[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

Timothy Arceri  changed:

   What|Removed |Added

  Component|Mesa core   |Drivers/DRI/i915
   Assignee|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
   |org |.org

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #19 from Orion Poplawski or...@cora.nwra.com 2012-04-20 10:00:00 
PDT ---
Created attachment 60400
  -- https://bugs.freedesktop.org/attachment.cgi?id=60400
firefox backtrace from _mesa_problem

#0  _mesa_problem (ctx=0xa4d49000,
fmtString=0x1f85368 unexpected format in _mesa_choose_tex_format())
at main/imports.c:930
#1  0x01dcc957 in _mesa_choose_tex_format (ctx=0xa4d49000,
internalFormat=33190, format=0, type=0) at main/texformat.c:762
#2  0x01d54bba in intel_alloc_renderbuffer_storage (ctx=0xa4d49000,
rb=0xa7a74350, internalFormat=33190, width=300, height=150)
at intel_fbo.c:123
#3  0x01d7f872 in renderbuffer_storage (target=optimized out,
internalFormat=optimized out, width=300, height=150, samples=1)
at main/fbobject.c:1318
#4  0x41a9a999 in glRenderbufferStorageMultisample (target=36161,
samples=1, internalformat=33190, width=300, height=150)
at ../../../src/mapi/glapi/glapitemp.h:3937

output of print *ctx is in attachment.  Let me know if anything else would be
useful.

This is with:

firefox-11.0-1.fc16.i686
mesa-dri-drivers-7.11.2-3.fc16.i686
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics
Controller (rev 02)

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #20 from Brian Paul brian.e.p...@gmail.com 2012-04-20 10:12:28 
UTC ---
On your 865G system, glx is saying that GL_ARB_depth_texture is not supported. 
That's why we're failing in _mesa_choose_tex_format().  Evidently, the driver
doesn't support depth textures for your older GPU.

Just out of curiosity, could you try this simple patch and see what happens?

--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -211,7 +211,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint
inter
  ; /* fallthrough */
}

-   if (ctx-Extensions.ARB_depth_texture) {
+   if (1 || ctx-Extensions.ARB_depth_texture) {
   switch (internalFormat) {
  case GL_DEPTH_COMPONENT:
  case GL_DEPTH_COMPONENT24:

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

Brian Paul brian.e.p...@gmail.com changed:

   What|Removed |Added

 CC||mich...@schoenitzer.de

--- Comment #21 from Brian Paul brian.e.p...@gmail.com 2012-04-20 10:21:45 
PDT ---
*** Bug 47872 has been marked as a duplicate of this bug. ***

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

Rick Jenkins r...@hartmantech.com changed:

   What|Removed |Added

 CC||r...@hartmantech.com

--- Comment #16 from Rick Jenkins r...@hartmantech.com 2012-02-24 13:51:33 
PST ---
*** Bug 46591 has been marked as a duplicate of this bug. ***

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #17 from Götz goetzchr...@yahoo.es 2012-02-24 15:28:35 PST ---
Ian Romanick, I am not sure how to do the breakpoint. I did a backtrace, but I
don't know if it is useful.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #18 from Götz goetzchr...@yahoo.es 2012-02-24 15:29:35 PST ---
Created attachment 57613
  -- https://bugs.freedesktop.org/attachment.cgi?id=57613
backtrace

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #14 from Ian Romanick i...@freedesktop.org 2012-02-23 09:05:47 
PST ---
(In reply to comment #12)
 OK, indeed we should not attempt to do WebGL on OpenGL 1.
 
 But the stack trace in https://bugzilla.mozilla.org/show_bug.cgi?id=696636#c11
 also shows that there is a driver bug here.

Agreed.  By the time that stacktrace was taken, the underlying bug had done its
damage.  That's why I asked (comment #11) for an additional backtrace from
_mesa_problem.  Something is causing the driver to create a DEPTH_COMPONENT24
texture, but that hardware doesn't support depth textures at all.  As a result,
by the time execution gets to _mesa_get_format_bytes or intel_region_alloc,
it's passing around garbage data.  In the intel_region_alloc case, the texture
format is unknown to the driver, so cpp is zero.  The divide by cpp causes the
SIGFPE.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

Ian Romanick i...@freedesktop.org changed:

   What|Removed |Added

 CC||ferdinandw+b...@gmail.com

--- Comment #15 from Ian Romanick i...@freedesktop.org 2012-02-23 09:08:43 
PST ---
*** Bug 46239 has been marked as a duplicate of this bug. ***

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #11 from Ian Romanick i...@freedesktop.org 2012-02-22 14:13:30 
PST ---
(In reply to comment #10)
 I get the crash with this error too (865G):
 
 $  firefox
 Mesa 8.1-devel implementation error: unexpected format GL_DEPTH_COMPONENT24 in
 _mesa_choose_tex_format()

Can you set a breakpoint a _mesa_problem and collect a backtrace?

