{"action":"created","issue":{"url":"https://api.github.com/repos/open-mpi/ompi/issues/1286","labels_url":"https://api.github.com/repos/open-mpi/ompi/issues/1286/labels{/name}","comments_url":"https://api.github.com/repos/open-mpi/ompi/issues/1286/comments","events_url":"https://api.github.com/repos/open-mpi/ompi/issues/1286/events","html_url":"https://github.com/open-mpi/ompi/issues/1286","id":125380158,"number":1286,"title":"Segfault in rmaps_lb.c","user":{"login":"iljah","id":2098356,"avatar_url":"https://avatars.githubusercontent.com/u/2098356?v=3","gravatar_id":"","url":"https://api.github.com/users/iljah","html_url":"https://github.com/iljah","followers_url":"https://api.github.com/users/iljah/followers","following_url":"https://api.github.com/users/iljah/following{/other_user}","gists_url":"https://api.github.com/users/iljah/gists{/gist_id}","starred_url":"https://api.github.com/users/iljah/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iljah/subscriptions","organizations_url":"https://api.github.com/users/iljah/orgs","repos_url":"https://api.github.com/users/iljah/repos","events_url":"https://api.github.com/users/iljah/events{/privacy}","received_events_url":"https://api.github.com/users/iljah/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2016-01-07T11:54:01Z","updated_at":"2016-01-07T15:35:24Z","closed_at":null,"body":"I get the following when running mpiexec -n 1 echo with openmpi-1.10.1:\r\n```\r\nProgram received signal SIGSEGV, Segmentation fault.\r\n0x00007ffff4e21bd8 in switchyard (jdata=0x613470) at rmaps_lb.c:59\r\n(gdb) up\r\n#1  0x00007ffff7dd3149 in orte_rmaps_base_map_job () from ...libopen-rte.so.12\r\n(gdb) \r\n#2  0x00007ffff7b06b64 in event_process_active_single_queue (activeq=0x64c100, base=0x64bb80) at event.c:1367\r\n1367                            (*ev->ev_callback)(\r\n(gdb) \r\n#3  event_process_active (base=<optimized out>) at event.c:1437\r\n1437                            c = event_process_active_single_queue(base, activeq);\r\n(gdb) \r\n#4  opal_libevent2021_event_base_loop (base=0x64bb80, flags=1) at event.c:1647\r\n1647                            int n = event_process_active(base);\r\n(gdb) \r\n#5  0x0000000000404d32 in orterun (argc=4, argv=0x7fffffffdd78) at orterun.c:1133\r\n1133            opal_event_loop(orte_event_base, OPAL_EVLOOP_ONCE);\r\n(gdb) \r\n#6  0x00000000004035f0 in main (argc=4, argv=0x7fffffffdd78) at main.c:13\r\n13          return orterun(argc, argv);\r\n```\r\nI configured with --prefix=$HOME and compiled using gcc-4.8.3 on fedora 19."},"comment":{"url":"https://api.github.com/repos/open-mpi/ompi/issues/comments/169697415","html_url":"https://github.com/open-mpi/ompi/issues/1286#issuecomment-169697415","issue_url":"https://api.github.com/repos/open-mpi/ompi/issues/1286","id":169697415,"user":{"login":"rhc54","id":2440928,"avatar_url":"https://avatars.githubusercontent.com/u/2440928?v=3","gravatar_id":"","url":"https://api.github.com/users/rhc54","html_url":"https://github.com/rhc54","followers_url":"https://api.github.com/users/rhc54/followers","following_url":"https://api.github.com/users/rhc54/following{/other_user}","gists_url":"https://api.github.com/users/rhc54/gists{/gist_id}","starred_url":"https://api.github.com/users/rhc54/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhc54/subscriptions","organizations_url":"https://api.github.com/users/rhc54/orgs","repos_url":"https://api.github.com/users/rhc54/repos","events_url":"https://api.github.com/users/rhc54/events{/privacy}","received_events_url":"https://api.github.com/users/rhc54/received_events","type":"User","site_admin":false},"created_at":"2016-01-07T15:35:24Z","updated_at":"2016-01-07T15:35:24Z","body":"You must have installed on top of an existing installation as there is no \"rmaps_lb.c\" in the 1.10 series. You might try installing into a clean location and setting your path accordingly."}}