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Lost a lot of graphics capability

Posted on 2008-10-16
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Last Modified: 2013-11-15
A software change on my computer (I'm not sure what caused it) has caused me to lose a lot of graphics ability on my Compaq Presario C306US running Ubuntu 8.04 Hardy Heron.  Before, I could use the "Extra" setting in Visual Effects without suffering a performance hit but can now only use "None" to get good performance.  Also, some games I play now require lower graphics settings or I get under 10FPS, where I used to get 30.  I have confirmed this is a software problem by booting with a LiveCD, and everything worked the way it used to there.  Also, possibly related, the 2.6.24-19-openvz kernel could use my graphics card without a problem, but 2.6.24-21-openvz will only start in low graphics mode.  For now, I have to use 2.6.24-21-generic.
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Question by:jackmcbarn
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by:larsga
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According to google, the 306US has an Intel 950 GMA graphics adapter (probably a 945GM / GME chipset)

I am not familiar with any recent changes/updates to Ubuntu Hardy that would have a negative impact on the performance of the GMA 950. However, you might check the xorg log ('less /var/log/Xorg.0.log' on the command line or Administration | System Log | Xorg.0.log in the gui) and syslog to see if there are any error messages related to "dri" "glx" "i915".
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by:jackmcbarn
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I see this:

(WW) AIGLX: 3D driver claims to not support visual 0x23

(WW) AIGLX: 3D driver claims to not support visual 0x24

(WW) AIGLX: 3D driver claims to not support visual 0x25

(WW) AIGLX: 3D driver claims to not support visual 0x26

(WW) AIGLX: 3D driver claims to not support visual 0x27

(WW) AIGLX: 3D driver claims to not support visual 0x28

(WW) AIGLX: 3D driver claims to not support visual 0x29

(WW) AIGLX: 3D driver claims to not support visual 0x2a

(WW) AIGLX: 3D driver claims to not support visual 0x2b

(WW) AIGLX: 3D driver claims to not support visual 0x2c

(WW) AIGLX: 3D driver claims to not support visual 0x2d

(WW) AIGLX: 3D driver claims to not support visual 0x2e

(WW) AIGLX: 3D driver claims to not support visual 0x2f

(WW) AIGLX: 3D driver claims to not support visual 0x30

(WW) AIGLX: 3D driver claims to not support visual 0x31

(WW) AIGLX: 3D driver claims to not support visual 0x32

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by:larsga
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Hmm. What is the output of the command 'glxinfo'?
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by:jackmcbarn
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This:
name of display: :0.0

display: :0  screen: 0

direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)

server glx vendor string: SGI

server glx version string: 1.2

server glx extensions:

    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 

    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 

    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group

client glx vendor string: SGI

client glx version string: 1.4

client glx extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, 

    GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method, 

    GLX_OML_sync_control, GLX_SGI_make_current_read, GLX_SGI_swap_control, 

    GLX_SGI_video_sync, GLX_SGIS_multisample, GLX_SGIX_fbconfig, 

    GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 

    GLX_EXT_texture_from_pixmap

GLX version: 1.2

GLX extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_OML_swap_method, 

    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGIS_multisample, 

    GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group, 

    GLX_EXT_texture_from_pixmap

OpenGL vendor string: Tungsten Graphics, Inc

OpenGL renderer string: Mesa DRI Intel(R) 945GM 20061017 x86/MMX/SSE2

OpenGL version string: 1.3 Mesa 7.0.3-rc2

OpenGL extensions:

    GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging, 

    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_point_parameters, 

    GL_ARB_shadow, 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_mirrored_repeat, 

    GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, GL_ARB_vertex_program, 

    GL_ARB_window_pos, 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_clip_volume_hint, 

    GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 

    GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_point_parameters, 

    GL_EXT_polygon_offset, 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_texture, GL_EXT_texture3D, 

    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add, 

    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 

    GL_EXT_texture_lod_bias, GL_EXT_texture_object, GL_EXT_texture_rectangle, 

    GL_EXT_vertex_array, GL_3DFX_texture_compression_FXT1, 

    GL_APPLE_packed_pixels, GL_IBM_texture_mirrored_repeat, 

    GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 

    GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texgen_reflection, 

    GL_NV_texture_rectangle, GL_NV_vertex_program, GL_NV_vertex_program1_1, 

    GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_generate_mipmap, 

    GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, 

    GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SUN_multi_draw_arrays
 

   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

----------------------------------------------------------------------

0x23 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x24 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x27 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x28 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x29 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2a 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2b 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2c 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2d 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2e 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2f 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x30 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x31 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x32 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x57 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

