Name | CMS_1703071_1737577683.814613_0 |
Workunit | 229902653 |
Created | 22 Jan 2025, 20:28:06 UTC |
Sent | 22 Jan 2025, 20:51:23 UTC |
Report deadline | 22 Feb 2025, 20:51:23 UTC |
Received | 22 Jan 2025, 20:54:11 UTC |
Server state | Over |
Outcome | Computation error |
Client state | Compute error |
Exit status | 1 (0x00000001) Unknown error code |
Computer ID | 10586418 |
Run time | 4 sec |
CPU time | |
Validate state | Invalid |
Credit | 0.00 |
Device peak FLOPS | 17.29 GFLOPS |
Application version | CMS Simulation v70.60 (vbox64_mt_mcore_cms) windows_x86_64 |
Peak working set size | 6.95 MB |
Peak swap size | 1.79 MB |
Peak disk usage | 0.75 MB |
<core_client_version>8.0.2</core_client_version> <![CDATA[ <message> Incorrect function. (0x1) - exit code 1 (0x1)</message> <stderr_txt> 2025-01-22 21:52:41 (14580): vboxwrapper version 26208 2025-01-22 21:52:41 (14580): BOINC client version: 8.0.2 2025-01-22 21:52:42 (14580): Detected: VirtualBox VboxManage Interface (Version: 7.0.6) 2025-01-22 21:52:42 (14580): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds) 2025-01-22 21:52:42 (14580): Successfully copied 'init_data.xml' to the shared directory. 2025-01-22 21:52:43 (14580): Create VM. (boinc_c0255a3469e762a5, slot#1) 2025-01-22 21:52:43 (14580): Setting Memory Size for VM. (4584MB) 2025-01-22 21:52:43 (14580): Setting CPU Count for VM. (4) 2025-01-22 21:52:44 (14580): Setting Chipset Options for VM. 2025-01-22 21:52:44 (14580): Setting Graphics Controller Options for VM. 2025-01-22 21:52:44 (14580): Setting Boot Options for VM. 2025-01-22 21:52:44 (14580): Setting Network Configuration for NAT. 2025-01-22 21:52:45 (14580): Enabling VM Network Access. 2025-01-22 21:52:45 (14580): Disabling USB Support for VM. 2025-01-22 21:52:45 (14580): Disabling COM Port Support for VM. 2025-01-22 21:52:45 (14580): Disabling LPT Port Support for VM. 2025-01-22 21:52:46 (14580): Disabling Audio Support for VM. 2025-01-22 21:52:46 (14580): Disabling Clipboard Support for VM. 2025-01-22 21:52:46 (14580): Disabling Drag and Drop Support for VM. 2025-01-22 21:52:47 (14580): Adding storage controller(s) to VM. 2025-01-22 21:52:47 (14580): Adding virtual disk drive to VM. (CMS_2025_01_16_prod.vdi) 2025-01-22 21:52:49 (14580): Adding VirtualBox Guest Additions to VM. 2025-01-22 21:52:49 (14580): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB) 2025-01-22 21:52:49 (14580): forwarding host port 61816 to guest port 80 2025-01-22 21:52:50 (14580): Enabling remote desktop for VM. 2025-01-22 21:52:50 (14580): Required extension pack not installed, remote desktop not enabled. 2025-01-22 21:52:50 (14580): Enabling shared directory for VM. 2025-01-22 21:52:50 (14580): Starting VM using VBoxManage interface. (boinc_c0255a3469e762a5, slot#1) 2025-01-22 21:52:51 (14580): Error in start VM for VM: 1 Command: VBoxManage -q startvm "boinc_c0255a3469e762a5" --type headless Output: VBoxManage.exe: error: The virtual machine 'boinc_c0255a3469e762a5' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\Logs\VBoxHardening.log' VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine Waiting for VM "boinc_c0255a3469e762a5" to power on... 2025-01-22 21:52:51 (14580): VM failed to start. 2025-01-22 21:52:51 (14580): Could not start 2025-01-22 21:52:51 (14580): ERROR: VM failed to start 2025-01-22 21:52:51 (14580): Powering off VM. 2025-01-22 21:52:51 (14580): Deregistering VM. (boinc_c0255a3469e762a5, slot#1) 2025-01-22 21:52:51 (14580): Removing network bandwidth throttle group from VM. 2025-01-22 21:52:51 (14580): Removing VM from VirtualBox. Hypervisor System Log: 00:00:06.599588 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 00:00:06.599807 Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:06.606350 Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:06.606852 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:06.609229 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:06.863170 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:06.869268 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.128842 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 00:00:07.129548 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.135449 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.135682 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 00:00:07.137614 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.140146 