| Name | Theory_2773-2922187-53_0 |
| Workunit | 223597399 |
| Created | 13 Jun 2024, 9:41:27 UTC |
| Sent | 14 Jun 2024, 5:15:36 UTC |
| Report deadline | 25 Jun 2024, 5:15:36 UTC |
| Received | 15 Jun 2024, 3:15:16 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 1 (0x00000001) Unknown error code |
| Computer ID | 10672413 |
| Run time | 18 sec |
| CPU time | 0 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 3.51 GFLOPS |
| Application version | Theory Simulation v300.30 (vbox64_theory) windows_x86_64 |
| Peak working set size | 11.66 MB |
| Peak swap size | 6.20 MB |
| Peak disk usage | 2.03 MB |
Stderr output
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
Incorrect function.
(0x1) - exit code 1 (0x1)</message>
<stderr_txt>
2024-06-14 21:51:19 (12468): vboxwrapper version 26207
2024-06-14 21:51:19 (12468): BOINC client version: 8.0.2
2024-06-14 21:51:20 (12468): Detected: VirtualBox VboxManage Interface (Version: 7.0.6)
2024-06-14 21:51:20 (12468): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2024-06-14 21:51:20 (12468): Successfully copied 'init_data.xml' to the shared directory.
2024-06-14 21:51:20 (12468): Successfully copied 'input' to the shared directory.
2024-06-14 21:51:21 (12468): Create VM. (boinc_d1767c2a490e7000, slot#3)
2024-06-14 21:51:21 (12468): Setting Memory Size for VM. (630MB)
2024-06-14 21:51:21 (12468): Setting CPU Count for VM. (1)
2024-06-14 21:51:22 (12468): Setting Chipset Options for VM.
2024-06-14 21:51:22 (12468): Setting Graphics Controller Options for VM.
2024-06-14 21:51:22 (12468): Setting Boot Options for VM.
2024-06-14 21:51:22 (12468): Setting Network Configuration for NAT.
2024-06-14 21:51:23 (12468): Enabling VM Network Access.
2024-06-14 21:51:23 (12468): Disabling USB Support for VM.
2024-06-14 21:51:23 (12468): Disabling COM Port Support for VM.
2024-06-14 21:51:23 (12468): Disabling LPT Port Support for VM.
2024-06-14 21:51:24 (12468): Disabling Audio Support for VM.
2024-06-14 21:51:24 (12468): Disabling Clipboard Support for VM.
2024-06-14 21:51:24 (12468): Disabling Drag and Drop Support for VM.
2024-06-14 21:51:25 (12468): Adding storage controller(s) to VM.
2024-06-14 21:51:25 (12468): Adding virtual disk drive to VM. (Theory_2024_04_30_prod.vdi)
2024-06-14 21:51:27 (12468): Adding VirtualBox Guest Additions to VM.
2024-06-14 21:51:27 (12468): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2024-06-14 21:51:27 (12468): forwarding host port 52547 to guest port 80
2024-06-14 21:51:28 (12468): Enabling remote desktop for VM.
2024-06-14 21:51:28 (12468): Required extension pack not installed, remote desktop not enabled.
2024-06-14 21:51:28 (12468): Enabling shared directory for VM.
2024-06-14 21:51:29 (12468): Starting VM using VBoxManage interface. (boinc_d1767c2a490e7000, slot#3)
2024-06-14 21:51:30 (12468): Error in start VM for VM: 1
Command:
VBoxManage -q startvm "boinc_d1767c2a490e7000" --type headless
Output:
VBoxManage.exe: error: The virtual machine 'boinc_d1767c2a490e7000' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'C:\ProgramData\BOINC\slots\3\boinc_d1767c2a490e7000\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_d1767c2a490e7000" to power on...
2024-06-14 21:51:30 (12468): VM failed to start.
2024-06-14 21:51:30 (12468): Could not start
2024-06-14 21:51:30 (12468): ERROR: VM failed to start
2024-06-14 21:51:30 (12468): Powering off VM.
2024-06-14 21:51:30 (12468): Deregistering VM. (boinc_d1767c2a490e7000, slot#3)
2024-06-14 21:51:30 (12468): Removing network bandwidth throttle group from VM.
2024-06-14 21:51:30 (12468): Removing VM from VirtualBox.
Hypervisor System Log:
00:00:10.700254 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700261 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700267 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700276 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700283 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700556 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700569 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700577 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700584 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700591 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700597 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700604 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700611 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700617 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700624 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700630 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700637 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700643 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700649 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700656 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700662 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700668 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700678 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700686 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700693 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700699 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700706 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700712 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700718 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700725 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700731 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700737 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.700824 Saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.704244 Finished saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml"
00:00:10.704440 Saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.708154 Finished saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml"
00:00:10.709295 DeleteVM Saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.713655 DeleteVM Finished saving settings file "C:\Users\Chuck\.VirtualBox\VirtualBox.xml"
00:00:15.716315 main VirtualBox: object deletion starts
00:00:15.720015 main HostDnsMonitor: shutting down ...
00:00:15.720184 main HostDnsMonitor: shut down
00:00:15.724390 Watcher ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={7682d5eb-f00e-44f1-8ca2-99d08b1cd607} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:15.724956 main VirtualBox: object deleted
VM Execution Log:
VM Startup Log:
VM Trace Log:
nfo.cpp
2024-06-14 21:51:21 (12468):
Command: VBoxManage -q createvm --name "boinc_d1767c2a490e7000" --basefolder "C:\ProgramData\BOINC\slots\3" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_d1767c2a490e7000' is created and registered.
