Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<message>
process exited with code 74 (0x4a, -182)</message>
<stderr_txt>
2026-05-05 07:52:26 (101944): vboxwrapper version 26210
2026-05-05 07:52:26 (101944): BOINC client version: 8.0.4
2026-05-05 07:52:26 (101944): Detected: VirtualBox VboxManage Interface (Version: 7.1.18)
2026-05-05 07:52:26 (101944): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-05-05 07:52:26 (101944): Successfully copied 'init_data.xml' to the shared directory.
2026-05-05 07:52:26 (101944): Successfully copied 'input' to the shared directory.
2026-05-05 07:52:26 (101944): Create VM. (boinc_4feac3951c91b43b, slot#4)
2026-05-05 07:52:26 (101944): Setting Memory Size for VM. (1024MB)
2026-05-05 07:52:26 (101944): Setting CPU Count for VM. (1)
2026-05-05 07:52:26 (101944): Setting Chipset Options for VM.
2026-05-05 07:52:26 (101944): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-05-05 07:52:27 (101944): Setting Boot Options for VM.
2026-05-05 07:52:27 (101944): Setting Network Configuration for NAT. (Driver: virtio)
2026-05-05 07:52:27 (101944): Enabling VM Network Access.
2026-05-05 07:52:27 (101944): Disabling USB Support for VM.
2026-05-05 07:52:27 (101944): Disabling COM Port Support for VM.
2026-05-05 07:52:27 (101944): Disabling LPT Port Support for VM.
2026-05-05 07:52:27 (101944): Disabling Audio Support for VM.
2026-05-05 07:52:27 (101944): Disabling Clipboard Support for VM.
2026-05-05 07:52:27 (101944): Disabling Drag and Drop Support for VM.
2026-05-05 07:52:27 (101944): Adding storage controller(s) to VM.
2026-05-05 07:52:27 (101944): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-05-05 07:52:59 (101944): Attempts: 21
2026-05-05 07:53:30 (101944): Could not remove parent disk '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi'.
2026-05-05 07:53:30 (101944): Could not remove child disk 'da093cef-cbb5-4847-a853-2722ada20bf8'.
2026-05-05 07:53:30 (101944): Could not create VM
2026-05-05 07:53:30 (101944): ERROR: VM failed to start
2026-05-05 07:53:30 (101944): Powering off VM.
2026-05-05 07:53:30 (101944): Deregistering VM. (boinc_4feac3951c91b43b, slot#4)
2026-05-05 07:53:30 (101944): Removing network bandwidth throttle group from VM.
2026-05-05 07:53:30 (101944): Removing VM from VirtualBox.

    Hypervisor System Log:

93:38:13.762020 DCon732  Platform architecture set to 'x86'
93:38:13.763697 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:13.764651 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:13.812640 DCon732  Platform architecture set to 'x86'
93:38:13.814113 DCon732  ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={&#197;&#131;o extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0
93:38:13.826964 DCon732  ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
93:38:13.828323 DCon732  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
93:38:13.874938 DCon732  Platform architecture set to 'x86'
93:38:13.877353 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:13.878214 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:13.924694 DCon732  Platform architecture set to 'x86'
93:38:13.926182 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:13.927040 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:13.973466 DCon732  Platform architecture set to 'x86'
93:38:13.974849 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:13.975691 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.022365 DCon732  Platform architecture set to 'x86'
93:38:14.024090 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.024951 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.069522 DCon732  Platform architecture set to 'x86'
93:38:14.071291 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.072166 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.118315 DCon732  Platform architecture set to 'x86'
93:38:14.119939 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.120804 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.166782 DCon732  Platform architecture set to 'x86'
93:38:14.168224 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.169076 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.215078 DCon732  Platform architecture set to 'x86'
93:38:14.216506 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.217373 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:14.262753 DCon732  Platform architecture set to 'x86'
93:38:14.264416 DCon732  Saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox" with version "1.19-linux"
93:38:14.265303 DCon732  Finished saving settings file "/var/lib/boinc-client/slots/8/boinc_a64c68807b9fe0d3/boinc_a64c68807b9fe0d3.vbox"
93:38:20.801680 DCon732  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
93:38:36.836931 DCon732  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
93:38:36.882829 DCon732  Platform architecture set to 'x86'
93:38:36.883779 DCon732  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
93:38:36.929465 DCon732  Platform architecture set to 'x86'
93:38:36.930466 DCon732  ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={48c7f4c0-c9d6-4742-957c-a6fd52e8c4ae} aComponent={BandwidthControlWrap} aText={Could not find a bandwidth group named 'boinc_4feac3951c91b43b_net'}, preserve=false aResultDetail=0
93:38:36.976968 DCon732  Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
93:38:36.977974 DCon732  Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
93:38:37.275712 DCon737  Platform architecture set to 'x86'
93:38:37.277474 DCon737  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
93:38:37.277900 DCon737  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
93:38:37.278050 DCon737  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={Cannot attach medium '/var/lib/boinc-client/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}, preserve=false aResultDetail=0
93:38:37.373568 DCon732  ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
93:38:37.417853 DCon732  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
93:38:38.453461 DCon732  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
93:38:40.489293 DCon732  ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

