Stderr output

<core_client_version>7.20.2</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code 194 (0xc2)</message>
<stderr_txt>
2022-08-04 06:15:54 (7984): Detected: vboxwrapper 26205
2022-08-04 06:15:54 (7984): Detected: BOINC client v7.20.2
2022-08-04 06:15:55 (7984): Detected: VirtualBox VboxManage Interface (Version: 6.1.32)
2022-08-04 06:15:55 (7984): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2022-08-04 06:15:55 (7984): Successfully copied 'init_data.xml' to the shared directory.
2022-08-04 06:15:55 (7984): Create VM. (boinc_81c519bd5df38abd, slot#0)
2022-08-04 06:15:56 (7984): Setting Memory Size for VM. (8168MB)
2022-08-04 06:15:56 (7984): Setting CPU Count for VM. (8)
2022-08-04 06:15:56 (7984): Setting Chipset Options for VM.
2022-08-04 06:15:57 (7984): Setting Graphics Controller Options for VM.
2022-08-04 06:15:57 (7984): Setting Boot Options for VM.
2022-08-04 06:15:57 (7984): Setting Network Configuration for NAT.
2022-08-04 06:15:57 (7984): Enabling VM Network Access.
2022-08-04 06:15:58 (7984): Disabling USB Support for VM.
2022-08-04 06:15:58 (7984): Disabling COM Port Support for VM.
2022-08-04 06:15:58 (7984): Disabling LPT Port Support for VM.
2022-08-04 06:15:59 (7984): Disabling Audio Support for VM.
2022-08-04 06:15:59 (7984): Disabling Clipboard Support for VM.
2022-08-04 06:15:59 (7984): Disabling Drag and Drop Support for VM.
2022-08-04 06:15:59 (7984): Adding storage controller(s) to VM.
2022-08-04 06:16:00 (7984): Adding virtual disk drive to VM. (CMS_2022_07_25.vdi)
2022-08-04 06:16:01 (7984): Adding VirtualBox Guest Additions to VM.
2022-08-04 06:16:01 (7984): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2022-08-04 06:16:01 (7984): forwarding host port 54839 to guest port 80
2022-08-04 06:16:01 (7984): Enabling remote desktop for VM.
2022-08-04 06:16:02 (7984): Enabling shared directory for VM.
2022-08-04 06:16:02 (7984): Starting VM using VBoxManage interface. (boinc_81c519bd5df38abd, slot#0)
2022-08-04 06:16:07 (7984): Successfully started VM. (PID = '8868')
2022-08-04 06:16:07 (7984): Reporting VM Process ID to BOINC.
2022-08-04 06:16:07 (7984): Guest Log: BIOS: VirtualBox 6.1.32
2022-08-04 06:16:07 (7984): Guest Log: CPUID EDX: 0x178bfbff
2022-08-04 06:16:07 (7984): Guest Log: BIOS: No PCI IDE controller, not probing IDE
2022-08-04 06:16:07 (7984): Guest Log: BIOS: AHCI 0-P#0: PCHS=16383/16/63 LCHS=1024/255/63 0x0000000002800000 sectors
2022-08-04 06:16:07 (7984): VM state change detected. (old = 'poweredoff', new = 'running')
2022-08-04 06:16:07 (7984): Detected: Web Application Enabled (http://localhost:54839)
2022-08-04 06:16:07 (7984): Detected: Remote Desktop Enabled (localhost:54840)
2022-08-04 06:16:07 (7984): Preference change detected
2022-08-04 06:16:07 (7984): Setting CPU throttle for VM. (100%)
2022-08-04 06:16:08 (7984): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 100 seconds) or (Vbox_job.xml: 600 seconds))
2022-08-04 06:16:09 (7984): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2022-08-04 06:16:09 (7984): Guest Log: BIOS: Booting from Hard Disk...
2022-08-04 06:16:12 (7984): Guest Log: BIOS: KBD: unsupported int 16h function 03
2022-08-04 06:16:12 (7984): Guest Log: BIOS: AX=0305 BX=0000 CX=0000 DX=0000 
2022-08-04 06:16:56 (7984): Guest Log: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
2022-08-04 06:16:56 (7984): Guest Log: vboxguest: misc device minor 56, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
2022-08-04 06:16:58 (7984): Guest Log: VBoxService 5.2.6 r120293 (verbosity: 0) linux.amd64 (Jan 15 2018 14:51:00) release log
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000166 main     Log opened 2022-08-04T13:17:03.753394000Z
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000303 main     OS Product: Linux
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000338 main     OS Release: 4.14.232-19.cernvm.x86_64
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000365 main     OS Version: #1 SMP Fri Apr 30 17:12:25 CEST 2021
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000392 main     Executable: /usr/sbin/VBoxService
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000392 main     Process ID: 2468
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.000393 main     Package type: LINUX_64BITS_GENERIC
2022-08-04 06:16:58 (7984): Guest Log: 00:00:00.001118 main     5.2.6 r120293 started. Verbose level = 0
2022-08-04 06:36:08 (7984): VM Heartbeat file specified, but missing.
2022-08-04 06:36:08 (7984): VM Heartbeat file specified, but missing file system status. (errno = '2')
2022-08-04 06:36:08 (7984): Powering off VM.
2022-08-04 06:36:08 (7984): Successfully stopped VM.
2022-08-04 06:36:08 (7984): Deregistering VM. (boinc_81c519bd5df38abd, slot#0)
2022-08-04 06:36:08 (7984): Removing network bandwidth throttle group from VM.
2022-08-04 06:36:09 (7984): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:01.455425          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:01.718765          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:01.985962          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:02.248747          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:02.517841          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:02.771454          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:03.035375          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:03.290209          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:03.550213          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:03.803910          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:04.064438          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:04.330608          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:04.595273          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:04.862319          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:05.127228          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:05.657348          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:05.657657          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:05.657814          Saving settings file "C:\Users\SAMSON\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:05.693325          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:05.922953          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.185652          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:06.186120          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.207684          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:06.209156          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.232462          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.453862          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:06.454986          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:06.455166          Saving settings file "C:\Users\SAMSON\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:06.482237          Saving settings file "C:\Users\SAMSON\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:06.507436          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.713550          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:06.970960          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:07.487075          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:07.751761          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:00:08.008376          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:08.008495          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:08.033298          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:08.272616          Launched VM: 66458000 pid: 4080 (0xff0) frontend: headless name: boinc_81c519bd5df38abd
00:00:13.204220          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:20:13.909113          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:20:14.221168          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85632c68-b5bb-4316-a900-5eb28d3413df} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:20:14.252229          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox" with version "1.16-windows"
00:20:14.512197          Saving settings file "C:\Users\SAMSON\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:20:19.551043 main     VirtualBox: object deletion starts
00:20:19.551575 main     HostDnsMonitor: shutting down ...
00:20:19.551669 main     HostDnsMonitor: shut down
00:20:19.553146 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={d0a0163f-e254-4e5b-a1f2-011cf991c38d} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:20:19.553307 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

