866820 - Outlook.com login page loads blank

Status: RESOLVED DUPLICATE of bug 865431

(Firefox :: General, defect)

Description

[u279076]

Starting in Nightly 23.0a1 2013-04-24 Outlook.com loads a blank page instead of the login page. This might be a Tech Evangelism bug but I'm filing in Firefox::General for the time being. Note that we've been seeing a lot of complaints about this recently on the Nightly Testers mailing list.

Error in Error Console:
> TypeError: a is null
> Source File: https://auth.gfx.ms/14.500.21633.00/Login_Core.js
> Line: 8

First Bad: 
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130424 Firefox/23.0 20130424030917 

Last Good: 
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130424 Firefox/23.0 20130423030935 

Pushlog:
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=acf388eaf9e9&tochange=fef5f202b2dc

There's a lot of changes here so I will see if I can find a narrower window.

Comment 1

[u279076]

Attachment: Failure Source File

This is the source file from outlook.com where the failure occurs. I'm not sure if it's useful in debugging this issue.

Comment 2

[u279076]

Note that Firefox 20 through 22.0a2 seem to be unaffected by this bug.

Comment 3

[u279076]

Last Good: 
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130423 Firefox/23.0 20130423095633

First Bad:
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130423 Firefox/23.0 20130423120807

Pushlog:
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=591caa6e37af&tochange=8b1a7228674a

Looks to be something from the April 23 PGO merge. perhaps bug 862117?

Comment 4

[juan becerra [:juanb]]

It also happens on Mac OS X for me.

Comment 5

[u279076]

(In reply to Anthony Hughes, Mozilla QA (:ashughes) from comment #3)
> Looks to be something from the April 23 PGO merge. perhaps bug 862117?

Brandon, do you know if something in your patch might have regressed this?

Comment 6

[(Away until May 24) Jared Wein [:jaws] (please needinfo? me)]

I highly doubt something in Brandon's patch caused this.

I don't see any issue with the homepage of Outlook.com on my 4-28 Nightly. Is the issue still present? If so, could we get a deeper bisect here?

Comment 7

[u279076]

(In reply to Jared Wein [:jaws] from comment #6)
> I highly doubt something in Brandon's patch caused this.
> 
> I don't see any issue with the homepage of Outlook.com on my 4-28 Nightly.
> Is the issue still present? 

Yes, it's trivial for me to reproduce this issue on any Nightly from Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130423 Firefox/23.0 20130423120807 to Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20130429 Firefox/23.0 20130429030926.

> If so, could we get a deeper bisect here?

Using inbound I was able to regress it to these changes:
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=7712c68becc6&tochange=c3a204a6b498

Sorry, I cannot regress this any further than that.

Comment 8

[(Away until May 24) Jared Wein [:jaws] (please needinfo? me)]

Oh, I probably can't repro it because I have:
javascript.options.ion.content;false
javascript.options.ion.parallel_compilation;false
in my about:config.

Brian, do you know what could have caused this?

Comment 9

[Brian Hackett [Laid off!]]

This is bug 865431, the fix just landed and it should work in tomorrow's nightly.