LAM: mpirun error: dyld: Symbol not found: __kio

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LAM: mpirun error: dyld: Symbol not found: __kio
	2006-05-25 22:39:54
Hi, I am trying to run a rather simple MPI program using LAM/MPI 7.1.2 and Mac OS X 10.4.6. It compiles without complaining but when I try to run it using mpirun, it prints out the following error message as many times as I have processes running: dyld: Symbol not found: __kio Referenced from: /usr/local/lib/libmpi.0.dylib Expected in: flat namespace This then is followed by: ------------------------------------------------------------ ------------ ----- It seems that [at least] one of the processes that was started with mpirun did not invoke MPI_INIT before quitting (it is possible that more than one process did not invoke MPI_INIT -- mpirun was only notified of the first one, which was on node n8684). mpirun can only be used with MPI programs (i.e., programs that invoke MPI_INIT and MPI_FINALIZE). You can use the "lamexec" program to run non-MPI programs over the lambooted nodes. ------------------------------------------------------------ ------------ ----- Does this sound familiar to anyone? Thanks for help Jan _______________________________________________ This list is archived at http://www.l am-mpi.org/MailArchives/lam/

LAM: mpirun error: dyld: Symbol not found: __kio
	2006-05-25 22:55:43
I have very similar problems as well. Can somebody tell us how to fix this? Ming On May 25, 2006, at 3:39 PM, Jan F Steinbrener wrote: > Hi, > > I am trying to run a rather simple MPI program using LAM/MPI 7.1.2 > and Mac OS X 10.4.6. It compiles without complaining but when I try > to run it using mpirun, it prints out the following error message as > many times as I have processes running: > > dyld: Symbol not found: __kio > Referenced from: /usr/local/lib/libmpi.0.dylib > Expected in: flat namespace > > This then is followed by: > > ------------------------------------------------------------ ---------- > -- > ----- > It seems that [at least] one of the processes that was started with > mpirun did not invoke MPI_INIT before quitting (it is possible that > more than one process did not invoke MPI_INIT -- mpirun was only > notified of the first one, which was on node n8684). > > mpirun can only be used with MPI programs (i.e., programs that > invoke MPI_INIT and MPI_FINALIZE). You can use the "lamexec" program > to run non-MPI programs over the lambooted nodes. > ------------------------------------------------------------ ---------- > -- > ----- > > Does this sound familiar to anyone? > > Thanks for help > > Jan > > _______________________________________________ > This list is archived at http://www.l am-mpi.org/MailArchives/lam/ _______________________________________________ This list is archived at http://www.l am-mpi.org/MailArchives/lam/

LAM: mpirun error: dyld: Symbol not found: __kio
	2006-05-26 21:24:24
It appears that the linker that links the dynamic libraries is not very flexible as far as searching for dynamic libraries is concerned.. I could solve my problem by using mpicc as compiler and not specifying any -L or -I directories. My program is very simple though, it just involved two files, so I just did mpicc -c mpi_test.c mpicc -c mpi_functions.c mpicc -o mpi_test.o mpi_functions.o that worked for me... Jan On May 25, 2006, at 6:55 PM, Mingsheng Wei wrote: > I have very similar problems as well. Can somebody tell us how to fix > this? > > Ming > > > On May 25, 2006, at 3:39 PM, Jan F Steinbrener wrote: > >> Hi, >> >> I am trying to run a rather simple MPI program using LAM/MPI 7.1.2 >> and Mac OS X 10.4.6. It compiles without complaining but when I try >> to run it using mpirun, it prints out the following error message as >> many times as I have processes running: >> >> dyld: Symbol not found: __kio >> Referenced from: /usr/local/lib/libmpi.0.dylib >> Expected in: flat namespace >> >> This then is followed by: >> >> ------------------------------------------------------------ --------- >> - >> -- >> ----- >> It seems that [at least] one of the processes that was started with >> mpirun did not invoke MPI_INIT before quitting (it is possible that >> more than one process did not invoke MPI_INIT -- mpirun was only >> notified of the first one, which was on node n8684). >> >> mpirun can only be used with MPI programs (i.e., programs that >> invoke MPI_INIT and MPI_FINALIZE). You can use the "lamexec" program >> to run non-MPI programs over the lambooted nodes. >> ------------------------------------------------------------ --------- >> - >> -- >> ----- >> >> Does this sound familiar to anyone? >> >> Thanks for help >> >> Jan >> >> _______________________________________________ >> This list is archived at http://www.l am-mpi.org/MailArchives/lam/ > > _______________________________________________ > This list is archived at http://www.l am-mpi.org/MailArchives/lam/ –––––––––––––––––––––––––––– Jan F Steinbrener Department of Physics & Astronomy SUNY Stony Brook Stony Brook, NY 11794-3800 Phone: (631) 632-8002 steinbrexray1.physics.sunysb.edu _______________________________________________ This list is archived at http://www.l am-mpi.org/MailArchives/lam/

LAM: mpirun error: dyld: Symbol not found: __kio
	2006-06-08 04:03:45
On May 25, 2006, at 4:39 PM, Jan F Steinbrener wrote: > I am trying to run a rather simple MPI program using LAM/MPI 7.1.2 > and Mac OS X 10.4.6. It compiles without complaining but when I try > to run it using mpirun, it prints out the following error message as > many times as I have processes running: > > dyld: Symbol not found: __kio > Referenced from: /usr/local/lib/libmpi.0.dylib > Expected in: flat namespace It sounds like the linker is doing something screwy. Just to make sure, what is the output of: mpicc -showme Are you using the mpicc wrapper compiler to compile and link your application? Finally, if you are using XCode 2.3 (the most recent upgrade), it looks like they did something really screwy with the linker and flat namespaces. We have to use flat namespaces to make some horrible things we do for IB and GM. If you aren't using IB or GM, you might find your problems get much better if you recompile LAM with the -- without-memory-manager option so that you don't have to deal with the flat namespace issues. If you need IB or GM support, I'd recommend switching to Open MPI -- we don't have to force a flat namespace with Open MPI, so you get all the performance without all the linker pain. Brian -- Brian Barrett LAM/MPI developer and all around nice guy Have a LAM/MPI day: http://www.lam-mpi.org/ _______________________________________________ This list is archived at http://www.l am-mpi.org/MailArchives/lam/

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