Stderr output

<core_client_version>8.2.7</core_client_version>
<![CDATA[
<message>
process exited with code 74 (0x4a, -182)</message>
<stderr_txt>
2025-11-18 19:44:16 (1660715): vboxwrapper version 26210
2025-11-18 19:44:16 (1660715): BOINC client version: 8.2.7
2025-11-18 19:44:16 (1660715): Detected: VirtualBox VboxManage Interface (Version: 7.2.2)
2025-11-18 19:44:16 (1660715): Successfully copied 'init_data.xml' to the shared directory.
2025-11-18 19:44:16 (1660715): Create VM. (boinc_6176ae8bd25d05f7, slot#101)
2025-11-18 19:44:17 (1660715): Setting Memory Size for VM. (4096MB)
2025-11-18 19:44:17 (1660715): Setting CPU Count for VM. (1)
2025-11-18 19:44:17 (1660715): Setting Chipset Options for VM.
2025-11-18 19:44:17 (1660715): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2025-11-18 19:44:18 (1660715): Setting Boot Options for VM.
2025-11-18 19:44:18 (1660715): Setting Network Configuration for NAT. (Driver: virtio)
2025-11-18 19:44:18 (1660715): Enabling VM Network Access.
2025-11-18 19:44:18 (1660715): Disabling USB Support for VM.
2025-11-18 19:44:19 (1660715): Disabling COM Port Support for VM.
2025-11-18 19:44:19 (1660715): Disabling LPT Port Support for VM.
2025-11-18 19:44:19 (1660715): Disabling Audio Support for VM.
2025-11-18 19:44:19 (1660715): Disabling Clipboard Support for VM.
2025-11-18 19:44:19 (1660715): Disabling Drag and Drop Support for VM.
2025-11-18 19:44:20 (1660715): Adding storage controller(s) to VM.
2025-11-18 19:44:20 (1660715): Adding virtual disk drive to VM. (ATLAS_vbox_3.03_image.vdi)
2025-11-18 19:45:09 (1660715): Attempts: 28
2025-11-18 19:45:42 (1660715): Could not remove parent disk '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi'.
2025-11-18 19:45:42 (1660715): Could not remove child disk 'a12b5d71-680a-4124-8775-2fd36f27ee0e'.
2025-11-18 19:45:42 (1660715): Could not create VM
2025-11-18 19:45:42 (1660715): ERROR: VM failed to start
2025-11-18 19:45:42 (1660715): Powering off VM.
2025-11-18 19:45:42 (1660715): Deregistering VM. (boinc_6176ae8bd25d05f7, slot#101)
2025-11-18 19:45:42 (1660715): Removing network bandwidth throttle group from VM.
2025-11-18 19:47:13 (1660715): Could not set race mitigation lock.
2025-11-18 19:47:13 (1660715): Lockname: '/boinc_lock_bc82dccc1f02279f'
2025-11-18 19:47:13 (1660715): Error: ERR_TIMEOUT
2025-11-18 19:47:13 (1660715): Attempts: 47
2025-11-18 19:47:13 (1660715): Could not set race mitigation lock in 'deregister_vm'.
2025-11-18 19:47:13 (1660715): Warning: Will continue without a lock.
2025-11-18 19:47:13 (1660715): Removing VM from VirtualBox.

    Hypervisor System Log:

86:27:40.098726 DCon4972 Log continuation - Log started 2025-11-14T08:20:46.041904000Z
86:27:40.111008 DCon4972 Finished saving settings file "/var/lib/boinc-client/slots/34/boinc_0f21eb45af8d7751/boinc_0f21eb45af8d7751.vbox"
86:27:40.410851 DCon4973 Platform architecture set to 'x86'
86:27:40.412921 DCon4973 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
86:27:40.578459 DCon4966 Platform architecture set to 'x86'
86:27:40.581213 DCon4966 Saving settings file "/var/lib/boinc-client/slots/34/boinc_0f21eb45af8d7751/boinc_0f21eb45af8d7751.vbox" with version "1.19-linux"
86:27:40.593135 DCon4966 Finished saving settings file "/var/lib/boinc-client/slots/34/boinc_0f21eb45af8d7751/boinc_0f21eb45af8d7751.vbox"
86:27:40.758809 DCon4966 Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
86:27:40.775303 DCon4966 Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
86:27:40.775429 DCon4966 Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
86:27:40.785619 DCon4966 Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
86:27:40.786537 DeleteVM Saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
86:27:40.797082 DeleteVM Finished saving settings file "/var/lib/boinc-client/projects/VirtualBox/VirtualBox.xml"
86:27:45.802042 main     VirtualBox: object deletion starts
86:27:45.802107 main     ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/2/boinc_68ad70512d331101/Snapshots/{6f05e9f2-ad96-437c-910e-2b664a390123}.vdi' cannot be closed because it is still attached to 1 virtual machines}, preserve=false aResultDetail=0
86:27:45.802428 main     ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi' cannot be closed because it is still attached to 1 virtual machines}, preserve=false aResultDetail=0
86:27:45.803342 main     ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={7d510820-a678-4730-a862-818dcd3fbed0} aComponent={MediumWrap} aText={Medium '/var/lib/boinc-client/slots/9/boinc_6a359ed650848c73/Snapshots/{b487a91d-6303-427c-9586-5e4be1b1da68}.vdi' cannot be closed because it is still attached to 1 virtual machines}, preserve=false aResultDetail=0
86:27:45.805643 main     HostDnsMonitor: shutting down ...
86:27:45.806960 main     HostDnsMonitor: shut down
86:27:46.100882 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={2ce10519-3c09-45d8-a12d-e887786146b7} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
86:27:48.026306 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

Output:

2025-11-18 19:44:19 (1660715): 
Command: VBoxManage -q modifyvm "boinc_6176ae8bd25d05f7" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-11-18 19:44:19 (1660715): 
Command: VBoxManage -q modifyvm "boinc_6176ae8bd25d05f7" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-11-18 19:44:19 (1660715): 
Command: VBoxManage -q modifyvm "boinc_6176ae8bd25d05f7" --audio-enabled off 
Exit Code: 0
Output:

2025-11-18 19:44:19 (1660715): 
Command: VBoxManage -q modifyvm "boinc_6176ae8bd25d05f7" --clipboard disabled 
Exit Code: 0
Output:

2025-11-18 19:44:20 (1660715): 
Command: VBoxManage -q modifyvm "boinc_6176ae8bd25d05f7" --draganddrop disabled 
Exit Code: 0
Output:

2025-11-18 19:44:20 (1660715): 
Command: VBoxManage -q storagectl "boinc_6176ae8bd25d05f7" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-11-18 19:45:09 (1660715): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/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:       /var/lib/boinc-client/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:    a12b5d71-680a-4124-8775-2fd36f27ee0e

2025-11-18 19:45:10 (1660715): 
Command: VBoxManage -q storageattach "boinc_6176ae8bd25d05f7" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc-client/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/var/lib/boinc-client/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: 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

2025-11-18 19:45:10 (1660715): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/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:       /var/lib/boinc-client/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:    a12b5d71-680a-4124-8775-2fd36f27ee0e

2025-11-18 19:45:10 (1660715): 
Command: VBoxManage -q showhdinfo "a12b5d71-680a-4124-8775-2fd36f27ee0e" 
Exit Code: 0
Output:
UUID:           a12b5d71-680a-4124-8775-2fd36f27ee0e
Parent UUID:    3e56213b-898f-4e83-899f-8eb541d45260
State:          locked write
Type:           normal (differencing)
Auto-Reset:     off
Location:       /var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi
Storage format: VDI
Format variant: differencing default
Capacity:       20480 MBytes
Size on disk:   110 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
In use by VMs:  boinc_8448c983531b20f2 (UUID: 65d93b6d-acdf-49af-90a4-79dc95501c0e)

2025-11-18 19:45:10 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:11 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:13 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:18 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:26 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:42 (1660715): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/19/boinc_8448c983531b20f2/Snapshots/{a12b5d71-680a-4124-8775-2fd36f27ee0e}.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 1877 of file VBoxManageDisk.cpp

2025-11-18 19:45:42 (1660715): 
Command: VBoxManage -q snapshot "boinc_6176ae8bd25d05f7" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2025-11-18 19:45:42 (1660715): 
Command: VBoxManage -q bandwidthctl "boinc_6176ae8bd25d05f7" remove "boinc_6176ae8bd25d05f7_net" 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a bandwidth group named 'boinc_6176ae8bd25d05f7_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

2025-11-18 19:47:13 (1660715): 
Command: VBoxManage -q unregistervm "boinc_6176ae8bd25d05f7" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-11-18 19:47:18 (1660715): called boinc_finish(-182)

</stderr_txt>
]]>

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