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.140662 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.142967 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.393768 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 00:00:07.395631 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 00:00:07.395823 Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:07.399292 Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:07.399646 Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:07.402727 Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:07.403202 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.405930 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.656785 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.662589 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:07.922179 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:07.928250 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:08.449550 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:08.452411 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:08.712656 ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={7682d5eb-f00e-44f1-8ca2-99d08b1cd607} aComponent={VirtualBoxWrap} aText={Ńo extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0 00:00:08.721742 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 00:00:08.721859 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 00:00:08.732095 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 00:00:08.980666 Launched VM: 2493779792 pid: 11340 (0x2c4c) frontend: headless name: boinc_c0255a3469e762a5 00:00:09.357060 Watcher ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The virtual machine 'boinc_c0255a3469e762a5' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\Logs\VBoxHardening.log'}, preserve=false aResultDetail=0 00:00:09.357526 Watcher Reaper: Pid 11340 (0x2c4c) exited normally: 1 (0x1) 00:00:09.418165 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 00:00:09.471725 Saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" with version "1.19-windows" 00:00:09.477603 Finished saving settings file "D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox" 00:00:09.725673 Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:09.731934 Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:09.732044 Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:09.734948 Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:09.735958 DeleteVM Saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:09.739662 DeleteVM Finished saving settings file "C:\Users\sanjin.DOMENA\.VirtualBox\VirtualBox.xml" 00:00:14.753895 main VirtualBox: object deletion starts 00:00:14.754712 main HostDnsMonitor: shutting down ... 00:00:14.754762 main HostDnsMonitor: shut down 00:00:14.756950 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 00:00:14.757210 main VirtualBox: object deleted VM Execution Log: VM Startup Log: VM Trace Log: 39 of file VBoxManageInfo.cpp 2025-01-22 21:52:43 (14580): Command: VBoxManage -q createvm --name "boinc_c0255a3469e762a5" --basefolder "D:\ProgramData\BOINC\slots\1" --ostype "Linux26_64" --register Exit Code: 0 Output: Virtual machine 'boinc_c0255a3469e762a5' is created and registered. UUID: 9001ef3c-0d73-4ee4-bdcf-26f8599c407e Settings file: 'D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\boinc_c0255a3469e762a5.vbox' 2025-01-22 21:52:43 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --description "CMS_1703071_1737577683.814613_0" Exit Code: 0 Output: 2025-01-22 21:52:43 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --memory 4584 Exit Code: 0 Output: 2025-01-22 21:52:44 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --cpus 4 Exit Code: 0 Output: 2025-01-22 21:52:44 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --acpi on --ioapic on --rtcuseutc off Exit Code: 0 Output: 2025-01-22 21:52:44 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --vram 16 --graphicscontroller VBoxVGA Exit Code: 0 Output: 2025-01-22 21:52:44 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --boot1 disk --boot2 dvd --boot3 none --boot4 none Exit Code: 0 Output: 2025-01-22 21:52:45 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --nic1 nat --natdnsproxy1 on --cableconnected1 off Exit Code: 0 Output: 2025-01-22 21:52:45 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --cableconnected1 