1449809 - Intermittent dom/media/webaudio/test/test_gainNodeInLoop.html | maxDifference: 0.5, first bad index: 0 with test-data offset 0 and expected-data offset 0; corresponding values 1 and 0.5 --- differences - got 4, expected +0

Status: RESOLVED INCOMPLETE

(Core :: Web Audio, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: rgurzau [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=170949441&repo=mozilla-inbound

https://queue.taskcluster.net/v1/task/GheUVeJIS-6_iGiF_YS6KQ/runs/0/artifacts/public/logs/live_backing.log

02:08:28     INFO -  327 INFO TEST-START | dom/media/webaudio/test/test_gainNodeInLoop.html
02:08:28     INFO -  TEST-INFO | started process screenshot
02:08:28     INFO -  TEST-INFO | screenshot: exit 0
02:08:28     INFO -  Buffered messages logged at 02:08:28
02:08:28     INFO -  328 INFO TEST-PASS | dom/media/webaudio/test/test_gainNodeInLoop.html | Correct number of channels for expected buffer 0
02:08:28     INFO -  329 INFO TEST-PASS | dom/media/webaudio/test/test_gainNodeInLoop.html | Correct number of expected frames
02:08:28     INFO -  Buffered messages finished
02:08:28    ERROR -  330 INFO TEST-UNEXPECTED-FAIL | dom/media/webaudio/test/test_gainNodeInLoop.html | maxDifference: 0.5, first bad index: 0 with test-data offset 0 and expected-data offset 0; corresponding values 1 and 0.5

Comment 1

[Stefan Hindli [:stefan_hindli]]

Over the last 7 days there are 30 failures on this bug. These happen on android-4-3-armv7-api16, Linux, Linux x64, linux64-ccov, macosx64-nightly, OS X 10.10, Windows 7, windows10-64, windows10-64-ccov, windows10-64-nightly, windows10-64-qr.
Here is the most recent log example: https://treeherder.mozilla.org/logviewer.html#?repo=mozilla-inbound&job_id=171361567&lineNumber=14800
Here is a relevant part of that log: 

[task 2018-04-01T11:16:46.648Z] 11:16:46     INFO - Buffered messages finished
[task 2018-04-01T11:16:46.651Z] 11:16:46     INFO - TEST-UNEXPECTED-FAIL | dom/media/webaudio/test/test_gainNodeInLoop.html | maxDifference: 0.5, first bad index: 0 with test-data offset 0 and expected-data offset 0; corresponding values 1 and 0.5 --- differences - got 4, expected +0
[task 2018-04-01T11:16:46.653Z] 11:16:46     INFO -     SimpleTest.is@SimpleTest/SimpleTest.js:312:5
[task 2018-04-01T11:16:46.654Z] 11:16:46     INFO -     compareChannels@dom/media/webaudio/test/webaudio.js:78:3
[task 2018-04-01T11:16:46.655Z] 11:16:46     INFO -     testOutput/context.oncomplete@dom/media/webaudio/test/webaudio.js:235:15
[task 2018-04-01T11:16:46.656Z] 11:16:46     INFO -     EventHandlerNonNull*testOutput@dom/media/webaudio/test/webaudio.js:228:9
[task 2018-04-01T11:16:46.657Z] 11:16:46     INFO -     runTestOnContext@dom/media/webaudio/test/webaudio.js:202:9
[task 2018-04-01T11:16:46.658Z] 11:16:46     INFO -     testOnOfflineContext@dom/media/webaudio/test/webaudio.js:250:7
[task 2018-04-01T11:16:46.659Z] 11:16:46     INFO -     runTestFunction/</<@dom/media/webaudio/test/webaudio.js:256:11
[task 2018-04-01T11:16:46.661Z] 11:16:46     INFO -     testOutput/context.oncomplete@dom/media/webaudio/test/webaudio.js:244:11
[task 2018-04-01T11:16:46.662Z] 11:16:46     INFO -     EventHandlerNonNull*testOutput@dom/media/webaudio/test/webaudio.js:228:9
[task 2018-04-01T11:16:46.663Z] 11:16:46     INFO -     runTestOnContext@dom/media/webaudio/test/webaudio.js:202:9
[task 2018-04-01T11:16:46.664Z] 11:16:46     INFO -     testOnOfflineContext@dom/media/webaudio/test/webaudio.js:250:7
[task 2018-04-01T11:16:46.665Z] 11:16:46     INFO -     runTestFunction/<@dom/media/webaudio/test/webaudio.js:255:9
[task 2018-04-01T11:16:46.666Z] 11:16:46     INFO -     testOutput/sp.onaudioprocess@dom/media/webaudio/test/webaudio.js:217:13
[task 2018-04-01T11:16:46.667Z] 11:16:46     INFO -     EventHandlerNonNull*testOutput@dom/media/webaudio/test/webaudio.js:211:9
[task 2018-04-01T11:16:46.668Z] 11:16:46     INFO -     runTestOnContext@dom/media/webaudio/test/webaudio.js:202:9
[task 2018-04-01T11:16:46.669Z] 11:16:46     INFO -     testOnNormalContext@dom/media/webaudio/test/webaudio.js:222:7
[task 2018-04-01T11:16:46.671Z] 11:16:46     INFO -     runTestFunction@dom/media/webaudio/test/webaudio.js:253:5
[task 2018-04-01T11:16:46.671Z] 11:16:46     INFO -     rval@SimpleTest/SimpleTest.js:146:17
[task 2018-04-01T11:16:46.673Z] 11:16:46     INFO -     EventHandlerNonNull*this.addLoadEvent@SimpleTest/SimpleTest.js:171:13
[task 2018-04-01T11:16:46.675Z] 11:16:46     INFO -     @SimpleTest/SimpleTest.js:1444:5

