[Bf-committers] Eigen3 128bit alignment issues in ceres

[Stephan Kassemeyer]

The assertion occured on linux, using gcc 4.4.3.
Here is a backtrace:
http://www.pasteall.org/32377

-------- Original-Nachricht --------
> Datum: Mon, 28 May 2012 14:01:07 +0600
> Von: Sergey Sharybin <sergey.vfx at gmail.com>
> An: bf-blender developers <bf-committers at blender.org>
> Betreff: Re: [Bf-committers] Eigen3 128bit alignment issues in ceres

> Hi,
> 
> It'll help knowing ehich operation system and compiler you're using.
> 
> Thanks.
> 
> On Mon, May 28, 2012 at 7:14 AM, Stephan Kassemeyer <stapfx at gmx.de> wrote:
> 
> > Hi,
> >
> > in tomato branch, I get a segfault when doing video tracking.
> > I turned on debug mode and got an Eigen3 assertion
> > EIGEN_MAKE_UNALIGNED_ARRAY_ASSERT which mentions this
> > web page:
> > http://eigen.tuxfamily.org/dox-devel/TopicUnalignedArrayAssert.html
> >
> > I tried their suggestions, so far without any success.
> > The only thing that helps is to disable all
> > vectorization with the following definitions:
> > CMAKE_CXX_FLAGS:STRING=-D EIGEN_DONT_VECTORIZE -D
> > EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT
> >
> > In the backtrace,
> > the last non-Eigen3 code is
> >
> >   FixedArray<JetT, (256 * 7) / sizeof(JetT)> x(
> >        N0 + N1 + N2 + N3 + N4 + N5 + num_outputs);
> >
> > in extern/libmv/third_party/ceres/include/ceres/internal/autodiff:303
> >
> > I was compiling using cmake.
> > If you have any ideas, please let me know, I can test.
> >
> > regards,
> > Stephan Kassemeyer.
> > --
> > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone!
> > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a
> > _______________________________________________
> > Bf-committers mailing list
> > Bf-committers at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-committers
> >
> 
> 
> 
> -- 
> With best regards, Sergey Sharybin
> _______________________________________________
> Bf-committers mailing list
> Bf-committers at blender.org
> http://lists.blender.org/mailman/listinfo/bf-committers

-- 
Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir
belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de