id	summary	reporter	owner	description	type	status	component	version	resolution	keywords	cc	guest	host
20126	Crash when removing  vms from command line	Mrpn		"When removing a VM from the command line, Virtualbox often crashes with a critical error when *other* VMs are running. The dialog says for those running (one for each window): ""A critical error has occurred while running the virtual machine and the machine execution should be stopped. [...] Press OK to power off the machine.""

The command executed is
$ vboxmanage unregistervm ""${childvm}"" --delete
where the variable ""childvm"" is a valid name of a VM.

The given log is:
--- start of log ---
Log created: 2021-01-13T10:42:27.425692000Z
Process ID:  3619370 (0x373a2a)
Parent PID:  12731 (0x31bb)
Executable:  /usr/lib/virtualbox/VBoxSVC
Arg[0]: /usr/lib/virtualbox/VBoxSVC
Arg[1]: --auto-shutdown
AddRef: illegal refcnt=3221225469 state=2
--- end of log ---

During the crash ""Oracle VM VirtualBox Manager"" always says data is unavailable. Sometimes the manager refreshes the data itself, other times you need to restart the manager.

"	defect	new	VM control	VirtualBox 6.1.16				all	Linux