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Blender : SegFault aléatoire lors de selections d'objets

PapsOu

Bonjour à tous,

Voici mon petit souci, j'utilise sous F15 blender 2.60 (même souci avec la 2.60a) et j'ai des plantages aléatoires lors de sélections d'objets...

Du coup, pour espérer avoir plus de détails sur ce soucis, je lance blender via le terminal en mode debug

[PapsOu@Salon blender]$ ./blender -d

Je sélectionne quelques objets les uns après les autres, et hop, j'ai une belle erreur de segmentation :

Blender 2.60 (sub 0)
Build: 2011-10-17 17:50:04 Linux:64bit Release
argv[0] = ./blender
argv[1] = -d
connect failed: No such file or directory
ndof: spacenavd not found
read file /home/PapsOu/.blender/2.60/config/startup.blend
  Version 260 sub 0 svn r0

ordered
 OBCube
 OBLamp
 OBCamera
swin 1 added
swin 2 added
swin 3 added
swin 4 added
swin 5 added
swin 6 added
swin 7 added
swin 8 added
swin 9 added
swin 10 added
swin 11 added
swin 12 added
set screen
found bundled python: /home/PapsOu/blender/2.60/python
SRNA Subclassed: 'Context'
SRNA Subclassed: 'Operator'
SRNA Subclassed: 'Menu'
time bl_operators 0.0160
SRNA Subclassed: 'Panel'
SRNA Subclassed: 'Bone'
SRNA Subclassed: 'EditBone'
SRNA Subclassed: 'PoseBone'
SRNA Subclassed: 'Mesh'
SRNA Subclassed: 'Object'
SRNA Subclassed: 'Texture'
SRNA Subclassed: 'Header'
time bl_ui 0.0353
SRNA Subclassed: 'KeyingSetInfo'
time keyingsets_builtins 0.0026
SRNA Subclassed: 'Operator'
        addon_utils.enable io_anim_bvh
SRNA Subclassed: 'Operator'
        addon_utils.enable io_curve_svg
SRNA Subclassed: 'Operator'
SRNA Subclassed: 'PropertyGroup'
        addon_utils.enable io_mesh_ply
SRNA Subclassed: 'Operator'
        addon_utils.enable io_mesh_stl
SRNA Subclassed: 'Operator'
        addon_utils.enable io_mesh_uv_layout
SRNA Subclassed: 'Operator'
        addon_utils.enable io_scene_3ds
SRNA Subclassed: 'Operator'
        addon_utils.enable io_scene_fbx
SRNA Subclassed: 'Operator'
        addon_utils.enable io_scene_obj
SRNA Subclassed: 'Operator'
        addon_utils.enable io_scene_x3d
Python Script Load Time 0.0742
SRNA Subclassed: 'Group'
SRNA Subclassed: 'Header'
SRNA Subclassed: 'KeyingSetInfo'
SRNA Subclassed: 'Library'
SRNA Subclassed: 'Macro'
SRNA Subclassed: 'Menu'
SRNA Subclassed: 'MeshEdge'
SRNA Subclassed: 'MeshFace'
SRNA Subclassed: 'Operator'
SRNA Subclassed: 'Panel'
SRNA Subclassed: 'RenderEngine'
SRNA Subclassed: 'Sound'
SRNA Subclassed: 'Text'
read file 
  Version 258 sub 1 svn r0
handle evt 0 win 0 op WM_OT_splash
swin 13 added
bpy.ops.wm.splash()
set drawable 1
ghost redraw
ghost redraw
ghost redraw
ghost redraw
ghost redraw
recalcob Cube
recalcdata Cube
set screen
pass on evt 1 val 1
pass on evt 1 val 2
read blend: /home/PapsOu/test_visibility.blend
read file /home/PapsOu/test_visibility.blend
  Version 260 sub 0 svn r0

