On Tue, Apr 12, 2011 at 4:49 PM, Andrea Bressan <andrea.bres...@unipv.it> wrote: > I recently upgraded openmpi and octave and found some minor issues using > openmpi_ext. > > Compiling stops in MPI_Probe.cc and MPI_Iprobe.cc. > Both files contains the function put_MPI_Stat(const MPI_Status&) > and in that function there are references to MPI_Status._count and > MPI_Status._cancelled. > The problem is that those fields are not defined in the MPI specs and were > specific to openmpi 1.3.3 implementation. The correct way to get those > informations is by calling the corresponding functions (MPI_Get_count and > MPI_Test_cancelled). > Since I do not use those functions I simply commented those lines and > everything worked (clearly not the rigth solution). > > With octave 3.4.0 if I try to launch a parallel octave work I get the > following error that I did not get with older versions: > octave: symbol lookup error: /usr/lib/openmpi/openmpi/mca_paffinity_hwloc.so: > undefined symbol: mca_base_param_reg_int > > I have found with google that it is due to an incorrect loading order of the > openmpi libraries and can be solved in many ways. The easiest is preloading > openmpi.so by using LD_PRELOAD environment variable. Set LD_PRELOAD to the > full path of openmpi.so before calling mpirun. Maybe it is worth mentioning > in the README. > > Hope this is useful > > Andrea Bressan > > ------------------------------------------------------------------------------ > Forrester Wave Report - Recovery time is now measured in hours and minutes > not days. Key insights are discussed in the 2010 Forrester Wave Report as > part of an in-depth evaluation of disaster recovery service providers. > Forrester found the best-in-class provider in terms of services and vision. > Read this report now! http://p.sf.net/sfu/ibm-webcastpromo > _______________________________________________ > Octave-dev mailing list > Octave-dev@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/octave-dev >
Thanks, I had encountered the symbol lookup problem but had not yet gotten around to trying to solve it. Michael ------------------------------------------------------------------------------ Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo _______________________________________________ Octave-dev mailing list Octave-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/octave-dev
