Name CMS_3552238_1736599943.736384_0
Workunit 229747579
Created 11 Jan 2025, 12:52:28 UTC
Sent 11 Jan 2025, 14:03:10 UTC
Report deadline 11 Feb 2025, 14:03:10 UTC
Received 11 Jan 2025, 14:09:49 UTC
Server state Over
Outcome Computation error
Client state Compute error
Exit status 5 (0x00000005) Unknown error code
Computer ID 10848541
Run time 8 sec
CPU time
Validate state Invalid
Credit 0.00
Device peak FLOPS 21.02 GFLOPS
Application version CMS Simulation v70.50 (vbox64_mt_mcore_cms)
x86_64-apple-darwin
Peak disk usage 1.08 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
process exited with code 5 (0x5, -251)</message>
<stderr_txt>
2025-01-11 15:03:31 (21331): vboxwrapper version 26207
2025-01-11 15:03:31 (21331): BOINC client version: 8.0.2
2025-01-11 15:03:31 (21331): Detected: VirtualBox VboxManage Interface (Version: 7.1.4)
2025-01-11 15:03:31 (21331): Detected: Sandbox Configuration Enabled
2025-01-11 15:03:31 (21331): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2025-01-11 15:03:31 (21331): Successfully copied 'init_data.xml' to the shared directory.
2025-01-11 15:03:31 (21331): Create VM. (boinc_8bd4e99b50762817, slot#0)
2025-01-11 15:03:32 (21331): Setting Memory Size for VM. (4584MB)
2025-01-11 15:03:32 (21331): Setting CPU Count for VM. (4)
2025-01-11 15:03:32 (21331): Setting Chipset Options for VM.
2025-01-11 15:03:32 (21331): Setting Graphics Controller Options for VM.
2025-01-11 15:03:32 (21331): Setting Boot Options for VM.
2025-01-11 15:03:32 (21331): Setting Network Configuration for NAT.
2025-01-11 15:03:32 (21331): Enabling VM Network Access.
2025-01-11 15:03:32 (21331): Disabling USB Support for VM.
2025-01-11 15:03:32 (21331): Disabling COM Port Support for VM.
2025-01-11 15:03:32 (21331): Disabling Audio Support for VM.
2025-01-11 15:03:32 (21331): Disabling Clipboard Support for VM.
2025-01-11 15:03:32 (21331): Disabling Drag and Drop Support for VM.
2025-01-11 15:03:32 (21331): Adding storage controller(s) to VM.
2025-01-11 15:03:32 (21331): Adding virtual disk drive to VM. (CMS_2024_05_03_prod.vdi)
2025-01-11 15:03:32 (21331): Adding VirtualBox Guest Additions to VM.
2025-01-11 15:03:32 (21331): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-01-11 15:03:32 (21331): forwarding host port 51150 to guest port 80
2025-01-11 15:03:32 (21331): Enabling remote desktop for VM.
2025-01-11 15:03:32 (21331): Required extension pack not installed, remote desktop not enabled.
2025-01-11 15:03:32 (21331): Enabling shared directory for VM.
2025-01-11 15:03:32 (21331): Starting VM using VBoxManage interface. (boinc_8bd4e99b50762817, slot#0)
2025-01-11 15:03:33 (21331): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_8bd4e99b50762817" --type headless
Output:
VBoxManage: error: The VM session was aborted
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component SessionMachine, interface ISession
Waiting for VM "boinc_8bd4e99b50762817" to power on...

