http://bugs.freedesktop.org/show_bug.cgi?id=12968
Summary: Blender crashes on recent radeon dri drivers
Product: Mesa
Version: 6.5
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Drivers/DRI/Radeon
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
Run any version of Blender, enter camera view with NUMPAD-0, then enter top
view with NUMPAD-7. Blender will crash at this point. Here's what gdb says:
----
[EMAIL PROTECTED]:~/junk/blender-2.45-linux-glibc236-py25-i386$
LD_LIBRARY_PATH=/home/lenny/junk/Mesa-6.5.3/lib:$LD_LIBRARY_PATH
LIBGL_DRIVERS_PATH=/home/lenny/junk/Mesa-6.5.3/lib gdb ./blender
GNU gdb 6.6-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) run
Starting program:
/home/lenny/junk/blender-2.45-linux-glibc236-py25-i386/blender
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1217431872 (LWP 23328)]
Compiled with Python version 2.5.1.
Checking for installed Python... got it!
libGL warning: 3D driver claims to not support visual 0x60
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1217431872 (LWP 23328)]
0xb741fbb1 in triangle_twoside (ctx=0x919bde0, e0=1, e1=2, e2=0)
at ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h:202
202 GLfloat (*vbcolor)[4] = VB->ColorPtr[1]->data;
(gdb) quit
The program is running. Exit anyway? (y or n) y
[EMAIL PROTECTED]:~/junk/blender-2.45-linux-glibc236-py25-i386$
----
You'll notice that some 2D primitives don't get drawn correctly, especially
horizontal lines.
I've recompiled and tested some other versions of MesaLib and 6.4.2 works
perfectly fine. Any later version (including 7.0.1) has the problem I've
described above.
The first time I've noticed this problem was when I upgraded form Ubuntu 6.06
to Ubuntu 7.02. Blender is unusable since then on linux with radeon hardware.
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