Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
process got signal 12</message>
<stderr_txt>
2026-01-30 20:12:11 (312835): vboxwrapper version 26210
2026-01-30 20:12:11 (312835): BOINC client version: 8.2.8
2026-01-30 20:12:12 (312835): Detected: VirtualBox VboxManage Interface (Version: 7.2.2)
2026-01-30 20:12:12 (312835): Successfully copied 'init_data.xml' to the shared directory.
2026-01-30 20:12:12 (312835): Create VM. (boinc_cfd57020182f1651, slot#87)
2026-01-30 20:12:13 (312835): Setting Memory Size for VM. (4608MB)
2026-01-30 20:12:13 (312835): Setting CPU Count for VM. (2)
2026-01-30 20:12:13 (312835): Setting Chipset Options for VM.
2026-01-30 20:12:14 (312835): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-01-30 20:12:14 (312835): Setting Boot Options for VM.
2026-01-30 20:12:14 (312835): Setting Network Configuration for NAT. (Driver: virtio)
2026-01-30 20:12:15 (312835): Enabling VM Network Access.
2026-01-30 20:12:15 (312835): Disabling USB Support for VM.
2026-01-30 20:12:15 (312835): Disabling COM Port Support for VM.
2026-01-30 20:12:16 (312835): Disabling LPT Port Support for VM.
2026-01-30 20:12:16 (312835): Disabling Audio Support for VM.
2026-01-30 20:12:16 (312835): Disabling Clipboard Support for VM.
2026-01-30 20:12:16 (312835): Disabling Drag and Drop Support for VM.
2026-01-30 20:12:17 (312835): Adding storage controller(s) to VM.
2026-01-30 20:12:17 (312835): Adding virtual disk drive to VM. (ATLAS_vbox_3.03_image.vdi)
2026-01-30 20:12:41 (312835): Attempts: 15
2026-01-30 20:12:57 (312835): Could not remove parent disk '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi'.
2026-01-30 20:12:57 (312835): Could not remove child disk '3d8d1873-674e-49fd-a477-15d1db9a2be8'.
2026-01-30 20:12:57 (312835): Could not create VM
2026-01-30 20:12:57 (312835): ERROR: VM failed to start
2026-01-30 20:12:57 (312835): Powering off VM.
2026-01-30 20:12:57 (312835): Deregistering VM. (boinc_cfd57020182f1651, slot#87)
2026-01-30 20:12:57 (312835): Removing network bandwidth throttle group from VM.
2026-01-30 20:12:57 (312835): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:00.011301 main     VirtualBox XPCOM Server 7.2.2_Ubuntu r170484 linux.amd64 (Sep 16 2025 13:54:04) release log
00:00:00.011307 main     Log opened 2026-01-30T16:41:44.551434000Z
00:00:00.011308 main     Build Type: release
00:00:00.011313 main     OS Product: Linux
00:00:00.011314 main     OS Release: 6.17.0-12-generic
00:00:00.011315 main     OS Version: #12-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan  9 20:46:52 UTC 2026
00:00:00.011350 main     DMI Product Name: 30E000TDUS
00:00:00.011363 main     DMI Product Version: ThinkStation P620
00:00:00.011375 main     Firmware type: UEFI
00:00:00.011487 main     Secure Boot: Disabled
00:00:00.011537 main     Host RAM: 511227MB (499.2GB) total, 507536MB (495.6GB) available
00:00:00.011540 main     Executable: /usr/lib/virtualbox/VBoxSVC
00:00:00.011541 main     Process ID: 8242
00:00:00.011541 main     Package type: LINUX_64BITS_GENERIC (OSE)

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

Command: VBoxManage -q modifyvm "boinc_cfd57020182f1651" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-01-30 20:12:16 (312835): 
Command: VBoxManage -q modifyvm "boinc_cfd57020182f1651" --audio-enabled off 
Exit Code: 0
Output:

2026-01-30 20:12:16 (312835): 
Command: VBoxManage -q modifyvm "boinc_cfd57020182f1651" --clipboard disabled 
Exit Code: 0
Output:

2026-01-30 20:12:17 (312835): 
Command: VBoxManage -q modifyvm "boinc_cfd57020182f1651" --draganddrop disabled 
Exit Code: 0
Output:

2026-01-30 20:12:17 (312835): 
Command: VBoxManage -q storagectl "boinc_cfd57020182f1651" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-01-30 20:12:41 (312835): 
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:    3d8d1873-674e-49fd-a477-15d1db9a2be8
                4158e936-507c-414b-b495-ddc61d6dd2d1
                1e1a91b7-f47e-402a-bd1b-4c1693e24ecd
                388b35e7-6417-47a9-9adc-1ea38ed49977
                e56c0966-4c54-484f-acef-b202b8aab09c
                d990b27c-c96e-4ede-aa2f-bf5b4402e777
                5a45ec2e-242c-4470-9cfe-3231c6e80165
                8f14a1ba-4127-425a-9f6b-d002357dd414

2026-01-30 20:12:41 (312835): 
Command: VBoxManage -q storageattach "boinc_cfd57020182f1651" --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

2026-01-30 20:12:41 (312835): 
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:    3d8d1873-674e-49fd-a477-15d1db9a2be8
                4158e936-507c-414b-b495-ddc61d6dd2d1
                1e1a91b7-f47e-402a-bd1b-4c1693e24ecd
                388b35e7-6417-47a9-9adc-1ea38ed49977
                e56c0966-4c54-484f-acef-b202b8aab09c
                d990b27c-c96e-4ede-aa2f-bf5b4402e777
                5a45ec2e-242c-4470-9cfe-3231c6e80165
                8f14a1ba-4127-425a-9f6b-d002357dd414

2026-01-30 20:12:41 (312835): 
Command: VBoxManage -q showhdinfo "3d8d1873-674e-49fd-a477-15d1db9a2be8" 
Exit Code: 0
Output:
UUID:           3d8d1873-674e-49fd-a477-15d1db9a2be8
Parent UUID:    3e56213b-898f-4e83-899f-8eb541d45260
State:          locked write
Type:           normal (differencing)
Auto-Reset:     off
Location:       /var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi
Storage format: VDI
Format variant: differencing default
Capacity:       20480 MBytes
Size on disk:   100 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
In use by VMs:  boinc_2f0a3499e90711c6 (UUID: 0076b9fa-af7d-42fc-abaa-f1f121b25b2a)

2026-01-30 20:12:41 (312835): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.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

2026-01-30 20:12:43 (312835): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.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

2026-01-30 20:12:45 (312835): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.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

2026-01-30 20:12:49 (312835): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.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

2026-01-30 20:12:57 (312835): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.vdi" 
Exit Code: -2135228404
Output:
VBoxManage: error: Medium '/var/lib/boinc-client/slots/83/boinc_2f0a3499e90711c6/Snapshots/{3d8d1873-674e-49fd-a477-15d1db9a2be8}.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

2026-01-30 20:12:57 (312835): 
Command: VBoxManage -q snapshot "boinc_cfd57020182f1651" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-01-30 20:12:57 (312835): 
Command: VBoxManage -q bandwidthctl "boinc_cfd57020182f1651" remove "boinc_cfd57020182f1651_net" 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a bandwidth group named 'boinc_cfd57020182f1651_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

2026-01-30 20:12:57 (312835): 
Command: VBoxManage -q unregistervm "boinc_cfd57020182f1651" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-01-30 20:13:02 (312835): called boinc_finish(-2135228404)

</stderr_txt>
]]>

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