我已经从 Ubuntu 中可用的标准 apt-get install 安装了 openmpi 库。我运行一个调用 MPI 库的 python 代码。我收到以下错误。任何想法错误的根源是什么？是 OpenMPI 配置错误吗？如何解决这个问题？
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_paffinity_hwloc: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_carto_auto_detect: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_carto_file: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_shmem_mmap: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_shmem_posix: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
[thebigbang:17162] mca: base: component_find: unable to open /usr/lib/openmpi/lib/openmpi/mca_shmem_sysv: perhaps a missing symbol, or compiled for a different version of Open MPI? (ignored)
--------------------------------------------------------------------------
It looks like opal_init failed for some reason; your parallel process is
likely to abort. There are many reasons that a parallel process can
fail during opal_init; some of which are due to configuration or
environment problems. This failure appears to be an internal failure;
here's some additional information (which may only be relevant to an
Open MPI developer):
opal_shmem_base_select failed
--> Returned value -1 instead of OPAL_SUCCESS
--------------------------------------------------------------------------
[thebigbang:17162] [[INVALID],INVALID] ORTE_ERROR_LOG: Error in file runtime/orte_init.c at line 79
--------------------------------------------------------------------------
It looks like MPI_INIT failed for some reason; your parallel process is
likely to abort. There are many reasons that a parallel process can
fail during MPI_INIT; some of which are due to configuration or environment
problems. This failure appears to be an internal failure; here's some
additional information (which may only be relevant to an Open MPI
developer):
ompi_mpi_init: orte_init failed
--> Returned "Error" (-1) instead of "Success" (0)
--------------------------------------------------------------------------
*** An error occurred in MPI_Init
*** on a NULL communicator
*** MPI_ERRORS_ARE_FATAL: your MPI job will now abort
[thebigbang:17162] Local abort before MPI_INIT completed successfully; not able to aggregate error messages, and not able to guarantee that all other processes were killed!
链接和模块加载方式似乎是一个有点复杂的问题。解决方案是编译 openmpi--disable-dlopen
编译用--disable-mca-dso也为我工作。不幸的是，我不知道这在 ubuntu 上有多容易。
See http://www.open-mpi.org/faq/?category=building#avoid-dso
我在这里找到了解决方案：
http://r.789695.n4.nabble.com/Problem-installing-Rmpi-with-Open-MPI-td4641762.html
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