[Solved] VirtualBox - unable to start VMs after an update

[doktor5000]

Probably after an update (?) from ca. 2022-07-25 VirtualBox ceased to start any VM:

=== GUI ===

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Failed to open a session for the virtual machine Kali.

The VM session was aborted.

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: SessionMachine
Interface: ISession {c0447716-ff5a-4795-b57a-ecd5fffa18a4}

=== /var/log/syslog ===

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Jul 29 16:51:57 pmrnote kernel: vboxdrv: 0000000040ef40fb VMMR0.r0
Jul 29 16:51:58 pmrnote kernel: vboxdrv: 000000004d6054ea VBoxDDR0.r0
Jul 29 16:51:58 pmrnote kernel: VBoxNetFlt: attached to 'enp2s0' / xx:xx:xx:xx:xx:xx
Jul 29 16:51:58 pmrnote kernel: VBoxNetFlt: attached to 'wlp1s0' / xx:xx:xx:xx:xx:xx
Jul 29 16:51:58 pmrnote kernel: vboxdrv: 00000000428037da VBoxEhciR0.r0
Jul 29 16:51:58 pmrnote kernel: EMT-0[298699]: segfault at 0 ip 00007ffaa0ee07a2 sp 00007ffac41c8750 error 4 in VBoxDD.so[7ffaa0e1f000+171000]
Jul 29 16:51:58 pmrnote kernel: Code: 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 49 89 fd 41 54 4d 8d b5 80 00 00 00 4d 8d 65 30 53 e8 12 04 f4 ff 49 8b 3c 24 <48> 8b 1f 4c 39 e7 74 40 66 0f 1f 44 00 00 48 8b 47 08 48 89 18 48

=============

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[root@pmrnote log]# rpm -qa | grep -i virtualbox
virtualbox-kernel-5.15.55-desktop-2.mga8-6.1.36-1.mga8
python-virtualbox-6.1.36-1.mga8
virtualbox-kernel-desktop-latest-6.1.36-1.mga8
virtualbox-guest-additions-6.1.36-1.mga8
virtualbox-6.1.36-1.mga8
[root@pmrnote log]# rpm -qa | grep -i kernel
kernel-source-5.15.55-2.mga8-1-1.mga8
kernel-desktop-5.15.55-2.mga8-1-1.mga8
kernel-firmware-nonfree-20220411-1.mga8.nonfree
lib64kplatokernel17-3.2.2-3.mga8
kernel-desktop-devel-latest-5.15.55-2.mga8
virtualbox-kernel-5.15.55-desktop-2.mga8-6.1.36-1.mga8
kernel-firmware-20201218-1.mga8
kernel-userspace-headers-5.15.55-2.mga8
virtualbox-kernel-desktop-latest-6.1.36-1.mga8
kernel-source-5.15.50-1.mga8-1-1.mga8
kernel-desktop-5.15.50-1.mga8-1-1.mga8
kernel-desktop-devel-5.15.55-2.mga8-1-1.mga8
kernel-desktop-latest-5.15.55-2.mga8
kernel-source-latest-5.15.55-2.mga8
kernel-desktop-devel-5.15.50-1.mga8-1-1.mga8
erlang-kernel-23.2.1-3.1.mga8
[root@pmrnote log]#

============

Is the problem (and it's solution) more widely known?
Should I downgrade or await for a next kernel/VirtualBox update?

TIA

[sturmvogel]

This is caused by not matching Oracle_VM_VirtualBox_Extension_Pack. Install the correct one.
See also my (invalid) bug report for this.
https://bugs.mageia.org/show_bug.cgi?id=30673

[pmr]

Indeed - THX for a swift response.