Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
(unknown error) (317) - exit code 4294967114 (0xffffff4a)</message>
<stderr_txt>
2026-02-04 09:53:54 (9576): vboxwrapper version 26210
2026-02-04 09:53:54 (9576): BOINC client version: 8.2.8
2026-02-04 09:53:54 (9576): Detected: VirtualBox VboxManage Interface (Version: 7.2.6)
2026-02-04 09:53:54 (9576): Successfully copied 'init_data.xml' to the shared directory.
2026-02-04 09:53:55 (9576): Create VM. (boinc_91dd6a6724b46410, slot#2)
2026-02-04 09:53:55 (9576): Setting Memory Size for VM. (4800MB)
2026-02-04 09:53:55 (9576): Setting CPU Count for VM. (8)
2026-02-04 09:53:56 (9576): Setting Chipset Options for VM.
2026-02-04 09:53:56 (9576): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-02-04 09:53:56 (9576): Setting Boot Options for VM.
2026-02-04 09:53:57 (9576): Setting Network Configuration for NAT. (Driver: virtio)
2026-02-04 09:53:57 (9576): Enabling VM Network Access.
2026-02-04 09:53:57 (9576): Disabling USB Support for VM.
2026-02-04 09:53:57 (9576): Disabling COM Port Support for VM.
2026-02-04 09:53:58 (9576): Disabling LPT Port Support for VM.
2026-02-04 09:53:58 (9576): Disabling Audio Support for VM.
2026-02-04 09:53:58 (9576): Disabling Clipboard Support for VM.
2026-02-04 09:53:58 (9576): Disabling Drag and Drop Support for VM.
2026-02-04 09:53:59 (9576): Adding storage controller(s) to VM.
2026-02-04 09:53:59 (9576): Adding virtual disk drive to VM. (ATLAS_vbox_3.03_image.vdi)
2026-02-04 09:54:32 (9576): Could not remove parent disk 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi'.
2026-02-04 09:54:32 (9576): Could not remove child disk '7899bda9-bb78-4cf4-a428-a8761a678a0d'.
2026-02-04 09:54:32 (9576): Could not create VM
2026-02-04 09:54:32 (9576): ERROR: VM failed to start
2026-02-04 09:54:32 (9576): Powering off VM.
2026-02-04 09:54:32 (9576): Deregistering VM. (boinc_91dd6a6724b46410, slot#2)
2026-02-04 09:54:32 (9576): Removing network bandwidth throttle group from VM.
2026-02-04 09:54:33 (9576): Removing VM from VirtualBox.

    Hypervisor System Log:

00:01:23.894587          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:24.139876          Platform architecture set to 'x86'
00:01:24.141276          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
00:01:24.148730          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={83cfdc66-4f20-4569-ad39-8722f7d472b3} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:01:24.149268          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
00:01:24.396912          Platform architecture set to 'x86'
00:01:24.399976          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:24.402013          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:24.644762          Platform architecture set to 'x86'
00:01:24.646385          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:24.649180          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:24.899441          Platform architecture set to 'x86'
00:01:24.900964          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:24.902960          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:25.147251          Platform architecture set to 'x86'
00:01:25.150183          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:25.153042          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:25.415310          Platform architecture set to 'x86'
00:01:25.417239          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:25.419520          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:25.656692          Platform architecture set to 'x86'
00:01:25.658816          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:25.662018          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:25.913275          Platform architecture set to 'x86'
00:01:25.914987          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:25.917305          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:26.168702          Platform architecture set to 'x86'
00:01:26.169876          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:26.171897          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:26.424415          Platform architecture set to 'x86'
00:01:26.427400          Saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox" with version "1.19-windows"
00:01:26.430411          Finished saving settings file "C:\ProgramData\BOINC\slots\2\boinc_91dd6a6724b46410\boinc_91dd6a6724b46410.vbox"
00:01:26.930539          Platform architecture set to 'x86'
00:01:26.932171          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
00:01:26.933454          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
00:01:26.933564          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.03_image.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later}, preserve=false aResultDetail=0
00:01:27.433300          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:01:27.696342          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:01:28.938644          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:01:31.195916          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:01:35.452647          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:01:43.708923          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:01:59.974447          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task}, preserve=false aResultDetail=0
00:02:00.219860          Platform architecture set to 'x86'
00:02:00.221407          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
00:02:00.275199          Platform architecture set to 'x86'
00:02:00.276125          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_91dd6a6724b46410_net'}, preserve=false aResultDetail=0
00:02:00.524262          Saving settings file "C:\Users\KTO-1\.VirtualBox\VirtualBox.xml" with version "1.21-windows"
00:02:00.527095          Finished saving settings file "C:\Users\KTO-1\.VirtualBox\VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:



