ATI Radeon Mobility M6 (RV100) - glxinfo segmentation fault (signal 11)

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DenizAsker
Posts: 2
Joined: 24. Jun 2025, 22:09

ATI Radeon Mobility M6 (RV100) - glxinfo segmentation fault (signal 11)

Post by DenizAsker »

Hi,

I have an old IBM X31 laptop which uses the RV100, a mobile gpu based on the desktop R100 chip.
Salix OS works great on the computer as long as OpenGL is not requested.

I had to turn off the compositor of xfwm4 as it was crashing Xorg after some time.

Trying to understand why, I realized it creates a segmentation fault at some point (sometimes without even moving or opening windows around). With the compositor off, the computer is stable.

The same segmentation fault is thrown out of glxinfo.
I used valgrind to get details and here is the result :

Code: Select all

$valgrind glxinfo
==12247== Memcheck, a memory error detector
==12247== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==12247== Using Valgrind-3.19.0 and LibVEX; rerun with -h for copyright info
==12247== Command: glxinfo
==12247== 
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_no_error, 
    GLX_ARB_create_context_profile, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_multisample, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_libglvnd, GLX_EXT_no_config_context, 
    GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
    GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, GLX_OML_swap_method, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_context_flush_control, GLX_ARB_create_context, 
    GLX_ARB_create_context_no_error, GLX_ARB_create_context_profile, 
    GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample, 
    GLX_ATI_pixel_format_float, GLX_EXT_buffer_age, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_no_config_context, GLX_EXT_swap_control, 
    GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_INTEL_swap_event, 
    GLX_MESA_copy_sub_buffer, GLX_MESA_multithread_makecurrent, 
    GLX_MESA_query_renderer, GLX_MESA_swap_control, GLX_NV_float_buffer, 
    GLX_OML_swap_method, GLX_OML_sync_control, GLX_SGIS_multisample, 
    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 
    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_no_error, 
    GLX_ARB_create_context_profile, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_no_config_context, GLX_EXT_swap_control, 
    GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
    GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, GLX_MESA_query_renderer, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control, GLX_SGI_video_sync
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Mesa Project (0x1002)
    Device: Mesa DRI R100 (RV100 4C59) x86/MMX/SSE2 DRI2 (0x4c59)
    Version: 21.3.5
    Accelerated: yes
    Video memory: 16MB
    Unified memory: no
    Preferred profile: compat (0x2)
    Max core profile version: 0.0
    Max compat profile version: 1.3
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 0.0
OpenGL vendor string: Mesa Project
OpenGL renderer string: Mesa DRI R100 (RV100 4C59) x86/MMX/SSE2 DRI2
OpenGL version string: 1.3 Mesa 21.3.5
OpenGL extensions:
    GL_AMD_shader_trinary_minmax, GL_ANGLE_texture_compression_dxt3, 
    GL_ANGLE_texture_compression_dxt5, GL_APPLE_packed_pixels, 
    GL_ARB_clear_buffer_object, GL_ARB_compressed_texture_pixel_storage, 
    GL_ARB_copy_buffer, GL_ARB_debug_output, GL_ARB_draw_buffers, 
    GL_ARB_get_program_binary, GL_ARB_get_texture_sub_image, 
    GL_ARB_half_float_pixel, GL_ARB_invalidate_subdata, 
    GL_ARB_map_buffer_alignment, GL_ARB_multi_bind, GL_ARB_multisample, 
    GL_ARB_multitexture, GL_ARB_occlusion_query, 
    GL_ARB_parallel_shader_compile, GL_ARB_program_interface_query, 
    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_include, 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_filter_anisotropic, GL_ARB_texture_mirror_clamp_to_edge, 
    GL_ARB_texture_mirrored_repeat, GL_ARB_texture_rectangle, 
    GL_ARB_texture_storage, GL_ARB_transpose_matrix, 
    GL_ARB_vertex_array_object, GL_ARB_vertex_attrib_binding, 
    GL_ARB_vertex_buffer_object, GL_ARB_window_pos, GL_ATI_draw_buffers, 
    GL_ATI_texture_env_combine3, GL_ATI_texture_mirror_once, GL_EXT_EGL_sync, 
    GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_subtract, 
    GL_EXT_compiled_vertex_array, GL_EXT_copy_texture, 
    GL_EXT_direct_state_access, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 
    GL_EXT_framebuffer_blit, GL_EXT_framebuffer_object, 
    GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil, 
    GL_EXT_packed_pixels, GL_EXT_rescale_normal, GL_EXT_secondary_color, 
    GL_EXT_separate_specular_color, GL_EXT_stencil_wrap, GL_EXT_subtexture, 
    GL_EXT_texture, 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_lod_bias, 
    GL_EXT_texture_mirror_clamp, GL_EXT_texture_object, 
    GL_EXT_texture_rectangle, GL_EXT_vertex_array, 
    GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip, 
    GL_IBM_texture_mirrored_repeat, GL_KHR_context_flush_control, 
    GL_KHR_debug, GL_KHR_no_error, GL_KHR_parallel_shader_compile, 
    GL_MESA_pack_invert, GL_MESA_window_pos, GL_MESA_ycbcr_texture, 
    GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_packed_depth_stencil, 
    GL_NV_texgen_reflection, GL_NV_texture_rectangle, GL_OES_EGL_image, 
    GL_OES_read_format, GL_S3_s3tc, GL_SGIS_generate_mipmap, 
    GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, 
    GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays

