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Unexpected Bpf tracelog #355
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Firgurred out the cause is backend_manager has a tail call which returns 1, we should check return value < 0 |
A tail call is a form mechanism that allows eBPF authors to break up their logic into multiple parts and go from one to the other. Unlike traditional function calls, control flow never returns to the code making a tail call. Maybe need to be confirmed again. |
I am not sure how can backend_manager return 1, above is my guess though, i do not find any official docs
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I cannot reproduce this with the latest main branch |
What happened:
Running L7 waypoint example https://kmesh.net/en/docs/userguide/try_waypoint/.
I have seen some errors in bpf log. not sure why it failed. But I can see the waypoint access log via enabling accesslog.
What you expected to happen:
How to reproduce it (as minimally and precisely as possible):
Anything else we need to know?:
Environment:
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