Name YL8MDm7eog7n9Rq4apOajLDm4fhM0noT9bVof3QYDmO2ZKDm9Fc5Ho_1
Workunit 232835171
Created 4 Jun 2025, 0:01:43 UTC
Sent 4 Jun 2025, 2:28:22 UTC
Report deadline 12 Jun 2025, 2:28:22 UTC
Received 4 Jun 2025, 2:45:29 UTC
Server state Over
Outcome Computation error
Client state Compute error
Exit status -2147467259 (0x80004005) Unknown error code
Computer ID 10820443
Run time 28 sec
CPU time
Validate state Invalid
Credit 0.00
Device peak FLOPS 20.03 GFLOPS
Application version ATLAS Simulation v3.01 (vbox64_mt_mcore_atlas)
windows_x86_64
Peak working set size 11.73 MB
Peak swap size 6.22 MB
Peak disk usage 204.77 MB

Stderr output

<core_client_version>7.16.20</core_client_version>
<![CDATA[
<message>
Unspecified error
 (0x80004005) - exit code 2147500037 (0x80004005)</message>
<stderr_txt>
2025-06-03 21:31:02 (9160): Detected: vboxwrapper 26206
2025-06-03 21:31:02 (9160): Detected: BOINC client v7.16.20
2025-06-03 21:31:03 (9160): Detected: VirtualBox VboxManage Interface (Version: 7.0.22)
2025-06-03 21:31:03 (9160): Successfully copied 'init_data.xml' to the shared directory.
2025-06-03 21:31:04 (9160): Create VM. (boinc_227aad767a8917d3, slot#0)
2025-06-03 21:31:04 (9160): Setting Memory Size for VM. (4400MB)
2025-06-03 21:31:05 (9160): Setting CPU Count for VM. (4)
2025-06-03 21:31:05 (9160): Setting Chipset Options for VM.
2025-06-03 21:31:05 (9160): Setting Graphics Controller Options for VM.
2025-06-03 21:31:05 (9160): Setting Boot Options for VM.
2025-06-03 21:31:06 (9160): Setting Network Configuration for NAT.
2025-06-03 21:31:06 (9160): Enabling VM Network Access.
2025-06-03 21:31:06 (9160): Disabling USB Support for VM.
2025-06-03 21:31:06 (9160): Disabling COM Port Support for VM.
2025-06-03 21:31:07 (9160): Disabling LPT Port Support for VM.
2025-06-03 21:31:07 (9160): Disabling Audio Support for VM.
2025-06-03 21:31:07 (9160): Disabling Clipboard Support for VM.
2025-06-03 21:31:07 (9160): Disabling Drag and Drop Support for VM.
2025-06-03 21:31:08 (9160): Adding storage controller(s) to VM.
2025-06-03 21:31:08 (9160): Adding virtual disk drive to VM. (ATLAS_vbox_3.01_image.vdi)
2025-06-03 21:31:11 (9160): Adding VirtualBox Guest Additions to VM.
2025-06-03 21:31:11 (9160): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-06-03 21:31:11 (9160): forwarding host port 63239 to guest port 80
2025-06-03 21:31:11 (9160): Enabling remote desktop for VM.
2025-06-03 21:31:12 (9160): Enabling shared directory for VM.
2025-06-03 21:31:13 (9160): Starting VM using VBoxManage interface. (boinc_227aad767a8917d3, slot#0)
2025-06-03 21:31:16 (9160): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_227aad767a8917d3" --type headless
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_227aad767a8917d3" to power on...

2025-06-03 21:31:16 (9160): VM failed to start.
2025-06-03 21:31:16 (9160): Could not start 
2025-06-03 21:31:16 (9160): ERROR: VM failed to start
2025-06-03 21:31:16 (9160): Powering off VM.
2025-06-03 21:31:16 (9160): Deregistering VM. (boinc_227aad767a8917d3, slot#0)
2025-06-03 21:31:16 (9160): Removing network bandwidth throttle group from VM.
2025-06-03 21:31:17 (9160): Removing VM from VirtualBox.

    Hypervisor System Log:

49:53:16.950895          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.01_image.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later}, preserve=false aResultDetail=0
49:53:17.206198          Saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
49:53:17.274080          Finished saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml"
49:53:18.720003          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:18.720443          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:18.720651          Saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
49:53:18.756610          Finished saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml"
49:53:18.757256          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:18.778037          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:18.975239          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.007610          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:19.229638          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:19.230293          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.265982          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:19.266237          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:19.268648          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.298862          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:19.299584          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.314423          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:19.487251          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:19.487635          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:19.488231          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.517582          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:19.745233          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:19.793128          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:20.004663          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:20.036520          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:20.551014          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:20.578386          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:20.808598          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:20.843064          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:21.067614          ERROR [COM]: aRC=VBOX_E_NOT_SUPPORTED (0x80bb0009) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This VM is not encrypted}, preserve=false aResultDetail=0
49:53:21.074645          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:21.074735          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
49:53:21.266953          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
49:53:21.574987          Launched VM: 3239290560 pid: 7652 (0x1de4) frontend: headless name: boinc_227aad767a8917d3
49:53:25.146679          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox" with version "1.19-windows"
49:53:25.169875          Finished saving settings file "C:\ProgramData\BOINC\slots\0\boinc_227aad767a8917d3\boinc_227aad767a8917d3.vbox"
49:53:25.242957          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
49:53:25.558030          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={Cannot unregister the machine 'boinc_227aad767a8917d3' while it is locked}, preserve=false aResultDetail=0
49:53:26.814673          Saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
49:53:26.844821          Finished saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml"
49:53:26.845017          Saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
49:53:26.869689          Finished saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml"
49:53:26.871377 DeleteVM Saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
49:53:26.913472 DeleteVM Finished saving settings file "C:\Users\franc\.VirtualBox\VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

fyvm "boinc_227aad767a8917d3" --memory 4400 
Exit Code: 0
Output:

