No George, this trick does not change the problem. I'm looking for the problem in the mca_pml_v declaration, but I still can't figure out the reason why it doesn't work.
Leonardo On Mar 5, 2010, at 8:12 PM, George Bosilca wrote: > I would first try the Open MPI configure option --disable-visibility. If this > doesn't fix it, you should make sure that dlopen is called with the GLOBAL > flag on (don't remember where exactly in the code and unfortunately I can't > check right now). Use gdb and set a breakpoint to dlopen and you will find it. > > george. > > On Mar 5, 2010, at 14:00 , Leonardo Fialho wrote: > >> Yeah, probably ompi_request_null and opal_output are not good candidates. >> I'm trying with mca_pml_v. But I'm not familiarized with this framework >> although it is really small. >> >> George, you said to change this (opal/mca/base/mca_base_component_find.c): >> >> #if OPAL_HAVE_LTDL_ADVISE >> component_handle = lt_dlopenadvise(target_file->filename, opal_mca_dladvise); >> #else >> component_handle = lt_dlopenext(target_file->filename); >> #endif >> >> to use lt_dladvise_global instead of lt_dladvise_local? >> >> Leonardo >> >> On Mar 5, 2010, at 7:47 PM, Terry Dontje wrote: >> >>> I would also start nm'ing the .so's you think the U symbols are resolved in >>> to make sure they are exposed. Luckily you only have 3 symbols to look for. >>> >>> --td >>> >>> Ralph Castain wrote: >>>> It's probably a visibility issue - check for an OMPI_DECLSPEC missing from >>>> the declaration of a symbol. >>>> >>>> On Mar 5, 2010, at 11:40 AM, Leonardo Fialho wrote: >>>> >>>> >>>>> Yes, >>>>> >>>>> I renamed all references to Aurelien's componant name and removed all >>>>> code regarding to the component itself. There are only functions which >>>>> returns OMPI_SUCCESS. No other function is called. >>>>> >>>>> I'm debugging with LD_DEBUG=symbols, but the output is really huge! >>>>> Probably the error is in the mca_pml_v symbol: >>>>> >>>>> 19643: /home/lfialho/lib/openmpi/mca_vprotocol_receiver.so: error: >>>>> symbol lookup error: undefined symbol: mca_pml_v (fatal) >>>>> >>>>> Leonardo >>>>> >>>>> On Mar 5, 2010, at 7:35 PM, Ralph Castain wrote: >>>>> >>>>> >>>>>> You said this component was a copy of Aurelien's component? Did you >>>>>> rename the critical elements (e.g., component, module) inside it to >>>>>> avoid name confusion? >>>>>> >>>>>> On Mar 5, 2010, at 11:27 AM, Leonardo Fialho wrote: >>>>>> >>>>>> >>>>>>> I see... but it is really strange because this module is clean, it does >>>>>>> not use nothing. This is the output of the nm command, I can't see any >>>>>>> symbol which is not available. >>>>>>> >>>>>>> [lfialho@aoclsb-clus openmpi]$ nm mca_vprotocol_receiver.so >>>>>>> 0000000000201208 a _DYNAMIC >>>>>>> 0000000000201408 a _GLOBAL_OFFSET_TABLE_ >>>>>>> w _Jv_RegisterClasses >>>>>>> 00000000002011e0 d __CTOR_END__ >>>>>>> 00000000002011d8 d __CTOR_LIST__ >>>>>>> 00000000002011f0 d __DTOR_END__ >>>>>>> 00000000002011e8 d __DTOR_LIST__ >>>>>>> 00000000000011d0 r __FRAME_END__ >>>>>>> 00000000002011f8 d __JCR_END__ >>>>>>> 00000000002011f8 d __JCR_LIST__ >>>>>>> 0000000000201640 A __bss_start >>>>>>> w __cxa_finalize@@GLIBC_2.2.5 >>>>>>> 0000000000000d40 t __do_global_ctors_aux >>>>>>> 00000000000007c0 t __do_global_dtors_aux >>>>>>> 0000000000201200 d __dso_handle >>>>>>> w __gmon_start__ >>>>>>> 0000000000201640 A _edata >>>>>>> 0000000000201648 A _end >>>>>>> 0000000000000d78 T _fini >>>>>>> 0000000000000750 T _init >>>>>>> 00000000000007a0 t call_gmon_start >>>>>>> 0000000000201640 b completed.6115 >>>>>>> 0000000000000810 t frame_dummy >>>>>>> U mca_pml_v >>>>>>> 0000000000201460 D mca_vprotocol_receiver >>>>>>> 0000000000000c71 t mca_vprotocol_receiver_add_comm >>>>>>> 0000000000000a5f t mca_vprotocol_receiver_add_procs >>>>>>> 0000000000201540 D mca_vprotocol_receiver_component >>>>>>> 0000000000000cc3 t mca_vprotocol_receiver_component_close >>>>>>> 