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FS#73312 - [virtualbox] freezes on Host key commands

Attached to Project: Community Packages
Opened by Etienne (archuser18452) - Sunday, 09 January 2022, 18:01 GMT
Last edited by Christian Hesse (eworm) - Friday, 18 February 2022, 09:04 GMT
Task Type Bug Report
Category Packages
Status Assigned
Assigned To Christian Hesse (eworm)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No


When I run a virtual machine (ubuntu-18.04.6-desktop-amd64.iso) using VirtualBox under Archlinux, everything runs fine as long as I don't enter a command involving the Host key. However, as soon as I enter such a command, (like Host+f for fullscreen) the VirtualBox Machine Freezes and I cant perform any task on it anymore. My Host Machine is still usable, but the hover feature of the mouse is disabled as long as I don't kill the virtual machine. Note that I have changed the host key to "Left Shift".

Additional info:
* package version(s):
Kernel : 5.15.13-arch1-1
* config and/or log files etc.
OS type: 64-bit
GNOME version: 41.2
4 CPU available to guest
Hardware virtualization enabled
91 MB of Video Memory available to guest
3D acceleration disabled

Steps to reproduce:

1. Install ubuntu-18.04.6-desktop-amd64.iso on a new VirtualBox virtual machine.
2. Shut down the machine after installation
3. Change the host key to "Left Shift"
4. Boot the virtual machine and log in
5. Use the key shortcut "Host+f"
6. The Virtual Machine should have frozen by now
This task depends upon

Comment by Christian Hesse (eworm) - Wednesday, 16 February 2022, 20:40 GMT
First of all... You mention `virtualbox-guest-iso`. Did you install the Virtualbox guest utils within the Ubuntu system via ISO?
Comment by Etienne (archuser18452) - Thursday, 17 February 2022, 22:29 GMT
No I hadn't, but I just did and the problem is still there. Also, sorry for not keeping track, I though the bug wasn't being handled. Here are the new informations I have:
I now know that the problem is with the Mini ToolBar in fullscreen. When I was using the guest machine, the bug that I have reported also occured sometimes when I was hovering the Mini ToolBar, but more importantly, it always activated the bug when I clicked one of the options of the ToolBar. Therefore, I have decided to remove it by deactivating the option "Show in Full-screen/Seamless" in User Interface. I haven't had any problem since then. Also, I can now use the toolbar when I'm not in Fullscreen, but I'm not sure if that's because I now use a new version of virtualbox.