72 GLX Visuals
    visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms  cav
  id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------------
0x021 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x022 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0c5 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0c6 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0c7 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0c8 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0c9 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0ca 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0cb 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0cc 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0cd 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0ce 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0cf 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0d0 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0d1 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0d2 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0d3 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0d4 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0d5 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0d6 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0d7 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0d8 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0d9 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0da 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0db 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0dc 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0dd 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0de 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0df 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0e0 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0e1 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0e2 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0e3 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0e4 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0e5 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0e6 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0e7 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0e8 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0e9 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0ea 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0eb 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0ec 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0ed 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0ee 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0ef 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0f0 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0f1 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0f2 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0f3 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0f4 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0f5 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0f6 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0f7 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0f8 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0f9 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0fa 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0fb 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0fc 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0fd 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0fe 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0ff 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x100 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x101 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x102 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x05c 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x103 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x104 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x105 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x106 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x107 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x108 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x109 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None

104 GLXFBConfigs:
    visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms  cav
  id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------------
0x05d  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x05e  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x05f  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
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0x061  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x062  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x063  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
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0x065  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 None
0x066  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x067  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 None
0x068  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x069  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
0x06a  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x06b  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
0x06c  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16 16  0 0 Slow
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0x06e 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x06f 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
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0x071 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x072 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x073 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x074 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x075 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x076 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x077 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x078 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x079 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x07a 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x07b 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x07c 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
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0x07e 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x07f 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x080 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x081 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x082 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x083 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x084 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x085 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x086 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x087 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x088 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x089 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x08a 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x08b 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x08c 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x08d  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x08e  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x08f  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x090  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x091  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x092  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x093  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x094  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x095  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 None
0x096  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x097  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 None
0x098  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x099  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
0x09a  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x09b  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
0x09c  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x09d 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x09e 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x09f 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0a0 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0a1 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0a2 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0a3 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0  0  0  0  0  0 0 None
0x0a4 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0a5 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0a6 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0a7 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 None
0x0a8 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0a9 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0aa 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0ab 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0ac 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0ad 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0ae 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0af 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0b0 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 Slow
0x0b1 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0b2 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0b3 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0b4 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0 16 16 16 16  0 0 Slow
0x0b5 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0b6 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0b7 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0b8 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 Slow
0x0b9 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0ba 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0bb 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0bc 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x0bd 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0be 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0bf 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0c0 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 16  0  0  0  0  0  0 0 None
0x0c1 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0c2 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 None
0x0c3 32 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0c4 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None

==12247== Invalid read of size 4
==12247==    at 0x50154F3: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x512FCE9: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x5130217: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x5015EC5: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x50802C8: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x4E10DC8: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4E025E7: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4E02672: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4361E42: XCloseDisplay (in /usr/lib/libX11.so.6.4.0)
==12247==    by 0x8049B77: ??? (in /usr/bin/glxinfo)
==12247==    by 0x44C3908: (below main) (in /lib/libc-2.33.so)
==12247==  Address 0x4 is not stack'd, malloc'd or (recently) free'd
==12247== 
==12247== 
==12247== Process terminating with default action of signal 11 (SIGSEGV)
==12247==  Access not within mapped region at address 0x4
==12247==    at 0x50154F3: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x512FCE9: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x5130217: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x5015EC5: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x50802C8: ??? (in /usr/lib/dri/radeon_dri.so)
==12247==    by 0x4E10DC8: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4E025E7: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4E02672: ??? (in /usr/lib/libGLX_mesa.so.0.0.0)
==12247==    by 0x4361E42: XCloseDisplay (in /usr/lib/libX11.so.6.4.0)
==12247==    by 0x8049B77: ??? (in /usr/bin/glxinfo)
==12247==    by 0x44C3908: (below main) (in /lib/libc-2.33.so)
==12247==  If you believe this happened as a result of a stack
==12247==  overflow in your program's main thread (unlikely but
==12247==  possible), you can try to increase the size of the
==12247==  main thread stack using the --main-stacksize= flag.
==12247==  The main thread stack size used in this run was 8388608.
==12247== 
==12247== HEAP SUMMARY:
==12247==     in use at exit: 565,929 bytes in 1,525 blocks
==12247==   total heap usage: 2,837 allocs, 1,312 frees, 24,907,348 bytes allocated
==12247== 
==12247== LEAK SUMMARY:
==12247==    definitely lost: 28,800 bytes in 72 blocks
==12247==    indirectly lost: 0 bytes in 0 blocks
==12247==      possibly lost: 16,600 bytes in 487 blocks
==12247==    still reachable: 520,529 bytes in 966 blocks
==12247==         suppressed: 0 bytes in 0 blocks
==12247== Rerun with --leak-check=full to see details of leaked memory
==12247== 
==12247== For lists of detected and suppressed errors, rerun with: -s
==12247== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 5 from 5)
Other OpenGL applications crash for the same reason.
For example, GzDoom gives the same 0x4 address issue.

