442451 - Firefox sometimes displays screen background instead of images ("real transparency" ?)

Status: RESOLVED DUPLICATE of bug 411831

(Firefox :: General, defect)

Description

[Violhaine Grimly]

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9) Gecko/2008062211 (Gentoo) Firefox/3.0
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9) Gecko/2008062211 (Gentoo) Firefox/3.0

Sometimes (depending on web sites, but then always reproducible) an image is not displayed at all. Instead, Firefox displays the top left part of the screen background.

Reproducible: Always

Steps to Reproduce:
1. Go to www.journalduneblonde.net (for example). The banner is not displayed properly.
Actual Results:  
Image is replace by a same-size image, but coming from the screen background.

Expected Results:  
Well... proper image displaying, of course.

Default theme, Gentoo Linux.

Comment 1

[Violhaine Grimly]

Attachment: Small screen copy illustrating the problem

Comment 2

[Matthias Versen [:Matti]]

Could this be bug 411831 ?

Comment 3

[Violhaine Grimly]

I'm not sure, but comment #13 of bug 411831 could be related.

Comment 4

[Violhaine Grimly]

Hmmm... bug 411831#c13 maybe (for the link to work properly)

Comment 5

[Violhaine Grimly]

After tinkering somehow on my computer's config... It does look like it's FF3-on-Xorg-on-Nvidia related, since I'm using the NV driver and the         

Option       "XAANoOffscreenPixmaps" "on"

made this bug/problem disappear.

Comment 6

[Matthias Versen [:Matti]]

I'm sure this is a dupe of bug 411831