Stderr output

<core_client_version>7.16.11</core_client_version>
<![CDATA[
<message>
Unspecified error
 (0x80004005) - exit code 2147500037 (0x80004005)</message>
<stderr_txt>
2025-02-02 17:41:21 (8776): vboxwrapper version 26208
2025-02-02 17:41:21 (8776): BOINC client version: 7.16.11
2025-02-02 17:41:24 (8776): Detected: VirtualBox VboxManage Interface (Version: 7.1.6)
2025-02-02 17:41:24 (8776): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2025-02-02 17:41:24 (8776): Successfully copied 'init_data.xml' to the shared directory.
2025-02-02 17:41:24 (8776): Create VM. (boinc_bb2b079cc7d96b1f, slot#8)
2025-02-02 17:41:25 (8776): Setting Memory Size for VM. (4584MB)
2025-02-02 17:41:25 (8776): Setting CPU Count for VM. (4)
2025-02-02 17:41:26 (8776): Setting Chipset Options for VM.
2025-02-02 17:41:26 (8776): Setting Graphics Controller Options for VM.
2025-02-02 17:41:26 (8776): Setting Boot Options for VM.
2025-02-02 17:41:26 (8776): Setting Network Configuration for NAT.
2025-02-02 17:41:27 (8776): Enabling VM Network Access.
2025-02-02 17:41:27 (8776): Disabling USB Support for VM.
2025-02-02 17:41:27 (8776): Disabling COM Port Support for VM.
2025-02-02 17:41:27 (8776): Disabling LPT Port Support for VM.
2025-02-02 17:41:28 (8776): Disabling Audio Support for VM.
2025-02-02 17:41:28 (8776): Disabling Clipboard Support for VM.
2025-02-02 17:41:28 (8776): Disabling Drag and Drop Support for VM.
2025-02-02 17:41:29 (8776): Adding storage controller(s) to VM.
2025-02-02 17:41:29 (8776): Adding virtual disk drive to VM. (CMS_2025_01_16_prod.vdi)
2025-02-02 17:41:31 (8776): Adding VirtualBox Guest Additions to VM.
2025-02-02 17:41:31 (8776): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-02-02 17:41:32 (8776): forwarding host port 61652 to guest port 80
2025-02-02 17:41:32 (8776): Enabling remote desktop for VM.
2025-02-02 17:41:32 (8776): Required extension pack not installed, remote desktop not enabled.
2025-02-02 17:41:32 (8776): Enabling shared directory for VM.
2025-02-02 17:41:33 (8776): Starting VM using VBoxManage interface. (boinc_bb2b079cc7d96b1f, slot#8)
2025-02-02 17:41:38 (8776): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_bb2b079cc7d96b1f" --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_bb2b079cc7d96b1f" to power on...

2025-02-02 17:41:38 (8776): VM failed to start.
2025-02-02 17:41:38 (8776): Could not start 
2025-02-02 17:41:38 (8776): ERROR: VM failed to start
2025-02-02 17:41:38 (8776): Powering off VM.
2025-02-02 17:41:38 (8776): Deregistering VM. (boinc_bb2b079cc7d96b1f, slot#8)
2025-02-02 17:41:39 (8776): Removing network bandwidth throttle group from VM.
2025-02-02 17:41:39 (8776): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:15.584493          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.584503          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855399          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855445          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855459          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855472          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855483          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855495          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855506          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855519          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855531          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855542          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855554          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855572          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855587          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855598          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.855609          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856156          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856175          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856188          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856200          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856210          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856221          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856232          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856243          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856254          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856265          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856276          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856286          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856297          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856311          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856323          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.856471          Saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.860102          Finished saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml"
00:00:15.860265          Saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.863806          Finished saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml"
00:00:15.865311 DeleteVM Saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.869795 DeleteVM Finished saving settings file "C:\Users\santa\.VirtualBox\VirtualBox.xml"
00:00:20.880855 main     VirtualBox: object deletion starts
00:00:20.882192 main     HostDnsMonitor: shutting down ...
00:00:20.882251 main     HostDnsMonitor: shut down
00:00:20.885014 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:20.885501 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

ne 3219 of file VBoxManageInfo.cpp

2025-02-02 17:41:25 (8776): 
Command: VBoxManage -q createvm --name "boinc_bb2b079cc7d96b1f" --basefolder "C:\ProgramData\BOINC\slots\8" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_bb2b079cc7d96b1f' is created and registered.
UUID: b3f43491-3264-4019-a9ea-8b89548eebe0
Settings file: 'C:\ProgramData\BOINC\slots\8\boinc_bb2b079cc7d96b1f\boinc_bb2b079cc7d96b1f.vbox'

