Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
process got signal 12</message>
<stderr_txt>
2026-01-31 19:13:06 (28611): vboxwrapper version 26210
2026-01-31 19:13:06 (28611): BOINC client version: 8.2.8
2026-01-31 19:13:07 (28611): Detected: VirtualBox VboxManage Interface (Version: 7.2.2)
2026-01-31 19:13:08 (28611): Successfully copied 'init_data.xml' to the shared directory.
2026-01-31 19:13:08 (28611): Create VM. (boinc_ce102aac8f4c7d68, slot#11)
2026-01-31 19:13:08 (28611): Setting Memory Size for VM. (4608MB)
2026-01-31 19:13:09 (28611): Setting CPU Count for VM. (2)
2026-01-31 19:13:09 (28611): Setting Chipset Options for VM.
2026-01-31 19:13:09 (28611): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-01-31 19:13:09 (28611): Setting Boot Options for VM.
2026-01-31 19:13:10 (28611): Setting Network Configuration for NAT. (Driver: virtio)
2026-01-31 19:13:10 (28611): Enabling VM Network Access.
2026-01-31 19:13:10 (28611): Disabling USB Support for VM.
2026-01-31 19:13:10 (28611): Disabling COM Port Support for VM.
2026-01-31 19:13:10 (28611): Disabling LPT Port Support for VM.
2026-01-31 19:13:10 (28611): Disabling Audio Support for VM.
2026-01-31 19:13:11 (28611): Disabling Clipboard Support for VM.
2026-01-31 19:13:11 (28611): Disabling Drag and Drop Support for VM.
2026-01-31 19:13:11 (28611): Adding storage controller(s) to VM.
2026-01-31 19:13:11 (28611): Adding virtual disk drive to VM. (ATLAS_vbox_3.03_image.vdi)
2026-01-31 19:13:43 (28611): Attempts: 18
2026-01-31 19:13:59 (28611): Could not remove parent disk '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi'.
2026-01-31 19:13:59 (28611): Could not remove child disk '2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f'.
2026-01-31 19:13:59 (28611): Could not create VM
2026-01-31 19:13:59 (28611): ERROR: VM failed to start
2026-01-31 19:13:59 (28611): Powering off VM.
2026-01-31 19:13:59 (28611): Deregistering VM. (boinc_ce102aac8f4c7d68, slot#11)
2026-01-31 19:13:59 (28611): Removing network bandwidth throttle group from VM.
2026-01-31 19:14:01 (28611): Attempts: 2
2026-01-31 19:14:01 (28611): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:00.020685 main     VirtualBox XPCOM Server 7.2.2_Ubuntu r170484 linux.amd64 (Sep 16 2025 13:54:04) release log
00:00:00.020689 main     Log opened 2026-01-31T18:13:05.878991000Z
00:00:00.020689 main     Build Type: release
00:00:00.020692 main     OS Product: Linux
00:00:00.020694 main     OS Release: 6.17.0-12-generic
00:00:00.020695 main     OS Version: #12-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan  9 20:46:52 UTC 2026
00:00:00.020720 main     DMI Product Name: 30E000TDUS
00:00:00.020734 main     DMI Product Version: ThinkStation P620
00:00:00.020742 main     Firmware type: UEFI
00:00:00.020825 main     Secure Boot: Disabled
00:00:00.020870 main     Host RAM: 511227MB (499.2GB) total, 505733MB (493.8GB) available
00:00:00.020872 main     Executable: /usr/lib/virtualbox/VBoxSVC
00:00:00.020873 main     Process ID: 26685
00:00:00.020873 main     Package type: LINUX_64BITS_GENERIC (OSE)

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

                b0a9254d-f242-42a7-acba-e8a4c750f3c1
                419d3733-94df-4708-9126-63142e06cf05
                fc6745a6-0b06-4986-89d3-cd448de8fa92
                494a39a1-ebc8-4ac0-86ba-9acc6123bbc8
                427b8a54-59cd-44a1-b5a4-fa85f58bfa30
                9e67a31a-db6d-48ad-8bae-72618f015e14
                6d70ecf2-300d-44bf-9a6c-9bbab161f19b
                82a1e90b-7140-445f-b346-89a9605ab53e
                3ffc15f2-1871-48a4-93d7-b9f33b90775e
                0db794de-90e2-48b6-8a40-3f4c65894caa
                0522bb51-3fa1-4c67-9264-60def225281b
                ecf49013-8651-4ecf-8037-e5a5b9ad1540
                918fdf07-f696-46c3-adf9-48d70e094672
                653ab831-091e-4eda-a462-1457d258d43a
                07ab6a8f-62ad-4641-a41f-0ea111247ccb
                6518af9c-543c-4716-b634-f5dcaacd8dba