Segmentation fault

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by:jackmcbarn
Comment Utility
I'm going to see what that looks like from the LiveCD as well.
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by:jackmcbarn
Comment Utility
And here it is from the Ubuntu Hardy LiveCD:

name of display: :0.0

display: :0  screen: 0

direct rendering: Yes

server glx vendor string: SGI

server glx version string: 1.2

server glx extensions:

    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 

    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 

    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group

client glx vendor string: SGI

client glx version string: 1.4

client glx extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, 

    GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, 

    GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_OML_sync_control, 

    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync, 

    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 

    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap

GLX version: 1.2

GLX extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, 

    GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, 

    GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_SGI_make_current_read, 

    GLX_SGI_swap_control, GLX_SGI_video_sync, GLX_SGIS_multisample, 

    GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group

OpenGL vendor string: Tungsten Graphics, Inc

OpenGL renderer string: Mesa DRI Intel(R) 945GM 20061017 x86/MMX/SSE2

OpenGL version string: 1.3 Mesa 7.0.3-rc2

OpenGL extensions:

    GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging, 

    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_point_parameters, 

    GL_ARB_shadow, 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_mirrored_repeat, 

    GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, 

    GL_ARB_vertex_buffer_object, GL_ARB_vertex_program, GL_ARB_window_pos, 

    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_clip_volume_hint, 

    GL_EXT_cull_vertex, GL_EXT_compiled_vertex_array, GL_EXT_convolution, 

    GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 

    GL_EXT_histogram, GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, 

    GL_EXT_point_parameters, GL_EXT_polygon_offset, 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_texture, GL_EXT_texture3D, 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_object, GL_EXT_texture_rectangle, 

    GL_EXT_vertex_array, GL_3DFX_texture_compression_FXT1, 

    GL_APPLE_client_storage, GL_APPLE_packed_pixels, 

    GL_ATI_blend_equation_separate, GL_IBM_rasterpos_clip, 

    GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, 

    GL_MESA_pack_invert, GL_MESA_ycbcr_texture, GL_MESA_window_pos, 

    GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texture_rectangle, 

    GL_NV_texgen_reflection, GL_NV_vertex_program, GL_NV_vertex_program1_1, 

    GL_OES_read_format, GL_SGI_color_matrix, GL_SGI_color_table, 

    GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, 

    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SGIX_depth_texture, 

    GL_SUN_multi_draw_arrays
 

   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

----------------------------------------------------------------------

0x23 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x24 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x27 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x28 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x29 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2a 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2b 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2c 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2d 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2e 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2f 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x30 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x31 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x32 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x57 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

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by:larsga
Comment Utility
"direct rendering: No"

Not good. drm/dri is probably failing to load for some reason. Can you find anything else in the logs related to that?
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by:larsga
Comment Utility
Do 'lsmod', do you see "i915" and "drm" listed? If not, look through the logs and see if you find any error message indicating that they failed to load for some reason.
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by:jackmcbarn
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Got these lines from lsmod:

i915                   32512  2 

drm                    82452  3 i915

agpgart                34760  3 drm,intel_agp

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by:jackmcbarn
Comment Utility
More in the logs:

$ more /var/log/Xorg.0.log | grep -i drm

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: open result is -1, (No such device or address)

drmOpenDevice: open result is -1, (No such device or address)

drmOpenDevice: Open failed

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: open result is -1, (No such device or address)

drmOpenDevice: open result is -1, (No such device or address)

drmOpenDevice: Open failed

drmOpenByBusid: Searching for BusID pci:0000:00:02.0

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: open result is 10, (OK)

drmOpenByBusid: drmOpenMinor returns 10

drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0

(II) [drm] loaded kernel module for "i915" driver.

(II) [drm] DRM interface version 1.3

(II) [drm] DRM open master succeeded.

(II) intel(0): [drm] Using the DRM lock SAREA also for drawables.

