Name | Theory_2848-4499685-378_0 |
Workunit | 231374781 |
Created | 4 Apr 2025, 15:01:16 UTC |
Sent | 4 Apr 2025, 18:02:12 UTC |
Report deadline | 15 Apr 2025, 18:02:12 UTC |
Received | 4 Apr 2025, 20:26:00 UTC |
Server state | Over |
Outcome | Computation error |
Client state | Compute error |
Exit status | -2147467259 (0x80004005) Unknown error code |
Computer ID | 10804705 |
Run time | 21 sec |
CPU time | |
Validate state | Invalid |
Credit | 0.00 |
Device peak FLOPS | 3.81 GFLOPS |
Application version | Theory Simulation v300.94 (vbox64_theory) windows_x86_64 |
Peak working set size | 11.36 MB |
Peak swap size | 6.40 MB |
Peak disk usage | 1.44 MB |
<core_client_version>8.0.2</core_client_version> <![CDATA[ <message> Unspecified error (0x80004005) - exit code 2147500037 (0x80004005)</message> <stderr_txt> 2025-04-04 14:04:29 (17932): vboxwrapper version 26210 2025-04-04 14:04:29 (17932): BOINC client version: 8.0.2 2025-04-04 14:04:29 (17932): Detected: VirtualBox VboxManage Interface (Version: 7.1.4) 2025-04-04 14:04:30 (17932): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds) 2025-04-04 14:04:30 (17932): Successfully copied 'init_data.xml' to the shared directory. 2025-04-04 14:04:30 (17932): Successfully copied 'input' to the shared directory. 2025-04-04 14:04:30 (17932): Create VM. (boinc_f84476a670fdd22c, slot#7) 2025-04-04 14:04:31 (17932): Setting Memory Size for VM. (630MB) 2025-04-04 14:04:31 (17932): Setting CPU Count for VM. (1) 2025-04-04 14:04:31 (17932): Setting Chipset Options for VM. 2025-04-04 14:04:31 (17932): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB) 2025-04-04 14:04:32 (17932): Setting Boot Options for VM. 2025-04-04 14:04:32 (17932): Setting Network Configuration for NAT. (Driver: virtio) 2025-04-04 14:04:32 (17932): Enabling VM Network Access. 2025-04-04 14:04:33 (17932): Disabling USB Support for VM. 2025-04-04 14:04:33 (17932): Disabling COM Port Support for VM. 2025-04-04 14:04:33 (17932): Disabling LPT Port Support for VM. 2025-04-04 14:04:33 (17932): Disabling Audio Support for VM. 2025-04-04 14:04:34 (17932): Disabling Clipboard Support for VM. 2025-04-04 14:04:34 (17932): Disabling Drag and Drop Support for VM. 2025-04-04 14:04:34 (17932): Adding storage controller(s) to VM. 2025-04-04 14:04:35 (17932): Adding virtual disk drive to VM. (Theory_2025_04_03_prod.vdi) 2025-04-04 14:04:37 (17932): Adding VirtualBox Guest Additions to VM. 2025-04-04 14:04:37 (17932): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB) 2025-04-04 14:04:37 (17932): forwarding host port 51700 to guest port 80 2025-04-04 14:04:37 (17932): Enabling remote desktop for VM. 2025-04-04 14:04:38 (17932): Required extension pack not installed, remote desktop not enabled. 2025-04-04 14:04:38 (17932): Enabling shared directory for VM. 2025-04-04 14:04:38 (17932): Starting VM using VBoxManage interface. (boinc_f84476a670fdd22c, slot#7) 2025-04-04 14:04:43 (17932): Error in start VM for VM: -2147467259 Command: VBoxManage -q startvm "boinc_f84476a670fdd22c" --type headless Output: VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE). VBoxManage.exe: error: VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED) VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole Waiting for VM "boinc_f84476a670fdd22c" to power on... 2025-04-04 14:04:43 (17932): VM failed to start. 2025-04-04 14:04:43 (17932): Could not start 2025-04-04 14:04:43 (17932): ERROR: VM failed to start 2025-04-04 14:04:43 (17932): Powering off VM. 2025-04-04 14:04:43 (17932): Deregistering VM. (boinc_f84476a670fdd22c, slot#7) 2025-04-04 14:04:43 (17932): Removing network bandwidth throttle group from VM. 2025-04-04 14:04:43 (17932): Removing VM from VirtualBox. Hypervisor System Log: 00:00:45.163786 Platform architecture set to 'x86' 00:00:45.166476 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 00:00:45.167028 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 00:00:45.167257 Saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:45.170829 Finished saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" 00:00:45.171408 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.174455 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:45.428903 Platform architecture set to 'x86' 00:00:45.431840 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.435613 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:45.689054 Platform architecture set to 'x86' 00:00:45.691556 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 00:00:45.692384 