[Pkg-blender-maintainers] Bug#455310: Blender crashes with Segmentation fault

[Ivan Marin]

Hello, thanks for the fast response. Comments bellow:

Cyril Brulebois escreveu:
> severity 455310 important
> thanks
>
> On 11/05/2008, Ivan Marin wrote:
>   
>> Severity: grave
>> Justification: renders package unusable
>>     
>
> Hi,
>
> see README.Debian under /usr/share/doc/blender, you can disable DRI on a
> per-application basis, using an env. variable. Lowering severity
> accordingly.
>
>   
Tried to do that:
LIBGL_ALWAYS_INDIRECT=1 blender
and my system rebooted.


>> running gdb against blender-bin:
>>     
>
> (thanks)
>
>  Program received signal SIGSEGV, Segmentation fault.
>   
>> [Switching to Thread 0x2ad07daa4e80 (LWP 4060)]
>> 0x00002ad07db8fa4a in ?? () from /usr/lib/dri/i915_dri.so
>>
>> DRI is turned on in my system. My graphics card is an Intel 945:
>>
>> 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 
>> 943/940GML Express Integrated Graphics Controller (rev 03)
>>
>> and I am using the intel driver on xorg. 
>>     
>
> Thanks apt-file (or packages.debian.org):
>   
>> libgl1-mesa-dri: usr/lib/dri/i915_dri.so
>> libgl1-mesa-dri-dbg: usr/lib/debug/usr/lib/dri/i915_dri.so
>>     
>
> Installing the latter package would probably help getting a meaningful
> backtrace, so that Xorg folks can see what's going on.
>   
With mesa-dbg:
---Type <return> to continue, or q <return> to quit---
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
Compiled with Python version 2.4.4.
Checking for installed Python... got it!
[New Thread 0x2b9a14d1ce80 (LWP 3875)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x2b9a14d1ce80 (LWP 3875)]
triangle_twoside (ctx=0x115e4a0, e0=1, e1=2, e2=0)
    at ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h:202
202     ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h: No such file or 
directory.
        in ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h
(gdb)                          
> BTW, are other 3D-demanding packages (e.g. 3D games) running fine on
> your system? Blender is often victim of driver bugs, since it's using
> 3D features a lot — when available.
>   
glxgears runs ok, also some screensavers. The hardware is  a macbook. 
Did not try with other 3D software.
> Cheers,
>
>   
Thanks!

Ivan
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