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x/build: switch NetBSD and OpenBSD TryBots to builders that are not affected by known issues #50496

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bcmills opened this issue Jan 7, 2022 · 1 comment
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x/build: switch NetBSD and OpenBSD TryBots to builders that are not affected by known issues #50496

bcmills opened this issue Jan 7, 2022 · 1 comment
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Builders x/build issues (builders, bots, dashboards) FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done. Soon This needs action soon. (recent regressions, service outages, unusual time-sensitive situations)
Milestone
Go1.18

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@bcmills
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bcmills commented Jan 7, 2022

In #49209, we identified particular NetBSD and OpenBSD configurations that produce frequent crashes in Go programs due to suspected upstream kernel bugs. We also identified particular platforms that do not appear to be affected by those bugs (namely, builders running on Intel processors), and the resulting -n2 variants of the builders have been running fairly reliably: they exhibit only a few test flakes that appear to be unrelated to the kernel bugs.

On CL 376334, I got a TryBot failure from an OpenBSD builder that appears to be due to #49209. Given that we have identified the affected platforms, that TryBot failure seems entirely avoidable: we could have simply run the TryBot on an unaffected instance instead.

We should reconfigure the NetBSD and OpenBSD TryBots to avoid the builder configurations with known problems.

(CC @golang/release)
@bcmills bcmills added Builders x/build issues (builders, bots, dashboards) NeedsFix The path to resolution is known, but the work has not been done. Soon This needs action soon. (recent regressions, service outages, unusual time-sensitive situations) labels Jan 7, 2022
@bcmills bcmills added this to the Go1.18 milestone Jan 7, 2022
@gopherbot gopherbot added this to the Unreleased milestone Jan 7, 2022
@bcmills bcmills modified the milestones: Unreleased, Go1.18 Jan 7, 2022
@heschi heschi self-assigned this Jan 7, 2022
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Change https://golang.org/cl/377474 mentions this issue: dashboard: clean up builders affected by memory corruption

@rsc rsc unassigned heschi Jun 22, 2022
@bsiegert bsiegert mentioned this issue Aug 30, 2022
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Builders x/build issues (builders, bots, dashboards) FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done. Soon This needs action soon. (recent regressions, service outages, unusual time-sensitive situations)
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Go1.18
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@bcmills @gopherbot @heschi