2026-01-31 19:13:43 (28611): 
Command: VBoxManage -q storageattach "boinc_ce102aac8f4c7d68" --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

2026-01-31 19:13:43 (28611): 
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:    2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f
                a78ad833-225c-4d68-a643-ca41be89e96a
                d46cb145-fef4-4b08-b833-c2af9eb89b18
                6c7a5348-98e3-4d0e-ba1f-dce90350443e
                a8f18b1d-8c20-42ad-bf11-8c807a499060
                06413a37-68d3-4853-ae93-210d975c7b0b
                291ae866-73db-434b-a1f5-a9b59a348610
                2bfa14a8-563e-481b-a14e-9bb382bcdee8
                692ee7fe-19ce-4f8e-9fc6-44f587a55d9c
                b0a9254d-f242-42a7-acba-e8a4c750f3c1
                419d3733-94df-4708-9126-63142e06cf05
                fc6745a6-0b06-4986-89d3-cd448de8fa92
                494a39a1-ebc8-4ac0-86ba-9acc6123bbc8
                427b8a54-59cd-44a1-b5a4-fa85f58bfa30
                9e67a31a-db6d-48ad-8bae-72618f015e14
                6d70ecf2-300d-44bf-9a6c-9bbab161f19b
                82a1e90b-7140-445f-b346-89a9605ab53e
                3ffc15f2-1871-48a4-93d7-b9f33b90775e
                0db794de-90e2-48b6-8a40-3f4c65894caa
                0522bb51-3fa1-4c67-9264-60def225281b
                ecf49013-8651-4ecf-8037-e5a5b9ad1540
                918fdf07-f696-46c3-adf9-48d70e094672
                653ab831-091e-4eda-a462-1457d258d43a
                07ab6a8f-62ad-4641-a41f-0ea111247ccb
                6518af9c-543c-4716-b634-f5dcaacd8dba

2026-01-31 19:13:43 (28611): 
Command: VBoxManage -q showhdinfo "2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f" 
Exit Code: 0
Output:
UUID:           2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f
Parent UUID:    3e56213b-898f-4e83-899f-8eb541d45260
State:          locked write
Type:           normal (differencing)
Auto-Reset:     off
Location:       /var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi
Storage format: VDI
Format variant: differencing default
Capacity:       20480 MBytes
Size on disk:   3209 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
In use by VMs:  boinc_64b537acd6df4c74 (UUID: e8c1563d-4f0f-478c-87af-51bcd95ea50e)

2026-01-31 19:13:44 (28611): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.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

2026-01-31 19:13:45 (28611): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.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

2026-01-31 19:13:47 (28611): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.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

2026-01-31 19:13:51 (28611): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.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

2026-01-31 19:13:59 (28611): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi" 
Exit Code: -2135228404
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/5/boinc_64b537acd6df4c74/Snapshots/{2c5527ad-cca0-4654-b6bf-e3ef3e4a9c1f}.vdi' cannot be closed because it is still attached to 1 virtual machines
VBoxManage: error: Details: code VBOX_E_OBJECT_IN_USE (0x80bb000c), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "Close()" at line 1877 of file VBoxManageDisk.cpp

2026-01-31 19:13:59 (28611): 
Command: VBoxManage -q snapshot "boinc_ce102aac8f4c7d68" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-01-31 19:13:59 (28611): 
Command: VBoxManage -q bandwidthctl "boinc_ce102aac8f4c7d68" remove "boinc_ce102aac8f4c7d68_net" 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a bandwidth group named 'boinc_ce102aac8f4c7d68_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

2026-01-31 19:14:01 (28611): 
Command: VBoxManage -q unregistervm "boinc_ce102aac8f4c7d68" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-01-31 19:14:06 (28611): called boinc_finish(-2135228404)

</stderr_txt>
]]>

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