Stderr output

<core_client_version>8.2.4</core_client_version>
<![CDATA[
<message>
process exited with code 4 (0x4, -252)</message>
<stderr_txt>
2026-03-07 12:08:38 (514433): vboxwrapper version 26210
2026-03-07 12:08:38 (514433): BOINC client version: 8.2.4
2026-03-07 12:08:39 (514433): Detected: VirtualBox VboxManage Interface (Version: 7.2.6)
2026-03-07 12:08:49 (514433): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-03-07 12:08:49 (514433): Successfully copied 'init_data.xml' to the shared directory.
2026-03-07 12:08:49 (514433): Successfully copied 'input' to the shared directory.
2026-03-07 12:08:49 (514433): Create VM. (boinc_6aa92c40df8cc978, slot#0)
2026-03-07 12:08:49 (514433): Setting Memory Size for VM. (1024MB)
2026-03-07 12:08:49 (514433): Setting CPU Count for VM. (1)
2026-03-07 12:08:49 (514433): Setting Chipset Options for VM.
2026-03-07 12:08:49 (514433): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-03-07 12:08:49 (514433): Setting Boot Options for VM.
2026-03-07 12:08:49 (514433): Setting Network Configuration for NAT. (Driver: virtio)
2026-03-07 12:08:49 (514433): Enabling VM Network Access.
2026-03-07 12:08:49 (514433): Disabling USB Support for VM.
2026-03-07 12:08:50 (514433): Disabling COM Port Support for VM.
2026-03-07 12:08:50 (514433): Disabling LPT Port Support for VM.
2026-03-07 12:08:50 (514433): Disabling Audio Support for VM.
2026-03-07 12:08:50 (514433): Disabling Clipboard Support for VM.
2026-03-07 12:08:50 (514433): Disabling Drag and Drop Support for VM.
2026-03-07 12:08:50 (514433): Adding storage controller(s) to VM.
2026-03-07 12:08:50 (514433): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-03-07 12:08:51 (514433): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-03-07 12:08:51 (514433): forwarding host port 36777 to guest port 80
2026-03-07 12:08:51 (514433): Enabling remote desktop for VM.
2026-03-07 12:08:51 (514433): Required extension pack not installed, remote desktop not enabled.
2026-03-07 12:08:51 (514433): Enabling shared directory for VM.
2026-03-07 12:08:51 (514433): Starting VM using VBoxManage interface. (boinc_6aa92c40df8cc978, slot#0)
2026-03-07 12:08:51 (514433): Error in start VM for VM: -2147467260
Command:
VBoxManage -q startvm "boinc_6aa92c40df8cc978" --type headless
Output:
VBoxManage: error: No error info
VBoxManage: error: Details: code NS_ERROR_ABORT (0x80004004), component ProgressProxy, interface IProgress
Waiting for VM "boinc_6aa92c40df8cc978" to power on...

2026-03-07 12:08:51 (514433): VM failed to start.
2026-03-07 12:08:51 (514433): Could not start 
2026-03-07 12:08:51 (514433): ERROR: VM failed to start
2026-03-07 12:08:51 (514433): Powering off VM.
2026-03-07 12:08:51 (514433): Deregistering VM. (boinc_6aa92c40df8cc978, slot#0)
2026-03-07 12:08:51 (514433): Removing network bandwidth throttle group from VM.
2026-03-07 12:08:51 (514433): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:02.748687 DCon04   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
00:00:02.749229 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749243 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749247 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749251 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749254 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749259 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749277 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.749281 DCon04   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783194 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783252 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783258 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783263 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783268 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783272 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783276 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783280 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.783815 DCon02   Platform architecture set to 'x86'
00:00:02.785058 DCon02   Saving settings file "/var/lib/boinc/slots/0/boinc_6aa92c40df8cc978/boinc_6aa92c40df8cc978.vbox" with version "1.19-linux"
00:00:02.833637 DCon02   Finished saving settings file "/var/lib/boinc/slots/0/boinc_6aa92c40df8cc978/boinc_6aa92c40df8cc978.vbox"
00:00:02.870821 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870871 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870878 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870883 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870887 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870891 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870896 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.870900 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871088 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871096 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871099 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871102 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871106 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871109 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871112 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871115 DCon02   ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:02.871253 DCon02   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:02.922927 DCon02   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:02.923092 DCon02   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:02.971792 DCon02   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:02.972827 DeleteVM Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:03.019451 DeleteVM Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

      | IO-baseIRQ] [--uart-modeN= disconnected | server pipe | client pipe |
      tcpserver port | tcpclient hostname:port | file filename | device-name]
      [--uart-typeN= 16450 | 16550A | 16750] [--lpt-modeN=device-name] [--lptN=
      off | IO-baseIRQ] [--audio-controller= ac97 | hda | sb16] [--audio-codec=
      stac9700 | ad1980 | stac9221 | sb16] [--audio-driver= none | default |
      null | dsound | was | oss | alsa | pulse | coreaudio] [--audio-enabled=
      on | off] [--audio-in= on | off] [--audio-out= on | off]
      [--clipboard-mode= disabled | hosttoguest | guesttohost | bidirectional]
      [--clipboard-file-transfers= enabled | disabled] [--drag-and-drop=
      disabled | hosttoguest | guesttohost | bidirectional]
      [--monitor-count=number] [--usb-ehci= on | off] [--usb-ohci= on | off]
      [--usb-xhci= on | off] [--usb-rename=old-namenew-name]