ordered
 OBArmature
 OBCube.003
 OBCube.002
 OBCube.001
 OBSphere.005
 OBSphere.004
 OBSphere.003
 OBSphere.002
 OBCube.004
 OBSphere.007
 OBCube.005
 OBSphere.006
 OBSphere.001
 OBSphere
 OBPlane
 OBCube
 OBCamera
swin 1 added
swin 2 added
swin 3 added
swin 4 added
swin 5 added
swin 6 added
swin 7 added
swin 8 added
swin 9 added
swin 10 added
swin 11 added
swin 12 added
swin 13 added
set screen
bpy.ops.wm.open_mainfile(filepath="/home/PapsOu/test_visibility.blend", filter_blender=True, filter_image=False, filter_movie=False, filter_python=False, filter_font=False, filter_sound=False, filter_text=False, filter_btx=False, filter_collada=False, filter_folder=True, filemode=8, load_ui=True, use_scripts=True)
recalcob Armature
recalcdata Armature
recalcob Cube.003
recalcdata Cube.003
recalcob Cube.002
recalcdata Cube.002
recalcob Cube.001
recalcdata Cube.001
recalcob Sphere.005
recalcdata Sphere.005
recalcob Sphere.004
recalcdata Sphere.004
recalcob Sphere.003
recalcdata Sphere.003
recalcob Sphere.002
recalcdata Sphere.002
recalcob Cube.004
recalcdata Cube.004
recalcob Sphere.007
recalcdata Sphere.007
recalcob Cube.005
recalcdata Cube.005
recalcob Sphere.006
recalcdata Sphere.006
recalcob Sphere.001
recalcdata Sphere.001
recalcob Sphere
recalcdata Sphere
recalcob Plane
recalcdata Plane
recalcob Cube
recalcdata Cube
recalcob Camera
set drawable 1
expected cost = 12.750807 (4)
3.575153 childs per node
259 childs BB are useless
0 childs per node: 0/652 = 0.000000
1 childs per node: 0/652 = 0.000000
2 childs per node: 9/652 = 0.013804
3 childs per node: 259/652 = 0.397239
4 childs per node: 384/652 = 0.588957
5 childs per node: 0/652 = 0.000000
6 childs per node: 0/652 = 0.000000
7 childs per node: 0/652 = 0.000000
8 childs per node: 0/652 = 0.000000
9 childs per node: 0/652 = 0.000000
10 childs per node: 0/652 = 0.000000
11 childs per node: 0/652 = 0.000000
12 childs per node: 0/652 = 0.000000
13 childs per node: 0/652 = 0.000000
14 childs per node: 0/652 = 0.000000
15 childs per node: 0/652 = 0.000000
pass on evt 3 val 1
handle evt 3 win 12 op VIEW3D_OT_select
bpy.ops.view3d.select(extend=False, center=False, enumerate=False, object=False)
undo push Activate/Select
3.575153 childs per node
259 childs BB are useless
0 childs per node: 0/652 = 0.000000
1 childs per node: 0/652 = 0.000000
2 childs per node: 9/652 = 0.013804
3 childs per node: 259/652 = 0.397239
4 childs per node: 384/652 = 0.588957
5 childs per node: 0/652 = 0.000000
6 childs per node: 0/652 = 0.000000
7 childs per node: 0/652 = 0.000000
8 childs per node: 0/652 = 0.000000
9 childs per node: 0/652 = 0.000000
10 childs per node: 0/652 = 0.000000
11 childs per node: 0/652 = 0.000000
12 childs per node: 0/652 = 0.000000
13 childs per node: 0/652 = 0.000000
14 childs per node: 0/652 = 0.000000
15 childs per node: 0/652 = 0.000000
pass on evt 3 val 2
pass on evt 3 val 1
handle evt 3 win 12 op VIEW3D_OT_select
bpy.ops.view3d.select(extend=False, center=False, enumerate=False, object=False)
undo push Activate/Select
3.575153 childs per node
259 childs BB are useless
0 childs per node: 0/652 = 0.000000
1 childs per node: 0/652 = 0.000000
2 childs per node: 9/652 = 0.013804
3 childs per node: 259/652 = 0.397239
4 childs per node: 384/652 = 0.588957
5 childs per node: 0/652 = 0.000000
6 childs per node: 0/652 = 0.000000
7 childs per node: 0/652 = 0.000000
8 childs per node: 0/652 = 0.000000
9 childs per node: 0/652 = 0.000000
10 childs per node: 0/652 = 0.000000
11 childs per node: 0/652 = 0.000000
12 childs per node: 0/652 = 0.000000
13 childs per node: 0/652 = 0.000000
14 childs per node: 0/652 = 0.000000
15 childs per node: 0/652 = 0.000000
sdsd opengl error: invalid value
pass on evt 3 val 2
pass on evt 3 val 1
handle evt 3 win 12 op VIEW3D_OT_select
bpy.ops.view3d.select(extend=False, center=False, enumerate=False, object=False)
undo push Activate/Select
3.575153 childs per node
259 childs BB are useless
0 childs per node: 0/652 = 0.000000
1 childs per node: 0/652 = 0.000000
2 childs per node: 9/652 = 0.013804
3 childs per node: 259/652 = 0.397239
4 childs per node: 384/652 = 0.588957
5 childs per node: 0/652 = 0.000000
6 childs per node: 0/652 = 0.000000
7 childs per node: 0/652 = 0.000000
8 childs per node: 0/652 = 0.000000
9 childs per node: 0/652 = 0.000000
10 childs per node: 0/652 = 0.000000
11 childs per node: 0/652 = 0.000000
12 childs per node: 0/652 = 0.000000
13 childs per node: 0/652 = 0.000000
14 childs per node: 0/652 = 0.000000
15 childs per node: 0/652 = 0.000000
sdsd opengl error: invalid value
pass on evt 3 val 2
pass on evt 3 val 1
handle evt 3 win 12 op VIEW3D_OT_select
bpy.ops.view3d.select(extend=False, center=False, enumerate=False, object=False)
undo push Activate/Select
3.575153 childs per node
259 childs BB are useless
0 childs per node: 0/652 = 0.000000
1 childs per node: 0/652 = 0.000000
2 childs per node: 9/652 = 0.013804
3 childs per node: 259/652 = 0.397239
4 childs per node: 384/652 = 0.588957
5 childs per node: 0/652 = 0.000000
6 childs per node: 0/652 = 0.000000
7 childs per node: 0/652 = 0.000000
8 childs per node: 0/652 = 0.000000
9 childs per node: 0/652 = 0.000000
10 childs per node: 0/652 = 0.000000
11 childs per node: 0/652 = 0.000000
12 childs per node: 0/652 = 0.000000
13 childs per node: 0/652 = 0.000000
14 childs per node: 0/652 = 0.000000
15 childs per node: 0/652 = 0.000000
sdsd opengl error: invalid value
pass on evt 3 val 2
pass on evt 3 val 1
handle evt 3 win 12 op VIEW3D_OT_select
Erreur de segmentation (core dumped)

