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Browser is blocked in customize mode if Pocket button is placed in Menu panel and then restored

VERIFIED FIXED in Firefox 46



Toolbars and Customization
2 years ago
2 years ago


(Reporter: adalucinet, Assigned: mixedpuppy)



Firefox 47
Bug Flags:
qe-verify +

Firefox Tracking Flags

(firefox44 unaffected, firefox45 unaffected, firefox46+ verified, firefox47+ verified)


MozReview Requests


Submitter Diff Changes Open Issues Last Updated
Error loading review requests:


(1 attachment)



2 years ago
Note: logged as requested in bug 1245074 comment 6

Affected versions: latest Aurora 46.0a2 and Nightly 47.0a1 (from 2016-02-02), e10s enabled/disabled
Affected platforms: Ubuntu 14.04 32-bit, Mac OS X 10.9.5 and Windows 7 64-bit

Steps to reproduce:
1. Launch Firefox with a clean profile.
2. Click on Menu panel (Hamburger button).
3. Select Customize.
4. Drag Pocket button to the Menu Panel.
5. Click 'Restore Defaults' button.
6. Exit customize mode - click Exit Customize button or Hamburger button or close tab.

Expected results: Customize mode is properly closed.
Actual results: Unable to exit customize mode. 

Additional notes:
1. Screen recording: https://goo.gl/6qnSeO
1.1. At step 4, if the button is placed at the top of the Menu panel, an empty spot appears after restoring (visible in the video too).
2. Browser console output:
> CustomizeMode:DOMException [NotFoundError: "Node was not found"
> code: 8
> nsresult: 0x80530008
> location: resource://app/modules/CustomizableUI.jsm:1184]' 
thrown by Promise-backend.js:940

3. Not reproducible if any other button from toolbar is moved to the Menu panel.
4. Unaffected version - 45 beta 2 (Build ID: 20160201143558) and 44.0RC build 3 (Build ID: 20160123151951).
5. Regression range:
Last good revision: 0c12d4229be0068eb1b9beb5064b800f12143f20
First bad revision: 3ba655f6bc67660a2dcfc4c2a5b3d0d17714f53d
Pushlog: https://hg.mozilla.org/integration/fx-team/pushloghtml?fromchange=0c12d4229be0068eb1b9beb5064b800f12143f20&tochange=3ba655f6bc67660a2dcfc4c2a5b3d0d17714f53d

Regressed by 3ba655f6bc67 Shane Caraveo — Bug 1215694 move pocket to a system addon
Tracking for 46+ since this is a recent regression.
tracking-firefox46: --- → +
tracking-firefox47: --- → +
Keywords: regression
Shane, can you please look into this?
Flags: needinfo?(mixedpuppy)


2 years ago
Duplicate of this bug: 1245444


2 years ago
Duplicate of this bug: 1245445

Comment 5

2 years ago
Created attachment 8717595 [details]
MozReview Request: Bug 1245447 fix CUI customization breakage, r?gijs

Review commit: https://reviewboard.mozilla.org/r/34233/diff/#index_header
See other reviews: https://reviewboard.mozilla.org/r/34233/
Attachment #8717595 - Flags: review?(gijskruitbosch+bugs)

Comment 6

2 years ago
The above patch fixes the breakage in customization/reset, it does not fix default position for the pocket button after reset.
Flags: needinfo?(mixedpuppy)

Comment 7

2 years ago
Keeping the proper default position after reset is in bug 1247045


2 years ago
Assignee: nobody → mixedpuppy


2 years ago
Attachment #8717595 - Flags: review?(gijskruitbosch+bugs) → review+

Comment 8

2 years ago
Bug 1245447 fix CUI customization breakage, r=gijs

Comment 9

2 years ago
Last Resolved: 2 years ago
status-firefox47: affected → fixed
Resolution: --- → FIXED
Target Milestone: --- → Firefox 47

Comment 10

2 years ago
Comment on attachment 8717595 [details]
MozReview Request: Bug 1245447 fix CUI customization breakage, r?gijs

Approval Request Comment
[Feature/regressing bug #]: 1215694
[User impact if declined]: possible to break CUI customization in a way that requires firefox restart
[Describe test coverage new/current, TreeHerder]: manual
[Risks and why]: low, this is removal code that tried to fix the "default" position of the pocket button after CUI reset
[String/UUID change made/needed]: none
Attachment #8717595 - Flags: approval-mozilla-aurora?
Let's verify the fix before we uplift this. adalucinet can you have a look since you found the bug originally? Thanks!
Flags: needinfo?(alexandra.lucinet)
Just noticed she it out on PTO. Andrei can you find someone else to verify the fix?
Flags: needinfo?(andrei.vaida)
Reproduced the issue on Nightly 2016-02-02 Win 7.
Verified fixed 47.0a1 (2016-02-15).
status-firefox47: fixed → verified
Flags: needinfo?(andrei.vaida)
Flags: needinfo?(alexandra.lucinet)
Comment on attachment 8717595 [details]
MozReview Request: Bug 1245447 fix CUI customization breakage, r?gijs

Fix for system addon issue, verified on m-c. Please uplift to aurora.
Attachment #8717595 - Flags: approval-mozilla-aurora? → approval-mozilla-aurora+

Comment 15

2 years ago
status-firefox46: affected → fixed
Setting the flag for verification on 46.
Flags: qe-verify+
Verified fixed FX 46b10 Ubuntu 14.04
status-firefox46: fixed → verified
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