2025-02-02 17:41:25 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --description "CMS_4125190_1738531273.634643_0" 
Exit Code: 0
Output:

2025-02-02 17:41:25 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --memory 4584 
Exit Code: 0
Output:

2025-02-02 17:41:26 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --cpus 4 
Exit Code: 0
Output:

2025-02-02 17:41:26 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2025-02-02 17:41:26 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-02-02 17:41:26 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-02-02 17:41:27 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2025-02-02 17:41:27 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --cableconnected1 on 
Exit Code: 0
Output:

2025-02-02 17:41:27 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --usb off 
Exit Code: 0
Output:

2025-02-02 17:41:27 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-02-02 17:41:28 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-02-02 17:41:28 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --audio-enabled off 
Exit Code: 0
Output:

2025-02-02 17:41:28 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --clipboard disabled 
Exit Code: 0
Output:

2025-02-02 17:41:29 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --draganddrop disabled 
Exit Code: 0
Output:

2025-02-02 17:41:29 (8776): 
Command: VBoxManage -q storagectl "boinc_bb2b079cc7d96b1f" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-02-02 17:41:29 (8776): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           3da9ab36-1206-4cc3-8a9a-8d4138ab45c5
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-02 17:41:29 (8776): 
Command: VBoxManage -q storageattach "boinc_bb2b079cc7d96b1f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.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 786 of file VBoxManageStorageController.cpp

2025-02-02 17:41:30 (8776): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           3da9ab36-1206-4cc3-8a9a-8d4138ab45c5
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-02 17:41:30 (8776): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-02 17:41:30 (8776): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           3da9ab36-1206-4cc3-8a9a-8d4138ab45c5
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-02 17:41:30 (8776): 
Command: VBoxManage -q storageattach "boinc_bb2b079cc7d96b1f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-02 17:41:31 (8776): 
Command: VBoxManage -q storageattach "boinc_bb2b079cc7d96b1f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-02-02 17:41:31 (8776): 
Command: VBoxManage -q storageattach "boinc_bb2b079cc7d96b1f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-02 17:41:31 (8776): 
Command: VBoxManage -q storageattach "boinc_bb2b079cc7d96b1f" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-02-02 17:41:32 (8776): 
Command: VBoxManage -q bandwidthctl "boinc_bb2b079cc7d96b1f" add "boinc_bb2b079cc7d96b1f_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-02-02 17:41:32 (8776): 
Command: VBoxManage -q modifyvm "boinc_bb2b079cc7d96b1f" --natpf1 ",tcp,127.0.0.1,61652,,80" 
Exit Code: 0
Output:

2025-02-02 17:41:32 (8776): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2025-02-02 17:41:32 (8776): 
Command: VBoxManage -q sharedfolder add "boinc_bb2b079cc7d96b1f" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\8/shared"
Exit Code: 0
Output:

2025-02-02 17:41:38 (8776): 
Command: VBoxManage -q startvm "boinc_bb2b079cc7d96b1f" --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_bb2b079cc7d96b1f" to power on...

2025-02-02 17:41:39 (8776): 
Command: VBoxManage -q snapshot "boinc_bb2b079cc7d96b1f" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-02-02 17:41:39 (8776): 
Command: VBoxManage -q bandwidthctl "boinc_bb2b079cc7d96b1f" remove "boinc_bb2b079cc7d96b1f_net" 
Exit Code: 0
Output:
VBoxManage.exe: error: Bandwidth groups cannot be deleted while the VM is running

2025-02-02 17:41:39 (8776): 
Command: VBoxManage -q unregistervm "boinc_bb2b079cc7d96b1f" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-02-02 17:41:44 (8776): called boinc_finish(-2147467259)

</stderr_txt>
]]>

©2025 CERN