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Issue metadata

Status: Fixed
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug-Regression



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webgl2_conformance_tests failing on build210-m1 and build219-m1

Project Member Reported by sheriff-...@appspot.gserviceaccount.com, May 30 2018

Issue description

Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of fsamuel@google.com

webgl2_conformance_tests failing on multiple builders

Builders failed on: 
- Mac FYI Experimental Retina Release (AMD): 
  https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20%28AMD%29


 
Cc: -fsamuel@google.com fsam...@chromium.org kbr@chromium.org jmad...@chromium.org
Components: Blink>WebGL Internals>GPU
Labels: Hotlist-PixelWrangler OS-Mac
Status: Untriaged (was: Available)

Comment 2 by fsamuel@google.com, May 30 2018

It's not obvious to me what could cause the failure. No gpu / compositing changes appear in the blame list.
This seems to me like some kind of infra issue? in which case it probably wouldn't be a chromium regression.

Comment 4 by kbr@chromium.org, May 31 2018

Cc: d...@chromium.org
Components: -Internals>GPU Infra>Labs
Status: Available (was: Untriaged)
Summary: webgl2_conformance_tests failing on build210-m1 and build219-m1 (was: webgl2_conformance_tests failing on multiple builders)
Agreed, looking at both the first failing build:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20%28AMD%29/1972

as well as several of the failing shards from the two most recent builds:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20%28AMD%29/1987
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20%28AMD%29/1986

specifically:

https://chromium-swarm.appspot.com/task?id=3dcbb58554e45b10&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcbb58868991110&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcbb5a394a64010&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcbf8a2535f7610&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc03cd17f12d10&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc158cdcd43910&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc2250e341af10&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc2261f7081f10&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc658cbbbb7610&refresh=10&show_raw=1
https://chromium-swarm.appspot.com/task?id=3dcc158cdcd43910&refresh=10&show_raw=1

It's clear that the following two machines are failing nearly all the tests they run:
build210-m1
build219-m1

https://chromium-swarm.appspot.com/bot?id=build210-m1&sort_stats=total%3Adesc
https://chromium-swarm.appspot.com/bot?id=build219-m1&sort_stats=total%3Adesc

It's likely that they hibernated and came back up with the lock screen on, which is a known failure mode of the Mac laptops.

I've shut down these machines using the "Shut down gracefully" button in the Swarming UI on the above two pages. This will prevent jobs from running on them and failing.

Labs folks / dba@, could you please inspect build210-m1 and build219-m1? Thanks.

Comment 5 by kbr@chromium.org, May 31 2018

Labels: Type-Bug-Regression

Comment 6 by d...@chromium.org, May 31 2018

Owner: d...@chromium.org
Status: Fixed (was: Available)
Confirmed double lock screen seen via VNC. Unlocked and rebooted. Retry tasks succeded:

build210-m1: https://chromium-swarm.appspot.com/task?id=3dcf4fc8ec584610&refresh=3&show_raw=1
build219-m1: https://chromium-swarm.appspot.com/task?id=3dcf5008a7940e10&refresh=3&show_raw=1

Comment 7 by kbr@chromium.org, May 31 2018

Thank you Bryce!

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