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runtime: epoll reader is blocked for a period of time because of runtime.netpollWaiters overflow [1.20 backport] #60833

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gopherbot opened this issue Jun 16, 2023 · 2 comments
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CherryPickCandidate Used during the release process for point releases compiler/runtime Issues related to the Go compiler and/or runtime. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
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@gopherbot
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@ianlancetaylor requested issue #60782 to be considered for backport to the next 1.20 minor release.

@gopherbot Please open backport issues.

This is an unusual but serious problem. A counter is not decremented as expected, and can overflow.

@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Jun 16, 2023
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jun 16, 2023
@gopherbot gopherbot added this to the Go1.20.6 milestone Jun 16, 2023
@dmitshur
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The upstream issue is planned to be fixed in Go 1.22, which isn't due until August.

@dmitshur dmitshur added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Jun 28, 2023
@gopherbot gopherbot modified the milestones: Go1.20.6, Go1.20.7 Jul 11, 2023
@ianlancetaylor
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The fix on HEAD turned out to have unexpected complications in the scheduler. This is too risky to backport.

@ianlancetaylor ianlancetaylor closed this as not planned Won't fix, can't repro, duplicate, stale Jul 20, 2023
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Labels
CherryPickCandidate Used during the release process for point releases compiler/runtime Issues related to the Go compiler and/or runtime. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
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