Re: [Mesa3d-users] _mesa_reference_renderbuffer: Assertion `oldRb->Magic' failed

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woolfie wrote:
> 
> liga wrote:
>>     Could you possibly provide a stack trace or test the mesa_7_0_branch
>>     branch from git?
>>
> 
> I came across this thread while googling on the same error. The original
> poster was seeing this error from glxinfo. I encounter it when trying to run
> stellarium, although glxinfo doesn't crash.
> 
> Included below is my glxinfo output, a list of the versions I'm running and
> the code traceback from gdb.
> 
> (no debugging symbols found)
> stellarium: main/renderbuffer.c:2153: _mesa_reference_renderbuffer:
> Assertion `oldRb->Magic == 0xaabbccdd' failed.
> 
> ~> glxinfo
> 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_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_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: VIA Technology
> OpenGL renderer string: Mesa DRI UniChrome (KM400) 20060710
> x86/MMX+/3DNow!+/SSE
> OpenGL version string: 1.2 Mesa 7.0.2
> OpenGL extensions:
>     GL_ARB_imaging, GL_ARB_multisample, GL_ARB_multitexture,
>     GL_ARB_point_parameters, GL_ARB_texture_env_add,
>     GL_ARB_texture_env_combine, GL_ARB_texture_mirrored_repeat,
>     GL_ARB_transpose_matrix, GL_ARB_vertex_buffer_object, GL_ARB_window_pos,
>     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_convolution, GL_EXT_copy_texture,
>     GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_histogram,
>     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_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_lod_bias, GL_EXT_texture_object, GL_EXT_vertex_array,
>     GL_APPLE_packed_pixels, GL_IBM_rasterpos_clip,
>     GL_IBM_texture_mirrored_repeat, GL_MESA_window_pos, GL_NV_blend_square,
>     GL_NV_light_max_exponent, GL_NV_texgen_reflection, GL_OES_read_format,
>     GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_texture_edge_clamp,
>     GL_SGIS_texture_lod
> 
>    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
> ----------------------------------------------------------------------
> 0x22 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
> 0x23 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
> 0x24 24 tc  0 32  0 r  y  .  8  8  8  8  0 16  0  0  0  0  0  0 0 None
> 0x25 24 tc  0 32  0 r  .  .  8  8  8  8  0 16  0  0  0  0  0  0 0 None
> 0x26 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
> 0x27 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
> 0x28 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
> 0x29 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
> 0x2a 24 tc  0 32  0 r  y  .  8  8  8  8  0 16  0 16 16 16 16  0 0 Slow
> 0x2b 24 tc  0 32  0 r  .  .  8  8  8  8  0 16  0 16 16 16 16  0 0 Slow
> 0x2c 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
> 0x2d 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
> 
> ~> dpkg -l \*mesa\*
> Desired=Unknown/Install/Remove/Purge/Hold
> | Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
> |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
> uppercase=bad)
> ||/ Name                  Version               Description
> +++-=====================-=====================-==========================================================
> ii  libgl1-mesa-dev       7.0.2-2               A free implementation of the
> OpenGL API -- GLX development
> ii  libgl1-mesa-dri       7.0.2-2               A free implementation of the
> OpenGL API -- DRI modules
> un  libgl1-mesa-dri-dev   <none>                (no description available)
> ii  libgl1-mesa-glx       7.0.2-2               A free implementation of the
> OpenGL API -- GLX runtime
> un  libgl1-mesa-swx11     <none>                (no description available)
> un  libgl1-mesa-swx11-dev <none>                (no description available)
> ii  libglu1-mesa          7.0.2-2               The OpenGL utility library
> (GLU)
> ii  libglu1-mesa-dev      7.0.2-2               The OpenGL utility library
> -- development files
> ii  mesa-common-dev       7.0.2-2               Developer documentation for
> Mesa
> un  mesa-glide2-dev       <none>                (no description available)
> ii  mesa-utils            7.0.2-2               Miscellaneous Mesa GL
> utilities
> un  mesag-dev             <none>                (no description available)
> un  mesag3                <none>                (no description available)
> un  mesag3+ggi-dev        <none>                (no description available)
> un  xlibmesa-dev          <none>                (no description available)
> ii  xlibmesa-dri          1:7.2-5               transitional package for
> Debian etch
> ii  xlibmesa-gl           1:7.2-5               transitional package for
> Debian etch
> ii  xlibmesa-gl-dev       1:7.2-5               transitional package for
> Debian etch
> rc  xlibmesa-glu          4.3.0.dfsg.1-14       Mesa OpenGL utility library
> [XFree86]
> pn  xlibmesa-glu-dev      <none>                (no description available)
> un  xlibmesa3             <none>                (no description available)
> un  xlibmesa3-gl          <none>                (no description available)
> un  xlibmesa3-glu         <none>                (no description available)
> un  xlibosmesa-dev        <none>                (no description available)
> 
> When I run stellarium, I get this:
> ~> stellarium
>  -------------------------------------------------------
> [ This is Stellarium 0.9.0 - http://www.stellarium.org ]
> [ Copyright (C) 2000-2006 Fabien Chereau et al         ]
>  -------------------------------------------------------
> File search path set to:
>  1) /home/blah/.stellarium
>  2) /usr/share/stellarium
> config file is: /home/blah/.stellarium/config.ini
> stellarium: main/renderbuffer.c:2153: _mesa_reference_renderbuffer:
> Assertion `oldRb->Magic == 0xaabbccdd' failed.
> Abort
> 
> Running it from gdb, I get the following traceback:
> 
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 0xb6a888d0 (LWP 12127)]
> 0xb706f7d6 in raise () from /lib/libc.so.6
> (gdb) bt
> #0  0xb706f7d6 in raise () from /lib/libc.so.6
> #1  0xb70710f1 in abort () from /lib/libc.so.6
> #2  0xb7068b50 in __assert_fail () from /lib/libc.so.6
> #3  0xb688d10e in _mesa_reference_renderbuffer () from
> /usr/lib/dri/unichrome_dri.so
> #4  0xb68684e7 in _mesa_free_framebuffer_data () from
> /usr/lib/dri/unichrome_dri.so
> #5  0xb68685d6 in _mesa_destroy_framebuffer () from
> /usr/lib/dri/unichrome_dri.so
> #6  0xb686835b in _mesa_unreference_framebuffer () from
> /usr/lib/dri/unichrome_dri.so
> #7  0xb6824df0 in ?? () from /usr/lib/dri/unichrome_dri.so
> #8  0x0858183c in ?? ()
> #9  0xb69f14d4 in ?? () from /usr/lib/dri/unichrome_dri.so
> #10 0xbfce5988 in ?? ()
> #11 0xb681a6e0 in ?? () from /usr/lib/dri/unichrome_dri.so
> #12 0x08581838 in ?? ()
> #13 0x08466058 in ?? ()
> #14 0xbfce5988 in ?? ()
> #15 0xb7030bef in drmHashFirst () from /usr/lib/libdrm.so.2
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Please let me know if there's any other information you'd like me to
> collect.

The problem is a renderbuffer is a being referenced after it was 
deleted.  The framebuffer/renderbuffer code in the via/unichrome driver 
has always been a bit of a kludge.

Can you run with valgrind?  that might give another hint.

-Brian