 Please report at bugs.freedesktop.org
 firefox: main/formats.c:1556: _mesa_get_format_bytes: Assertion
 `info-BytesPerBlock' failed.
 
 A Firefox developer said this is a bug in mesa
 https://bugzilla.mozilla.org/show_bug.cgi?id=696636#c12
 
 00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated 
 Graphics
 Controller (rev 02)
 mesa 8.1-git  6e738d35c5c88769ececbadd5f4ac14d36647168
 intel 2.17-git 66cc9c69657ac2703f2c7fc3c2c50f06bf5daa99
 libdrm 2.4.31-git 9b3ad51ae5fd9654df8ef75de845a519015150bb
 linux 3.2.6

The bigger question is why is Firefox even trying to use this driver to provide
WebGL support?  This hardware cannot possibly handle it.  At all.  WebGL
requires either OpenGL ES 2.0 or desktop GL with ARB_fragment_shader.  As you
can see from the glxinfo output, this hardware has none of the above.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #12 from Benoit Jacob bja...@mozilla.com 2012-02-22 16:00:47 PST 
---
OK, indeed we should not attempt to do WebGL on OpenGL 1.

But the stack trace in https://bugzilla.mozilla.org/show_bug.cgi?id=696636#c11
also shows that there is a driver bug here.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #13 from Benoit Jacob bja...@mozilla.com 2012-02-22 19:23:50 PST 
---
Alright, patch under review @moz to block opengl 1.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #10 from Götz goetzchr...@yahoo.es 2012-02-20 10:38:19 PST ---
I get the crash with this error too (865G):

$  firefox
Mesa 8.1-devel implementation error: unexpected format GL_DEPTH_COMPONENT24 in 
_mesa_choose_tex_format()
Please report at bugs.freedesktop.org
firefox: main/formats.c:1556: _mesa_get_format_bytes: Assertion 
`info-BytesPerBlock' failed.

A Firefox developer said this is a bug in mesa 
https://bugzilla.mozilla.org/show_bug.cgi?id=696636#c12

00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics 
Controller (rev 02)
mesa 8.1-git  6e738d35c5c88769ececbadd5f4ac14d36647168
intel 2.17-git 66cc9c69657ac2703f2c7fc3c2c50f06bf5daa99
libdrm 2.4.31-git 9b3ad51ae5fd9654df8ef75de845a519015150bb
linux 3.2.6

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

Götz goetzchr...@yahoo.es changed:

   What|Removed |Added

 CC||goetzchr...@yahoo.es

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #9 from Christopher Yeleighton giecr...@stegny.2a.pl 2012-02-10 
14:28:33 PST ---
Both URL: http://www.britannica.com/EBchecked/topic/23762/Andhra-University  
AND URL: about:support  crash Mozilla Firefox 9.0.1. I disabled webgl support
and they show up.

name of display: :0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
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_pbuffer, 
GLX_SGIX_visual_select_group, GLX_INTEL_swap_event
client glx vendor string: Mesa Project and 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_EXT_framebuffer_sRGB, 
GLX_MESA_copy_sub_buffer, GLX_MESA_multithread_makecurrent, 
GLX_MESA_swap_control, 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_INTEL_swap_event
GLX extensions:
GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 
GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control, 
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_INTEL_swap_event
OpenGL vendor string: Tungsten Graphics, Inc
OpenGL renderer string: Mesa DRI Intel(R) 865G 
OpenGL version string: 1.3 Mesa 7.11
OpenGL extensions:
GL_ARB_multisample, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, 
GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract, 
GL_EXT_copy_texture, GL_EXT_polygon_offset, GL_EXT_subtexture, 
GL_EXT_texture_object, GL_EXT_vertex_array, GL_EXT_compiled_vertex_array, 
GL_EXT_texture, GL_EXT_texture3D, GL_IBM_rasterpos_clip, 
GL_ARB_point_parameters, GL_EXT_draw_range_elements, GL_EXT_packed_pixels, 
GL_EXT_point_parameters, GL_EXT_rescale_normal, 
GL_EXT_separate_specular_color, GL_EXT_texture_edge_clamp, 
GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, 
GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_ARB_multitexture, 
GL_IBM_multimode_draw_arrays, GL_IBM_texture_mirrored_repeat, 
GL_3DFX_texture_compression_FXT1, GL_ARB_texture_cube_map, 
GL_ARB_texture_env_add, GL_ARB_transpose_matrix, 
GL_EXT_blend_func_separate, GL_EXT_fog_coord, GL_EXT_multi_draw_arrays, 
GL_EXT_secondary_color, GL_EXT_texture_env_add, 
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod_bias, 
GL_INGR_blend_func_separate, GL_NV_blend_square, GL_NV_light_max_exponent, 
GL_NV_texgen_reflection, GL_SUN_multi_draw_arrays, 
GL_ARB_texture_border_clamp, GL_ARB_texture_compression, 
GL_EXT_framebuffer_object, GL_EXT_texture_env_dot3, GL_MESA_window_pos, 
GL_NV_packed_depth_stencil, GL_NV_texture_rectangle, GL_NV_vertex_program, 
GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar, 
GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat, 
GL_ARB_window_pos, GL_EXT_texture_cube_map, GL_NV_vertex_program1_1, 
GL_APPLE_client_storage, GL_APPLE_packed_pixels, 
GL_APPLE_vertex_array_object, GL_ARB_draw_buffers, GL_ARB_shader_objects, 
GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ATI_draw_buffers, 
GL_EXT_stencil_wrap, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 
GL_ARB_half_float_pixel, GL_ARB_point_sprite, GL_ARB_shading_language_100, 
GL_ARB_sync, GL_ARB_vertex_buffer_object, GL_ATI_blend_equation_separate, 
GL_EXT_blend_equation_separate, GL_OES_read_format, 
GL_ARB_pixel_buffer_object, GL_ARB_texture_rectangle, 
GL_EXT_pixel_buffer_object, GL_EXT_texture_rectangle, 
GL_ARB_framebuffer_object, GL_EXT_framebuffer_blit, 
GL_EXT_framebuffer_multisample, GL_EXT_packed_depth_stencil, 
GL_APPLE_object_purgeable, GL_ARB_vertex_array_object, 
GL_EXT_gpu_program_parameters, GL_EXT_texture_env_combine, 
GL_OES_EGL_image, GL_ARB_copy_buffer, GL_ARB_map_buffer_range, 
GL_EXT_separate_shader_objects, GL_ARB_ES2_compatibility, 
GL_ARB_draw_elements_base_vertex, GL_ARB_explicit_attrib_location, 
GL_ARB_provoking_vertex, GL_ARB_sampler_objects, GL_EXT_provoking_vertex, 
GL_ARB_robustness
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 

