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SIGSEGV in graph_coarsen, graph_repart and block_ordering #10

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Keluaa opened this issue Jul 3, 2024 · 0 comments
Open

SIGSEGV in graph_coarsen, graph_repart and block_ordering #10

Keluaa opened this issue Jul 3, 2024 · 0 comments

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@Keluaa
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Keluaa commented Jul 3, 2024

Calls to SCOTCH_graphCoarsenBuild (from graph_coarsen), SCOTCH_graphRepart (from graph_repart) seem to trigger some segfaults in SCOTCH internals. The issues seem to be random, but always happen within 2-10 tries.

Similar things happen with block_ordering, but the issue seems to only happen with the artifact build of SCOTCH. Local ones are fine.
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@Keluaa