fenics team mailing list archive

[Kent Andre <kent-and@xxxxxxxxx>]

On on., 2009-02-11 at 08:23 -0500, Balbir Thomas wrote:
> Hi,
> 
> In trying to build syfi I found the following bugs
> 
> 1) There are multiple formal parameters named x1 in  the Triangle and
> Tetrahedron constructors found in syfi/Polygon.h
>  
> Based on syfi/Polygon.cpp I presume this is a typo and instead they
> should have been sequentially named x1, x2, ... etc.

Correct. 

Which version are you using ? This is not the case in my version ..

> 
> 2) The sort function was not declared in syfi/OrderedPtvSet.cpp
> 
> I presume the author intended to use the standard library sort
> function from <algorithm>

Correct. 

> 
> Fixing these solves the build failure problem on Debian/Lenny.
> 
> Apart from the above all fenics packages built very easly on
> Debian/Lenny with no changes. Thank you.
> However the dolfin package has a build dependency on swig (>=1.3.37).
> Lenny has
> 1.3.36. Downgrading the dependency to 1.3.36 seemed to cause no build
> problems.
> However I wonder if I have exposed any runtime bugs here. Is there an
> absolute dependency
> on version 1.3.37 of swig ? 

I think 1.3.37 is required in the development version. Not sure for the
stable branch. 

>
> Could this be the reason that the demo at
> http://www.fenics.org/wiki/Tutorial segfaults. Similar segmentation
> faults also occur
> with many of the demo python scripts in the dolfin-doc package. This
> behavior is also seen
> with the C++ examples for instance in demo/pde/poisson/cpp running :
> 
> scons
> ./demo 
> 
> results in a segmentation fault. GDB shows :
> 
> (gdb) run
> Starting program: /home/bt/demo/pde/poisson/cpp/demo 
> [Thread debugging using libthread_db enabled]
> [New Thread 0xb5a936c0 (LWP 4791)]
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0xb5a936c0 (LWP 4791)]
> 0xb7ece3c7 in MPID_P4_Init () from /usr/lib/libdolfin.so.0
> (gdb) where
> #0  0xb7ece3c7 in MPID_P4_Init () from /usr/lib/libdolfin.so.0
> #1  0xb7ecd3ad in MPID_CH_InitMsgPass () from /usr/lib/libdolfin.so.0
> #2  0xb7ec86ad in MPID_Init () from /usr/lib/libdolfin.so.0
> #3  0xb7e9436c in MPIR_Init () from /usr/lib/libdolfin.so.0
> #4  0xb7e941bc in PMPI_Init () from /usr/lib/libdolfin.so.0
> #5  0xb7de30c8 in dolfin::SubSystemsManager::initMPI ()
> from /usr/lib/libdolfin.so.0
> #6  0xb7de09a7 in dolfin::MPI::num_processes ()
> from /usr/lib/libdolfin.so.0
> #7  0xb7dd5072 in dolfin::Logger::Logger ()
> from /usr/lib/libdolfin.so.0
> #8  0xb7dd4865 in ?? () from /usr/lib/libdolfin.so.0
> #9  0xb7edf2fd in ?? () from /usr/lib/libdolfin.so.0
> #10 0xb7f63d70 in ?? () from /usr/lib/libdolfin.so.0
> #11 0xb7fa5928 in ?? ()
> #12 0xbfbc1f08 in ?? ()
> #13 0xb7cbb948 in _init () from /usr/lib/libdolfin.so.0
> Backtrace stopped: frame did not save the PC
> 
> What may I not being doing correctly ?
> 
> regards
> B Thomas
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