(II) intel(0): [drm] framebuffer mapped by ddx driver

(II) intel(0): [drm] added 1 reserved context for kernel

(II) intel(0): [drm] installed DRM signal handler

(II) intel(0): [drm] Registers = 0xd0200000

(II) intel(0): [drm] ring buffer = 0xc0000000

(II) intel(0): [drm] mapped front buffer at 0xc1000000, handle = 0xc1000000

(II) intel(0): [drm] mapped back buffer at 0xc4000000, handle = 0xc4000000

(II) intel(0): [drm] mapped depth buffer at 0xc5000000, handle = 0xc5000000

(II) intel(0): [drm] mapped classic textures at 0xc6000000, handle = 0xc6000000

(II) intel(0): [drm] Initialized kernel agp heap manager, 33554432

(II) intel(0): [drm] dma control initialized, using IRQ 20

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: open result is 11, (OK)

drmOpenByBusid: Searching for BusID pci:0000:00:02.0

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: open result is 11, (OK)

drmOpenByBusid: drmOpenMinor returns 11

drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0

$ more /var/log/Xorg.0.log | grep -i dri

	X.Org Video Driver: 2.0

	X.Org XInput driver : 2.0

	ABI class: X.Org Video Driver, version 2.0

(II) LoadModule: "dri"

(II) Loading /usr/lib/xorg/modules/extensions//libdri.so

(II) Module dri: vendor="X.Org Foundation"

(II) Loading extension XFree86-DRI

(==) Matched intel for the autoconfigured driver

(==) Assigned the driver to the xf86ConfigLayout

(II) Loading /usr/lib/xorg/modules/drivers//intel_drv.so

	Module class: X.Org Video Driver

	ABI class: X.Org Video Driver, version 2.0

	Module class: X.Org XInput Driver

	ABI class: X.Org XInput driver, version 2.0

	Module class: X.Org XInput Driver

	ABI class: X.Org XInput driver, version 2.0

	Module class: X.Org XInput Driver

	ABI class: X.Org XInput driver, version 2.0

(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,

	ABI class: X.Org Video Driver, version 2.0

	ABI class: X.Org Video Driver, version 2.0

	ABI class: X.Org Video Driver, version 2.0

	ABI class: X.Org Video Driver, version 2.0

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: node name is /dev/dri/card0

(II) [drm] loaded kernel module for "i915" driver.

(II) intel(0): [drm] framebuffer mapped by ddx driver

(II) intel(0): [dri] visual configs initialized

(II) EXA(0): Driver registered support for the following operations:

(II) intel(0): [DRI] installation complete

drmOpenDevice: node name is /dev/dri/card0

drmOpenDevice: node name is /dev/dri/card0

(WW) AIGLX: 3D driver claims to not support visual 0x23

(WW) AIGLX: 3D driver claims to not support visual 0x24

(WW) AIGLX: 3D driver claims to not support visual 0x25

(WW) AIGLX: 3D driver claims to not support visual 0x26

(WW) AIGLX: 3D driver claims to not support visual 0x27

(WW) AIGLX: 3D driver claims to not support visual 0x28

(WW) AIGLX: 3D driver claims to not support visual 0x29

(WW) AIGLX: 3D driver claims to not support visual 0x2a

(WW) AIGLX: 3D driver claims to not support visual 0x2b

(WW) AIGLX: 3D driver claims to not support visual 0x2c

(WW) AIGLX: 3D driver claims to not support visual 0x2d

(WW) AIGLX: 3D driver claims to not support visual 0x2e

(WW) AIGLX: 3D driver claims to not support visual 0x2f

(WW) AIGLX: 3D driver claims to not support visual 0x30

(WW) AIGLX: 3D driver claims to not support visual 0x31

(WW) AIGLX: 3D driver claims to not support visual 0x32

(II) AIGLX: Loaded and initialized /usr/lib/dri/i915_dri.so

(II) GLX: Initialized DRI GL provider for screen 0

(II) Synaptics touchpad driver version 0.14.6 (1406)

$ 

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by:jackmcbarn
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Also, this problem seems to have started when I first started playing Sauerbraten.  It caused my computer to hang and require a restart twice.  Could it be related?
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by:jackmcbarn
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Update: tried a friend's suggestion of adding this to the Device section of xorg.conf, to no avail:

        Option          "MigrationHeuristic"    "greedy"

