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UCT/IB/MD: retry memory registration with reduced access flags on failure

Open amastbaum opened this issue 1 year ago • 5 comments

What?

Enable memory registration for read-only addresses.

Why?

A customer reported an issue when attempting to send read-only memory using RDMA. Details can be found in the related discussion: https://github.com/openucx/ucx/issues/10085#issuecomment-2377368540.

amastbaum avatar Dec 01 '24 15:12 amastbaum

@Artemy-Mellanox @iyastreb can you pls review?

yosefe avatar Feb 03 '25 08:02 yosefe

@yosefe do you want to review this one?

gleon99 avatar Feb 19 '25 09:02 gleon99

Hello, is there any update on this PR? We at JSC have a couple of issues that seem to be related to this fix.

filipesmg avatar May 22 '25 09:05 filipesmg

@filipesmg Reviewing this PR we uncovered additional work that is in progress and requires more extensive changes. We unfortunately cannot offer a timeline at this moment but wanted to let you know that we are still looking into this fix.

gleon99 avatar Nov 17 '25 09:11 gleon99

@gleon99 Thank you for the feedback! It's important also for the discussions on our side. Good luck on the further changes, I hope it doesn't take too long. 🍀

filipesmg avatar Nov 17 '25 09:11 filipesmg