Description:
I am not able to start virtualbox 6.0.0-2

Additional info:
* package version(s)
virtualbox 6.0.0-2
qt5-base 5.12.0-2 (qt qt5)
qt5-declarative 5.12.0-1 (qt qt5)
qt5-location 5.12.0-1 (qt qt5)
qt5-sensors 5.12.0-1 (qt qt5)
qt5-svg 5.12.0-1 (qt qt5)
qt5-webchannel 5.12.0-1 (qt qt5)
qt5-webkit 5.212.0alpha2-22 (qt qt5)
qt5-x11extras 5.12.0-1 (qt qt5)
qt5-xmlpatterns 5.12.0-1 (qt qt5)

* config and/or log files etc.

dmesg

[ 4687.175094] VirtualBox[18959]: segfault at 8 ip 00007fe33f77d09f sp 00007ffc26af05b0 error 4 in libQt5XcbQpa.so.5.12.0[7fe33f748000+d9000]
[ 4687.175099] Code: fd 48 89 f7 ff 15 21 de 10 00 48 89 d9 48 8b 7d 20 31 f6 0f b7 d0 ff 15 7f ec 10 00 48 8b 7d 20 31 d2 89 c6 ff 15 19 e3 10 00 <8b> 58 08 48 89 c7 ff 15 dd d4 10 00 48 83 c4 08 89 d8 5b 5d c3 66
[ 4687.175120] audit: type=1701 audit(1546997802.792:85): auid=1000 uid=1000 gid=1000 ses=1 pid=18959 comm="VirtualBox" exe="/usr/lib/virtualbox/VirtualBox" sig=11 res=1
[ 4687.181440] audit: type=1130 audit(1546997802.799:86): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@10-18973-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 4687.539880] audit: type=1131 audit(1546997803.159:87): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@10-18973-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'


journal -xe
Jan 08 21:36:43 systemd-coredump[18974]: Process 18959 (VirtualBox) of user 1000 dumped core.

Stack trace of thread 18959:
#0 0x00007fe33f77d09f n/a (libQt5XcbQpa.so.5)
#1 0x00007fe33f761ce7 n/a (libQt5XcbQpa.so.5)
#2 0x00007fe33f7800b5 _ZN14QXcbConnection17initializeScreensEv (libQt5XcbQpa.so.5)
#3 0x00007fe33f74f9fe _ZN14QXcbConnectionC1EP19QXcbNativeInterfacebjPKc (libQt5XcbQpa.so.5)
#4 0x00007fe33f754120 _ZN15QXcbIntegrationC2ERK11QStringListRiPPc (libQt5XcbQpa.so.5)
#5 0x00007fe347328300 n/a (libqxcb.so)
#6 0x00007fe345d25bda _ZN27QPlatformIntegrationFactory6createERK7QStringRK11QStringListRiPPcS2_ (libQt5Gui.so.5)
#7 0x00007fe345d344c9 _ZN22QGuiApplicationPrivate25createPlatformIntegrationEv (libQt5Gui.so.5)
#8 0x00007fe345d354ce _ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt5Gui.so.5)
#9 0x00007fe346459705 _ZN23QCoreApplicationPrivate4initEv (libQt5Core.so.5)
#10 0x00007fe345d36c50 _ZN22QGuiApplicationPrivate4initEv (libQt5Gui.so.5)
#11 0x00007fe34570fb6a _ZN19QApplicationPrivate4initEv (libQt5Widgets.so.5)
#12 0x000055f82e7cf14b n/a (VirtualBox)
#13 0x000055f82e7cc8e0 n/a (VirtualBox)
#14 0x00007fe3451b4223 __libc_start_main (libc.so.6)
#15 0x000055f82e7ce62e n/a (VirtualBox)

Stack trace of thread 18972:
#0 0x00007fe344e75a1e start_thread (libpthread.so.0)
#1 0x00007fe34528bb23 __clone (libc.so.6)
-- Subject: Process 18959 (VirtualBox) dumped core


Steps to reproduce:
1. open terminal emulator
2. $ virtualbox
Segmentation fault (core dumped)

Kind regards