1142077 - Unresponsive script on Whatsapp web

Status: VERIFIED FIXED

(Core :: JavaScript Engine, defect)

Description

[Fubuki Hoshino]

User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0
Build ID: 20150311030203

Steps to reproduce:

1. Go to https://web.whatsapp.com/
2. Get phone to scan the QR to login
3. Got unresponsive script alert:

Script: https://web.whatsapp.com/crypt…bfc74e221521a.js line 2 > eval:172


Actual results:

Got unresponsive script alert:

Script: https://web.whatsapp.com/crypt…bfc74e221521a.js line 2 > eval:172


Expected results:

The login works fine on release channel.

Comment 1

[Liz Henry (:lizzard)]

The unresponsive script error happens whether you try to login or not.

Comment 2

[iamjayakumars]

Attachment: Screenshot 2015-03-11 22.28.05.png

Same issue in Mac OS X 10.10.3 also.

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:39.0) Gecko/20100101 Firefox/39.0 ID:20150311030203 CSet: fd8e079d6335

Comment 3

[Fubuki Hoshino]

Good on 03-07 nightly
Bad on 03-08 nightly

Comment 4

[Boris Zbarsky [:bzbarsky]]

Should retest once we land all the bits blocking bug 1113369.

Comment 5

[Chris Peterson [:cpeterson]]

I hit this slow script error on http://boardgamegeek.com. I bisected this regression to the pushlog with bug 1113369:

https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=e42a8febca65&tochange=62fecc6ab96e

Comment 6

[Fubuki Hoshino]

Confirmed fixed on 03-12 nightly

Comment 7

[Boris Zbarsky [:bzbarsky]]

Great, thanks!

Comment 8

[Chris Peterson [:cpeterson]]

I verified that boardgamegeek.com no longer hangs the browser in Nightly 38 build 2015-03-13.