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runtime: 'failed to trigger concurrent GC' in TestSelectStackAdjust #34693

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bcmills opened this issue Oct 4, 2019 · 2 comments

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@bcmills
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commented Oct 4, 2019

On the linux-ppc64le-power9osu builder (https://build.golang.org/log/585e960d0f000d42817bf1b361c8ecbf51d1294d):

--- FAIL: TestSelectStackAdjust (0.02s)
    chan_test.go:723: failed to trigger concurrent GC
FAIL
FAIL	runtime	35.499s

A similar failure consistently occurs on the openbsd-arm builder, but I'm not confident in its results because it still seems to be misconfigured (#25498 (comment)).

See previously #14852.

CC @mknyszek @aclements
@bcmills bcmills added this to the Go1.14 milestone Oct 4, 2019
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commented Oct 7, 2019

There's a discussion in #34391 that might be related to this failure. Some intermittent failures on ppc64 and ppc64le appear to be happening due to a problem with signals, and also affects linux/arm.
@rsc rsc modified the milestones: Go1.14, Backlog Oct 9, 2019
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commented Oct 11, 2019

linux-ppc64le-power9osu again: https://build.golang.org/log/25161e684426bdf04053d57fd93551dc53ee6234
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