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nautilus gdk_monitor_get_scale_factor: assertion 'GDK_IS_MONITOR (monitor)' failed

Asked by John Center

My logs are filled with these messages about Nautilus. What's causing this? How can I fix it?

Thanks!

    -John

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Manfred Hampl (m-hampl) said (last edit ): 		#1

Maybe Bug #1978331

For diagnostic purposes please provide the output that you receive for the following commands (to be executed in a terminal):

uname -a
lsb_release -crid
apt policy gnome-shell-extension-desktop-icons-ng

Does this happen always, or after a specific action (like connecting/disconnecting external monitors, etc.)?

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John Center (jlcenter) said : 		#2

Hi Manfred,

This happens all the time. I have 2 external monitors, connected to a single RX580 GPU. I've had ongoing issues with the gnome-shell, after the monitors turn off. Usually the greeter takes a long time to appear when the monitors are turned on, or it crashes completely.

Yes, while it looks like https://answers.launchpad.net/bugs/1978331, I thought this was fixed? I used to see a lot of messages from the Desktop Icons NG in the logs, so I switched it off.

Thanks for your help!

    -John

# uname -a
Linux Mariposa 6.5.0-28-generic #29~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 14:39:20 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

# lsb_release -crid
Distributor ID: Ubuntu
Description: Ubuntu 22.04.4 LTS
Release: 22.04
Codename: jammy

# apt policy gnome-shell-extension-desktop-icons-ng
gnome-shell-extension-desktop-icons-ng:
  Installed: 43-2ubuntu1
  Candidate: 43-2ubuntu1
  Version table:
 *** 43-2ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main i386 Packages
        100 /var/lib/dpkg/status
     43-2 500
        500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy/main i386 Packages
        500 http://mirrors.us.kernel.org/ubuntu jammy/main amd64 Packages
        500 http://mirrors.us.kernel.org/ubuntu jammy/main i386 Packages
        500 http://mirror.siena.edu/ubuntu jammy/main amd64 Packages
        500 http://mirror.siena.edu/ubuntu jammy/main i386 Packages
        500 https://mirror.cs.jmu.edu/pub/ubuntu jammy/main amd64 Packages
        500 https://mirror.cs.jmu.edu/pub/ubuntu jammy/main i386 Packages

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Launchpad Janitor (janitor) said : 		#3

This question was expired because it remained in the 'Open' state without activity for the last 15 days.