[vbox-dev] [ PATCH] Fix crash on startup under Wayland

Frank Batschulat frank.batschulat at oracle.com
Thu May 14 12:43:01 GMT 2020

Hans, I have filed the following bug to track this:

[Oracle VM VirtualBox] #19583: GUI crashes when using Qt on Xwayland  

the possible fix for this is still being discussed internally.

On Tue, 07 Apr 2020 14:00:47 +0200, Hans de Goede <hdegoede at redhat.com>  

> Hi,
> I noticed that with a default Fedora 32 workstation install (default  
> GNOME3 on
> Wayland session) VirtualBox crashes immediately at startup. The problem  
> is that
> QT5 now defaults to the Wayland backend and VirtualBox assumes the X11  
> backend
> is used and makes a bunch of unchecked X11 calls which cause NULL  
> pointer derefs.
> The attached patch is a simple fix which fixes this by setting the QT  
> backend
> back to X11.
> As usual, the patch is released under the MIT license.
> Regards,
> Hans


Oracle Virtualbox Development

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