Guess I'm still confused a bit - are you saying that the rebuild no longer fixes the problem?
Otherwise, I don't see a ready solution. If your system undergoes a significant change, then rebuilding is not an unexpected requirement. On Jan 5, 2012, at 10:39 AM, devendra rai wrote: > Hello Ralph, > > Yes, historically, the rebuild fixed the problem. But, now, how do I rebuild > against a new libc? And doesn't mpi build process automatically pick up > whatever libc version I have? > > I cant seem to google this solution. I already included my configure line for > building open-mpi. > > Thanks a lot. > > Devendra Rai > > From: Ralph Castain <r...@open-mpi.org> > To: devendra rai <rai.deven...@yahoo.co.uk>; Open MPI Users > <us...@open-mpi.org> > Sent: Thursday, 5 January 2012, 18:32 > Subject: Re: [OMPI users] Strange Segfault in mpirun: orterun.c:486 > > Let me see if I understand correctly. You performed some upgrades on Linux, > and then orterun fails. Rebuilding OMPI resolved the problem. > > Is that correct? If so, then I'm not terribly surprised - it depends on what > got upgraded. For example, if the default libc changed due to a revision > upgrade, then you probably do need to rebuild against it. > > > On Jan 5, 2012, at 10:28 AM, devendra rai wrote: > >> Hello All, >> >> This has happened to me many times, but a simple rebuild of the Open-MPI >> generally fixed it. >> >> I had a perfectly working (and tested) MPI application till a few days ago. >> Since then, there has been some upgrades on my Linux OS (basically, the ones >> which the system picks up automatically). >> >> Now, I rebuild and rerun the same application, I get this: >> >> mpirun: orterun.c:486: orterun: Assertion `((0xdeafbeedULL << 32) + >> 0xdeafbeedULL) == ((opal_object_t *) (&cmd_line))->obj_magic_id' failed. >> [Morpheus:24572] *** Process received signal *** >> [Morpheus:24572] Signal: Aborted (6) >> [Morpheus:24572] Signal code: (-6) >> [Morpheus:24572] [ 0] /lib64/libpthread.so.0(+0xf2d0) [0x7fd23c9312d0] >> [Morpheus:24572] [ 1] /lib64/libc.so.6(gsignal+0x35) [0x7fd23c5e7ab5] >> [Morpheus:24572] [ 2] /lib64/libc.so.6(abort+0x186) [0x7fd23c5e8fb6] >> [Morpheus:24572] [ 3] /lib64/libc.so.6(__assert_fail+0xf5) [0x7fd23c5e0385] >> [Morpheus:24572] [ 4] >> /home/Morpheus/CustomInstalledPrograms/OpenMPI-1.4.2/bin/mpirun() [0x4037ed] >> [Morpheus:24572] [ 5] >> /home/Morpheus/CustomInstalledPrograms/OpenMPI-1.4.2/bin/mpirun() [0x4032a4] >> [Morpheus:24572] [ 6] /lib64/libc.so.6(__libc_start_main+0xfd) >> [0x7fd23c5d3bfd] >> [Morpheus:24572] [ 7] >> /home/Morpheus/CustomInstalledPrograms/OpenMPI-1.4.2/bin/mpirun() [0x4031c9] >> [Morpheus:24572] *** End of error message *** >> >> >> I have a custom installation of open-mpi, with the configure script looking >> like this: >> >> ./configure --enable-mpi-threads=yes >> -prefix=/home/Morpheus/CustomInstalledPrograms/OpenMPI-1.4.2 >> --enable-mem-profile --enable-mem-debug --enable-debug --enable-trace >> --enable-memchecker --with-valgrind=/usr --with-threads=posix >> >> The rebuild of my application was successful. >> >> Where should I fix it? and How? >> >> Thanks for ideas. >> >> Best >> >> Devendra >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users