1914733 - YouTube Freezing and consuming CPU usage

Status: UNCONFIRMED

(Core :: Performance, defect)

Description

[Peter]

Attachment: memory-report.json.gz

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Steps to reproduce:

Load YouTube video

Actual results:

Timeline stopped, playback continued, unable to navigate or reload page, playback audio continues on tab close. Playback terminates when killing Firefox CP Isolated Web Content in Activity Monitor

Expected results:

Normal youtube playback

Comment 1

[Peter]

*** Machine Details: Apple MBA, M1 Chip Late 2020, 16 GB RAM

Comment 2

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

This bug was moved into the Performance component.

:peterowenbutler, could you make sure the following information is on this bug?

• For slowness or high CPU usage, capture a profile with http://profiler.firefox.com/, upload it and share the link here.
• ✅ For memory usage issues, capture a memory dump from about:memory and attach it to this bug.
• Troubleshooting information: Go to about:support, click "Copy raw data to clipboard", paste it into a file, save it, and attach the file here.

If the requested information is already in the bug, please confirm it is recent.

Thank you.

Comment 3

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

Redirect a needinfo that is pending on an inactive user to the triage owner.
:fdoty, since the bug has recent activity, could you have a look please?

For more information, please visit BugBot documentation.

Comment 4

[Frank Doty [:fdoty]]

Please see comment 2