2025-01-11 15:03:33 (21331): VM failed to start.
2025-01-11 15:03:33 (21331): Could not start 
2025-01-11 15:03:33 (21331): ERROR: VM failed to start
2025-01-11 15:03:33 (21331): Powering off VM.
2025-01-11 15:03:33 (21331): Deregistering VM. (boinc_8bd4e99b50762817, slot#0)
2025-01-11 15:03:33 (21331): Removing network bandwidth throttle group from VM.
2025-01-11 15:03:33 (21331): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:00.861262 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:00.891748 DCon03   Platform architecture set to 'x86'
00:00:00.893142 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:00.893531 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:00.894128 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:00.894328 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:00.895433 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:00.896582 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:00.897022 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:00.899660 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:00.926874 DCon03   Platform architecture set to 'x86'
00:00:00.928490 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:00.934948 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:00.935379 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:00.936151 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:00.936318 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:00.936762 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:00.937114 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:00.939619 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:00.970146 DCon03   Platform architecture set to 'x86'
00:00:00.971133 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:00.971826 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:01.003442 DCon03   Platform architecture set to 'x86'
00:00:01.004782 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:01.005268 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:01.055829 DCon02   Platform architecture set to 'x86'
00:00:01.056765 DCon02   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:01.057425 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:01.084501 DCon02   Platform architecture set to 'x86'
00:00:01.086177 DCon02   ERROR [COM]: aRC=VBOX_E_NOT_SUPPORTED (0x80bb0009) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This VM is not encrypted}, preserve=false aResultDetail=0
00:00:01.093996 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.094125 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.105029 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:01.106201 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:01.133180 DCon03   Launched VM: 22940144 pid: 21402 (0x539a) frontend: headless name: boinc_8bd4e99b50762817
00:00:01.150067 DCon02   Platform architecture set to 'x86'
00:00:01.151828 DCon02   ERROR [COM]: aRC=VBOX_E_VM_ERROR (0x80bb0003) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={Failed to assign the machine to the session (VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED)}, preserve=false aResultDetail=0
00:00:01.151960 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:01.152502 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:01.183129 DCon02   Platform architecture set to 'x86'
00:00:01.183551 Watcher  Reaper: Pid 21402 (0x539a) exited normally: 1 (0x1)
00:00:01.183817 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:01.214542 DCon03   Platform architecture set to 'x86'
00:00:01.215853 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox" with version "1.19-macosx"
00:00:01.216559 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox"
00:00:01.245109 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.245776 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.245801 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.246236 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.246624 DeleteVM Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.247069 DeleteVM Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:06.249124 main     VirtualBox: object deletion starts

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

Exit Code: 0
Output:
Virtual machine 'boinc_8bd4e99b50762817' is created and registered.
UUID: 6592994f-1f45-434a-8be8-fe4f5d2ff753
Settings file: '/Library/Application Support/BOINC Data/slots/0/boinc_8bd4e99b50762817/boinc_8bd4e99b50762817.vbox'

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --description "CMS_3552238_1736599943.736384_0" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --memory 4584 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --cpus 4 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --acpi on --ioapic on --rtcuseutc on 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --cableconnected1 on 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --usb off 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --audio-enabled off 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --clipboard disabled 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --draganddrop disabled 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storagectl "boinc_8bd4e99b50762817" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           d641b293-d41e-43ac-9bbd-c4428a0a785a
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storageattach "boinc_8bd4e99b50762817" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component SessionMachine, interface IMachine, callee nsISupports
VBoxManage: error: Context: "AttachDevice(Bstr(pszCtl).raw(), port, device, DeviceType_HardDisk, pMedium2Mount)" at line 786 of file VBoxManageStorageController.cpp

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           d641b293-d41e-43ac-9bbd-c4428a0a785a
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q closemedium disk "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           d641b293-d41e-43ac-9bbd-c4428a0a785a
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storageattach "boinc_8bd4e99b50762817" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storageattach "boinc_8bd4e99b50762817" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storageattach "boinc_8bd4e99b50762817" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/CMS_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q storageattach "boinc_8bd4e99b50762817" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "/Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q bandwidthctl "boinc_8bd4e99b50762817" add "boinc_8bd4e99b50762817_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q modifyvm "boinc_8bd4e99b50762817" --natpf1 ",tcp,127.0.0.1,51150,,80" 
Exit Code: 0
Output:

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VirtualBox Extension Pack
Version:        7.1.4
Revision:       165100
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:   

2025-01-11 15:03:32 (21331): 
Command: VBoxManage -q sharedfolder add "boinc_8bd4e99b50762817" --name "shared" --hostpath "/Library/Application Support/BOINC Data/slots/0/shared"
Exit Code: 0
Output:

2025-01-11 15:03:33 (21331): 
Command: VBoxManage -q startvm "boinc_8bd4e99b50762817" --type headless
Exit Code: -2147467259
Output:
VBoxManage: error: The VM session was aborted
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component SessionMachine, interface ISession
Waiting for VM "boinc_8bd4e99b50762817" to power on...

2025-01-11 15:03:33 (21331): 
Command: VBoxManage -q snapshot "boinc_8bd4e99b50762817" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2025-01-11 15:03:33 (21331): 
Command: VBoxManage -q bandwidthctl "boinc_8bd4e99b50762817" remove "boinc_8bd4e99b50762817_net" 
Exit Code: 0
Output:

2025-01-11 15:03:33 (21331): 
Command: VBoxManage -q unregistervm "boinc_8bd4e99b50762817" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-01-11 15:03:38 (21331): called boinc_finish(-2147467259)

</stderr_txt>
]]>


©2025 CERN