Any idea what can cause this ? Something incorrectly set with the card or Xorg configuration (this card is AGP 4X but the unified memory is not active...) ?
Or maybe the card vram is beginning to fail of old age ?

If you need additional information, please let me know.
Thank you for your help,
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DenizAsker
Posts: 2
Joined: 24. Jun 2025, 22:09

Re: ATI Radeon Mobility M6 (RV100) - glxinfo segmentation fault (signal 11)

Post by DenizAsker »

I add some additional information.

First, I realize I did not provide details on the installation.
I used the SalixLive Xfce 15.0 (i586/i686, 32-bit) iso to install Salix on my IBM X31.

Examples of seg fault when using xfwm4 with the compositor on :

Code: Select all

$ sudo dmesg | grep error
Mot de passe : 
[   77.339175] xfwm4[1159]: segfault at 4 ip b1fc44f3 sp bfb40150 error 4 in radeon_dri.so[b1f3d000+a11000]
[  139.743561] glxtest[1453]: segfault at 4 ip b4cd64f3 sp bf868c40 error 4 in radeon_dri.so[b4c4f000+a11000]
[21645.561895] glxtest[7901]: segfault at 4 ip b4d9a4f3 sp bf828bb0 error 4 in radeon_dri.so[b4d13000+a11000]
[21866.209029] glxtest[8228]: segfault at 4 ip b4d684f3 sp bfd5e940 error 4 in radeon_dri.so[b4ce1000+a11000]
[22965.440660] glxtest[9346]: segfault at 4 ip b4dbd4f3 sp bf8b4440 error 4 in radeon_dri.so[b4d36000+a11000]
[62974.989001] glxtest[19365]: segfault at 4 ip b4ccb4f3 sp bfdb3ae0 error 4 in radeon_dri.so[b4c44000+a11000]
Interesting information regarding AGP being forced to PCI ? :

Code: Select all

$ sudo dmesg | grep drm
[    6.987484] [drm] radeon kernel modesetting enabled.
[    7.004971] [drm] initializing kernel modesetting (RV100 0x1002:0x4C59 0x1014:0x052F 0x00).
[    7.004995] [drm] Forcing AGP to PCI mode
[    7.012989] [drm] Detected VRAM RAM=128M, BAR=128M
[    7.013003] [drm] RAM width 32bits DDR
[    7.013075] [drm] radeon: 16M of VRAM memory ready
[    7.013079] [drm] radeon: 512M of GTT memory ready.
[    7.013121] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    7.042972] [drm] radeon: power management initialized
[    7.082914] [drm] PCI GART of 512M enabled (table at 0x0000000003600000).
[    7.090960] [drm] radeon: irq initialized.
[    7.090987] [drm] Loading R100 Microcode
[    7.099037] [drm] radeon: ring at 0x00000000C0001000
[    7.099074] [drm] ring test succeeded in 1 usecs
[    7.099209] [drm] ib test succeeded in 0 usecs
[    7.099716] [drm] Panel ID String: 1024x768                
[    7.099720] [drm] Panel Size 1024x768
[    7.099795] [drm] Radeon Display Connectors
[    7.099798] [drm] Connector 0:
[    7.099800] [drm]   VGA-1
[    7.099802] [drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[    7.099807] [drm]   Encoders:
[    7.099809] [drm]     CRT1: INTERNAL_DAC1
[    7.099811] [drm] Connector 1:
[    7.099813] [drm]   LVDS-1
[    7.099815] [drm]   Encoders:
[    7.099817] [drm]     LCD1: INTERNAL_LVDS
[    7.355388] [drm] fb mappable at 0xE0040000
[    7.355400] [drm] vram apper at 0xE0000000
[    7.355402] [drm] size 1572864
[    7.355404] [drm] fb depth is 16
[    7.355406] [drm]    pitch is 2048
[    7.356919] fbcon: radeondrmfb (fb0) is primary device
[    7.579345] radeon 0000:01:00.0: [drm] fb0: radeondrmfb frame buffer device
[    7.590186] [drm] Initialized radeon 2.50.0 20080528 for 0000:01:00.0 on minor 0
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