2026-02-04 09:53:58 (9576): 
Command: VBoxManage -q modifyvm "boinc_91dd6a6724b46410" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-02-04 09:53:58 (9576): 
Command: VBoxManage -q modifyvm "boinc_91dd6a6724b46410" --audio-enabled off 
Exit Code: 0
Output:

2026-02-04 09:53:58 (9576): 
Command: VBoxManage -q modifyvm "boinc_91dd6a6724b46410" --clipboard disabled 
Exit Code: 0
Output:

2026-02-04 09:53:59 (9576): 
Command: VBoxManage -q modifyvm "boinc_91dd6a6724b46410" --draganddrop disabled 
Exit Code: 0
Output:

2026-02-04 09:53:59 (9576): 
Command: VBoxManage -q storagectl "boinc_91dd6a6724b46410" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-02-04 09:53:59 (9576): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: 0
Output:
UUID:           3e56213b-898f-4e83-899f-8eb541d45260
Parent UUID:    base
State:          locked read
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.03_image.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4204 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
Child UUIDs:    7899bda9-bb78-4cf4-a428-a8761a678a0d

2026-02-04 09:53:59 (9576): 
Command: VBoxManage -q storageattach "boinc_91dd6a6724b46410" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.03_image.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

2026-02-04 09:54:00 (9576): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: 0
Output:
UUID:           3e56213b-898f-4e83-899f-8eb541d45260
Parent UUID:    base
State:          locked read
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.03_image.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4204 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
Child UUIDs:    7899bda9-bb78-4cf4-a428-a8761a678a0d

2026-02-04 09:54:00 (9576): 
Command: VBoxManage -q showhdinfo "7899bda9-bb78-4cf4-a428-a8761a678a0d" 
Exit Code: 0
Output:
UUID:           7899bda9-bb78-4cf4-a428-a8761a678a0d
Parent UUID:    3e56213b-898f-4e83-899f-8eb541d45260
State:          locked write
Type:           normal (differencing)
Auto-Reset:     off
Location:       C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi
Storage format: VDI
Format variant: differencing default
Capacity:       20480 MBytes
Size on disk:   1639 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
In use by VMs:  boinc_1d1557a43b629adc (UUID: 50f19be0-8c1d-4ef8-bff3-3a10acdad94a)

2026-02-04 09:54:00 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:01 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:04 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:08 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:16 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:32 (9576): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\7\boinc_1d1557a43b629adc\Snapshots\{7899bda9-bb78-4cf4-a428-a8761a678a0d}.vdi' is locked for writing by another task
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-02-04 09:54:32 (9576): 
Command: VBoxManage -q snapshot "boinc_91dd6a6724b46410" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2026-02-04 09:54:33 (9576): 
Command: VBoxManage -q bandwidthctl "boinc_91dd6a6724b46410" remove "boinc_91dd6a6724b46410_net" 
Exit Code: -2135228415
Output:
VBoxManage.exe: error: Could not find a bandwidth group named 'boinc_91dd6a6724b46410_net'
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component BandwidthControlWrap, interface IBandwidthControl, callee IUnknown
VBoxManage.exe: error: Context: "DeleteBandwidthGroup(name.raw())" at line 273 of file VBoxManageBandwidthControl.cpp

2026-02-04 09:54:33 (9576): 
Command: VBoxManage -q unregistervm "boinc_91dd6a6724b46410" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-02-04 09:54:43 (9576): called boinc_finish(-182)

</stderr_txt>
]]>

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