1651357 - Intermittent dom/base/test/browser_force_process_selector.js | final tab cannot be in its own process -

Status: RESOLVED INCOMPLETE

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

Description

[Treeherder Bug Filer]

Filed by: csabou [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=308970355&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/E2tkcdUBQtO6cP2AEN7zWw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-07-08T12:12:42.469Z] 12:12:42 INFO - TEST-PASS | dom/base/test/browser_force_process_selector.js | new tab is in its own process: 0 -
[task 2020-07-08T12:12:42.469Z] 12:12:42 INFO - Buffered messages finished
[task 2020-07-08T12:12:42.470Z] 12:12:42 INFO - TEST-UNEXPECTED-FAIL | dom/base/test/browser_force_process_selector.js | final tab cannot be in its own process -
[task 2020-07-08T12:12:42.470Z] 12:12:42 INFO - Stack trace:
[task 2020-07-08T12:12:42.470Z] 12:12:42 INFO - chrome://mochikit/content/browser-test.js:test_ok:1299
[task 2020-07-08T12:12:42.471Z] 12:12:42 INFO - chrome://mochitests/content/browser/dom/base/test/browser_force_process_selector.js:spawnNewAndTest/</<:23
[task 2020-07-08T12:12:42.472Z] 12:12:42 INFO - resource://testing-common/BrowserTestUtils.jsm:withNewTab:146
[task 2020-07-08T12:12:42.472Z] 12:12:42 INFO - GECKO(2231) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-07-08T12:12:42.473Z] 12:12:42 INFO - Leaving test bound test
[task 2020-07-08T12:12:42.473Z] 12:12:42 INFO - GECKO(2231) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-07-08T12:12:42.474Z] 12:12:42 INFO - GECKO(2231) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-07-08T12:12:42.474Z] 12:12:42 INFO - GECKO(2231) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-07-08T12:12:42.474Z] 12:12:42 INFO - GECKO(2231) | MEMORY STAT | vsize 20975180MB | residentFast 1154MB
[task 2020-07-08T12:12:42.475Z] 12:12:42 INFO - TEST-OK | dom/base/test/browser_force_process_selector.js | took 5709ms

Comment 1

[Intermittent Failures Robot]

26 failures in 1064 pushes (0.024 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 23
• mozilla-central: 3

Platform breakdown:

• linux1804-64-asan: 16
• windows10-64: 10

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-10&endday=2020-07-10&tree=all

Comment 2

[Intermittent Failures Robot]

53 failures in 5265 pushes (0.01 failures/push) were associated with this bug in the last 7 days.

This is the #28 most frequent failure this week.

** 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:

• autoland: 47
• try: 2
• mozilla-central: 4

Platform breakdown:

• linux1804-64-asan: 32
• windows10-64: 21

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-06&endday=2020-07-12&tree=all

Comment 3

[Intermittent Failures Robot]

18 failures in 750 pushes (0.024 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 17
• try: 1

Platform breakdown:

• linux1804-64-asan: 8
• windows10-64: 9
• windows7-32-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-13&endday=2020-07-13&tree=all

Comment 4

[Andreea Pavel [:apavel]]

Can you please take a look?

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1640427

Comment 6

[Intermittent Failures Robot]

66 failures in 4014 pushes (0.016 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 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:

• autoland: 59
• try: 3
• mozilla-central: 4

Platform breakdown:

• linux1804-64-asan: 37
• windows10-64: 28
• windows7-32-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-13&endday=2020-07-19&tree=all

Comment 7

[Nika Layzell [:nika] (ni? for response)]

:jesup, any idea why we might be intermittently launching too many processes here?

Comment 8

[Intermittent Failures Robot]

20 failures in 948 pushes (0.021 failures/push) were associated with this bug yesterday.

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

Repository breakdown:

• autoland: 15
• mozilla-central: 5

Platform breakdown:

• windows10-64: 11
• linux1804-64-asan: 9

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-21&endday=2020-07-21&tree=all

Comment 9

[Narcis Beleuzu [:NarcisB]]

There are 67 failures in the last 7 days.
linux1804-64-asan -> 39 failures
windows10-64-asan -> 28 failures

I`ll add a patch to disable the test on those platforms in case we will need it.

Comment 10

[Narcis Beleuzu [:NarcisB]]

Attachment: Bug 1651357 - Disable browser_force_process_selector.js on Win10 & Linux1804 asan. r?#intermittent-reviewers

Comment 11

[Hsin-Yi Tsai (she/her) | away [:hsinyi]]

Thanks for the heads up. Let's ensure it's on Nika's radar, too.

Comment 12

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/798bdad605b9
Disable browser_force_process_selector.js on Win10 & Linux1804 asan. r=gbrown

Comment 13

[Intermittent Failures Robot]

70 failures in 4310 pushes (0.016 failures/push) were associated with this bug in the last 7 days.

This is the #11 most frequent failure this week.

** 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:

• autoland: 59
• mozilla-central: 11

Platform breakdown:

• linux1804-64-asan: 41
• windows10-64: 29

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-20&endday=2020-07-26&tree=all

Comment 14

[Natalia Csoregi [:nataliaCs]]

https://hg.mozilla.org/mozilla-central/rev/798bdad605b9

Comment 15

[Intermittent Failures Robot]

1 failures in 4289 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64-asan: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1651357&startday=2020-07-27&endday=2020-08-02&tree=all

Comment 16

[Hsin-Yi Tsai (she/her) | away [:hsinyi]]

Clear some old NI requested by me.

Comment 17

[Randell Jesup [:jesup] (needinfo me)]

Probably it has to do with timing and how we launch preallocated processes on Idle when needed.

Comment 18

[BugBot [:suhaib / :marco/ :calixte]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit BugBot documentation.

Comment 19

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Table

	spi-nw
linux2404-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1651357&startday=2025-08-11&endday=2025-08-17&tree=all