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coll/xhc: Fix MCA var related segfault with sessions #13024

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merged 1 commit into from
Jan 8, 2025

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@gkatev gkatev commented Jan 8, 2025

The MCA subsystem clears the storage of string variables at de-init. Keep the defaults for the mca vars in a secondary structure, so they remain available through subsequent Init events.

Fixes #13013, closes #13023.

The MCA subsystem clears the storage of string variables at de-init.
Keep our defaults in a secondary structure, so they remain available
through subsequent Init events. (open-mpi#13013)

Signed-off-by: George Katevenis <[email protected]>
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Thanks for adding the helpful comment section!

@hppritcha hppritcha merged commit 673ec16 into open-mpi:main Jan 8, 2025
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@gkatev gkatev deleted the xhc_fix_sessions_mca_sigsegv branch January 8, 2025 16:49
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coll/xhc not sessions friendly
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