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Blacklist the HWLOC GL component to avoid deadlock #1811

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Sep 26, 2023
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Blacklist the HWLOC GL component to avoid deadlock #1811

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8 changes: 8 additions & 0 deletions src/hwloc/hwloc_base_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1878,6 +1878,14 @@ int prte_hwloc_base_topology_set_flags(hwloc_topology_t topology, unsigned long
# endif
#endif
}
// Blacklist the "gl" component due to potential conflicts.
// See "https://github.com/open-mpi/ompi/issues/10025" for
// an explanation
#if HWLOC_VERSION_MAJOR > 2
hwloc_topology_set_components(topology, HWLOC_TOPOLOGY_COMPONENTS_FLAG_BLACKLIST, "gl");
#elif HWLOC_VERSION_MAJOR == 2 && HWLOC_VERSION_MINOR >= 1
hwloc_topology_set_components(topology, HWLOC_TOPOLOGY_COMPONENTS_FLAG_BLACKLIST, "gl");
#endif
return hwloc_topology_set_flags(topology, flags);
}

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