Closed Bug 1609784 Opened 4 years ago Closed 4 years ago

100% CPU when opening reddit comments on some subreddits (example: https://www.reddit.com/r/skyrim/comments/72inci/blades_vs_greybeards/)

Categories

(Core :: Performance, defect)

Product:
Core
Component:
Performance
Version:
72 Branch
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED DUPLICATE of bug 1606771

People

(Reporter: kmozcan1, Unassigned)

Details

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0

Steps to reproduce:

Switched to an already open tab that causes the hang
https://www.reddit.com/r/skyrim/comments/72inci/blades_vs_greybeards/

Profile link:
https://perfht.ml/360oTBR

Actual results:

Hangs around 5-6 seconds (CPU usage becomes 100%), then recovers.

Expected results:

Shouldn't hang.

Status: UNCONFIRMED → RESOLVED
Closed: 4 years ago
Resolution: --- → DUPLICATE
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