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Photon avatar Ubuntu

Shutter shows a broken icon on Ubuntu Mate 20.04

cg flag
Photon

An issue has been reported about a GTK app (Shutter) not showing a tray icon on Ubuntu Mate 20.04 with some icon themes (most probably those which don't provide a corresponding icon themselves so the default one needs to be used): https://github.com/shutter-project/shutter/issues/363

We could find the following error in the terminal output:

(shutter:2807): Gtk-WARNING **: 21:55:32.455: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.

We tried:

  • Reinstalling libgdk-pixbuf-2.0-0 and shared-mime-info as proposed in https://bbs.archlinux.org/viewtopic.php?id=223801.
  • Running update-mime-database /usr/share/mime and /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders --update-cache as well as /usr/lib/i386-linux-gnu/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders --update-cache as proposed at https://bbs.archlinux.org/viewtopic.php?id=261143 and also made sure that the permissions of /usr/share/mime are 755 and /usr/share/mime/icons are 644.

Still, the icon isn't shown. I cannot reproduce the issue, neither on my Arch and Manjaro machines nor on any of my Ubuntu VMs (Ubuntu Mate 20.04, Ubuntu Gnome 20.04 and 21.04).

I'm out of ideas now, any help in troubleshooting is appreciated!

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24601 avatar
in flag
24601
It may not be the same issue but [this recent Q&A](https://askubuntu.com/questions/1350900/shutter-icon-in-system-tray-ubuntu-20-04-2-lts/1351739#1351739) may hold some clues.
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Photon avatar
cg flag
Photon
Thanks, that's indeed a different issue when no icon is shown at all, while here a missing icon symbol is shown (see also screenshot in the linked github issue).
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Score:0
Photon avatar Ubuntu
cg flag
Photon

The issue is solved by running

update-icon-caches /usr/share/icons/*
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ar flag
user68186
Do you need a `sudo` with that?
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Photon avatar
cg flag
Photon
Yes, as it writes into `/usr/`.
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