Task 9781516

Stderr output

<core_client_version>7.14.2</core_client_version>
<![CDATA[
<message>
exceeded elapsed time limit 7537.93 (86400.00G/11.46G)</message>
<stderr_txt>
2020-10-05 06:36:35 (7580): Detected: vboxwrapper 26202
2020-10-05 06:36:35 (7580): Detected: BOINC client v7.14.2
2020-10-05 06:36:36 (7580): Detected: VirtualBox VboxManage Interface (Version: 5.2.8)
2020-10-05 06:36:37 (7580): Create VM. (boinc_2efd4ee5fd84fc6a, slot#8)
2020-10-05 06:36:37 (7580): Updating drive controller type and model for desired configuration.
2020-10-05 06:36:39 (7580): Setting Memory Size for VM. (3072MB)
2020-10-05 06:36:40 (7580): Setting CPU Count for VM. (1)
2020-10-05 06:36:40 (7580): Setting Chipset Options for VM.
2020-10-05 06:36:41 (7580): Setting Boot Options for VM.
2020-10-05 06:36:42 (7580): Setting Network Configuration for NAT.
2020-10-05 06:36:43 (7580): Enabling VM Network Access.
2020-10-05 06:36:43 (7580): Disabling USB Support for VM.
2020-10-05 06:36:44 (7580): Disabling COM Port Support for VM.
2020-10-05 06:36:45 (7580): Disabling LPT Port Support for VM.
2020-10-05 06:36:46 (7580): Disabling Audio Support for VM.
2020-10-05 06:36:47 (7580): Disabling Clipboard Support for VM.
2020-10-05 06:36:48 (7580): Disabling Drag and Drop Support for VM.
2020-10-05 06:36:49 (7580): Adding storage controller(s) to VM.
2020-10-05 06:36:49 (7580): Adding virtual ISO 9660 disk drive to VM. (vm_isocontext.iso)
2020-10-05 06:36:50 (7580): Adding VirtualBox Guest Additions to VM.
2020-10-05 06:36:51 (7580): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2020-10-05 06:36:52 (7580): Enabling shared directory for VM.
2020-10-05 06:36:53 (7580): Starting VM using VBoxManage interface. (boinc_2efd4ee5fd84fc6a, slot#8)
2020-10-05 06:37:03 (7580): Successfully started VM. (PID = '21228')
2020-10-05 06:37:03 (7580): Reporting VM Process ID to BOINC.
2020-10-05 06:37:03 (7580): Guest Log: BIOS: VirtualBox 5.2.8
2020-10-05 06:37:03 (7580): Guest Log: CPUID EDX: 0x078bf3ff
2020-10-05 06:37:03 (7580): VM state change detected. (old = 'poweredoff', new = 'running')
2020-10-05 06:37:03 (7580): Preference change detected
2020-10-05 06:37:03 (7580): Setting CPU throttle for VM. (95%)
2020-10-05 06:37:03 (7580): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 60 seconds) or (Vbox_job.xml: 600 seconds))
2020-10-05 06:37:05 (7580): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2020-10-05 06:37:05 (7580): Guest Log: int13_harddisk: function 02, unmapped device for ELDL=80
2020-10-05 06:37:05 (7580): Guest Log: BIOS: Boot from Hard Disk 0 failed
2020-10-05 06:37:05 (7580): Guest Log: BIOS: Boot : bseqnr=2, bootseq=0003
2020-10-05 06:37:05 (7580): Guest Log: BIOS: Booting from CD-ROM...
2020-10-05 08:17:10 (7580): Status Report: Elapsed Time: '6000.285128'
2020-10-05 08:17:10 (7580): Status Report: CPU Time: '15.078125'
2020-10-05 08:42:14 (7580): Powering off VM.
2020-10-05 08:42:15 (7580): Successfully stopped VM.
2020-10-05 08:42:15 (7580): Deregistering VM. (boinc_2efd4ee5fd84fc6a, slot#8)
2020-10-05 08:42:15 (7580): Removing network bandwidth throttle group from VM.
2020-10-05 08:42:15 (7580): Removing VM from VirtualBox.
2020-10-05 08:42:15 (7580): Removing virtual ISO 9660 disk from VirtualBox.