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by:larsga
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Can you give the output of 'LIBGL_DEBUG=verbose glxinfo'?
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by:jackmcbarn
Comment Utility
Here:
name of display: :0.0

libGL: XF86DRIGetClientDriverName: 1.9.0 i915 (screen 0)

libGL: OpenDriver: trying /usr/lib/dri/i915_dri.so

libGL error: dlopen /usr/lib/dri/i915_dri.so failed (/usr/lib/dri/i915_dri.so: undefined symbol: _glapi_Dispatch)

libGL error: unable to load driver: i915_dri.so

display: :0  screen: 0

direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)

server glx vendor string: SGI

server glx version string: 1.2

server glx extensions:

    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 

    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 

    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group

client glx vendor string: SGI

client glx version string: 1.4

client glx extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, 

    GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method, 

    GLX_OML_sync_control, GLX_SGI_make_current_read, GLX_SGI_swap_control, 

    GLX_SGI_video_sync, GLX_SGIS_multisample, GLX_SGIX_fbconfig, 

    GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 

    GLX_EXT_texture_from_pixmap

GLX version: 1.2

GLX extensions:

    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 

    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_OML_swap_method, 

    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGIS_multisample, 

    GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group, 

    GLX_EXT_texture_from_pixmap

OpenGL vendor string: Tungsten Graphics, Inc

OpenGL renderer string: Mesa DRI Intel(R) 945GM 20061017 x86/MMX/SSE2

OpenGL version string: 1.3 Mesa 7.0.3-rc2

OpenGL extensions:

    GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging, 

    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_point_parameters, 

    GL_ARB_shadow, 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_mirrored_repeat, 

    GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, GL_ARB_vertex_program, 

    GL_ARB_window_pos, 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_clip_volume_hint, 

    GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 

    GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_point_parameters, 

    GL_EXT_polygon_offset, 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_texture, GL_EXT_texture3D, 

    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add, 

    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 

    GL_EXT_texture_lod_bias, GL_EXT_texture_object, GL_EXT_texture_rectangle, 

    GL_EXT_vertex_array, GL_3DFX_texture_compression_FXT1, 

    GL_APPLE_packed_pixels, GL_IBM_texture_mirrored_repeat, 

    GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 

    GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texgen_reflection, 

    GL_NV_texture_rectangle, GL_NV_vertex_program, GL_NV_vertex_program1_1, 

    GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_generate_mipmap, 

    GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, 

    GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SUN_multi_draw_arrays
 

   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

----------------------------------------------------------------------

0x23 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x24 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x27 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x28 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x29 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2a 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x2b 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2c 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

0x2d 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2e 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None

0x2f 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x30 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow

0x31 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x32 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

0x57 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

Segmentation fault

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Accepted Solution

by:
larsga earned 170 total points
Comment Utility
I think I might finally have found what the problem is.

Do a
sudo apt-get remove xorg-driver-fglrx

Then try
LIBGL_DEBUG=verbose glxinfo

and tell me if the LibGL errors disappeared and if "direct rendering: No" changed to Yes.
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LVL 4

Author Comment

by:jackmcbarn
Comment Utility
That did put direct rendering back to yes and fix the LibGL errors.  How was that package causing the problem anyway?
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LVL 4

Expert Comment

by:larsga
Comment Utility
Did it fix your performance problems?

As for the exact reason why, I'm not sure. Some people having the same problem/symptoms that you have managed to fix it by removing the fglrx package. From the discussions I could find on the problem, the cause is probably that either a kernel module (i.e. a driver) or a background deamon included in the fglrx package interferes with loading the proper _dri.so for your graphics chip.

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Author Comment

by:jackmcbarn
Comment Utility
That fixed the performance problems in all kernels except 2.6.24-21-openvz.  It still boots into Low Graphics mode there, but everything else is fine.
0
 
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Expert Comment

by:larsga
Comment Utility
That's one down, one to go. ;-p

Do you see any obvious differences in lsmod, /var/log/syslog and /var/log/Xorg.0.log when running 21-openvz compared to other kernels? i915, dri/drm would probably be the things to look for but there might be other causes.
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LVL 4

Author Comment

by:jackmcbarn
Comment Utility
Got this from booting into the broken kernel:



Oct 18 10:00:11 compaqlaptop kernel: [  139.865818] agpgart: disagrees about version of symbol struct_module

Oct 18 10:00:12 compaqlaptop kernel: [  139.903956] drm: Unknown symbol agp_bind_memory

