Task 8978788

Name	07849890_10_4
Workunit	7138921
Created	20 Jul 2020, 16:54:05 UTC
Sent	20 Jul 2020, 17:26:27 UTC
Report deadline	25 Jul 2020, 17:26:27 UTC
Received	23 Jul 2020, 12:12:18 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	196 (0x000000C4) EXIT_DISK_LIMIT_EXCEEDED
Computer ID	2580
Run time	5 min 35 sec
CPU time	3 min 57 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	2.60 GFLOPS
Application version	boinc2docker v1.12 (vbox64_mt) x86_64-pc-linux-gnu
Peak working set size	1.90 GB
Peak swap size	3.47 GB
Peak disk usage	2.79 GB
Stderr output

<core_client_version>7.9.3</core_client_version>
<![CDATA[
<message>
Disk usage limit exceeded</message>
<stderr_txt>
2020-07-23 07:53:36 (28478): vboxwrapper (7.7.26197): starting
2020-07-23 07:53:36 (28478): Feature: Checkpoint interval offset (550 seconds)
2020-07-23 07:53:36 (28478): Detected: VirtualBox VboxManage Interface (Version: 5.2.42)
2020-07-23 07:53:36 (28478): Detected: Minimum checkpoint interval (600.000000 seconds)
2020-07-23 07:53:36 (28478): Create VM. (boinc_b8f0c073a379d091, slot#0)
2020-07-23 07:53:36 (28478): Updating drive controller type and model for desired configuration.
2020-07-23 07:53:36 (28478): Setting Memory Size for VM. (3072MB)
2020-07-23 07:53:36 (28478): Setting CPU Count for VM. (1)
2020-07-23 07:53:36 (28478): Setting Chipset Options for VM.
2020-07-23 07:53:37 (28478): Setting Boot Options for VM.
2020-07-23 07:53:37 (28478): Setting Network Configuration for NAT.
2020-07-23 07:53:37 (28478): Enabling VM Network Access.
2020-07-23 07:53:37 (28478): Disabling USB Support for VM.
2020-07-23 07:53:37 (28478): Disabling COM Port Support for VM.
2020-07-23 07:53:37 (28478): Disabling LPT Port Support for VM.
2020-07-23 07:53:37 (28478): Disabling Audio Support for VM.
2020-07-23 07:53:37 (28478): Disabling Clipboard Support for VM.
2020-07-23 07:53:38 (28478): Disabling Drag and Drop Support for VM.
2020-07-23 07:53:38 (28478): Adding storage controller(s) to VM.
2020-07-23 07:53:38 (28478): Adding virtual ISO 9660 disk drive to VM. (vm_isocontext.iso)
2020-07-23 07:53:38 (28478): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2020-07-23 07:53:38 (28478): Enabling shared directory for VM.
2020-07-23 07:53:38 (28478): Starting VM. (boinc_b8f0c073a379d091, slot#0)
2020-07-23 07:53:40 (28478): Successfully started VM. (PID = '28814')
2020-07-23 07:53:40 (28478): Reporting VM Process ID to BOINC.
2020-07-23 07:53:40 (28478): Guest Log: BIOS: VirtualBox 5.2.41
2020-07-23 07:53:40 (28478): Guest Log: CPUID EDX: 0x078bfbff
2020-07-23 07:53:40 (28478): VM state change detected. (old = 'poweroff', new = 'running')
2020-07-23 07:53:40 (28478): Preference change detected
2020-07-23 07:53:40 (28478): Setting CPU throttle for VM. (100%)
2020-07-23 07:53:40 (28478): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 60 seconds) or (Vbox_job.xml: 600 seconds))
2020-07-23 07:53:42 (28478): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2020-07-23 07:53:42 (28478): Guest Log: int13_harddisk: function 02, unmapped device for ELDL=80
2020-07-23 07:53:42 (28478): Guest Log: BIOS: Boot from Hard Disk 0 failed
2020-07-23 07:53:42 (28478): Guest Log: BIOS: Boot : bseqnr=2, bootseq=0003
2020-07-23 07:53:42 (28478): Guest Log: BIOS: Booting from CD-ROM...
2020-07-23 07:53:49 (28478): Guest Log: BIOS: KBD: unsupported int 16h function 03
2020-07-23 07:53:49 (28478): Guest Log: BIOS: AX=0305 BX=0000 CX=0000 DX=0000 
2020-07-23 07:54:05 (28478): Guest Log: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
2020-07-23 07:54:05 (28478): Guest Log: vboxguest: misc device minor 56, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
2020-07-23 07:54:05 (28478): Guest Log: net.ipv4.ip_forward = 1
2020-07-23 07:54:05 (28478): Guest Log: sysctl: cannot stat /proc/sys/net/ipv6/conf/all/forwarding: No such file or directory
2020-07-23 07:54:05 (28478): Guest Log: sysctl: setting key "cannot stat %s": No such file or directory
