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Issue 630337 link

Starred by 4 users

Issue metadata

Status: Duplicate
Owner:
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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UnitTest, ImageTest stages failing with timeout errors on several canary builders

Project Member Reported by snanda@chromium.org, Jul 21 2016

Issue description

I've noticed a few builds failing in the last few days due to timeout errors in UnitTest and ImageTest stages.

Example failures:
https://uberchromegw.corp.google.com/i/chromeos/builders/buddy-release/builds/229/steps/UnitTest/logs/stdio
https://uberchromegw.corp.google.com/i/chromeos/builders/celes-release/builds/229/steps/UnitTest/logs/stdio

Aviv, would infra folks have any insights into these failures?  I looked at the logs for a bit but couldn't come up with any good theories to debug this further.
 
The noise about "monitoring flush failed" is unrelated log churn. I'll get that investigated separately.

The reason for failure here is that UnitTest is timing out. Either because some ebuild unit test is hanging, taking up a lot of CPU, or otherwise running slow, or because some other stage running in parallel is doing so.

Comment 2 by snanda@chromium.org, Jul 22 2016

Would you or someone else on the infra team have cycles to investigate this further?
How about we start with the sheriff?

I'd try to look for some new unit test that was added between https://uberchromegw.corp.google.com/i/chromeos/builders/buddy-release/builds/226 (green) and https://uberchromegw.corp.google.com/i/chromeos/builders/buddy-release/builds/227 (unit test timing out)
Actually, not so sure the problem started in 8616. It seems to have happened flakily prior to that.

Comment 5 by snanda@chromium.org, Jul 22 2016

Cc: davidri...@chromium.org
Cc: aaboagye@chromium.org rajatja@chromium.org hidehiko@chromium.org
+Sheriffs. rajatja@, aaboagye@, hidehiko@ can we investigate why the canaries were failing across the board at the unittest and imageTest stages?
Mergedinto: 627881
Status: Duplicate (was: Unconfirmed)
I've been investigating starting this morning. issue 627881 was where I was placing updates. I haven't figure out why it's taking so long. I was wondering if perhaps the buildslave was too heavily loaded.

Additionally, I'm not so sure that the infra/product taskforce needs to be cc'd on this.

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