Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<message>
process exited with code 5 (0x5, -251)</message>
<stderr_txt>
2026-03-30 16:00:11 (661535): vboxwrapper version 26210
2026-03-30 16:00:11 (661535): BOINC client version: 8.0.4
2026-03-30 16:00:11 (661535): Detected: VirtualBox VboxManage Interface (Version: 7.2.6)
2026-03-30 16:00:11 (661535): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2026-03-30 16:00:11 (661535): Successfully copied 'init_data.xml' to the shared directory.
2026-03-30 16:00:11 (661535): Create VM. (boinc_9405444585825b9d, slot#4)
2026-03-30 16:00:12 (661535): Setting Memory Size for VM. (4584MB)
2026-03-30 16:00:12 (661535): Setting CPU Count for VM. (4)
2026-03-30 16:00:12 (661535): Setting Chipset Options for VM.
2026-03-30 16:00:12 (661535): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-03-30 16:00:12 (661535): Setting Boot Options for VM.
2026-03-30 16:00:12 (661535): Setting Network Configuration for NAT. (Driver: virtio)
2026-03-30 16:00:12 (661535): Enabling VM Network Access.
2026-03-30 16:00:12 (661535): Disabling USB Support for VM.
2026-03-30 16:00:12 (661535): Disabling COM Port Support for VM.
2026-03-30 16:00:13 (661535): Disabling LPT Port Support for VM.
2026-03-30 16:00:13 (661535): Disabling Audio Support for VM.
2026-03-30 16:00:13 (661535): Disabling Clipboard Support for VM.
2026-03-30 16:00:13 (661535): Disabling Drag and Drop Support for VM.
2026-03-30 16:00:13 (661535): Adding storage controller(s) to VM.
2026-03-30 16:00:13 (661535): Adding virtual disk drive to VM. (CMS_2025_04_08_prod.vdi)
2026-03-30 16:00:14 (661535): Adding VirtualBox Guest Additions to VM.
2026-03-30 16:00:14 (661535): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-03-30 16:00:14 (661535): forwarding host port 56493 to guest port 80
2026-03-30 16:00:14 (661535): Enabling remote desktop for VM.
2026-03-30 16:00:15 (661535): Enabling shared directory for VM.
2026-03-30 16:00:15 (661535): Starting VM using VBoxManage interface. (boinc_9405444585825b9d, slot#4)
2026-03-30 16:00:15 (661535): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_9405444585825b9d" --type headless
Output:
VBoxManage: error: VT-x is being used by another hypervisor (VERR_VMX_IN_VMX_ROOT_MODE).
VBoxManage: error: VirtualBox can't operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_VMX_IN_VMX_ROOT_MODE)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_9405444585825b9d" to power on...

2026-03-30 16:00:15 (661535): VM failed to start.
2026-03-30 16:00:15 (661535): Could not start 
2026-03-30 16:00:15 (661535): ERROR: VM failed to start
2026-03-30 16:00:15 (661535): Powering off VM.
2026-03-30 16:00:15 (661535): Deregistering VM. (boinc_9405444585825b9d, slot#4)
2026-03-30 16:00:16 (661535): Removing network bandwidth throttle group from VM.
2026-03-30 16:00:16 (661535): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:02.487110 DCon02   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:02.563557 DCon06   Platform architecture set to 'x86'
00:00:02.567619 DCon02   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:02.612671 DCon02   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:02.687270 DCon02   Platform architecture set to 'x86'
00:00:02.690639 DCon02   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
00:00:02.691560 DCon02   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:02.738717 DCon02   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:02.739313 DCon02   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
00:00:02.740625 DCon02   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:02.789144 DCon02   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:02.790125 DCon02   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:02.831055 DCon02   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:02.906189 DCon06   Platform architecture set to 'x86'
00:00:02.910035 DCon06   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
00:00:02.911106 DCon06   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
00:00:02.911490 DCon06   Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:02.948199 DCon06   Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
00:00:02.948787 DCon06   Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:02.990269 DCon06   Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
00:00:02.991187 DCon06   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:03.082522 DCon06   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:03.156894 DCon06   Platform architecture set to 'x86'
00:00:03.158852 DCon06   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:03.199769 DCon06   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:03.275783 DCon06   Platform architecture set to 'x86'
00:00:03.277802 DCon06   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:03.316887 DCon06   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:03.454699 DCon06   Platform architecture set to 'x86'
00:00:03.456415 DCon06   VRDE: Generating certificate files '/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/VRDEAutoGeneratedCert.pem' and '/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/VRDEAutoGeneratedPrivateKey.pem'...
00:00:03.524077 DCon06   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:03.567196 DCon06   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:03.636336 DCon06   Platform architecture set to 'x86'
00:00:03.639563 DCon06   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:03.684304 DCon06   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:03.760749 DCon06   Platform architecture set to 'x86'
00:00:03.763899 DCon02   ERROR [COM]: aRC=VBOX_E_NOT_SUPPORTED (0x80bb0009) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This VM is not encrypted}, preserve=false aResultDetail=0
00:00:03.779148 DCon02   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
00:00:03.779495 DCon02   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
00:00:03.791711 DCon02   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={83cfdc66-4f20-4569-ad39-8722f7d472b3} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:03.792892 DCon02   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
00:00:03.831332 DCon06   Launched VM: 805365600 pid: 662174 (0xa1a9e) frontend: headless name: boinc_9405444585825b9d
00:00:03.849330 DCon03   Platform architecture set to 'x86'
00:00:04.279450 DCon03   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:04.318338 DCon03   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:04.366156 DCon03   Platform architecture set to 'x86'
00:00:04.367064 DCon03   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
00:00:04.405730 DCon06   Platform architecture set to 'x86'
00:00:04.407120 DCon03   Saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox" with version "1.19-linux"
00:00:04.451984 DCon03   Finished saving settings file "/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d.vbox"
00:00:04.530067 DCon03   Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:04.569075 DCon03   Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
00:00:04.569172 DCon03   Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:04.611027 DCon03   Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
00:00:04.612275 DeleteVM Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:04.694792 DeleteVM Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

