1150224 - [e10s] Navigation back/forward is intermittently broken

Status: RESOLVED DUPLICATE of bug 1150200

(Core :: DOM: Navigation, defect)

Description

[Alice0775 White]

This happens at random, but reproducible.

Steps to reproduce:
1. Make sure about:home should be startup page. 
2. Start Nightly
3. Search any term from Search Bar
4. Click a link of search results
5. Attempt to navigation back
6. Repeat step 1-5 if necessary.

Actual Results:
Navigation back fails though back button is enabled.
nothing happens.

Expected Results:
Navigation back should be performed properly.


Alternate steps to reproduce:
0. Make sure startup page is about:home and restart
1. Click a link in snippets
2. Attempt Navigation back (Back button/BS key/Alt arrowLeft key)
3. Repeat step 1-2 if necessary.

Actual Results:
Back button is disabled. But forward button is enabled.

Expected Results:
Back button should be enabled. But forward button is disabled(hidden).

Comment 1

[Alice0775 White]

It is intermittently, probably the following regression range is correct

Regression pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=530a769b0dbd&tochange=06529960107e

Suspect: Bug 1137933

Comment 2

[:Felipe Gomes (needinfo for replies!)]

Thanks for the bisecting. There's a patch in the works for this regression in bug 1150200