2020-07-23 07:54:05 (28478): Guest Log: sysctl: "cannot stat %s" is an unknown key
2020-07-23 07:54:05 (28478): Guest Log: sysctl: setting key "cannot stat %s": No such file or directory
2020-07-23 07:54:05 (28478): Guest Log: Segmentation fault
2020-07-23 07:54:07 (28478): Guest Log: automount ...
2020-07-23 07:54:07 (28478): Guest Log: Is the disk unpartitioned?, test for the 'boot2docker format-me' string
2020-07-23 07:54:07 (28478): Guest Log: automount over.
2020-07-23 07:54:07 (28478): Guest Log: [1;32mSetting hostname to [1;35mboot2docker[0;39m [1;32mDone.[0;39m
2020-07-23 07:54:09 (28478): Guest Log: Thu Jul 23 07:54:05 UTC 2020 dhcp -------------------------------
2020-07-23 07:54:14 (28478): Guest Log: udevadm settle - timeout of 5 seconds reached, the event queue contains:
2020-07-23 07:54:14 (28478): Guest Log:   /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0700:00 (1316)
2020-07-23 07:54:15 (28478): Guest Log: Thu Jul 23 07:54:12 UTC 2020 dhcp -------------------------------
2020-07-23 07:54:15 (28478): Guest Log: VBoxService 5.0.16 r105871 (verbosity: 0) linux.amd64 (Mar  4 2016 17:38:55) release log
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.000628 main     Log opened 2020-07-23T07:54:13.080759000Z
2020-07-23 07:54:15 (28478): Guest Log: VBoxService 5.0.16 r105871 (verbosity: 0) linux.amd64 (Mar  4 2016 17:38:55) release log
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.000628 main     Log opened 2020-07-23T07:54:13.080759000Z
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.004918 main     OS Product: Linux
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005016 main     OS Release: 4.1.19-boot2docker
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005101 main     OS Version: #1 SMP Sun Apr 17 19:40:54 UTC 2016
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005180 main     Executable: /sbin/VBoxService
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005191 main     Process ID: 719
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005197 main     Package type: LINUX_64BITS_GENERIC
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.004918 main     OS Product: Linux
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005016 main     OS Release: 4.1.19-boot2docker
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005101 main     OS Version: #1 SMP Sun Apr 17 19:40:54 UTC 2016
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005180 main     Executable: /sbin/VBoxService
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005191 main     Process ID: 719
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.005197 main     Package type: LINUX_64BITS_GENERIC
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.017103 main     5.0.16 r105871 started. Verbose level = 0
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.017103 main     5.0.16 r105871 started. Verbose level = 0
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.070989 vminfo   rtldrNativeLoad: dlopen('libdbus-1.so.3', RTLD_NOW | RTLD_LOCAL) failed: libdbus-1.so.3: cannot open shared object file: No such file or directory
2020-07-23 07:54:15 (28478): Guest Log: 00:00:00.071137 vminfo   Error: Unable to connect to system D-Bus (1/3): D-Bus not installed
2020-07-23 07:54:16 (28478): Guest Log: Mounting BOINC shared/...
2020-07-23 07:54:16 (28478): Guest Log: -------------------
2020-07-23 07:54:16 (28478): Guest Log: Thu Jul 23 11:54:15 UTC 2020
2020-07-23 07:54:20 (28478): Guest Log: 00:00:05.082218 vminfo   Error: Unable to connect to system D-Bus (2/3): D-Bus not installed
2020-07-23 07:54:21 (28478): Guest Log: Thu Jul 23 11:54:20 UTC 2020
2020-07-23 07:54:21 (28478): Guest Log: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
2020-07-23 07:54:21 (28478): Guest Log:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2020-07-23 07:54:21 (28478): Guest Log:     inet 127.0.0.1/8 scope host lo