-3770 CPU @ 3.40GHz
Processor#3 speed: unknown
Processor#3 description: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Processor#4 speed: unknown
Processor#4 description: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Processor#5 speed: unknown
Processor#5 description: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Processor#6 speed: unknown
Processor#6 description: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Processor#7 speed: unknown
Processor#7 description: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Memory size: 28550 MByte
Memory available: 24957 MByte
Operating system: Windows 10
Operating system version: 10.0.19044

2022-08-04 06:15:55 (7984): 
Command: VBoxManage -q showvminfo "boinc_81c519bd5df38abd" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage.exe: error: Could not find a registered machine named 'boinc_81c519bd5df38abd'
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBoxWrap, interface IVirtualBox, callee IUnknown
VBoxManage.exe: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2733 of file VBoxManageInfo.cpp

2022-08-04 06:15:55 (7984): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC\slots\0/vm_image.vdi" 
Exit Code: -2135228412
Output:
VBoxManage.exe: error: Could not find file for the medium 'C:\ProgramData\BOINC\slots\0\vm_image.vdi' (VERR_FILE_NOT_FOUND)
VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 191 of file VBoxManageDisk.cpp

2022-08-04 06:15:56 (7984): 
Command: VBoxManage -q createvm --name "boinc_81c519bd5df38abd" --basefolder "C:\ProgramData\BOINC\slots\0" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_81c519bd5df38abd' is created and registered.
UUID: f24a7963-93a3-433a-b2ba-2fd86057225b
Settings file: 'C:\ProgramData\BOINC\slots\0\boinc_81c519bd5df38abd\boinc_81c519bd5df38abd.vbox'

2022-08-04 06:15:56 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --description "CMS_2756753_1659569931.004802_0" 
Exit Code: 0
Output:

