file a bug report:

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type in ubuntu-bug *issue (small description like icons missing)*
enter
this takes you to launchpad.net
describe the problem in detail
wait for a response

> On Sep 21, 2017, at 5:00 AM, ubuntu-studio-users-requ...@lists.ubuntu.com 
> wrote:
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> Today's Topics:
> 
>   1. Re:  [solved] Ubuntu Studio 16.04 XFCE all icons missing
>      (David King)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 20 Sep 2017 16:24:33 +0100
> From: David King <linux...@avoura.com>
> To: ubuntu-studio-users@lists.ubuntu.com
> Subject: Re: [ubuntu-studio-users] [solved] Ubuntu Studio 16.04 XFCE
>    all icons missing
> Message-ID: <c14f28da-f740-f83c-c57e-4e4496c84...@avoura.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> 
> 
>> On 20/09/17 15:51, David King wrote:
>> 
>> 
>>> On 20/09/17 13:36, David King wrote:
>>> I have a problem with my Ubuntu Studio 16.04 installation today. It was
>>> working okay before, but today, when I logged in, most of the icons were
>>> missing, including inside things like Thunderbird.
>>> 
>>> I rebooted and then even the icons on the login screen were all gone,
>>> and when I log in, all icons are missing along with the wallpaper.
>>> 
>>> I can boot into a different Linux on the same PC and it is all okay with
>>> that.
>>> 
>>> I have tried restoring some files (cache files, session files) from a
>>> known good backup, but it makes no difference. I also tried booting with
>>> a different kernel and it made no difference.
>>> 
>>> I wonder if it is a problem with the OS there are even no icons at the
>>> login screen.
>>> 
>>> I did not do any major updates lately, although there were quite a lot
>>> of updates pending, which I was going to install today, but have not
>>> done so because of this problem.
>>> 
>>> I have tried searching on Google and could not find any solution.
>>> 
>>> Does anyone else have this problem? Or know what needs to be fixed? It
>>> seems like programs can run okay, but without the icons, nothing is
>>> really much usable.
>>> 
>>> 
>>> David King
>>> 
>>> 
>>> 
>>> 
>> 
>> 
>> I looked around at various files, and found a log file at 
>> /var/log/lightdm/seat0-greeter.log
>> 
>> This shows some errors in loading icons and wallpaper, re not 
>> recognising image file formats, which is unusual:
>> 
>> 
>> ** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
>> ** Message: [Configuration] Reading file: 
>> /usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
>> ** Message: [Configuration] Reading file: 
>> /usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
>> ** Message: [Configuration] Reading file: 
>> /etc/lightdm/lightdm-gtk-greeter.conf
>> 
>> ** (process:7751): WARNING **: Failed to register client: 
>> GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
>> org.gnome.SessionManager was not provided by any .service files
>> Activating service name='org.a11y.atspi.Registry'
>> Successfully activated service 'org.a11y.atspi.Registry'
>> 
>> (lightdm-gtk-greeter:7749): GdkPixbuf-WARNING **: Cannot open pixbuf 
>> loader module file 
>> '/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
>> file or directory
>> 
>> This likely means that your installation is broken.
>> Try running the command
>>   gdk-pixbuf-query-loaders > 
>> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
>> to make things work again for the time being.
>> 
> 
> 
> 
> 
> I noticed the above lines, and decided to restore a loaders.cache file 
> from a backup, and it worked. Now I can boot into Ubuntu Studio with all 
> icons and wallpaper restored.
> 
> But I still have no idea why that loaders.cache file disappeared.
> 
> David
> 
> 
> 
> 
> 
> 
> ------------------------------
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> ------------------------------
> 
> End of ubuntu-studio-users Digest, Vol 125, Issue 7
> ***************************************************


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