2025-06-03 21:31:05 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --cpus 4 
Exit Code: 0
Output:

2025-06-03 21:31:05 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2025-06-03 21:31:05 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-06-03 21:31:06 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-06-03 21:31:06 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2025-06-03 21:31:06 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --cableconnected1 on 
Exit Code: 0
Output:

2025-06-03 21:31:06 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --usb off 
Exit Code: 0
Output:

2025-06-03 21:31:07 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-06-03 21:31:07 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-06-03 21:31:07 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --audio none 
Exit Code: 0
Output:
Warning: --audio is deprecated and will be removed soon. Use --audio-driver instead!

2025-06-03 21:31:07 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --clipboard disabled 
Exit Code: 0
Output:

2025-06-03 21:31:08 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --draganddrop disabled 
Exit Code: 0
Output:

2025-06-03 21:31:08 (9160): 
Command: VBoxManage -q storagectl "boinc_227aad767a8917d3" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-06-03 21:31:08 (9160): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: 0
Output:
UUID:           ba4f7346-8ee8-4da6-a071-5ab41c7f9cb8
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.01_image.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4204 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-06-03 21:31:08 (9160): 
Command: VBoxManage -q storageattach "boinc_227aad767a8917d3" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.01_image.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component SessionMachine, interface IMachine, callee IUnknown
VBoxManage.exe: error: Context: "AttachDevice(Bstr(pszCtl).raw(), port, device, DeviceType_HardDisk, pMedium2Mount)" at line 785 of file VBoxManageStorageController.cpp

2025-06-03 21:31:09 (9160): 
Command: VBoxManage -q closemedium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: 0
Output:

2025-06-03 21:31:10 (9160): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: 0
Output:
UUID:           ba4f7346-8ee8-4da6-a071-5ab41c7f9cb8
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.01_image.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4204 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-06-03 21:31:10 (9160): 
Command: VBoxManage -q storageattach "boinc_227aad767a8917d3" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: 0
Output:

2025-06-03 21:31:10 (9160): 
Command: VBoxManage -q storageattach "boinc_227aad767a8917d3" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-06-03 21:31:11 (9160): 
Command: VBoxManage -q storageattach "boinc_227aad767a8917d3" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.01_image.vdi" 
Exit Code: 0
Output:

2025-06-03 21:31:11 (9160): 
Command: VBoxManage -q storageattach "boinc_227aad767a8917d3" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-06-03 21:31:11 (9160): 
Command: VBoxManage -q bandwidthctl "boinc_227aad767a8917d3" add "boinc_227aad767a8917d3_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-06-03 21:31:11 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --natpf1 ",tcp,127.0.0.1,63239,,80" 
Exit Code: 0
Output:

2025-06-03 21:31:12 (9160): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VM VirtualBox Extension Pack
Version:        7.0.22
Revision:       165102
Edition:        
Description:    Oracle Cloud Infrastructure integration, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe, full VM encryption.
VRDE Module:    VBoxVRDP
Crypto Module:  VBoxPuelCrypto
Usable:         true
Why unusable:   

2025-06-03 21:31:12 (9160): 
Command: VBoxManage -q modifyvm "boinc_227aad767a8917d3" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 63240 
Exit Code: 0
Output:

2025-06-03 21:31:12 (9160): 
Command: VBoxManage -q sharedfolder add "boinc_227aad767a8917d3" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\0/shared"
Exit Code: 0
Output:

2025-06-03 21:31:16 (9160): 
Command: VBoxManage -q startvm "boinc_227aad767a8917d3" --type headless
Exit Code: -2147467259
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_227aad767a8917d3" to power on...

2025-06-03 21:31:16 (9160): 
Command: VBoxManage -q snapshot "boinc_227aad767a8917d3" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-06-03 21:31:17 (9160): 
Command: VBoxManage -q bandwidthctl "boinc_227aad767a8917d3" remove "boinc_227aad767a8917d3_net" 
Exit Code: 0
Output:
VBoxManage.exe: error: Bandwidth groups cannot be deleted while the VM is running

2025-06-03 21:31:17 (9160): 
Command: VBoxManage -q unregistervm "boinc_227aad767a8917d3" --delete 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot unregister the machine 'boinc_227aad767a8917d3' while it is locked
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MachineWrap, interface IMachine, callee IUnknown
VBoxManage.exe: error: Context: "Unregister(fDeleteAll ? CleanupMode_DetachAllReturnHardDisksAndVMRemovable :CleanupMode_DetachAllReturnHardDisksOnly, ComSafeArrayAsOutParam(aMedia))" at line 236 of file VBoxManageMisc.cpp

2025-06-03 21:31:18 (9160): 
Command: VBoxManage -q unregistervm "boinc_227aad767a8917d3" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

21:31:28 (9160): called boinc_finish(-2147467259)

</stderr_txt>
]]>


©2025 CERN