1208090 - Thunderbird v42.0b1 (Mac) becomes unreponsive ("freezes") upon opening Add-ons manager

Status: RESOLVED DUPLICATE of bug 1199957

(Thunderbird :: Untriaged, defect)

Description

[Eckard Berberich]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:41.0) Gecko/20100101 Firefox/41.0
Build ID: 20150917150946

Steps to reproduce:

Installed v42.0b1 (build 20150923035859) on an iMac runnning OS X 10.10.5, created new profile and set up two accounts (POP and IMAP).
Tried to open the Add-ons manager via menu "Tools".


Actual results:

TB immediately became unresponsive, with the "beachball" turning and a CPU consumption > 100%.
Had to force-quit TB since I could not quit normally via menu "Thunderbird" -> Quit.
The same happens in a new "empty" profile (no accounts) upon opening the Add-ons manager.





Expected results:

The Add-ons manager should open without "freezing" Thunderbird. 

This problem does NOT happen in Earlybird 42.0a2.

Comment 1

[Wayne Mery (:wsmwk)]

see bug 1199957.  perhaps this will turn out to be a dup of it

Comment 2

[Eckard Berberich]

(In reply to Wayne Mery (:wsmwk, use Needinfo for questions) from comment #1)
> see bug 1199957.  perhaps this will turn out to be a dup of it
Maybe not.
Bug 1199957 happens in TB 42.0b1 AND Earlybird 42.0a2 (in the meantime I reproduced it with rss feeds) but I see this one only in TB 42.0b1

Comment 3

[Javi Rueda :javirid]

Confirming as I was able to reproduce on OS X 10.10.5 with newly created Thunderbird 42b1 profile.

Comment 4

[Wayne Mery (:wsmwk)]

I'm this isn't fixed in the next beta please reopen the bug