1439093 - Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [nsIMessageSender.sendAsyncMessage] ContentMetaHandler.jsm:155 when going to about:debugging while loading a page

Status: NEW

(DevTools :: about:debugging, defect, P3)

Description

[magicp]

Steps to reproduce:
1. Launch Nightly
2. Go to about:debugging
3. Open Bookmarks toolbar
4. Bookmark current page to the bookmark toolbar (Drag and Drop current tab to bookmark toolbar)
5. Open the Browser Console (Ctrl+Shift+J)
6. Click "Get Involved" (https://www.mozilla.org/en-US/contribute/) in the bookmark toolbar
7. Click "Debugging with Firefox Developer Tools" (about:debugging) in the bookmark toolbar immediately while loading the page

Actual results:
The following error is logged in the browser console. If you cannot reproduce it, please repeat step 6 to 7 a couple of times.

NS_ERROR_ILLEGAL_VALUE: Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [nsIMessageSender.sendAsyncMessage]  ContentMetaHandler.jsm:155


In case of dom.ipc.processPrelaunch.enabled = false, error message will be changed as below.

NS_ERROR_UNEXPECTED: Component returned failure code: 0x8000ffff (NS_ERROR_UNEXPECTED) [nsIProgressEventSink.onStatus]  network-monitor.js:323



Expected results:
No errors

Comment 1

[Julian Descottes [:jdescottes]]

Can't reproduce so far. Is this specific to about debugging or do you have the same behavior with other about pages (eg about:config or about:preferences)?

Comment 2

[magicp]

Attachment: steps-to-reproduce_20180622_234117.mp4

> Can't reproduce so far. Is this specific to about debugging or do you have the
> same behavior with other about pages (eg about:config or about:preferences)?

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0 ID:20180622100109
Yes!

Comment 3

[Julian Descottes [:jdescottes]]

(In reply to magicp from comment #2)
> Created attachment 8987075 [details]
> steps-to-reproduce_20180622_234117.mp4
> 
> > Can't reproduce so far. Is this specific to about debugging or do you have the
> > same behavior with other about pages (eg about:config or about:preferences)?
> 
> Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101
> Firefox/62.0 ID:20180622100109
> Yes!

Which one is "Yes": 
- specific to about:debugging
- affects other about pages (eg about:config or about:preferences)

Comment 4

[magicp]

affects other about pages. Please find the attached video.

Comment 5

[Julian Descottes [:jdescottes]]

Ah missed the attachment, thanks!