2020-07-23 07:54:21 (28478): Guest Log:        valid_lft forever preferred_lft forever
2020-07-23 07:54:21 (28478): Guest Log:     inet6 ::1/128 scope host 
2020-07-23 07:54:21 (28478): Guest Log:        valid_lft forever preferred_lft forever
2020-07-23 07:54:21 (28478): Guest Log: 2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default 
2020-07-23 07:54:21 (28478): Guest Log:     link/ether aa:01:5f:44:a0:d0 brd ff:ff:ff:ff:ff:ff
2020-07-23 07:54:21 (28478): Guest Log: 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
2020-07-23 07:54:21 (28478): Guest Log:     link/ether 08:00:27:c3:4a:85 brd ff:ff:ff:ff:ff:ff
2020-07-23 07:54:21 (28478): Guest Log:     inet 10.0.2.15/24 brd 10.0.2.255 scope global eth0
2020-07-23 07:54:21 (28478): Guest Log:        valid_lft forever preferred_lft forever
2020-07-23 07:54:21 (28478): Guest Log:     inet6 fe80::a00:27ff:fec3:4a85/64 scope link 
2020-07-23 07:54:21 (28478): Guest Log:        valid_lft forever preferred_lft forever
2020-07-23 07:54:21 (28478): Guest Log: -------------------
2020-07-23 07:54:21 (28478): Guest Log: Linking /etc/docker to /var/lib/boot2docker for persistence
2020-07-23 07:54:21 (28478): Guest Log: Waiting for Docker daemon to start...
2020-07-23 07:54:23 (28478): Guest Log: REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
2020-07-23 07:54:23 (28478): Guest Log: Running boinc_app...
2020-07-23 07:54:23 (28478): Guest Log: Importing Docker image from BOINC...
2020-07-23 07:54:23 (28478): Guest Log: Filesystem                Size      Used Available Use% Mounted on
2020-07-23 07:54:23 (28478): Guest Log: tmpfs                     2.6G    164.2M      2.5G   6% /
2020-07-23 07:54:23 (28478): Guest Log: tmpfs                     1.5G         0      1.5G   0% /dev/shm
2020-07-23 07:54:23 (28478): Guest Log: cgroup                    1.5G         0      1.5G   0% /sys/fs/cgroup
2020-07-23 07:54:23 (28478): Guest Log: shared                  228.2G     27.3G    200.9G  12% /root/shared
2020-07-23 07:54:23 (28478): Guest Log: tmpfs                     2.6G    164.2M      2.5G   6% /var/lib/docker/aufs
2020-07-23 07:54:26 (28478): Guest Log: 00:00:10.088006 vminfo   Error: Unable to connect to system D-Bus (3/3): D-Bus not installed
2020-07-23 07:54:40 (28478): Guest Log: doing docker load...
2020-07-23 07:55:19 (28478): Guest Log: Filesystem                Size      Used Available Use% Mounted on
2020-07-23 07:55:19 (28478): Guest Log: tmpfs                     2.6G    663.1M      2.0G  24% /
2020-07-23 07:55:19 (28478): Guest Log: tmpfs                     1.5G         0      1.5G   0% /dev/shm
2020-07-23 07:55:19 (28478): Guest Log: cgroup                    1.5G         0      1.5G   0% /sys/fs/cgroup
2020-07-23 07:55:19 (28478): Guest Log: shared                  228.2G     28.0G    200.2G  12% /root/shared
2020-07-23 07:55:19 (28478): Guest Log: tmpfs                     2.6G    663.1M      2.0G  24% /var/lib/docker/aufs
2020-07-23 07:55:19 (28478): Guest Log:               total        used        free      shared  buff/cache   available
2020-07-23 07:55:19 (28478): Guest Log: Mem:           3007          54        2251         663         701        2252
2020-07-23 07:55:19 (28478): Guest Log: Swap:           703           0         703
2020-07-23 07:55:19 (28478): Guest Log: Building apps directory...
2020-07-23 07:55:19 (28478): Guest Log: tar: ./r2/bin/main_fin_mcr/.META/manifest.xml: time stamp 2035-10-29 06:32:22 is 481747022.614658464 s in the future
2020-07-23 07:59:03 (28478): Powering off VM.
2020-07-23 07:59:04 (28478): Successfully stopped VM.
2020-07-23 07:59:04 (28478): Deregistering VM. (boinc_b8f0c073a379d091, slot#0)
2020-07-23 07:59:04 (28478): Removing network bandwidth throttle group from VM.
2020-07-23 07:59:04 (28478): Removing storage controller(s) from VM.
2020-07-23 07:59:04 (28478): Removing VM from VirtualBox.
2020-07-23 07:59:04 (28478): Removing virtual ISO 9660 disk from VirtualBox.