Comment 2

[Intermittent Failures Robot]

31 failures in 718 pushes (0.043 failures/push) were associated with this bug in the last 7 days.   

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **  

Repository breakdown:
* mozilla-inbound: 13
* autoland: 8
* mozilla-central: 7
* try: 3

Platform breakdown:
* linux64: 7
* windows10-64-qr: 6
* windows7-32: 5
* linux32: 5
* osx-10-10: 2
* windows7-32-nightly: 1
* windows10-64-nightly: 1
* windows10-64-ccov: 1
* windows10-64: 1
* linux64-ccov: 1
* android-4-3-armv7-api16: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-03-26&endday=2018-04-01&tree=trunk

Comment 3

[Intermittent Failures Robot]

15 failures in 158 pushes (0.095 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 7
* mozilla-inbound: 4
* try: 2
* mozilla-central: 2

Platform breakdown:
* linux64: 6
* windows7-32: 2
* linux64-qr: 2
* windows10-64-qr: 1
* windows10-64: 1
* osx-10-10: 1
* linux64-devedition: 1
* android-4-3-armv7-api16: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-04-04&endday=2018-04-04&tree=trunk

Comment 4

[Intermittent Failures Robot]

17 failures in 147 pushes (0.116 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 6
* mozilla-inbound: 5
* try: 3
* mozilla-central: 3

Platform breakdown:
* windows7-32: 5
* linux64: 4
* linux32: 2
* android-4-3-armv7-api16: 2
* windows10-64-qr: 1
* windows10-64: 1
* macosx64-nightly: 1
* linux64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-04-05&endday=2018-04-05&tree=trunk

Comment 5

[Intermittent Failures Robot]

21 failures in 133 pushes (0.158 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 9
* mozilla-inbound: 6
* mozilla-central: 4
* try: 2

Platform breakdown:
* windows7-32: 5
* linux64: 5
* linux32: 3
* windows10-64-qr: 2
* osx-10-10: 2
* android-4-3-armv7-api16: 2
* windows10-64: 1
* linux64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-04-06&endday=2018-04-06&tree=trunk

Comment 6

[Intermittent Failures Robot]

96 failures in 765 pushes (0.125 failures/push) were associated with this bug in the last 7 days. 

This is the #14 most frequent failure this week. 

** This failure happened more than 75 times this week! Resolving this bug is a very high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 1 week, the affected test(s) may be disabled. **   

Repository breakdown:
* mozilla-inbound: 36
* autoland: 30
* mozilla-central: 20
* try: 10

Platform breakdown:
* linux64: 25
* windows7-32: 18
* osx-10-10: 11
* android-4-3-armv7-api16: 11
* linux64-qr: 10
* windows10-64-qr: 7
* linux32: 6
* windows10-64: 5
* macosx64-nightly: 1
* linux64-devedition: 1
* linux32-nightly: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-04-02&endday=2018-04-08&tree=trunk

Comment 7

[Nils Ohlmeier [:drno]]

Linking to one single bug with the assumption they share a common root cause.

Comment 8

[Intermittent Failures Robot]

13 failures in 792 pushes (0.016 failures/push) were associated with this bug in the last 7 days.    

** This test has failed more than 150 times in the last 21 days. It should be disabled until it can be fixed. ** 

Repository breakdown:
* mozilla-inbound: 6
* try: 4
* mozilla-central: 2
* autoland: 1

Platform breakdown:
* windows7-32: 2
* windows10-64-qr: 2
* windows10-64: 2
* linux32-devedition: 2
* linux32: 2
* osx-10-10: 1
* linux64-qr: 1
* linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1449809&startday=2018-04-09&endday=2018-04-15&tree=trunk

Comment 9

[Firefox Bug Husbandry Bot]

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