Malheureusement, j'ai pas plus de détails sur cette SegFault...

auriez-vous des pistes à creuser pour déterminer d'où vient le problème et comment le résoudre ?

Quelques info sur ma config :

$ cat /proc/bus/pci/devices | grep VGA || lspci | grep VGA | colrm 1 4 ; \
> cat /proc/cpuinfo | egrep "model name|MHz" ; \
> xdpyinfo | egrep "version:|dimensions|depth of" ; \
> glxinfo | egrep -A2 "rendering|OpenGL" ; \
> uname -sr;
0.0 VGA compatible controller: ATI Technologies Inc Redwood PRO [Radeon HD 5500 Series]
model name      : AMD Phenom(tm) II X4 955 Processor
cpu MHz         : 3200.000
model name      : AMD Phenom(tm) II X4 955 Processor
cpu MHz         : 800.000
model name      : AMD Phenom(tm) II X4 955 Processor
cpu MHz         : 800.000
model name      : AMD Phenom(tm) II X4 955 Processor
cpu MHz         : 800.000
  dimensions:    3842x1082 pixels (1013x285 millimeters)
  depth of root window:    24 planes
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
--
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD REDWOOD
OpenGL version string: 2.1 Mesa 7.11
OpenGL shading language version string: 1.20
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, 
Linux 2.6.40.6-0.fc15.x86_64

MarbolanGos

Est-ce que tu as installé les debuginfo (par le dépôt ad-hoc) ? peut-être qu'avec les bons flags le mode debug sera plus parlant ?

PapsOu

MarbolanGos wrote:Est-ce que tu as installé les debuginfo (par le dépôt ad-hoc) ? peut-être qu'avec les bons flags le mode debug sera plus parlant ?

Je cherche actuellement à installer ce « debug info »... Sans succès pour l'instant.

PapsOu

Bon, avec GDB j'ai quelque chose de beaucoup plus bavard, mais incompréhensible pour un non initié comme moi... Si ça parle à quelqu'un ?
(instruction de debug trouvées ici : http://wiki.blender.org/index.php/Dev:Doc/Tools/Debugging/GDB)

$ gdb ./blender
GNU gdb (GDB) Fedora (7.3.1-45.fc15)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/PapsOu/blender/blender...(no debugging symbols found)...done.
(gdb) run
Starting program: /home/PapsOu/blender/blender 
[Thread debugging using libthread_db enabled]
connect failed: No such file or directory
ndof: spacenavd not found
[New Thread 0x7ffff6fff700 (LWP 10758)]
[Thread 0x7ffff6fff700 (LWP 10758) exited]
[New Thread 0x7ffff6fff700 (LWP 10759)]
[New Thread 0x7ffff1bff700 (LWP 10760)]
[New Thread 0x7ffff13fe700 (LWP 10761)]
[Thread 0x7ffff13fe700 (LWP 10761) exited]
found bundled python: /home/PapsOu/blender/2.60/python
read blend: /home/PapsOu/Images/Maison_Logis_Breton/test_visibility.blend
[New Thread 0x7fffe62cf700 (LWP 10762)]
[New Thread 0x7fffe53ff700 (LWP 10763)]
[New Thread 0x7fffe4bfe700 (LWP 10764)]
[New Thread 0x7fffe3bff700 (LWP 10765)]
[New Thread 0x7fffe2bff700 (LWP 10766)]
[Thread 0x7fffe53ff700 (LWP 10763) exited]
[Thread 0x7fffe3bff700 (LWP 10765) exited]
[Thread 0x7fffe4bfe700 (LWP 10764) exited]
[Thread 0x7fffe2bff700 (LWP 10766) exited]
[Thread 0x7fffe62cf700 (LWP 10762) exited]
[New Thread 0x7fffe62cf700 (LWP 10767)]
[New Thread 0x7fffe2bff700 (LWP 10768)]
[New Thread 0x7fffe4bfe700 (LWP 10769)]
[New Thread 0x7fffe3bff700 (LWP 10770)]                                                                                                  
[New Thread 0x7fffe0bff700 (LWP 10771)]                                                                                                  
[Thread 0x7fffe2bff700 (LWP 10768) exited]                                                                                               
[Thread 0x7fffe0bff700 (LWP 10771) exited]                                                                                               
[Thread 0x7fffe4bfe700 (LWP 10769) exited]                                                                                               
[Thread 0x7fffe3bff700 (LWP 10770) exited]                                                                                               
[Thread 0x7fffe62cf700 (LWP 10767) exited]                                                                                               
[New Thread 0x7fffe62cf700 (LWP 10772)]                                                                                                  
[New Thread 0x7fffe3bff700 (LWP 10773)]                                                                                                  
[New Thread 0x7fffe0bff700 (LWP 10774)]                                                                                                  
[New Thread 0x7fffe4bfe700 (LWP 10775)]                                                                                                  
[New Thread 0x7fffdf7ff700 (LWP 10776)]                                                                                                  
[Thread 0x7fffe0bff700 (LWP 10774) exited]                                                                                               
[Thread 0x7fffe3bff700 (LWP 10773) exited]                                                                                               
[Thread 0x7fffdf7ff700 (LWP 10776) exited]                                                                                               
[Thread 0x7fffe4bfe700 (LWP 10775) exited]                                                                                               
[Thread 0x7fffe62cf700 (LWP 10772) exited]
[New Thread 0x7fffe62cf700 (LWP 10777)]
[New Thread 0x7fffdf7ff700 (LWP 10778)]
[New Thread 0x7fffe4bfe700 (LWP 10779)]
[New Thread 0x7fffe3bff700 (LWP 10780)]
[New Thread 0x7fffe0bff700 (LWP 10781)]
[Thread 0x7fffe3bff700 (LWP 10780) exited]
[Thread 0x7fffe4bfe700 (LWP 10779) exited]
[Thread 0x7fffe0bff700 (LWP 10781) exited]
[Thread 0x7fffdf7ff700 (LWP 10778) exited]
[Thread 0x7fffe62cf700 (LWP 10777) exited]
[New Thread 0x7fffe62cf700 (LWP 10782)]
[New Thread 0x7fffdf7ff700 (LWP 10783)]
[New Thread 0x7fffe0bff700 (LWP 10784)]
[New Thread 0x7fffe4bfe700 (LWP 10785)]
[New Thread 0x7fffe3bff700 (LWP 10786)]
[Thread 0x7fffe3bff700 (LWP 10786) exited]
[Thread 0x7fffe4bfe700 (LWP 10785) exited]
[Thread 0x7fffdf7ff700 (LWP 10783) exited]
[Thread 0x7fffe0bff700 (LWP 10784) exited]
[Thread 0x7fffe62cf700 (LWP 10782) exited]
[New Thread 0x7fffe62cf700 (LWP 10787)]
[New Thread 0x7fffe0bff700 (LWP 10788)]
[New Thread 0x7fffe3bff700 (LWP 10789)]
[New Thread 0x7fffe4bfe700 (LWP 10790)]
[New Thread 0x7fffdf7ff700 (LWP 10791)]
[Thread 0x7fffe0bff700 (LWP 10788) exited]
[Thread 0x7fffe3bff700 (LWP 10789) exited]
[Thread 0x7fffe4bfe700 (LWP 10790) exited]
[Thread 0x7fffdf7ff700 (LWP 10791) exited]
[Thread 0x7fffe62cf700 (LWP 10787) exited]

