Gnome Boxes on Fedora 33 fails to open

user_14711410 0
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I attempt to load gnome-boxes from the terminal (I'm running Fedora 33) and get the following error

$ gnome-boxes

(gnome-boxes:3194): Gtk-WARNING **: 12:34:57.343: GtkFlowBox with a model will ignore sort and filter functions

(gnome-boxes:3194): Gtk-WARNING **: 12:34:57.344: GtkListBox with a model will ignore sort and filter functions

(gnome-boxes:3194): Boxes-WARNING **: 12:34:57.904: libvirt-machine.vala:83: Failed to disable 3D Acceleration

(gnome-boxes:3194): Boxes-WARNING **: 12:34:57.913: libvirt-broker.vala:70: Failed to update domain 'fedora33-wor-2': Failed to set domain configuration: XML error: Invalid PCI address 0000:04:00.0. slot must be >= 1

(gnome-boxes:3194): Boxes-CRITICAL **: 12:34:57.916: boxes_vm_importer_get_source_media: assertion 'self != NULL' failed
Segmentation fault (core dumped)

My system:

$uname -a
Linux localhost.localdomain 5.9.16-200.fc33.x86_64 #1 SMP Mon Dec 21 14:08:22 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

I don't whether it's related but I recently updated from kernel 5.9.11 directly to 5.9.16 (haven't used the PC in question for some weeks) and before gnome-boxes was working as normal.

Please advise how I can restore gnome-boxes - I have some virtual machines that I need to access...

fedora gnome
4 Answers

I faced this issue when I force stopped Gnome-Boxes while cloning a VM.

Deleting the conflicting VM will resolve your issue(in your case 'fedora33-wor-2').

To delete the VM in fedora, install "libvirt-client" which provides "virsh" using the command

    dnf install libvirt-client

then double check the available VM's using

    virsh list --all

Delete the VM using command,

    virsh undefine VM_Name
user_149895910

@channel-fun solved the problem of staring up gnome-boxes.

But the real problem is in cloning procedure. The XML describing the new machine is malformed.

virt-clone --original fedora33-ser --auto-clone

works properly.

user_26890400

I know this is an old thread, but I had the same problem recently. I shut down gnome boxes whilst it was cloning a vm, and shutdown the machine. I then couldn't open boxes, as it would just crash. I was able to delete the VM itself, and then deleted the XML file associated with it. To delete the VM itself, go to :

$HOME/.var/app/org.gnome.Boxes/data/gnome-boxes/images (which in my case is a symbolic link to a data drive)

and delete the VM with the name that you were cloning to (or safer, just move it somewhere).

To delete the XML file associated with it:

$HOME/.var/app/org.gnome.Boxes/config/libvirt/qemu/

and delete (or safer move) the file that is named VM_NAME.xml.

Then boxes should open ok, at least it worked for me.

user_10215350

Extending on Channel Fun's answer for Ubuntu repos the package is libvirt-clients (note the plural s):

sudo apt install libvirt-clients

Check the available VM's using:

virsh list --all

Delete the VM using:

virsh undefine VM_Name

If you receive the error:

error: Refusing to undefine while domain managed save image exists

Then you can explicitly remove that also using the --managed-save flag:

virsh undefine VM_Name --managed-save
user_52568620
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