poor graphics performance on my freshly installed gentoo, and while investigating I've noticed this:

Code:

root@Elderbrain spedrosa # cat /proc/driver/nvidia/agp/card
Fast Writes:     Supported
SBA:             Not Supported
AGP Rates:       4x 2x 1x
Registers:       0x1f000017:0x1f000112

root@Elderbrain spedrosa # cat /proc/driver/nvidia/agp/host-bridge
Host Bridge:     VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host Bridge
Fast Writes:     Supported
SBA:             Supported
AGP Rates:       2x 1x
Registers:       0x1f000a13:0x00000112

root@Elderbrain spedrosa # cat /proc/driver/nvidia/agp/status
Status:          Enabled
Driver:          NVIDIA
AGP Rate:        2x
Fast Writes:     Enabled
SBA:             Disabled


glxinfo:

Code:

name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.3
server glx extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_SGIX_fbconfig,
    GLX_SGIX_pbuffer, GLX_SGI_video_sync, GLX_SGI_swap_control
client glx vendor string: NVIDIA Corporation
client glx version string: 1.3
client glx extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_visual_info,
    GLX_EXT_visual_rating, GLX_EXT_import_context, GLX_SGI_video_sync,
    GLX_NV_swap_group, GLX_NV_video_out, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
    GLX_SGI_swap_control, GLX_NV_float_buffer
GLX extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_SGIX_fbconfig,
    GLX_SGIX_pbuffer, GLX_SGI_video_sync, GLX_SGI_swap_control,
    GLX_ARB_get_proc_address
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce2 MX/AGP/SSE/3DNOW!
OpenGL version string: 1.5.2 NVIDIA 66.29
OpenGL extensions:
    GL_ARB_imaging, GL_ARB_multitexture, GL_ARB_point_parameters,
    GL_ARB_point_sprite, GL_ARB_shader_objects, GL_ARB_shading_language_100,
    GL_ARB_texture_compression, GL_ARB_texture_cube_map,
    GL_ARB_texture_env_add, GL_ARB_texture_env_combine,
    GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat,
    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_S3_s3tc, GL_EXT_texture_env_add, GL_EXT_abgr,
    GL_EXT_bgra, GL_EXT_blend_color, GL_EXT_blend_minmax,
    GL_EXT_blend_subtract, GL_EXT_clip_volume_hint,
    GL_EXT_compiled_vertex_array, GL_EXT_Cg_shader,
    GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_multi_draw_arrays,
    GL_EXT_packed_pixels, GL_EXT_paletted_texture, GL_EXT_pixel_buffer_object,
    GL_EXT_point_parameters, GL_EXT_rescale_normal, GL_EXT_secondary_color,
    GL_EXT_separate_specular_color, GL_EXT_shared_texture_palette,
    GL_EXT_stencil_wrap, GL_EXT_texture_compression_s3tc,
    GL_EXT_texture_cube_map, GL_EXT_texture_edge_clamp,
    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3,
    GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod,
    GL_EXT_texture_lod_bias, GL_EXT_texture_object, GL_EXT_vertex_array,
    GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat,
    GL_KTX_buffer_region, GL_NV_blend_square, GL_NV_fence,
    GL_NV_fog_distance, GL_NV_light_max_exponent, GL_NV_packed_depth_stencil,
    GL_NV_pixel_data_range, GL_NV_point_sprite, GL_NV_register_combiners,
    GL_NV_texgen_reflection, GL_NV_texture_env_combine4,
    GL_NV_texture_rectangle, GL_NV_vertex_array_range,
    GL_NV_vertex_array_range2, GL_NV_vertex_program, GL_NV_vertex_program1_1,
    GL_SGIS_generate_mipmap, GL_SGIS_multitexture, GL_SGIS_texture_lod,
    GL_SUN_slice_accum
glu version: 1.3
glu extensions:
    GLU_EXT_nurbs_tessellator, GLU_EXT_object_space_tess