on Exit Code: 0 Output: 2025-01-22 21:52:45 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --usb off Exit Code: 0 Output: 2025-01-22 21:52:45 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --uart1 off --uart2 off Exit Code: 0 Output: 2025-01-22 21:52:46 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --lpt1 off --lpt2 off Exit Code: 0 Output: 2025-01-22 21:52:46 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --audio-enabled off Exit Code: 0 Output: 2025-01-22 21:52:46 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --clipboard disabled Exit Code: 0 Output: 2025-01-22 21:52:47 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --draganddrop disabled Exit Code: 0 Output: 2025-01-22 21:52:47 (14580): Command: VBoxManage -q storagectl "boinc_c0255a3469e762a5" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3 Exit Code: 0 Output: 2025-01-22 21:52:47 (14580): Command: VBoxManage -q showhdinfo "D:\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: D:\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 2025-01-22 21:52:47 (14580): Command: VBoxManage -q storageattach "boinc_c0255a3469e762a5" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "D:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" Exit Code: -2135228409 Output: VBoxManage.exe: error: Cannot attach medium 'D:\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 785 of file VBoxManageStorageController.cpp 2025-01-22 21:52:48 (14580): Command: VBoxManage -q showhdinfo "D:\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: D:\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 2025-01-22 21:52:48 (14580): Command: VBoxManage -q closemedium disk "D:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_01_16_prod.vdi" Exit Code: 0 Output: 2025-01-22 21:52:48 (14580): Command: VBoxManage -q showhdinfo "D:\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: D:\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 2025-01-22 21:52:48 (14580): Command: VBoxManage -q storageattach "boinc_c0255a3469e762a5" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "D:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" Exit Code: 0 Output: 2025-01-22 21:52:49 (14580): Command: VBoxManage -q storageattach "boinc_c0255a3469e762a5" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none Exit Code: 0 Output: 2025-01-22 21:52:49 (14580): Command: VBoxManage -q storageattach "boinc_c0255a3469e762a5" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "D:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_01_16_prod.vdi" Exit Code: 0 Output: 2025-01-22 21:52:49 (14580): Command: VBoxManage -q storageattach "boinc_c0255a3469e762a5" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" Exit Code: 0 Output: 2025-01-22 21:52:49 (14580): Command: VBoxManage -q bandwidthctl "boinc_c0255a3469e762a5" add "boinc_c0255a3469e762a5_net" --type network --limit 1024G Exit Code: 0 Output: 2025-01-22 21:52:50 (14580): Command: VBoxManage -q modifyvm "boinc_c0255a3469e762a5" --natpf1 ",tcp,127.0.0.1,61816,,80" Exit Code: 0 Output: 2025-01-22 21:52:50 (14580): Command: VBoxManage -q list extpacks Exit Code: 0 Output: Extension Packs: 0 2025-01-22 21:52:50 (14580): Command: VBoxManage -q sharedfolder add "boinc_c0255a3469e762a5" --name "shared" --hostpath "D:\ProgramData\BOINC\slots\1/shared" Exit Code: 0 Output: 2025-01-22 21:52:51 (14580): Command: VBoxManage -q startvm "boinc_c0255a3469e762a5" --type headless Exit Code: 1 Output: VBoxManage.exe: error: The virtual machine 'boinc_c0255a3469e762a5' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'D:\ProgramData\BOINC\slots\1\boinc_c0255a3469e762a5\Logs\VBoxHardening.log' VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine Waiting for VM "boinc_c0255a3469e762a5" to power on... 2025-01-22 21:52:51 (14580): Command: VBoxManage -q snapshot "boinc_c0255a3469e762a5" list Exit Code: -108 Output: This machine does not have any snapshots 2025-01-22 21:52:51 (14580): Command: VBoxManage -q bandwidthctl "boinc_c0255a3469e762a5" remove "boinc_c0255a3469e762a5_net" Exit Code: 0 Output: 2025-01-22 21:52:51 (14580): Command: VBoxManage -q unregistervm "boinc_c0255a3469e762a5" --delete Exit Code: 0 Output: 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% 2025-01-22 21:52:57 (14580): called boinc_finish(1) </stderr_txt> ]]>
©2025 CERN