Oct 18 10:00:12 compaqlaptop kernel: [  139.904147] drm: Unknown symbol agp_enable

Oct 18 10:00:12 compaqlaptop kernel: [  139.904218] drm: Unknown symbol agp_find_bridge

Oct 18 10:00:12 compaqlaptop kernel: [  139.904364] drm: Unknown symbol agp_backend_acquire

Oct 18 10:00:12 compaqlaptop kernel: [  139.904688] drm: Unknown symbol agp_free_memory

Oct 18 10:00:12 compaqlaptop kernel: [  139.904993] drm: Unknown symbol agp_allocate_memory

Oct 18 10:00:12 compaqlaptop kernel: [  139.905066] drm: Unknown symbol agp_unbind_memory

Oct 18 10:00:12 compaqlaptop kernel: [  139.905216] drm: Unknown symbol agp_copy_info

Oct 18 10:00:12 compaqlaptop kernel: [  139.905352] drm: Unknown symbol agp_backend_release

Oct 18 10:00:12 compaqlaptop kernel: [  139.907753] i915: Unknown symbol drm_open

Oct 18 10:00:12 compaqlaptop kernel: [  139.907812] i915: Unknown symbol drm_fasync

Oct 18 10:00:12 compaqlaptop kernel: [  139.907865] i915: Unknown symbol drm_poll

Oct 18 10:00:12 compaqlaptop kernel: [  139.907917] i915: Unknown symbol drm_get_resource_len

Oct 18 10:00:12 compaqlaptop kernel: [  139.907991] i915: Unknown symbol drm_core_get_reg_ofs

Oct 18 10:00:12 compaqlaptop kernel: [  139.908102] i915: Unknown symbol drm_pci_alloc

Oct 18 10:00:12 compaqlaptop kernel: [  139.908155] i915: Unknown symbol drm_irq_uninstall

Oct 18 10:00:12 compaqlaptop kernel: [  139.908229] i915: Unknown symbol drm_ioctl

Oct 18 10:00:12 compaqlaptop kernel: [  139.908281] i915: Unknown symbol drm_exit

Oct 18 10:00:12 compaqlaptop kernel: [  139.908334] i915: Unknown symbol drm_getsarea

Oct 18 10:00:12 compaqlaptop kernel: [  139.908387] i915: Unknown symbol drm_debug

Oct 18 10:00:12 compaqlaptop kernel: [  139.908439] i915: Unknown symbol drm_core_ioremapfree

Oct 18 10:00:12 compaqlaptop kernel: [  139.908492] i915: Unknown symbol drm_core_get_map_ofs

Oct 18 10:00:12 compaqlaptop kernel: [  139.908551] i915: Unknown symbol drm_get_drawable_info

Oct 18 10:00:12 compaqlaptop kernel: [  139.908604] i915: Unknown symbol drm_init

Oct 18 10:00:12 compaqlaptop kernel: [  139.908658] i915: Unknown symbol drm_addmap

Oct 18 10:00:12 compaqlaptop kernel: [  139.908729] i915: Unknown symbol drm_locked_tasklet

Oct 18 10:00:12 compaqlaptop kernel: [  139.908817] i915: Unknown symbol drm_get_resource_start

Oct 18 10:00:12 compaqlaptop kernel: [  139.908870] i915: Unknown symbol drm_vbl_send_signals

Oct 18 10:00:12 compaqlaptop kernel: [  139.908934] i915: Unknown symbol drm_pci_free

Oct 18 10:00:12 compaqlaptop kernel: [  139.908987] i915: Unknown symbol drm_core_ioremap

Oct 18 10:00:12 compaqlaptop kernel: [  139.909040] i915: Unknown symbol drm_rmmap

Oct 18 10:00:12 compaqlaptop kernel: [  139.909109] i915: Unknown symbol drm_mmap

Oct 18 10:00:12 compaqlaptop kernel: [  139.909217] i915: Unknown symbol drm_core_reclaim_buffers

Oct 18 10:00:12 compaqlaptop kernel: [  139.909279] i915: Unknown symbol drm_release

Oct 18 10:00:12 compaqlaptop kernel: [  140.119324] ppdev: user-space parallel port driver

Oct 18 10:00:18 compaqlaptop kernel: [  143.838911] agpgart: disagrees about version of symbol struct_module