   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
 id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
0x21 24 tc  0 32  0 r  y  .  8  8  8  0  4 24  8 16 16 16 16  0 0 None
0x22 24 dc  0 32  0 r  y  .  8  8  8  0  4 24  8 16 16 16 16  0 0 None
0x23 24 tc  0 32  0 r  y  .  8  8  8  8  4 24  8 16 16 16 16  0 0 None
0x24 24 tc  0 32  0 r  .  .  8  8  8  0  4 24  8 16 16 16 16  0 0 None
0x25 24 tc  0 32  0 r  .  .  8  8  8  8  4 24  8 16 16 16 16  0 0 None
0x26 24 tc  0 32  0 r  y  .  8  8  8  0  4 16  0 16 16 16 16  0 0 None
0x27 24 tc  0 32  0 r  y  .  8  8  8  8  4 16  0 16 16 16 16  0 0 None
0x28 24 tc  0 32  0 r  .  .  8  8  8  0  4 16  0 16 16 16 16  0 0 None
0x29 24 tc  0 32  0 r  .  .  8  8  8  8  4 16  0 16 16 16 16  0 0 None
0x2a 24 tc  0 32  0 r  y  .  8  8  8  0  4  0  0 16 16 16 16  0 0 None
0x2b 24 tc  0 32  0 r  y  .  8  8  8  8  4  0  0 16 16 16 16  0 0 None
0x2c 24 tc  0 32  0 r  .  .  8  8  8  0  4  0  0 16 16 16 16  0 0 None
0x2d 24 tc  0 32  0 r  .  .  8  8  8  8  4  0  0 16 16 16 16  0 0 None
0x2e 24 dc  0 32  0 r  y  .  8  8  8  8  4 24  8 16 16 16 16  0 0 None
0x2f 24 dc  0 32  0 r  .  .  8  8  8  0  4 24  8 16 16 16 16  0 0 None
0x30 24 dc  0 32  0 r  .  .  8  8  8  8  4 24  8 16 16 16 16  0 0 None
0x31 24 dc  0 32  0 r  y  .  8  8  8  0  4 16  0 16 16 16 16  0 0 None
0x32 24 dc  0 32  0 r  y  .  8  8  8  8  4 16  0 16 16 16 16  0 0 None
0x33 24 dc  0 32  0 r  .  .  8  8  8  0  4 16  0 16 16 16 16  0 0 None
0x34 24 dc  0 32  0 r  .  .  8  8  8  8  4 16  0 16 16 16 16  0 0 None
0x35 24 dc  0 32  0 r  y  .  8  8  8  0  4  0  0 16 16 16 16  0 0 None
0x36 24 dc  0 32  0 r  y  .  8  8  8  8  4  0  0 16 16 16 16  0 0 None
0x37 24 dc  0 32  0 r  .  .  8  8  8  0  4  0  0 16 16 16 16  0 0 None
0x38 24 dc  0 32  0 r  .  .  8  8  8  8  4  0  0 16 16 16 16  0 0 None



So, the weird thing is that it says it chipset only supports 2x, while it should go up 8x. The card should be running at 4x then.

I've tried changing bios settings, from auto to 4x, to no avail. I've tried using both agpgart and the nvidia gart but no luck.

I've tried to switch drivers, I'm currently using nvidia-1.0.6111-r3.

There's a second problem. As soon as I start X, the opengl performance is somewhat slow, but tolerable. But at some point, glxgears start stuttering, and it drops miserably.

Any ideas?
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fctk
Veteran
Veteran


Joined: 28 Jan 2004
Posts: 1424
Location: Milan, Italy, EU

PostPosted: Wed Nov 10, 2004 9:16 pm    Post subject: Reply with quote

did you read this? http://www.gentoo.org/doc/en/nvidia-guide.xml
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Crocodil
Apprentice
Apprentice


Joined: 06 May 2004
Posts: 163
Location: Poznan, Poland

PostPosted: Wed Nov 10, 2004 9:59 pm    Post subject: Reply with quote

Hi :)

What a coinsidence... I had a similiar AGP problem just today and I got it solved:

https://forums.gentoo.org/viewtopic.php?t=249894

Maybe this will also help:

https://forums.gentoo.org/viewtopic.php?t=232140

I can't help you with the other problem though... :?

Regards,

Crocodil
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