1455822 - Intermittent TV dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html | Unable to fetch WebGL rendering context for Canvas

Status: RESOLVED INCOMPLETE

(Core :: Graphics: CanvasWebGL, defect)

Description

[Treeherder Bug Filer]

Filed by: aciure [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=174889269&repo=mozilla-inbound

https://queue.taskcluster.net/v1/task/Mvnoyvg-Rle6KTj1ednMwQ/runs/0/artifacts/public/logs/live_backing.log

01:06:49     INFO -  1 INFO TEST-START | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html
01:06:51     INFO -  GECKO(2804) | Unable to read VR Path Registry from Z:\task_1524270337\AppData\Local\openvr\openvrpaths.vrpath
01:06:51     INFO -  GECKO(2804) | JavaScript warning: http://mochi.test:8888/tests/dom/canvas/test/webgl-conf/checkout/js/webgl-test-utils.js, line 1521: Error: WebGL warning: Refused to create WebGL2 context because of blacklist entry: FEATURE_FAILURE_UNKNOWN_DEVICE_VENDOR
01:06:51     INFO -  GECKO(2804) | JavaScript warning: http://mochi.test:8888/tests/dom/canvas/test/webgl-conf/checkout/js/webgl-test-utils.js, line 1521: Error: WebGL warning: Failed to create WebGL context: WebGL creation failed:
01:06:51     INFO -  GECKO(2804) | * Refused to create WebGL2 context because of blacklist entry: FEATURE_FAILURE_UNKNOWN_DEVICE_VENDOR
01:06:51     INFO -  TEST-INFO | started process screenshot
01:06:51     INFO -  TEST-INFO | screenshot: exit 0
01:06:51     INFO -  Buffered messages logged at 01:06:50
01:06:51     INFO -  2 INFO TEST-PASS | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html | A valid string reason is expected
01:06:51     INFO -  3 INFO TEST-PASS | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html | Reason cannot be empty
01:06:51     INFO -  Buffered messages finished
01:06:51    ERROR -  4 INFO TEST-UNEXPECTED-FAIL | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html | Unable to fetch WebGL rendering context for Canvas
01:06:51     INFO -      reportResults@dom/canvas/test/webgl-conf/mochi-single.html?checkout/conformance2/textures/image_bitmap_from_canvas/tex-3d-r8ui-red_integer-unsigned_byte.html?webglVersion=2:22:7
01:06:51     INFO -      reportTestResultsToHarness@dom/canvas/test/webgl-conf/checkout/js/js-test-pre.js:116:5
01:06:51     INFO -      testFailed@dom/canvas/test/webgl-conf/checkout/js/js-test-pre.js:246:5
01:06:51     INFO -      create3DContext@dom/canvas/test/webgl-conf/checkout/js/webgl-test-utils.js:1529:5
01:06:51     INFO -      init@dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-image-bitmap-from-canvas.js:41:14
01:06:51     INFO -      @dom/canvas/test/webgl-conf/checkout/conformance2/textures/image_bitmap_from_canvas/tex-3d-r8ui-red_integer-unsigned_byte.html?webglVersion=2:55:1
01:06:51     INFO -  GECKO(2804) | JavaScript error: http://mochi.test:8888/tests/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-image-bitmap-from-canvas.js, line 48: TypeError: gl is null
01:11:49     INFO -  Not taking screenshot here: see the one that was previously logged
01:11:49    ERROR -  5 INFO TEST-UNEXPECTED-FAIL | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__image_bitmap_from_canvas__tex-3d-r8ui-red_integer-unsigned_byte.html | Test timed out.
01:11:49     INFO -      reportError@SimpleTest/TestRunner.js:121:7

Comment 1

[Intermittent Failures Robot]

15 failures in 44 pushes (0.341 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* mozilla-central: 9
* autoland: 6

Platform breakdown:
* windows7-32: 6
* windows10-64: 6
* windows7-32-nightly: 1
* windows10-64-nightly: 1
* windows10-64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1455822&startday=2018-04-21&endday=2018-04-21&tree=trunk

Comment 2

[Intermittent Failures Robot]

19 failures in 782 pushes (0.024 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* mozilla-central: 7
* mozilla-inbound: 6
* autoland: 6

Platform breakdown:
* windows7-32: 9
* windows10-64: 8
* windows10-64-nightly: 1
* windows10-64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1455822&startday=2018-04-16&endday=2018-04-22&tree=trunk

Comment 3

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup