1304978 - [Presentation API] Failed to re-launch presentation

Status: RESOLVED DUPLICATE of bug 1313404

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

Description

[Cynthia Tang [:cynthiatang]]

Test case: https://moztrap.mozilla.org/manage/case/18153/

Install Fennec on phone Use sample web page: https://people.mozilla.org/~schien/test-presentation.html

1. Launch presentation
2. Terminate connection
3. Launch presentation again

Expected: 
 - Successful connection

Actual:
 - Fennec would be closed
 - Failed to re-launch presentation

Device: Nexus 5 and Nexus Player

Comment 1

[Shih-Chiang Chien [:schien] (UTC+8) (use ni? plz)]

Probably a dup of bug 1304971.

Comment 2

[u421692]

Reproduced this issue, actually Firefox crashes when starting the new presentation from the second device
https://pastebin.mozilla.org/8924104

Comment 3

[Shih-Chiang Chien [:schien] (UTC+8) (use ni? plz)]

(In reply to Mihai Pop from comment #2)
> Reproduced this issue, actually Firefox crashes when starting the new
> presentation from the second device
> https://pastebin.mozilla.org/8924104

From the log, it should be the same issue as bug 1313404.

Comment 4

[u421692]

Reproduced this on Nexus 4(Android 5.1.1) and Nexus 6(Android 6.0.1), the reproduce rate is about 1 out of 2 tries.

Comment 5

[Shih-Chiang Chien [:schien] (UTC+8) (use ni? plz)]

based on the information in comment #3, this should a duplicate bug to bug 1313404.

Comment 6

[u421692]

I wasn't able to reproduce this issue anymore on this build https://people-mozilla.org/~schien/presentation-api/fennec-52.0a1.en-US.android-arm.apk

Comment 7

[Shih-Chiang Chien [:schien] (UTC+8) (use ni? plz)]

(In reply to Mihai Pop from comment #6)
> I wasn't able to reproduce this issue anymore on this build
> https://people-mozilla.org/~schien/presentation-api/fennec-52.0a1.en-US.
> android-arm.apk

The crash you encountered is an assertion and it'll only happen on debug build. The build you pointed here is a release build so this crash should never happen.