Program received signal SIGSEGV, Segmentation fault.
0x00007fffee5ad0f3 in ?? ()
Missing separate debuginfos, use: debuginfo-install SDL-1.2.14-12.fc15.x86_64 dbus-libs-1.4.6-5.fc15.x86_64 expat-2.0.1-11.fc15.x86_64 flac-1.2.1-6.fc12.x86_64 freetype-2.4.4-5.fc15.x86_64 glibc-2.14-5.x86_64 libICE-1.0.6-3.fc15.x86_64 libSM-1.2.0-2.fc15.x86_64 libX11-1.4.3-1.fc15.x86_64 libXau-1.0.6-2.fc15.x86_64 libXcursor-1.1.11-3.fc15.x86_64 libXdamage-1.1.3-2.fc15.x86_64 libXext-1.2.0-2.fc15.x86_64 libXfixes-5.0-1.fc15.x86_64 libXi-1.4.3-2.fc15.x86_64 libXrender-0.9.6-2.fc15.x86_64 libXtst-1.2.0-2.fc15.x86_64 libXxf86vm-1.1.1-2.fc15.x86_64 libasyncns-0.8-2.fc15.x86_64 libdrm-2.4.26-1.fc15.x86_64 libffi-3.0.10-1.fc15.x86_64 libgcc-4.6.1-9.fc15.x86_64 libogg-1.2.2-3.fc15.x86_64 libselinux-2.0.99-4.fc15.x86_64 libsndfile-1.0.25-1.fc15.x86_64 libstdc++-4.6.1-9.fc15.x86_64 libuuid-2.19.1-1.4.fc15.x86_64 libvorbis-1.3.2-1.fc15.x86_64 libxcb-1.7-2.fc15.x86_64 llvm-libs-2.8-12.fc15.x86_64 mesa-dri-drivers-7.11-1.fc15.x86_64 mesa-libGL-7.11-1.fc15.x86_64 mesa-libGLU-7.11-1.fc15.x86_64 pulseaudio-libs-0.9.22-5.fc15.x86_64 tcp_wrappers-libs-7.6-60.fc15.x86_64 xcb-util-0.3.6-2.fc15.x86_64
(gdb) bt
#0  0x00007fffee5ad0f3 in ?? ()
#1  0x0000000400000004 in ?? ()
#2  0x0000000400000004 in ?? ()
#3  0x0000000200000002 in ?? ()
#4  0x0000000200000002 in ?? ()
#5  0x0000000100000001 in ?? ()
#6  0x0000000100000001 in ?? ()
#7  0x7fffffff7fffffff in ?? ()
#8  0x7fffffff7fffffff in ?? ()
#9  0x0000fe7c00000008 in ?? ()
#10 0x0000fe4c0000fe64 in ?? ()
#11 0x00000000bdf3fdb2 in ?? ()
#12 0x0000000000000000 in ?? ()
(gdb) thread apply all bt full

