#856911 firefox: Firefox menus (right-click, hamburger, top) often do not open

Package:
firefox
Source:
firefox
Description:
Mozilla Firefox web browser
Submitter:
Matthew Flaschen
Date:
2021-10-11 17:21:05 UTC
Severity:
important
Tags:
#856911#5
Date:
2017-03-06 06:21:04 UTC
From:
To:
Dear Maintainer,

Filed upstream at https://bugzilla.mozilla.org/show_bug.cgi?id=1344620

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:51.0) Gecko/20100101 Firefox/51.0
Build ID: 20170125094131

Steps to reproduce:

I'm on Firefox 51 on Debian Jessie.  This is reproducible both on upstream firefox (from getfirefox.com) and on the Debian-packaged one (still 51, from below sources.list.d):
---
deb http://mozilla.debian.net/ jessie-backports firefox-release
deb-src http://mozilla.debian.net/ jessie-backports firefox-release
---

1. Create a fresh profile (or even a fresh OS user).
2. Go to example.com (or any other site)
3. Try to open right-click menus, the menus at the top, and the hamburger menu



Actual results:

Often these menus (right-click menus, the menus at the top, and the hamburger menu) will not open.

It then sometimes resumes working.



Expected results:

The menus should open normally each time.