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="/var/lib/boinc-client/slots/4/boinc_9405444585825b9d/boinc_9405444585825b9d-screen0.webm"
rec_screen_opts="ac_profile=med"
rec_screen_video_res_xy="1024x768"
rec_screen_video_rate_kbps=512
rec_screen_video_fps=25
description="CMS_1338445_1774866920.531776_0"
GuestMemoryBalloon=0

2026-03-30 16:00:12 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2026-03-30 16:00:12 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --cable-connected1 on 
Exit Code: 0
Output:

2026-03-30 16:00:12 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --usb off 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --audio-enabled off 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --clipboard disabled 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --draganddrop disabled 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q storagectl "boinc_9405444585825b9d" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:
UUID:           fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q storageattach "boinc_9405444585825b9d" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_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

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:
UUID:           fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:

2026-03-30 16:00:13 (661535): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:
UUID:           fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       /var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q storageattach "boinc_9405444585825b9d" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q storageattach "boinc_9405444585825b9d" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q storageattach "boinc_9405444585825b9d" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q storageattach "boinc_9405444585825b9d" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "/usr/share/virtualbox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q bandwidthctl "boinc_9405444585825b9d" add "boinc_9405444585825b9d_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-03-30 16:00:14 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --natpf1 ",tcp,127.0.0.1,56493,,80" 
Exit Code: 0
Output:

2026-03-30 16:00:15 (661535): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VM VirtualBox Extension Pack
Version:        7.0.26
Revision:       168464
Edition:        
Description:    Oracle Cloud Infrastructure integration, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe, full VM encryption.
VRDE Module:    VBoxVRDP
Crypto Module:  VBoxPuelCrypto
Usable:         false
Why unusable:   Failed to load the main module ('/usr/lib/virtualbox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/linux.amd64/VBoxPuelMain.so'): VERR_FILE_NOT_FOUND - /usr/lib/virtualbox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/linux.amd64/VBoxPuelMain.so: undefined symbol: _ZNK9RTCString10startsWithERKS_NS_15CaseSensitivityE

2026-03-30 16:00:15 (661535): 
Command: VBoxManage -q modifyvm "boinc_9405444585825b9d" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 38513 --vrde-property "Security/Method=RDP" 
Exit Code: 0
Output:

2026-03-30 16:00:15 (661535): 
Command: VBoxManage -q sharedfolder add "boinc_9405444585825b9d" --name "shared" --hostpath "/var/lib/boinc-client/slots/4/shared"
Exit Code: 0
Output:

2026-03-30 16:00:15 (661535): 
Command: VBoxManage -q startvm "boinc_9405444585825b9d" --type headless
Exit Code: -2147467259
Output:
VBoxManage: error: VT-x is being used by another hypervisor (VERR_VMX_IN_VMX_ROOT_MODE).
VBoxManage: error: VirtualBox can't operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_VMX_IN_VMX_ROOT_MODE)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_9405444585825b9d" to power on...

2026-03-30 16:00:16 (661535): 
Command: VBoxManage -q snapshot "boinc_9405444585825b9d" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-03-30 16:00:16 (661535): 
Command: VBoxManage -q bandwidthctl "boinc_9405444585825b9d" remove "boinc_9405444585825b9d_net" 
Exit Code: 0
Output:

2026-03-30 16:00:16 (661535): 
Command: VBoxManage -q unregistervm "boinc_9405444585825b9d" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-03-30 16:00:21 (661535): called boinc_finish(-2147467259)

</stderr_txt>
]]>

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