0000000000000d18 t mca_vprotocol_receiver_component_finalize >>>>>>> 0000000000000cce t mca_vprotocol_receiver_component_init >>>>>>> 0000000000000cb8 t mca_vprotocol_receiver_component_open >>>>>>> 0000000000000c93 t mca_vprotocol_receiver_del_comm >>>>>>> 0000000000000a89 t mca_vprotocol_receiver_del_procs >>>>>>> 000000000000083c t mca_vprotocol_receiver_dump >>>>>>> 0000000000000d23 t mca_vprotocol_receiver_enable >>>>>>> 00000000000009e7 t mca_vprotocol_receiver_iprobe >>>>>>> 0000000000000b9a t mca_vprotocol_receiver_irecv >>>>>>> 0000000000000ab3 t mca_vprotocol_receiver_isend >>>>>>> 0000000000000a29 t mca_vprotocol_receiver_probe >>>>>>> 0000000000000c00 t mca_vprotocol_receiver_recv >>>>>>> 0000000000000b21 t mca_vprotocol_receiver_send >>>>>>> 00000000000009bd T mca_vprotocol_receiver_start >>>>>>> 0000000000000864 t mca_vprotocol_receiver_test >>>>>>> 0000000000000896 t mca_vprotocol_receiver_test_all >>>>>>> 00000000000008d0 t mca_vprotocol_receiver_test_any >>>>>>> 0000000000000950 t mca_vprotocol_receiver_test_some >>>>>>> 0000000000000916 t mca_vprotocol_receiver_wait_any >>>>>>> 000000000000098a t mca_vprotocol_receiver_wait_some >>>>>>> U ompi_request_null >>>>>>> U opal_output >>>>>>> 0000000000201440 d p.6113 >>>>>>> [lfialho@aoclsb-clus openmpi]$ >>>>>>> >>>>>>> On Mar 5, 2010, at 7:00 PM, Terry Dontje wrote: >>>>>>> >>>>>>> >>>>>>>> Sorry meant to add this, but you might be able to try and find the >>>>>>>> symbol causing the issue by twiddling with LD_DEBUG >>>>>>>> >>>>>>>> --td >>>>>>>> Terry Dontje wrote: >>>>>>>> >>>>>>>>> Possibly there is an external symbol in the .so that is being loaded >>>>>>>>> that cannot be resolved. >>>>>>>>> --td >>>>>>>>> Leonardo Fialho wrote: >>>>>>>>> >>>>>>>>>> Hi, >>>>>>>>>> >>>>>>>>>> I know that libtool does not help us to find the source of this >>>>>>>>>> error, but, what can generate the following error? >>>>>>>>>> >>>>>>>>>> [aoclsb-clus.uab.es:11724] mca: base: component_find: unable to open >>>>>>>>>> /home/lfialho/lib/openmpi/mca_vprotocol_receiver: perhaps a missing >>>>>>>>>> symbol, or compiled for a different version of Open MPI? (ignored) >>>>>>>>>> >>>>>>>>>> 1) yes, the file exists >>>>>>>>>> 2) yes, it has been compiled among all other components >>>>>>>>>> 3) yes, it is the same Open MPI version >>>>>>>>>> 4) this component is a copy of the pessimist component implemented >>>>>>>>>> by Aurelien >>>>>>>>>> 5) Aurelien's component presents the same error >>>>>>>>>> >>>>>>>>>> The question is: what mistake should generate an error during module >>>>>>>>>> loading? >>>>>>>>>> >>>>>>>>>> Thanks in advance, >>>>>>>>>> Leonardo >>>>>>>>>> _______________________________________________ >>>>>>>>>> devel mailing list >>>>>>>>>> de...@open-mpi.org >>>>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>>>>>>> >>>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> devel mailing list >>>>>>>>> de...@open-mpi.org >>>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> devel mailing list >>>>>>>> de...@open-mpi.org >>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>>>>> >>>>>>> _______________________________________________ >>>>>>> devel mailing list >>>>>>> de...@open-mpi.org >>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>>>> >>>>>> _______________________________________________ >>>>>> devel mailing list >>>>>> de...@open-mpi.org >>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>>> >>>>> _______________________________________________ >>>>> devel mailing list >>>>> de...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>>> >>>> >>>> >>>> _______________________________________________ >>>> devel mailing list >>>> de...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>> >>> >>> _______________________________________________ >>> devel mailing list >>> de...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >> >> >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
