[GH-ISSUE #918] [Bug]: managed buffer register failed #292

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opened 2026-10-29 21:12:09 +00:00 by bsakaguchi · 3 comments

bsakaguchi commented

2026-10-29 21:12:09 +00:00

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Originally created by @stmatengss on GitHub (Oct 11, 2025).
Original GitHub issue: https://github.com/kvcache-ai/Mooncake/issues/918

Bug Report

Managed buffer registration fails when creating and initializing the Transfer engine in P2P mode.

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Ensure you searched for relevant issues and read the [documentation]

Originally created by @stmatengss on GitHub (Oct 11, 2025). Original GitHub issue: https://github.com/kvcache-ai/Mooncake/issues/918 ### Bug Report <img width="2384" height="730" alt="Image" src="https://github.com/user-attachments/assets/6ad6818b-a488-4711-aeb9-d33079214e43" /> Managed buffer registration fails when creating and initializing the Transfer engine in P2P mode. ### Before submitting... - [ ] Ensure you searched for relevant issues and read the [documentation]

bsakaguchi

2026-10-29 21:12:09 +00:00

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bsakaguchi commented

2026-10-29 21:12:10 +00:00

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@alogfans commented on GitHub (Oct 13, 2025):

You can check the following:

Privillege, in some environments, a root is required
Memory kind, if nvidia_peermem not installed, registering a VRAM memory region may be problematic.
Memory validity.

@alogfans commented on GitHub (Oct 13, 2025): You can check the following: - Privillege, in some environments, a root is required - Memory kind, if nvidia_peermem not installed, registering a VRAM memory region may be problematic. - Memory validity.

bsakaguchi commented

2026-10-29 21:12:10 +00:00

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@github-actions[bot] commented on GitHub (Jun 27, 2026):

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 30 days if no further activity occurs. If this issue is still relevant, please comment to keep it open.

@github-actions[bot] commented on GitHub (Jun 27, 2026): This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 30 days if no further activity occurs. If this issue is still relevant, please comment to keep it open.

bsakaguchi commented

2026-10-29 21:12:10 +00:00

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@github-actions[bot] commented on GitHub (Jul 5, 2026):

Closing due to 3 months of inactivity. If this is still relevant, please comment and we can reopen.

@github-actions[bot] commented on GitHub (Jul 5, 2026): Closing due to 3 months of inactivity. If this is still relevant, please comment and we can reopen.