Thread 4 (Thread 0x7ffff1bff700 (LWP 10760)):
#0  0x000000324a40b498 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x000000365122c680 in pa_threaded_mainloop_wait () from /usr/lib64/libpulse.so.0
No symbol table info available.
#2  0x0000000001f4191a in ?? ()
No symbol table info available.
#3  0x0000000001f4b58a in ?? ()
No symbol table info available.
#4  0x000000324a407b31 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x0000003249cdfd2d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7ffff6fff700 (LWP 10759)):
#0  0x0000003249cd7423 in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x000000365122c05f in ?? () from /usr/lib64/libpulse.so.0
No symbol table info available.
#2  0x000000365121dee6 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
No symbol table info available.
#3  0x000000365121e519 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
No symbol table info available.
#4  0x000000365121e5d0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
No symbol table info available.
#5  0x000000365122c00f in ?? () from /usr/lib64/libpulse.so.0
No symbol table info available.
#6  0x0000003651638788 in ?? () from /usr/lib64/libpulsecommon-0.9.22.so
No symbol table info available.
#7  0x000000324a407b31 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x0000003249cdfd2d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7ffff7fd27a0 (LWP 10755)):
#0  0x00007fffee5ad0f3 in ?? ()
No symbol table info available.
#1  0x0000000400000004 in ?? ()
No symbol table info available.
#2  0x0000000400000004 in ?? ()
No symbol table info available.
#3  0x0000000200000002 in ?? ()
No symbol table info available.
#4  0x0000000200000002 in ?? ()
No symbol table info available.
#5  0x0000000100000001 in ?? ()
No symbol table info available.
#6  0x0000000100000001 in ?? ()
No symbol table info available.
#7  0x7fffffff7fffffff in ?? ()
No symbol table info available.
#8  0x7fffffff7fffffff in ?? ()
No symbol table info available.
#9  0x0000fe7c00000008 in ?? ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#10 0x0000fe4c0000fe64 in ?? ()
No symbol table info available.
#11 0x00000000bdf3fdb2 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb)

MarbolanGos

Je pense que :

No symbol table info available.

