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osc/sm: Fix a bus error on MPI_WIN_{POST,START}. #1259

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Merged
merged 1 commit into from
Mar 15, 2016
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osc/sm: Fix a bus error on MPI_WIN_{POST,START}. #1259

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5 changes: 3 additions & 2 deletions ompi/mca/osc/sm/osc_sm_component.c
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Original file line number Diff line number Diff line change
Expand Up @@ -280,9 +280,10 @@ component_select(struct ompi_win_t *win, void **base, size_t size, int disp_unit
module->posts = calloc (comm_size, sizeof (module->posts[0]));
if (NULL == module->posts) return OMPI_ERR_TEMP_OUT_OF_RESOURCE;

module->global_state = (ompi_osc_sm_global_state_t *) (module->segment_base);
/* set module->posts[0] first to ensure 64-bit alignment */
module->posts[0] = (uint64_t *) (module->segment_base);
module->global_state = (ompi_osc_sm_global_state_t *) (module->posts[0] + comm_size * post_size);
module->node_states = (ompi_osc_sm_node_state_t *) (module->global_state + 1);
module->posts[0] = (uint64_t *) (module->node_states + comm_size);

for (i = 0, total = state_size + posts_size ; i < comm_size ; ++i) {
if (i > 0) {
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