    Hypervisor System Log:

88:01:34.325084          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:34.569121          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:34.822916          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:35.151629          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:35.440380          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:35.688277          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:35.954413          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:36.218668          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:36.473404          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:36.726222          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:36.991758          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:37.272132          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:37.523744          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:37.776061          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:37.776061          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:37.777037          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:38.037257          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:38.038262          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:38.038262          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:38.344710          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:38.571144          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:01:38.824305          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:38.824305          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
88:01:38.833118          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
88:01:43.430652          Saving settings file "C:\ProgramData\BOINC\slots\12\boinc_483d0929e3ace4d7\boinc_483d0929e3ace4d7.vbox" with version "1.16-windows"
88:08:17.793310 USBPROXY Getting USB descriptor failed with error 31
88:08:17.815310 USBPROXY Getting USB descriptor failed with error 31
90:06:13.967972          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_2efd4ee5fd84fc6a\boinc_2efd4ee5fd84fc6a.vbox" with version "1.16-windows"
90:06:14.380323          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
90:06:14.464764          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_2efd4ee5fd84fc6a\boinc_2efd4ee5fd84fc6a.vbox" with version "1.16-windows"
90:06:14.730275          Saving settings file "C:\Users\Joe Schwinn\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
90:06:14.981135          ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Cannot delete storage: medium 'C:\ProgramData\BOINC\slots\8\vm_isocontext.iso' is still attached to the following 1 virtual machine(s): f6d3265b-ba5c-4634-8867-10fdeb329c44}, preserve=false aResultDetail=0
90:06:14.981135          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Storage for the medium 'C:\ProgramData\BOINC\slots\8\vm_isocontext.iso' is already created}, preserve=false aResultDetail=0
90:06:14.987939          ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\8\vm_isocontext.iso' cannot be closed because it is still attached to 1 virtual machines}, preserve=false aResultDetail=0
90:06:19.988874          Saving settings file "C:\ProgramData\BOINC\slots\9\boinc_3712c7bc880ca277\boinc_3712c7bc880ca277.vbox" with version "1.16-windows"
90:06:20.147316          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
90:06:20.237111          Saving settings file "C:\ProgramData\BOINC\slots\9\boinc_3712c7bc880ca277\boinc_3712c7bc880ca277.vbox" with version "1.16-windows"
90:06:20.494774          Saving settings file "C:\Users\Joe Schwinn\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
90:06:20.828708          ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Cannot delete storage: medium 'C:\ProgramData\BOINC\slots\9\vm_isocontext.iso' is still attached to the following 1 virtual machine(s): a95660e6-3486-4df3-94ed-9c85b197c7de}, preserve=false aResultDetail=0
90:06:20.829669          ERROR [COM]: aRC=VBOX_E_INVALID_OBJECT_STATE (0x80bb0007) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Storage for the medium 'C:\ProgramData\BOINC\slots\9\vm_isocontext.iso' is already created}, preserve=false aResultDetail=0
90:06:20.835515          ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Medium 'C:\ProgramData\BOINC\slots\9\vm_isocontext.iso' cannot be closed because it is still attached to 1 virtual machines}, preserve=false aResultDetail=0

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

evices per NVMe Port:   1
Maximum PIIX3 Floppy Controllers:1
Maximum ICH9 Floppy Controllers: 1
Maximum Floppy Port count:       1
Maximum Devices per Floppy Port: 2
Default machine folder:          C:\Users\Joe Schwinn\VirtualBox VMs
Raw-mode Supported:              yes
Exclusive HW virtualization use: off
Default hard disk format:        VDI
VRDE auth library:               VBoxAuth
Webservice auth. library:        VBoxAuth
Remote desktop ExtPack:          
Log history count:               3
Default frontend:                
Default audio driver:            DirectSound
Autostart database path:         
Default Guest Additions ISO:     C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso
Logging Level:                   all

2020-10-05 06:36:36 (7580): 
Command: VBoxManage -q list hostinfo 
Exit Code: 0
Output:
Host Information:

Host time: 2020-10-05T10:36:36.277000000Z
Processor online count: 4
Processor count: 4
Processor online core count: 4
Processor core count: 4
Processor supports HW virtualization: no
Processor supports PAE: yes
Processor supports long mode: yes
Processor supports nested paging: no
Processor#0 speed: unknown
Processor#0 description: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Processor#1 speed: unknown
Processor#1 description: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Processor#2 speed: unknown
Processor#2 description: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Processor#3 speed: unknown
Processor#3 description: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Memory size: 16263 MByte
Memory available: 5684 MByte
Operating system: Windows 10
Operating system version: 10.0.19041

2020-10-05 06:36:36 (7580): 
Command: VBoxManage -q showvminfo "boinc_2efd4ee5fd84fc6a" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage.exe: error: Could not find a registered machine named 'boinc_2efd4ee5fd84fc6a'
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBoxWrap, interface IVirtualBox, callee IUnknown
VBoxManage.exe: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2834 of file VBoxManageInfo.cpp

2020-10-05 06:36:37 (7580): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC\slots\8/vm_image.vdi" 
Exit Code: -2135228412
Output:
VBoxManage.exe: error: Could not find file for the medium 'C:\ProgramData\BOINC\slots\8\vm_image.vdi' (VERR_FILE_NOT_FOUND)
VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 179 of file VBoxManageDisk.cpp

2020-10-05 06:36:38 (7580): 
Command: VBoxManage -q createvm --name "boinc_2efd4ee5fd84fc6a" --basefolder "C:\ProgramData\BOINC\slots\8" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_2efd4ee5fd84fc6a' is created and registered.
UUID: daa6ba1d-9b43-4b8f-a969-fe6e19373cb0
Settings file: 'C:\ProgramData\BOINC\slots\8\boinc_2efd4ee5fd84fc6a\boinc_2efd4ee5fd84fc6a.vbox'