Fait que c'est pas un vrai debug. J'ai pas de Fedora sous la main mais avec ça il devrait installer ce qu'il faut :

yum install blender-debuginfo --enablerepo=*-debuginfo

PapsOu

Encore plus bavard avec le paquet suggéré (mais je pense pas que se soit la bonne release (le paquet blender de F15 est le 2.49, là j'ai mis la version officielle 2.60)

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7f10f81 in ?? ()
(gdb) bt
#0  0x00007ffff7f10f81 in ?? ()
#1  0x0000000000000000 in ?? ()
(gdb) thread apply all bt full

Thread 4 (Thread 0x7ffff17ff700 (LWP 10971)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:143
No locals.
#1  0x000000365122c680 in pa_threaded_mainloop_wait (m=0x7ffff70ca6a0) at pulse/thread-mainloop.c:212
        __func__ = "pa_threaded_mainloop_wait"
        __PRETTY_FUNCTION__ = "pa_threaded_mainloop_wait"
#2  0x0000000001f4191a in ?? ()
No symbol table info available.
#3  0x0000000001f4b58a in ?? ()
No symbol table info available.
#4  0x000000324a407b31 in start_thread (arg=0x7ffff17ff700) at pthread_create.c:305
        __res = <optimized out>
        pd = 0x7ffff17ff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1, 2540910578539649218, 215994140448, 140737245084096, 0, 3, -2540942463787116350, 
                2533191457326586050}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
              canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#5  0x0000003249cdfd2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
No locals.

Thread 3 (Thread 0x7ffff6fff700 (LWP 10970)):
#0  0x0000003249cd7423 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x000000365122c05f in poll_func (ufds=0x7ffff1816080, nfds=2, timeout=211, userdata=0x7ffff70ca760) at pulse/thread-mainloop.c:75
        mutex = 0x7ffff70ca760
        r = <optimized out>
#2  0x000000365121dee6 in pa_mainloop_poll (m=0x7ffff7570900) at pulse/mainloop.c:879
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x000000365121e519 in pa_mainloop_iterate (m=0x7ffff7570900, block=<optimized out>, retval=0x0) at pulse/mainloop.c:961
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x000000365121e5d0 in pa_mainloop_run (m=0x7ffff7570900, retval=0x0) at pulse/mainloop.c:979
        r = <optimized out>
#5  0x000000365122c00f in thread (userdata=0x7ffff70ca6a0) at pulse/thread-mainloop.c:94
        m = 0x7ffff70ca6a0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#6  0x0000003651638788 in internal_thread_func (userdata=0x7ffff70ca790) at pulsecore/thread-posix.c:83
        t = 0x7ffff70ca790
#7  0x000000324a407b31 in start_thread (arg=0x7ffff6fff700) at pthread_create.c:305
        __res = <optimized out>
        pd = 0x7ffff6fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1, 2540910578539649218, 215994140448, 140737337358784, 140737343061072, 3, 
                -2540930369159210814, 2533191457326586050}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {
              prev = 0x0, cleanup = 0x0, canceltype = 0}}}
---Type <return> to continue, or q <return> to quit---
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#8  0x0000003249cdfd2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
No locals.

Thread 1 (Thread 0x7ffff7fd27a0 (LWP 10966)):
#0  0x00007ffff7f10f81 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.

MarbolanGos

C'est bien ce que je pensais que la version n'était pas celle de Fedora. tu l'as installé en compilant toi-même ?
Si c'est vraiment facilement reproductible tu pourrais en faire part sur le site de Blender : http://projects.blender.org/tracker/index.php?group_id=9&atid=498

PapsOu

Je n'ai pas compilé cette version, j'ai seulement chopée la version x86_64 sur le site officiel. Mais ça le faisait aussi avec la version compilée (chopée via leur svn).
Je vais voir pour poser un bug chez eux, mais vu le caractère aléatoire, j'ai bien peur qu'il ne passe aux oubliettes directement... Enfin je testerai ça d'ici peu.

Merci pour le coup d'main.

VINDICATORs

Rapport de bogue à Blender.

Pas de problème visible avec la version de F17 (la dernière n'est pas encore là pour F16 😢).

Rectification. C'est donc bien un bogue de blender 2.60a, car je viens d'avoir le même problème avec le paquet de fedora 17...