  VBoxManage modifyvm <uuid | vmname> [--recording= on | off]
      [--recording-screens= all | none | screen-ID[,screen-ID...]]
      [--recording-file=filename] [--recording-max-size=MB]
      [--recording-max-time=seconds] [--recording-opts= 
      key=value[,key=value...]] [--recording-video-fps=fps]
      [--recording-video-rate=rate] [--recording-video-res=width x height]

  VBoxManage modifyvm <uuid | vmname> [--vrde= on | off]
      [--vrde-property=property-name= [property-value]] [--vrde-extpack=
      default | name] [--vrde-port=port] [--vrde-address=hostip]
      [--vrde-auth-type= null | external | guest] [--vrde-auth-library= default
      | name] [--vrde-multi-con= on | off] [--vrde-reuse-con= on | off]
      [--vrde-video-channel= on | off] [--vrde-video-channel-quality=percent]

  VBoxManage modifyvm <uuid | vmname> [--teleporter= on | off]
      [--teleporter-port=port] [--teleporter-address= address | empty]
      [--teleporter-password=password] [--teleporter-password-file= filename |
      stdin] [--cpuid-portability-level=level] [--cpuid-set=leaf
      [:subleaf]eax&#194;&#160;ebx&#194;&#160;ecx&#194;&#160;edx] [--cpuid-remove=leaf [:subleaf]]
      [--cpuid-remove-all]

  VBoxManage modifyvm <uuid | vmname> [--tracing-enabled= on | off]
      [--tracing-config=string] [--tracing-allow-vm-access= on | off]

  VBoxManage modifyvm <uuid | vmname> [--usb-card-reader= on | off]

  VBoxManage modifyvm <uuid | vmname> [--autostart-enabled= on | off]
      [--autostart-delay=seconds]

  VBoxManage modifyvm <uuid | vmname> [--guest-debug-provider= none | native |
      gdb | kd] [--guest-debug-io-provider= none | tcp | udp | ipc]
      [--guest-debug-address= IP-Address | path] [--guest-debug-port=port]

  VBoxManage modifyvm <uuid | vmname> [--pci-attach=host-PCI-address
      [@guest-PCI-bus-address]] [--pci-detach=host-PCI-address]

  VBoxManage modifyvm <uuid | vmname> [--testing-enabled= on | off]
      [--testing-mmio= on | off] [--testing-cfg-dwordidx=value]

VBoxManage: error: Unknown option: --clipboard

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q modifyvm "boinc_6aa92c40df8cc978" --draganddrop disabled 
Exit Code: 0
Output:

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q storagectl "boinc_6aa92c40df8cc978" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q storageattach "boinc_6aa92c40df8cc978" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_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 782 of file VBoxManageStorageController.cpp

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       /var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q storageattach "boinc_6aa92c40df8cc978" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-03-07 12:08:50 (514433): 
Command: VBoxManage -q storageattach "boinc_6aa92c40df8cc978" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q storageattach "boinc_6aa92c40df8cc978" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q bandwidthctl "boinc_6aa92c40df8cc978" add "boinc_6aa92c40df8cc978_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q modifyvm "boinc_6aa92c40df8cc978" --natpf1 ",tcp,127.0.0.1,36777,,80" 
Exit Code: 0
Output:

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q sharedfolder add "boinc_6aa92c40df8cc978" --name "shared" --hostpath "/var/lib/boinc/slots/0/shared"
Exit Code: 0
Output:

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q startvm "boinc_6aa92c40df8cc978" --type headless
Exit Code: -2147467260
Output:
VBoxManage: error: No error info
VBoxManage: error: Details: code NS_ERROR_ABORT (0x80004004), component ProgressProxy, interface IProgress
Waiting for VM "boinc_6aa92c40df8cc978" to power on...

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q snapshot "boinc_6aa92c40df8cc978" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-03-07 12:08:51 (514433): 
Command: VBoxManage -q bandwidthctl "boinc_6aa92c40df8cc978" remove "boinc_6aa92c40df8cc978_net" 
Exit Code: 0
Output:

2026-03-07 12:08:52 (514433): 
Command: VBoxManage -q unregistervm "boinc_6aa92c40df8cc978" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-03-07 12:08:57 (514433): called boinc_finish(-2147467260)

</stderr_txt>
]]>

©2026 CERN