[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #7 from awima...@gmail.com 2012-02-02 22:57:21 PST ---
today i experienced the same problem when trying to open github.com 

$ firefox -safe-mode
Mesa 7.11.2 implementation error: unexpected format in
_mesa_choose_tex_format()
Please report at bugs.freedesktop.org
Mesa 7.11.2 implementation error: unexpected MESA_FORMAT for renderbuffer
Please report at bugs.freedesktop.org
###!!! ABORT: Divide by zero: file
/build/src/mozilla-release/toolkit/xre/nsSigHandlers.cpp, line 174
###!!! ABORT: Divide by zero: file
/build/src/mozilla-release/toolkit/xre/nsSigHandlers.cpp, line 174
Segmentation fault

other sites like google and youtube worked just fine. also chromium web browser
had no problem with github on the same machine. 

Mozilla Firefox 10.0

mesa 7.11.2-1

Linux blah 3.2.2-1-ARCH #1 SMP PREEMPT Thu Jan 26 08:28:27 UTC 2012 i686
Intel(R) Celeron(R) M processor 1300MHz GenuineIntel GNU/Linux

00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated
Graphics Device (rev 02)

openbox window manager

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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--- Comment #8 from awhan awima...@gmail.com 2012-02-02 23:42:04 PST ---
just noticed that setting webgl.disabled to true in the about:config settings
of firefox lets me get away with the crashing when i visit github.com

incidently as mentioned in this bug report
https://bugs.freedesktop.org/show_bug.cgi?id=42611 firefox crashes when i visit
http://get.webgl.org/ as well

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--- Comment #6 from Thiago thi...@gmail.com 2011-12-18 10:59:59 PST ---
It also happens to me with mesa 7.11.2
same glxinfo as Thor's

https://bugs.archlinux.org/task/27573

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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--- Comment #5 from Thor t01...@yahoo.com 2011-10-27 02:53:52 UTC ---
Created attachment 52818
  -- https://bugs.freedesktop.org/attachment.cgi?id=52818
The output of glxinfo

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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--- Comment #4 from Brian Paul bri...@vmware.com 2011-10-26 07:23:43 PDT ---
Posting the output of 'glxinfo' would  be a good start.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

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--- Comment #3 from Thor t01...@yahoo.com 2011-10-26 03:12:54 UTC ---
@ Kenneth Graunke 
Hmm, this is not really critical, but, perhaps the site in question uses
features (stuff) that makes Firefox trip, somehow.

What do I enter where so you can get more info (if needed)...

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #1 from Brian Paul bri...@vmware.com 2011-10-23 08:59:01 PDT ---
Could you possibly debug this to determine what the texture internalFormat is
at the failure?  Or try Mesa from git? I can improve the warning message for
this problem for the future.

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[Mesa-dev] [Bug 42128] Crash when visiting a site with Firefox

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42128

--- Comment #2 from Kenneth Graunke kenn...@whitecape.org 2011-10-23 14:01:50 
PDT ---
Not sure what driver you're using...

I was not able to reproduce this on my Intel Sandybridge system, using either
the latest Mesa 7.11 branch (from git, not the release) or Mesa master.  I'm
also using Firefox 7.0.1 on Arch Linux.

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