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.695821 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:45.696000 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 00:00:45.698287 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.701306 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:45.701919 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.705111 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:45.959581 Platform architecture set to 'x86' 00:00:45.962032 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 00:00:45.962668 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 00:00:45.963457 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:45.966773 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:46.226546 Platform architecture set to 'x86' 00:00:46.228537 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:46.232594 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:46.492667 Platform architecture set to 'x86' 00:00:46.495827 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:46.499633 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:47.023122 Platform architecture set to 'x86' 00:00:47.024843 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:47.028230 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:47.283542 Platform architecture set to 'x86' 00:00:47.285965 ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={Ńo extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0 00:00:47.294326 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 00:00:47.294590 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 00:00:47.303664 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0 00:00:47.304965 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0 00:00:47.562362 Launched VM: 2775782992 pid: 17264 (0x4370) frontend: headless name: boinc_f84476a670fdd22c 00:00:51.590744 Platform architecture set to 'x86' 00:00:52.327237 Saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" with version "1.19-windows" 00:00:52.330814 Finished saving settings file "C:\ProgramData\BOINC\slots\7\boinc_f84476a670fdd22c\boinc_f84476a670fdd22c.vbox" 00:00:52.425664 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0 00:00:52.781127 Saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:52.785033 Finished saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" 00:00:52.785164 Saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:52.788277 Finished saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" 00:00:52.789355 DeleteVM Saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" with version "1.12-windows" 00:00:52.792562 DeleteVM Finished saving settings file "C:\Users\Raymond Laning\.VirtualBox\VirtualBox.xml" 00:00:57.800893 main VirtualBox: object deletion starts 00:00:57.802344 main HostDnsMonitor: shutting down ... 00:00:57.802373 main HostDnsMonitor: shut down 00:00:57.803829 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 00:00:57.804222 main VirtualBox: object deleted VM Execution Log: VM Startup Log: VM Trace Log: cing-config="" autostart-enabled="off" autostart-delay=0 defaultfrontend="" vmprocpriority="default" natnet1="nat" macaddress1="080027D2CFA5" cableconnected1="on" nic1="nat" nictype1="82540EM" nicspeed1="0" mtu="0" sockSnd="64" sockRcv="64" tcpWndSnd="64" tcpWndRcv="64" nic2="none" nic3="none" nic4="none" nic5="none" nic6="none" nic7="none" nic8="none" hidpointing="ps2mouse" hidkeyboard="ps2kbd" uart1="off" uart2="off" uart3="off" uart4="off" lpt1="off" lpt2="off" audio="default" audio_out="off" audio_in="off" clipboard="disabled" clipboard_file_transfers="off" draganddrop="disabled" vrde="off" usb="off" ehci="off" xhci="off" recording_started="off" recording_enabled="off" recording_screens=1 rec_screen0 rec_screen_enabled="on" rec_screen_id=0 rec_screen_video_enabled="on" rec_screen_audio_enabled="off" rec_screen_dest="File" rec_screen_dest_filename="C:\\ProgramData\\BOINC\\slots\\7\\boinc_f84476a670fdd22c\\boinc_f84476a670fdd22c-screen0.webm" rec_screen_opts="vc_enabled=true,ac_enabled=false,ac_profile=med" rec_screen_video_res_xy="1024x768" rec_screen_video_rate_kbps=512 rec_screen_video_fps=25 description="Theory_2848-4499685-378_0" GuestMemoryBalloon=0 2025-04-04 14:04:32 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on Exit Code: 0 Output: 2025-04-04 14:04:33 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --cable-connected1 on Exit Code: 0 Output: 2025-04-04 14:04:33 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --usb off Exit Code: 0 Output: 2025-04-04 14:04:33 