Oct 18 10:00:18 compaqlaptop kernel: [  143.840004] drm: Unknown symbol agp_bind_memory

Oct 18 10:00:18 compaqlaptop kernel: [  143.840197] drm: Unknown symbol agp_enable

Oct 18 10:00:18 compaqlaptop kernel: [  143.840266] drm: Unknown symbol agp_find_bridge

Oct 18 10:00:18 compaqlaptop kernel: [  143.840411] drm: Unknown symbol agp_backend_acquire

Oct 18 10:00:18 compaqlaptop kernel: [  143.840735] drm: Unknown symbol agp_free_memory

Oct 18 10:00:18 compaqlaptop kernel: [  143.841040] drm: Unknown symbol agp_allocate_memory

Oct 18 10:00:18 compaqlaptop kernel: [  143.841113] drm: Unknown symbol agp_unbind_memory

Oct 18 10:00:18 compaqlaptop kernel: [  143.841264] drm: Unknown symbol agp_copy_info

Oct 18 10:00:18 compaqlaptop kernel: [  143.841401] drm: Unknown symbol agp_backend_release

Oct 18 10:00:18 compaqlaptop kernel: [  143.843339] i915: Unknown symbol drm_open

Oct 18 10:00:18 compaqlaptop kernel: [  143.843399] i915: Unknown symbol drm_fasync

Oct 18 10:00:18 compaqlaptop kernel: [  143.843453] i915: Unknown symbol drm_poll

Oct 18 10:00:18 compaqlaptop kernel: [  143.843506] i915: Unknown symbol drm_get_resource_len

Oct 18 10:00:18 compaqlaptop kernel: [  143.843578] i915: Unknown symbol drm_core_get_reg_ofs

Oct 18 10:00:18 compaqlaptop kernel: [  143.843689] i915: Unknown symbol drm_pci_alloc

Oct 18 10:00:18 compaqlaptop kernel: [  143.843742] i915: Unknown symbol drm_irq_uninstall

Oct 18 10:00:18 compaqlaptop kernel: [  143.843815] i915: Unknown symbol drm_ioctl

Oct 18 10:00:18 compaqlaptop kernel: [  143.843868] i915: Unknown symbol drm_exit

Oct 18 10:00:18 compaqlaptop kernel: [  143.843922] i915: Unknown symbol drm_getsarea

Oct 18 10:00:18 compaqlaptop kernel: [  143.843975] i915: Unknown symbol drm_debug

Oct 18 10:00:18 compaqlaptop kernel: [  143.844028] i915: Unknown symbol drm_core_ioremapfree

Oct 18 10:00:18 compaqlaptop kernel: [  143.844081] i915: Unknown symbol drm_core_get_map_ofs

Oct 18 10:00:18 compaqlaptop kernel: [  143.844141] i915: Unknown symbol drm_get_drawable_info

Oct 18 10:00:18 compaqlaptop kernel: [  143.844194] i915: Unknown symbol drm_init

Oct 18 10:00:18 compaqlaptop kernel: [  143.844285] i915: Unknown symbol drm_addmap

Oct 18 10:00:18 compaqlaptop kernel: [  143.844356] i915: Unknown symbol drm_locked_tasklet

Oct 18 10:00:18 compaqlaptop kernel: [  143.844445] i915: Unknown symbol drm_get_resource_start

Oct 18 10:00:18 compaqlaptop kernel: [  143.844498] i915: Unknown symbol drm_vbl_send_signals

Oct 18 10:00:18 compaqlaptop kernel: [  143.844562] i915: Unknown symbol drm_pci_free

Oct 18 10:00:18 compaqlaptop kernel: [  143.844614] i915: Unknown symbol drm_core_ioremap

Oct 18 10:00:18 compaqlaptop kernel: [  143.844667] i915: Unknown symbol drm_rmmap

Oct 18 10:00:18 compaqlaptop kernel: [  143.844737] i915: Unknown symbol drm_mmap

Oct 18 10:00:18 compaqlaptop kernel: [  143.844845] i915: Unknown symbol drm_core_reclaim_buffers

Oct 18 10:00:18 compaqlaptop kernel: [  143.844906] i915: Unknown symbol drm_release

Oct 18 10:00:25 compaqlaptop kernel: [  144.836883] agpgart: disagrees about version of symbol struct_module

