Bug 220044

Summary: Safari tab crashes/restarts when using H264 encoding on MBP2017
Product: WebKit Reporter: Nazar Mokrynskyi <nazar>
Component: WebRTCAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Normal CC: ap, eric.carlson, jer.noble, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: Safari 14   
Hardware: Mac (Intel)   
OS: macOS 11   
Attachments:
Description Flags
Safari tab H264 crash log MBP2017 none

Description Nazar Mokrynskyi 2020-12-20 07:09:57 PST 
When using H264 encoding in WebRTC Safari tab crashes (looks like restart) after under 30 seconds.

Steps to reproduce:
1) Go to https://v3demo.mediasoup.org/?forceH264=true
2) Grant access to audio/video
3) Wait under 30 seconds
4) Tab will crash/restart on itself

System info:
Safari 14.0.2 (16610.3.7.1.9)
macOS 11.1 with latest updates available as of right now
MacBook Pro (15-inch, 2017) Model A1707 EMC 3162

Additional info: doesn't seem to happen on some of the newer models from 2018.
Comment 1 Alexey Proskuryakov 2020-12-20 11:11:09 PST 
Could you please attach a crash log from ~/Library/Logs/DiagnosticReports/ ?

I can reproduce a crash on my M1 MacBook Pro, and that one is tracked as bug 219588. I hope that it's the same issue, but let's confirm with a crash log.
Comment 2 Nazar Mokrynskyi 2020-12-20 11:29:35 PST 
Created attachment 416585 [details]
Safari tab H264 crash log MBP2017
Comment 3 Alexey Proskuryakov 2020-12-21 12:41:00 PST 
This is a different crash signature than in bug 219588. I was able to find a 2017 MacBook Pro, and this reproduces as you described, with the same crash log.

I'm also hitting a crash using a 16" MacBook Pro, and I'm getting a different yet crash there. Hopefully, they all share the root cause, despite different signatures.
Comment 4 Radar WebKit Bug Importer 2020-12-21 12:46:25 PST 
<rdar://problem/72559231>
Comment 5 Nazar Mokrynskyi 2021-01-13 05:38:58 PST 
Is there any estimate when to expect this to be resolved?

It is pretty bad that preferred codec in Apple browser on Apple OS on Apple hardware crashes.
Comment 6 Alexey Proskuryakov 2021-02-08 10:49:15 PST 
Could you please check if this still reproduces with macOS 11.2? I believe that it should be fixed with this release.
Comment 7 Nazar Mokrynskyi 2021-02-08 15:49:56 PST 
macOS 11.2 works flawlessly, thanks!
Comment 8 Alexey Proskuryakov 2021-02-08 19:07:56 PST 
Thank you for confirming! I'll mark this INVALID as this was not a WebKit issue.