2020-10-05 06:36:39 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --description "07970445_50_0" 
Exit Code: 0
Output:

2020-10-05 06:36:40 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --memory 3072 
Exit Code: 0
Output:

2020-10-05 06:36:40 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --cpus 1 
Exit Code: 0
Output:

2020-10-05 06:36:41 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --acpi on --ioapic on 
Exit Code: 0
Output:

2020-10-05 06:36:42 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2020-10-05 06:36:43 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2020-10-05 06:36:43 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --cableconnected1 on 
Exit Code: 0
Output:

2020-10-05 06:36:44 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --usb off 
Exit Code: 0
Output:

2020-10-05 06:36:45 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --uart1 off --uart2 off 
Exit Code: 0
Output:

2020-10-05 06:36:46 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2020-10-05 06:36:47 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --audio none 
Exit Code: 0
Output:

2020-10-05 06:36:48 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --clipboard disabled 
Exit Code: 0
Output:

2020-10-05 06:36:49 (7580): 
Command: VBoxManage -q modifyvm "boinc_2efd4ee5fd84fc6a" --draganddrop disabled 
Exit Code: 0
Output:

2020-10-05 06:36:49 (7580): 
Command: VBoxManage -q storagectl "boinc_2efd4ee5fd84fc6a" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2020-10-05 06:36:50 (7580): 
Command: VBoxManage -q storageattach "boinc_2efd4ee5fd84fc6a" --storagectl "Hard Disk Controller" --port 0 --device 0 --type dvddrive --medium "C:\ProgramData\BOINC\slots\8/vm_isocontext.iso" 
Exit Code: 0
Output:

2020-10-05 06:36:51 (7580): 
Command: VBoxManage -q storageattach "boinc_2efd4ee5fd84fc6a" --storagectl "Hard Disk Controller" --port 2 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2020-10-05 06:36:52 (7580): 
Command: VBoxManage -q bandwidthctl "boinc_2efd4ee5fd84fc6a" add "boinc_2efd4ee5fd84fc6a_net" --type network --limit 1024G 
Exit Code: 0
Output:

2020-10-05 06:36:53 (7580): 
Command: VBoxManage -q sharedfolder add "boinc_2efd4ee5fd84fc6a" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\8/shared"
Exit Code: 0
Output:

2020-10-05 06:37:02 (7580): 
Command: VBoxManage -q startvm "boinc_2efd4ee5fd84fc6a" --type headless
Exit Code: 0
Output:
Waiting for VM "boinc_2efd4ee5fd84fc6a" to power on...
VM "boinc_2efd4ee5fd84fc6a" has been successfully started.

2020-10-05 06:37:03 (7580): 
Command: VBoxManage -q controlvm "boinc_2efd4ee5fd84fc6a" cpuexecutioncap 95 
Exit Code: 0
Output:

2020-10-05 08:42:15 (7580): 
Command: VBoxManage -q controlvm "boinc_2efd4ee5fd84fc6a" poweroff
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2020-10-05 08:42:15 (7580): 
Command: VBoxManage -q snapshot "boinc_2efd4ee5fd84fc6a" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2020-10-05 08:42:15 (7580): 
Command: VBoxManage -q bandwidthctl "boinc_2efd4ee5fd84fc6a" remove "boinc_2efd4ee5fd84fc6a_net" 
Exit Code: 0
Output:

2020-10-05 08:42:15 (7580): 
Command: VBoxManage -q unregistervm "boinc_2efd4ee5fd84fc6a" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2020-10-05 08:42:15 (7580): 
Command: VBoxManage -q closemedium dvd "C:\ProgramData\BOINC\slots\8/vm_isocontext.iso" --delete 
Exit Code: -2135228404
Output:
VBoxManage.exe: error: Cannot delete storage: medium 'C:\ProgramData\BOINC\slots\8\vm_isocontext.iso' is still attached to the following 1 virtual machine(s): f6d3265b-ba5c-4634-8867-10fdeb329c44
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_IN_USE (0x80bb000c), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "DeleteStorage(pProgress.asOutParam())" at line 1639 of file VBoxManageDisk.cpp
VBoxManage.exe: error: Failed to delete medium. Error code Unknown Status -2135228404 (0x80bb000c)
VBoxManage.exe: error: Medium 'C:\ProgramData\BOINC\slots\8\vm_isocontext.iso' cannot be closed because it is still attached to 1 virtual machines
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_IN_USE (0x80bb000c), component MediumWrap, interface IMedium, callee IUnknown
VBoxManage.exe: error: Context: "Close()" at line 1648 of file VBoxManageDisk.cpp

08:42:26 (7580): called boinc_finish(194)

</stderr_txt>
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