Oct 18 10:00:25 compaqlaptop kernel: [  144.837968] drm: Unknown symbol agp_bind_memory

Oct 18 10:00:25 compaqlaptop kernel: [  144.838158] drm: Unknown symbol agp_enable

Oct 18 10:00:25 compaqlaptop kernel: [  144.838227] drm: Unknown symbol agp_find_bridge

Oct 18 10:00:25 compaqlaptop kernel: [  144.838371] drm: Unknown symbol agp_backend_acquire

Oct 18 10:00:25 compaqlaptop kernel: [  144.838695] drm: Unknown symbol agp_free_memory

Oct 18 10:00:25 compaqlaptop kernel: [  144.838999] drm: Unknown symbol agp_allocate_memory

Oct 18 10:00:25 compaqlaptop kernel: [  144.839072] drm: Unknown symbol agp_unbind_memory

Oct 18 10:00:25 compaqlaptop kernel: [  144.839221] drm: Unknown symbol agp_copy_info

Oct 18 10:00:25 compaqlaptop kernel: [  144.839356] drm: Unknown symbol agp_backend_release

Oct 18 10:00:25 compaqlaptop kernel: [  144.841254] i915: Unknown symbol drm_open

Oct 18 10:00:25 compaqlaptop kernel: [  144.841311] i915: Unknown symbol drm_fasync

Oct 18 10:00:25 compaqlaptop kernel: [  144.841364] i915: Unknown symbol drm_poll

Oct 18 10:00:25 compaqlaptop kernel: [  144.841418] i915: Unknown symbol drm_get_resource_len

Oct 18 10:00:25 compaqlaptop kernel: [  144.841491] i915: Unknown symbol drm_core_get_reg_ofs

Oct 18 10:00:25 compaqlaptop kernel: [  144.841602] i915: Unknown symbol drm_pci_alloc

Oct 18 10:00:25 compaqlaptop kernel: [  144.841655] i915: Unknown symbol drm_irq_uninstall

Oct 18 10:00:25 compaqlaptop kernel: [  144.841729] i915: Unknown symbol drm_ioctl

Oct 18 10:00:25 compaqlaptop kernel: [  144.841781] i915: Unknown symbol drm_exit

Oct 18 10:00:25 compaqlaptop kernel: [  144.841834] i915: Unknown symbol drm_getsarea

Oct 18 10:00:25 compaqlaptop kernel: [  144.841888] i915: Unknown symbol drm_debug

Oct 18 10:00:25 compaqlaptop kernel: [  144.841941] i915: Unknown symbol drm_core_ioremapfree

Oct 18 10:00:25 compaqlaptop kernel: [  144.841994] i915: Unknown symbol drm_core_get_map_ofs

Oct 18 10:00:25 compaqlaptop kernel: [  144.842054] i915: Unknown symbol drm_get_drawable_info

Oct 18 10:00:25 compaqlaptop kernel: [  144.842107] i915: Unknown symbol drm_init

Oct 18 10:00:25 compaqlaptop kernel: [  144.842159] i915: Unknown symbol drm_addmap

Oct 18 10:00:25 compaqlaptop kernel: [  144.842231] i915: Unknown symbol drm_locked_tasklet

Oct 18 10:00:25 compaqlaptop kernel: [  144.842320] i915: Unknown symbol drm_get_resource_start

Oct 18 10:00:25 compaqlaptop kernel: [  144.842373] i915: Unknown symbol drm_vbl_send_signals

Oct 18 10:00:25 compaqlaptop kernel: [  144.842437] i915: Unknown symbol drm_pci_free

Oct 18 10:00:25 compaqlaptop kernel: [  144.842489] i915: Unknown symbol drm_core_ioremap

Oct 18 10:00:25 compaqlaptop kernel: [  144.842542] i915: Unknown symbol drm_rmmap

Oct 18 10:00:25 compaqlaptop kernel: [  144.842611] i915: Unknown symbol drm_mmap

Oct 18 10:00:25 compaqlaptop kernel: [  144.842719] i915: Unknown symbol drm_core_reclaim_buffers

Oct 18 10:00:25 compaqlaptop kernel: [  144.842781] i915: Unknown symbol drm_release

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LVL 4

Expert Comment

by:larsga
Comment Utility
"agpgart: disagrees about version of symbol struct_module"

This usually means that the agpgart.ko you are trying to load is built/compiled for a different version of the kernel. The "Unknown symbol" errors are follow-on errors caused by agpgart not being loaded.