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --uart1 off --uart2 off Exit Code: 0 Output: 2025-04-04 14:04:33 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --lpt1 off --lpt2 off Exit Code: 0 Output: 2025-04-04 14:04:34 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --audio-enabled off Exit Code: 0 Output: 2025-04-04 14:04:34 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --clipboard disabled Exit Code: 0 Output: 2025-04-04 14:04:34 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --draganddrop disabled Exit Code: 0 Output: 2025-04-04 14:04:35 (17932): Command: VBoxManage -q storagectl "boinc_f84476a670fdd22c" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3 Exit Code: 0 Output: 2025-04-04 14:04:35 (17932): Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: UUID: 1e3cee35-4ed8-40c2-9108-b352bcb83c50 Parent UUID: base State: created Type: multiattach Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi Storage format: VDI Format variant: dynamic default Capacity: 10240 MBytes Size on disk: 2429 MBytes Encryption: disabled Property: AllocationBlockSize=1048576 2025-04-04 14:04:35 (17932): Command: VBoxManage -q storageattach "boinc_f84476a670fdd22c" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: -2135228409 Output: VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_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 2025-04-04 14:04:35 (17932): Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: UUID: 1e3cee35-4ed8-40c2-9108-b352bcb83c50 Parent UUID: base State: created Type: multiattach Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi Storage format: VDI Format variant: dynamic default Capacity: 10240 MBytes Size on disk: 2429 MBytes Encryption: disabled Property: AllocationBlockSize=1048576 2025-04-04 14:04:36 (17932): Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: 2025-04-04 14:04:36 (17932): Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: UUID: 1e3cee35-4ed8-40c2-9108-b352bcb83c50 Parent UUID: base State: created Type: normal (base) Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi Storage format: VDI Format variant: dynamic default Capacity: 10240 MBytes Size on disk: 2429 MBytes Encryption: disabled Property: AllocationBlockSize=1048576 2025-04-04 14:04:36 (17932): Command: VBoxManage -q storageattach "boinc_f84476a670fdd22c" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: 2025-04-04 14:04:36 (17932): Command: VBoxManage -q storageattach "boinc_f84476a670fdd22c" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none Exit Code: 0 Output: 2025-04-04 14:04:37 (17932): Command: VBoxManage -q storageattach "boinc_f84476a670fdd22c" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" Exit Code: 0 Output: 2025-04-04 14:04:37 (17932): Command: VBoxManage -q storageattach "boinc_f84476a670fdd22c" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" Exit Code: 0 Output: 2025-04-04 14:04:37 (17932): Command: VBoxManage -q bandwidthctl "boinc_f84476a670fdd22c" add "boinc_f84476a670fdd22c_net" --type network --limit 1024G Exit Code: 0 Output: 2025-04-04 14:04:37 (17932): Command: VBoxManage -q modifyvm "boinc_f84476a670fdd22c" --natpf1 ",tcp,127.0.0.1,51700,,80" Exit Code: 0 Output: 2025-04-04 14:04:38 (17932): Command: VBoxManage -q list extpacks Exit Code: 0 Output: Extension Packs: 0 2025-04-04 14:04:38 (17932): Command: VBoxManage -q sharedfolder add "boinc_f84476a670fdd22c" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\7/shared" Exit Code: 0 Output: 2025-04-04 14:04:43 (17932): Command: VBoxManage -q startvm "boinc_f84476a670fdd22c" --type headless Exit Code: -2147467259 Output: VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE). VBoxManage.exe: error: VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED) VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole Waiting for VM "boinc_f84476a670fdd22c" to power on... 2025-04-04 14:04:43 (17932): Command: VBoxManage -q snapshot "boinc_f84476a670fdd22c" list Exit Code: -108 Output: This machine does not have any snapshots 2025-04-04 14:04:43 (17932): Command: VBoxManage -q bandwidthctl "boinc_f84476a670fdd22c" remove "boinc_f84476a670fdd22c_net" Exit Code: 0 Output: VBoxManage.exe: error: Bandwidth groups cannot be deleted while the VM is running 2025-04-04 14:04:44 (17932): Command: VBoxManage -q unregistervm "boinc_f84476a670fdd22c" --delete Exit Code: 0 Output: 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% 2025-04-04 14:04:49 (17932): called boinc_finish(-2147467259) </stderr_txt> ]]>
©2025 CERN