{"action":"closed","issue":{"url":"https://api.github.com/repos/flux-framework/flux-core/issues/1612","repository_url":"https://api.github.com/repos/flux-framework/flux-core","labels_url":"https://api.github.com/repos/flux-framework/flux-core/issues/1612/labels{/name}","comments_url":"https://api.github.com/repos/flux-framework/flux-core/issues/1612/comments","events_url":"https://api.github.com/repos/flux-framework/flux-core/issues/1612/events","html_url":"https://github.com/flux-framework/flux-core/issues/1612","id":345408068,"node_id":"MDU6SXNzdWUzNDU0MDgwNjg=","number":1612,"title":"MVAPICH jobs hang under flux and jsrun at certain scales on Sierra","user":{"login":"dongahn","id":862123,"node_id":"MDQ6VXNlcjg2MjEyMw==","avatar_url":"https://avatars3.githubusercontent.com/u/862123?v=4","gravatar_id":"","url":"https://api.github.com/users/dongahn","html_url":"https://github.com/dongahn","followers_url":"https://api.github.com/users/dongahn/followers","following_url":"https://api.github.com/users/dongahn/following{/other_user}","gists_url":"https://api.github.com/users/dongahn/gists{/gist_id}","starred_url":"https://api.github.com/users/dongahn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dongahn/subscriptions","organizations_url":"https://api.github.com/users/dongahn/orgs","repos_url":"https://api.github.com/users/dongahn/repos","events_url":"https://api.github.com/users/dongahn/events{/privacy}","received_events_url":"https://api.github.com/users/dongahn/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":25,"created_at":"2018-07-28T01:57:46Z","updated_at":"2018-09-04T18:25:50Z","closed_at":"2018-09-04T18:25:50Z","author_association":"CONTRIBUTOR","body":"From #1606:\r\n\r\nBoth the current master and my install version of Flux hang at some scales. One scale:\r\n\r\n```\r\nPMI_LIBRARY=/usr/global/tools/pmi4pmix/blueos_3_ppc64le_ib/lib/libpmi.so time jsrun -a 1 -c ALL_CPUS -g ALL_GPUS --bind=none -n 128 /usr/global/tools/flux/blueos_3_ppc64le_ib/default/bin/flux start bash -c unset PMI_LIBRARY; flux wreckrun -n 128 -N 128 virtual_ring_mpi\r\n```\r\n\r\nThis could be a bug in Flux or an issue in the system itself."}}
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