2022-08-04 06:15:56 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --memory 8168 
Exit Code: 0
Output:

2022-08-04 06:15:56 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --cpus 8 
Exit Code: 0
Output:

2022-08-04 06:15:57 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2022-08-04 06:15:57 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2022-08-04 06:15:57 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2022-08-04 06:15:57 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2022-08-04 06:15:58 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --cableconnected1 on 
Exit Code: 0
Output:

2022-08-04 06:15:58 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --usb off 
Exit Code: 0
Output:

2022-08-04 06:15:58 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --uart1 off --uart2 off 
Exit Code: 0
Output:

2022-08-04 06:15:59 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2022-08-04 06:15:59 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --audio none 
Exit Code: 0
Output:

2022-08-04 06:15:59 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --clipboard disabled 
Exit Code: 0
Output:

2022-08-04 06:15:59 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --draganddrop disabled 
Exit Code: 0
Output:

2022-08-04 06:16:00 (7984): 
Command: VBoxManage -q storagectl "boinc_81c519bd5df38abd" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2022-08-04 06:16:00 (7984): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathomedev.cern.ch_lhcathome-dev/CMS_2022_07_25.vdi" 
Exit Code: 0
Output:
UUID:           847487b3-294d-47ee-9fe2-c1ac7ce5687a
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathomedev.cern.ch_lhcathome-dev\CMS_2022_07_25.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4017 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2022-08-04 06:16:00 (7984): 
Command: VBoxManage -q storageattach "boinc_81c519bd5df38abd" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathomedev.cern.ch_lhcathome-dev/CMS_2022_07_25.vdi" 
Exit Code: 0
Output:

2022-08-04 06:16:00 (7984): 
Command: VBoxManage -q storageattach "boinc_81c519bd5df38abd" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2022-08-04 06:16:01 (7984): 
Command: VBoxManage -q storageattach "boinc_81c519bd5df38abd" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathomedev.cern.ch_lhcathome-dev/CMS_2022_07_25.vdi" 
Exit Code: 0
Output:

2022-08-04 06:16:01 (7984): 
Command: VBoxManage -q storageattach "boinc_81c519bd5df38abd" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2022-08-04 06:16:01 (7984): 
Command: VBoxManage -q bandwidthctl "boinc_81c519bd5df38abd" add "boinc_81c519bd5df38abd_net" --type network --limit 1024G 
Exit Code: 0
Output:

2022-08-04 06:16:01 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --natpf1 ",tcp,127.0.0.1,54839,,80" 
Exit Code: 0
Output:

2022-08-04 06:16:02 (7984): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VM VirtualBox Extension Pack
Version:      6.1.32
Revision:     149290
Edition:      
Description:  Oracle Cloud Infrastructure integration, USB 2.0 and USB 3.0 Host Controller, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe.
VRDE Module:  VBoxVRDP
Usable:       true 
Why unusable: 

2022-08-04 06:16:02 (7984): 
Command: VBoxManage -q modifyvm "boinc_81c519bd5df38abd" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 54840 
Exit Code: 0
Output:

2022-08-04 06:16:02 (7984): 
Command: VBoxManage -q sharedfolder add "boinc_81c519bd5df38abd" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\0/shared"
Exit Code: 0
Output:

2022-08-04 06:16:06 (7984): 
Command: VBoxManage -q startvm "boinc_81c519bd5df38abd" --type headless
Exit Code: 0
Output:
Waiting for VM "boinc_81c519bd5df38abd" to power on...
VM "boinc_81c519bd5df38abd" has been successfully started.

2022-08-04 06:16:08 (7984): 
Command: VBoxManage -q controlvm "boinc_81c519bd5df38abd" cpuexecutioncap 100 
Exit Code: 0
Output:

2022-08-04 06:36:08 (7984): 
Command: VBoxManage -q controlvm "boinc_81c519bd5df38abd" poweroff
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2022-08-04 06:36:08 (7984): 
Command: VBoxManage -q snapshot "boinc_81c519bd5df38abd" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2022-08-04 06:36:09 (7984): 
Command: VBoxManage -q bandwidthctl "boinc_81c519bd5df38abd" remove "boinc_81c519bd5df38abd_net" 
Exit Code: 0
Output:

2022-08-04 06:36:09 (7984): 
Command: VBoxManage -q unregistervm "boinc_81c519bd5df38abd" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

06:36:14 (7984): called boinc_finish(194)

</stderr_txt>
]]>

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