FS#17423 - [firefox] middle-click to scroll hangs browser, unable to rectify with ease

Attached to Project: Arch Linux
Opened by Daniel Campbell (xelados) - Monday, 07 December 2009, 10:48 GMT
Last edited by Jan de Groot (JGC) - Monday, 04 January 2010, 14:30 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Architecture i686
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description: When using middle-click (and holding) to scroll webpages, Firefox refuses to stop scrolling after the middle mouse button is released. Usually until it reaches the top or bottom of the page and multiple left clicks are made.


Additional info:
firefox 3.5.5-1

Config:
Smooth scrolling off
auto scrolling on (this enables middle click scrolling)

Installed Extensions:
Adblock Plus
DOM Inspector
Download Statusbar
Download Helper
DownTHEMall
Firebug
Flashblock
Greasemonkey
Image Zoom
Linkification
Sage-Too
Stylish
Targeted-Ad Cookie opt-out
Vimperator (disabled at current time)
Xmarks


Steps to reproduce:
Navigate to any page with a reasonably moderate to large amount of content and attempt to use the middle click to scroll. Let go of mouse button.

Reproducing the bug seems to be situational. I have yet to notice similar conditions on the pages I have encountered it. Usually it's message boards such as http://wayofthepixel.net .

The machine that this bug is present on has 2 GB of RAM, an Atom N270, and runs Arch i686.

I apologize if this report isn't specific enough. It's my first bug report.
This task depends upon

Closed by  Jan de Groot (JGC)
Monday, 04 January 2010, 14:30 GMT
Reason for closing:  Not a bug
Additional comments about closing:  Bug in an extension, not a firefox bug.
Comment by Thomas Dziedzic (tomd123) - Sunday, 03 January 2010, 09:02 GMT
Can you disable all your extensions and check if the problem still exists?
Comment by Daniel Campbell (xelados) - Monday, 04 January 2010, 14:06 GMT
I disabled every extension and noticed that the bug was not present.

I started enabling extensions one by one to determine which one was the culprit, since if it didn't have the bug without extensions, then I knew it was an extension that caused it.

Image Zoom is the extension that causes this bug. Removing it has fixed the issue entirely. In retrospect, the pages that gave me the issue were filled with images, which ImageZoom has to perform Javascript menu additions in order to do its zooming functions.

I have informed the developer of ImageZoom about this bug. The report is located at http://imagezoom.yellowgorilla.net/forums/viewtopic.php?id=570

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