523099 - Corrupted stock icon graphics with size=dialog

Status: VERIFIED DUPLICATE of bug 516665

(Core :: Graphics, defect)

Description

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Attachment: Screenshot 1

This is I think the third or fourth time that I'm observing this.  Recently in some cases, some of the chrome graphics on my laptop appear corrupted.  See the screenshot of a standard prompt box initiated from ChatZilla attached.

This is not quite reproducible.  For example, when I dismissed that prompt and opened it again, the graphic was corrupted in another way (will attach the screenshot).  The same thing happens with manually viewing <moz-icon://stock/gtk-dialog-question?size=dialog>.  I've noticed this both on trunk and 3.6 nightlies (I don't use 3.5.x on my laptop, so I'm not sure if that happens there as well or not.)

As far as I remember, I haven't made any changes to system libraries (like for example installing or removing any applications) recently.  I'm on Ubuntu 9.04 and here's my buildconfig (standard m-c nightly):

about:buildconfig

Source

Built from http://hg.mozilla.org/mozilla-central/rev/d3298de30066
Build platform
target
i686-pc-linux-gnu

Build tools
Compiler 	Version 	Compiler flags
/tools/gcc-4.3.3/installed/bin/gcc 	gcc version 4.3.3 (GCC) 	-Wall -W -Wno-unused -Wpointer-arith -Wcast-align -W -Wno-long-long -pedantic -gstabs+ -fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -Os -freorder-blocks -fno-reorder-functions
/tools/gcc-4.3.3/installed/bin/g++ 	gcc version 4.3.3 (GCC) 	-fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-long-long -pedantic -gstabs+ -fno-strict-aliasing -fshort-wchar -pthread -pipe -DNDEBUG -DTRIMMED -Os -freorder-blocks -fno-reorder-functions

Configure arguments
--enable-application=browser --enable-optimize --enable-update-channel=nightly --enable-update-packaging --disable-debug --enable-tests --enable-codesighs

Comment 1

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Attachment: Screenshot 2

Comment 2

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I'm not exactly sure where the icon is stored on the filesystem, so it would be helpful if someone can point me to it so that I can attach the file on this bug as well.

Comment 3

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Hmm, no 48x48 icon on my system:

ehsan@ehsan-laptop:~$ locate gtk-dialog-question
/usr/share/icons/gnome/16x16/status/gtk-dialog-question.png
/usr/share/icons/gnome/22x22/status/gtk-dialog-question.png
/usr/share/icons/gnome/24x24/status/gtk-dialog-question.png
/usr/share/icons/gnome/32x32/status/gtk-dialog-question.png
/usr/share/icons/gnome/scalable/status/gtk-dialog-question.svg

dpkg tells me that it is expected that there is no 48x48 icon:

ehsan@ehsan-laptop:~$  dpkg -L gnome-icon-theme | grep gtk-dialog-question.png
/usr/share/icons/gnome/32x32/status/gtk-dialog-question.png
/usr/share/icons/gnome/16x16/status/gtk-dialog-question.png
/usr/share/icons/gnome/22x22/status/gtk-dialog-question.png
/usr/share/icons/gnome/24x24/status/gtk-dialog-question.png

Oh, and I just tried quite a few other stock icons with size=dialog, and they all have similar corruptions in their lower half, but the corruption pattern changes each time the image is loaded.