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x/build: intermittent failures on linux/ppc64 builder #25425

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laboger opened this issue May 16, 2018 · 2 comments

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commented May 16, 2018

What version of Go are you using (go version)?

tip

Does this issue reproduce with the latest release?

intermittently

What operating system and processor architecture are you using (go env)?

linux/ppc64

I've seen intermittent failures on the golang build page for the ppc64 column, (never ppc64le) and the logs show that the failures are due to hangs when testing the runtime pkg. I have never been able to reproduce this, but I suspect it is due to the timeout value not being high enough because of its intermittent nature. It must be close to the limit and sometimes goes over due to other factors on the system.

I'm not sure what the preferred way to increase the timeout for ppc64 testing in this case to see if that will resolve this problem. I can make the change if someone tells me what it should be.

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commented May 23, 2018

I can make the change if someone tells me what it should be.

If I understand your theory correctly, I think you should be able to add GO_TEST_TIMEOUT_SCALE=2 to the environment in golang.org/x/build/dashboard/builders.go.

(CC: @bradfitz in case I'm mistaken.)

@bcmills bcmills changed the title test: intermittent failures in linux/ppc64 on build page due to test hangs x/build: intermittent failures on linux/ppc64 builder May 23, 2018

@gopherbot gopherbot added this to the Unreleased milestone May 23, 2018

@gopherbot gopherbot added the Builders label May 23, 2018

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commented Aug 17, 2018

This particular problem hasn't happened in a while, so I will close it.

@laboger laboger closed this Aug 17, 2018

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