1526759 - Intermittent /resource-timing/resource-timing-level1.sub.html | 'iframe: 250ms delay before 'responseStart', another 250ms delay before 'responseEnd'. - assert_greater_than_equal: 'responseStart' must be 250ms later than 'requestStart'. expected a number

Status: RESOLVED DUPLICATE of bug 1527172

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

#[markdown(off)]
Filed by: rmaries [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=227479077&repo=mozilla-central

https://queue.taskcluster.net/v1/task/avW7G0cQQFWzqFnJoZ90cQ/runs/0/artifacts/public/logs/live_backing.log

[task 2019-02-10T10:42:27.314Z] 10:42:27 INFO - TEST-START | /resource-timing/resource-timing-level1.sub.html
[task 2019-02-10T10:42:27.331Z] 10:42:27 INFO - Closing window 82
[task 2019-02-10T10:42:56.743Z] 10:42:56 INFO -
[task 2019-02-10T10:42:56.743Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | No timeline entry for about:blank
[task 2019-02-10T10:42:56.743Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'iframe (Populate cache): The initial request populates the cache (if appropriate).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'iframe (Potentially Cached): Immediately fetch the same URL, exercising the cache hit path (if any).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'xmlhttprequest (Populate cache): The initial request populates the cache (if appropriate).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'xmlhttprequest (Potentially Cached): Immediately fetch the same URL, exercising the cache hit path (if any).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'script (Populate cache): The initial request populates the cache (if appropriate).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'script (Potentially Cached): Immediately fetch the same URL, exercising the cache hit path (if any).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'link (Populate cache): The initial request populates the cache (if appropriate).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-PASS | /resource-timing/resource-timing-level1.sub.html | 'link (Potentially Cached): Immediately fetch the same URL, exercising the cache hit path (if any).
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - TEST-UNEXPECTED-FAIL | /resource-timing/resource-timing-level1.sub.html | 'iframe: 250ms delay before 'responseStart', another 250ms delay before 'responseEnd'. - assert_greater_than_equal: 'responseStart' must be 250ms later than 'requestStart'. expected a number greater than or equal to 8170 but got 8160
[task 2019-02-10T10:42:56.744Z] 10:42:56 INFO - test/<@http://web-platform.test:8000/resource-timing/resource-timing-level1.js:135:29
[task 2019-02-10T10:42:56.745Z] 10:42:56 INFO - createOnloadCallbackFn/</<@http://web-platform.test:8000/resource-timing/resource-timing-level1.js:478:29
[task 2019-02-10T10:42:56.745Z] 10:42:56 INFO - assertInvariants/<@http://web-platform.test:8000/resource-timing/resource-timing-level1.js:309:25
[task 2019-02-10T10:42:56.745Z] 10:42:56 INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1566:20
[task 2019-02-10T10:42:56.745Z] 10:42:56 INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1590:20
[task 2019-02-10T10:42:56.746Z] 10:42:56 INFO - Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:1624:20
[task 2019-02-10T10:42:56.746Z] 10:42:56 INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1566:20
[task 2019-02-10T10:42:56.746Z] 10:42:56 INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1590:20
[task 2019-02-10T10:42:56.746Z] 10:42:56 INFO -

Comment 1

[Intermittent Failures Robot]

1 failures in 2658 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• android-em-7-0-x86: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-02-04&endday=2019-02-10&tree=all

Comment 2

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

The last wpt update contained bug 1517720 and since that landed there are many different failures for that test: https://bugzilla.mozilla.org/buglist.cgi?list_id=14563068&short_desc=resource-timing%20iframe&classification=Client%20Software&classification=Developer%20Infrastructure&classification=Components&classification=Server%20Software&classification=Other&query_format=advanced&short_desc_type=allwordssubstr

Comment 3

[Intermittent Failures Robot]

7 failures in 2832 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3
• mozilla-central: 4

Platform breakdown:

• windows10-64: 1
• windows7-32: 3
• android-em-7-0-x86: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-02-11&endday=2019-02-17&tree=all

Comment 4

[James Graham [:jgraham]]

I think someone from the DOM team needs to look at the test and figure out what's going on to make it so unstable.

Comment 5

[Intermittent Failures Robot]

2 failures in 2981 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 2

Platform breakdown:

• android-em-7-0-x86: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-02-25&endday=2019-03-03&tree=all

Comment 6

[Intermittent Failures Robot]

1 failures in 2818 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• android-em-7-0-x86: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-03-04&endday=2019-03-10&tree=all

Comment 8

[Intermittent Failures Robot]

1 failures in 2771 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• android-em-7-0-x86: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-03-11&endday=2019-03-17&tree=all

Comment 9

[Intermittent Failures Robot]

6 failures in 3910 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• autoland: 1

Platform breakdown:

• android-em-7-0-x86: 5
• windows7-32: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1526759&startday=2019-03-25&endday=2019-03-31&tree=all