UUID: 07f4b311-4a30-49ff-993a-528ec9d61eae
Settings file: 'C:\ProgramData\BOINC\slots\3\boinc_d1767c2a490e7000\boinc_d1767c2a490e7000.vbox'
2024-06-14 21:51:21 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --description "Theory_2773-2922187-53_0"
Exit Code: 0
Output:
2024-06-14 21:51:21 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --memory 630
Exit Code: 0
Output:
2024-06-14 21:51:22 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --cpus 1
Exit Code: 0
Output:
2024-06-14 21:51:22 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --acpi on --ioapic on --rtcuseutc off
Exit Code: 0
Output:
2024-06-14 21:51:22 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --vram 16 --graphicscontroller VBoxVGA
Exit Code: 0
Output:
2024-06-14 21:51:22 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --boot1 disk --boot2 dvd --boot3 none --boot4 none
Exit Code: 0
Output:
2024-06-14 21:51:23 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --nic1 nat --natdnsproxy1 on --cableconnected1 off
Exit Code: 0
Output:
2024-06-14 21:51:23 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --cableconnected1 on
Exit Code: 0
Output:
2024-06-14 21:51:23 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --usb off
Exit Code: 0
Output:
2024-06-14 21:51:23 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --uart1 off --uart2 off
Exit Code: 0
Output:
2024-06-14 21:51:24 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --lpt1 off --lpt2 off
Exit Code: 0
Output:
2024-06-14 21:51:24 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --audio-enabled off
Exit Code: 0
Output:
2024-06-14 21:51:24 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --clipboard disabled
Exit Code: 0
Output:
2024-06-14 21:51:25 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --draganddrop disabled
Exit Code: 0
Output:
2024-06-14 21:51:25 (12468):
Command: VBoxManage -q storagectl "boinc_d1767c2a490e7000" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:
2024-06-14 21:51:25 (12468):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
UUID: 3bbae7b0-9837-4992-8ac4-5c7feef1de80
Parent UUID: base
State: created
Type: multiattach
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2024_04_30_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 781 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2024-06-14 21:51:25 (12468):
Command: VBoxManage -q storageattach "boinc_d1767c2a490e7000" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2024_04_30_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 785 of file VBoxManageStorageController.cpp
2024-06-14 21:51:26 (12468):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
UUID: 3bbae7b0-9837-4992-8ac4-5c7feef1de80
Parent UUID: base
State: created
Type: multiattach
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2024_04_30_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 781 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2024-06-14 21:51:26 (12468):
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
2024-06-14 21:51:26 (12468):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
UUID: 3bbae7b0-9837-4992-8ac4-5c7feef1de80
Parent UUID: base
State: created
Type: normal (base)
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2024_04_30_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 781 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2024-06-14 21:51:26 (12468):
Command: VBoxManage -q storageattach "boinc_d1767c2a490e7000" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
2024-06-14 21:51:27 (12468):
Command: VBoxManage -q storageattach "boinc_d1767c2a490e7000" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none
Exit Code: 0
Output:
2024-06-14 21:51:27 (12468):
Command: VBoxManage -q storageattach "boinc_d1767c2a490e7000" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2024_04_30_prod.vdi"
Exit Code: 0
Output:
2024-06-14 21:51:27 (12468):
Command: VBoxManage -q storageattach "boinc_d1767c2a490e7000" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso"
Exit Code: 0
Output:
2024-06-14 21:51:27 (12468):
Command: VBoxManage -q bandwidthctl "boinc_d1767c2a490e7000" add "boinc_d1767c2a490e7000_net" --type network --limit 1024G
Exit Code: 0
Output:
2024-06-14 21:51:28 (12468):
Command: VBoxManage -q modifyvm "boinc_d1767c2a490e7000" --natpf1 ",tcp,127.0.0.1,52547,,80"
Exit Code: 0
Output:
2024-06-14 21:51:28 (12468):
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0
2024-06-14 21:51:28 (12468):
Command: VBoxManage -q sharedfolder add "boinc_d1767c2a490e7000" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\3/shared"
Exit Code: 0
Output:
2024-06-14 21:51:30 (12468):
Command: VBoxManage -q startvm "boinc_d1767c2a490e7000" --type headless
Exit Code: 1
Output:
VBoxManage.exe: error: The virtual machine 'boinc_d1767c2a490e7000' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'C:\ProgramData\BOINC\slots\3\boinc_d1767c2a490e7000\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_d1767c2a490e7000" to power on...
2024-06-14 21:51:30 (12468):
Command: VBoxManage -q snapshot "boinc_d1767c2a490e7000" list
Exit Code: -108
Output:
This machine does not have any snapshots
2024-06-14 21:51:30 (12468):
Command: VBoxManage -q bandwidthctl "boinc_d1767c2a490e7000" remove "boinc_d1767c2a490e7000_net"
Exit Code: 0
Output:
2024-06-14 21:51:30 (12468):
Command: VBoxManage -q unregistervm "boinc_d1767c2a490e7000" --delete
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
2024-06-14 21:51:35 (12468): called boinc_finish(1)
</stderr_txt>
]]>
©2024 CERN