Now to figure out why we don't have the correct agpgart.ko for -21-openvz...
0
 
LVL 4

Author Comment

by:jackmcbarn
Comment Utility
Anything else I should do or try?
0
 
LVL 4

Expert Comment

by:larsga
Comment Utility
'find /lib/modules/2.6.24-21-openvz' says what?

Also for each of the files the above command lists, could you do:
dpkg -S full-path-to-file
0
 
LVL 4

Expert Comment

by:larsga
Comment Utility
Sorry. 'find /lib/modules/2.6.24-21-openvz -name agpgart.ko'
0
 
LVL 4

Author Comment

by:jackmcbarn
Comment Utility
Tried your second one, and also did it for all 4 of the kernels:

$ find /lib/modules/2.6.24-21-openvz -name agpgart.ko

/lib/modules/2.6.24-21-openvz/kernel/drivers/char/agp/agpgart.ko

/lib/modules/2.6.24-21-openvz/ubuntu/char/intel-agp-ich9m/agpgart.ko

$ find /lib/modules/2.6.24-21-generic -name agpgart.ko

/lib/modules/2.6.24-21-generic/kernel/drivers/char/agp/agpgart.ko

/lib/modules/2.6.24-21-generic/ubuntu/char/intel-agp-ich9m/agpgart.ko

$ find /lib/modules/2.6.24-19-openvz -name agpgart.ko

/lib/modules/2.6.24-19-openvz/kernel/drivers/char/agp/agpgart.ko

/lib/modules/2.6.24-19-openvz/ubuntu/char/intel-agp-ich9m/agpgart.ko

$ find /lib/modules/2.6.24-19-generic -name agpgart.ko

/lib/modules/2.6.24-19-generic/kernel/drivers/char/agp/agpgart.ko

/lib/modules/2.6.24-19-generic/ubuntu/char/intel-agp-ich9m/agpgart.ko

$

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LVL 4

Author Comment

by:jackmcbarn
Comment Utility
Got this from dpkg -S commands:

$ dpkg -S /lib/modules/2.6.24-21-openvz/kernel/drivers/char/agp/agpgart.ko
 

linux-image-2.6.24-21-openvz: /lib/modules/2.6.24-21-openvz/kernel/drivers/char/agp/agpgart.ko

$ dpkg -S /lib/modules/2.6.24-21-openvz/ubuntu/char/intel-agp-ich9m/agpgart.ko

linux-ubuntu-modules-2.6.24-21-openvz: /lib/modules/2.6.24-21-openvz/ubuntu/char/intel-agp-ich9m/agpgart.ko

$

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Author Comment

by:jackmcbarn
Comment Utility
Also, doing dpkg -S for the other listed files yielded the same result, except for the different kernel in the package name.
0
 
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Expert Comment

by:larsga
Comment Utility
That looks perfectly normal.

Could you try uninstalling/reinstalling the packages and see if that helps?
  sudo apt-get remove linux-image-2.6.24-21-openvz linux-ubuntu-modules-2.6.24-21-openvz
  sudo apt-get install linux-image-2.6.24-21-openvz linux-ubuntu-modules-2.6.24-21-openvz

Then reboot and see if the agpgart symbol struct_module error goes away.

If that doesn't fix it, it might be that the 21-openvz packages somehow managed to include bad versions of agpgart.ko. I looked in the ubuntu bug system, but didn't find anything specific for the GMA 950 (did however find a fglrx/agpgart problem reported in 21-openvz). I can test this on a machine here too, but it will take some time.
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by:larsga
larsga earned 170 total points
Comment Utility
Just tested -21-openvz on a machine here that has GMA 950 gfx. I get the exact same problem. This pretty much proves that the Ubuntu folks managed to ship the -21-openvz kernel with a bungled agpgart driver. I'll write up a report on it in their bug tracker so that it can be fixed in -22 or -23.

In the meantime, I guess you will just have to use -21-generic or -19-openvz.
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Author Comment

by:jackmcbarn
Comment Utility
Okay, thanks for your help.
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Author Closing Comment

by:jackmcbarn
Comment Utility
Thanks for all your help again.  Hopefully the bug you submitted for me will get fixed soon.
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