Exit Code: 0
Output:

2026-05-05 07:52:27 (101944): 
Command: VBoxManage -q modifyvm "boinc_4feac3951c91b43b" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-05-05 07:52:27 (101944): 
Command: VBoxManage -q modifyvm "boinc_4feac3951c91b43b" --audio-enabled off 
Exit Code: 0
Output:

2026-05-05 07:52:27 (101944): 
Command: VBoxManage -q modifyvm "boinc_4feac3951c91b43b" --clipboard disabled 
Exit Code: 0
Output:

2026-05-05 07:52:27 (101944): 
Command: VBoxManage -q modifyvm "boinc_4feac3951c91b43b" --draganddrop disabled 
Exit Code: 0
Output:

2026-05-05 07:52:27 (101944): 
Command: VBoxManage -q storagectl "boinc_4feac3951c91b43b" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-05-05 07:52:59 (101944): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/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:          locked read
Type:           multiattach
Location:       /var/lib/boinc-client/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
Child UUIDs:    da093cef-cbb5-4847-a853-2722ada20bf8
                70bb1cd9-fc85-4eef-9f50-2a8dd11af364

2026-05-05 07:52:59 (101944): 
Command: VBoxManage -q storageattach "boinc_4feac3951c91b43b" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/var/lib/boinc-client/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

2026-05-05 07:52:59 (101944): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/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:          locked read
Type:           multiattach
Location:       /var/lib/boinc-client/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
Child UUIDs:    da093cef-cbb5-4847-a853-2722ada20bf8
                70bb1cd9-fc85-4eef-9f50-2a8dd11af364

2026-05-05 07:52:59 (101944): 
Command: VBoxManage -q showhdinfo "da093cef-cbb5-4847-a853-2722ada20bf8" 
Exit Code: 0
Output:
UUID:           da093cef-cbb5-4847-a853-2722ada20bf8
Parent UUID:    045b03b5-74fd-4f58-8f68-0eee86fe796d
State:          locked write
Type:           normal (differencing)
Auto-Reset:     off
Location:       /var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi
Storage format: VDI
Format variant: differencing default
Capacity:       10240 MBytes
Size on disk:   705 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
In use by VMs:  boinc_1f81583ecd0be81b (UUID: 3ad1c2ae-1979-4731-a609-d40c876261f2)

2026-05-05 07:52:59 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:00 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:02 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:06 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:14 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:30 (101944): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/7/boinc_1f81583ecd0be81b/Snapshots/{da093cef-cbb5-4847-a853-2722ada20bf8}.vdi' is locked for writing by another task
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1875 of file VBoxManageDisk.cpp

2026-05-05 07:53:30 (101944): 
Command: VBoxManage -q snapshot "boinc_4feac3951c91b43b" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-05-05 07:53:30 (101944): 
Command: VBoxManage -q bandwidthctl "boinc_4feac3951c91b43b" remove "boinc_4feac3951c91b43b_net" 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a bandwidth group named 'boinc_4feac3951c91b43b_net'
VBoxManage: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component BandwidthControlWrap, interface IBandwidthControl, callee nsISupports
VBoxManage: error: Context: "DeleteBandwidthGroup(name.raw())" at line 273 of file VBoxManageBandwidthControl.cpp

2026-05-05 07:53:30 (101944): 
Command: VBoxManage -q unregistervm "boinc_4feac3951c91b43b" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-05-05 07:53:35 (101944): called boinc_finish(-182)

</stderr_txt>
]]>

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