867117 - ASSERTION: Cached actor is out of date!: '!currentActor || static_cast<PluginScriptableObjectChild*>(currentActor) == actor', file dom/plugins/ipc/PluginInstanceChild.cpp, line 260

Status: RESOLVED WONTFIX

(Core Graveyard :: Plug-ins, defect, P3)

Description

[Mats Palmgren (inactive)]

STEPS TO REPRODUCE
1. load http://www.youtube.com/watch?v=zA92Rw6kNWw
2. wait for the video (Flash) to start
3. reload the page a few times

ACTUAL RESULTS
In the plugin-container process:
ASSERTION: Cached actor is out of date!: '!currentActor || static_cast<PluginScriptableObjectChild*>(currentActor) == actor', file dom/plugins/ipc/PluginInstanceChild.cpp, line 269

Bug occurs in a local debug build on Linux64, using Flash 11.2
(mozilla-inbound rev 1b5ab2426f16)

Comment 1

[Mats Palmgren (inactive)]

Attachment: stack

Comment 2

[Benjamin Smedberg]

Comment on attachment 743569 [details]
stack

What is the value for currentActor and actor ?

Comment 3

[Mats Palmgren (inactive)]

Both are non-null (included in stack dump), do you want the member values?

Comment 4

[Chris Peterson [:cpeterson]]

Other STR:
1. Load http://cnn.com
2. Click on any of the video links.
3. Wait for the Flash video to start playing.
4. Type a new URL into the address bar.

RESULT:

As the CNN video page is unloading, the following assertion failure is logged to stderr:

###!!! ASSERTION: Cached actor is out of date!: '!currentActor || static_cast<PluginScriptableObjectChild*>(currentActor) == actor', file dom/plugins/ipc/PluginInstanceChild.cpp, line 260

Comment 5

[BMO Automation]

Resolving as wont fix, plugin support deprecated in Firefox 85.