TL/MLX5: fix context create hang

openucx / ucc

Unified Collective Communication Library

https://openucx.github.io/ucc/

BSD 3-Clause "New" or "Revised" License

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Closed Sergei-Lebedev closed 10 months ago

Sergei-Lebedev commented 10 months ago

Fix hanging in TL MLX5 context create.

PD_OWNER_RANK doesn't start service bcast If no IB devices found, other ranks hang in sbcast waiting for PD_OWNER_RANK

samnordmann commented 10 months ago

Is it valid to do sbcast if ppn=1 ?

Nevermind, I missed the part handling it