    Hypervisor System Log:


    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

5.2.42_Ubuntur137960

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q list systemproperties
Exit Code: 0
Output:
API version:                     5_2
Minimum guest RAM size:          4 Megabytes
Maximum guest RAM size:          2097152 Megabytes
Minimum video RAM size:          0 Megabytes
Maximum video RAM size:          256 Megabytes
Maximum guest monitor count:     64
Minimum guest CPU count:         1
Maximum guest CPU count:         32
Virtual disk limit (info):       2199022206976 Bytes
Maximum Serial Port count:       4
Maximum Parallel Port count:     2
Maximum Boot Position:           4
Maximum PIIX3 Network Adapter count:   8
Maximum ICH9 Network Adapter count:   36
Maximum PIIX3 IDE Controllers:   1
Maximum ICH9 IDE Controllers:    1
Maximum IDE Port count:          2
Maximum Devices per IDE Port:    2
Maximum PIIX3 SATA Controllers:  1
Maximum ICH9 SATA Controllers:   8
Maximum SATA Port count:         30
Maximum Devices per SATA Port:   1
Maximum PIIX3 SCSI Controllers:  1
Maximum ICH9 SCSI Controllers:   8
Maximum SCSI Port count:         16
Maximum Devices per SCSI Port:   1
Maximum SAS PIIX3 Controllers:   1
Maximum SAS ICH9 Controllers:    8
Maximum SAS Port count:          255
Maximum Devices per SAS Port:    1
Maximum NVMe PIIX3 Controllers:  1
Maximum NVMe ICH9 Controllers:   8
Maximum NVMe Port count:         255
Maximum Devices 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:          /var/lib/boinc-client/VirtualBox VMs
Raw-mode Supported:              yes
Exclusive HW virtualization use: on
Default hard disk format:        VDI
VRDE auth library:               VBoxAuth
Webservice auth. library:        VBoxAuth
Remote desktop ExtPack:          VNC
Log history count:               3
Default frontend:                
Default audio driver:            ALSA
Autostart database path:         
Default Guest Additions ISO:     
Logging Level:                   all

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q list hostinfo 
Exit Code: 0
Output:
Host Information:

Host time: 2020-07-23T11:53:36.212000000Z
Processor online count: 2
Processor count: 2
Processor online core count: 2
Processor core count: 2
Processor supports HW virtualization: yes
Processor supports PAE: yes
Processor supports long mode: yes
Processor supports nested paging: no
Processor#0 speed: 2600 MHz
Processor#0 description: Dual-Core AMD Opteron(tm) Processor 2218
Processor#1 speed: 2600 MHz
Processor#1 description: Dual-Core AMD Opteron(tm) Processor 2218
Memory size: 16104 MByte
Memory available: 14238 MByte
Operating system: Linux
Operating system version: 4.15.0-112-generic

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q showvminfo "boinc_b8f0c073a379d091" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a registered machine named 'boinc_b8f0c073a379d091'
VBoxManage: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBoxWrap, interface IVirtualBox, callee nsISupports
VBoxManage: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2871 of file VBoxManageInfo.cpp

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc-client/slots/0/vm_image.vdi" 
Exit Code: -2135228412
Output:
VBoxManage: error: Could not find file for the medium '/var/lib/boinc-client/slots/0/vm_image.vdi' (VERR_FILE_NOT_FOUND)
VBoxManage: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 179 of file VBoxManageDisk.cpp

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q createvm --name "boinc_b8f0c073a379d091" --basefolder "/var/lib/boinc-client/slots/0" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_b8f0c073a379d091' is created and registered.
UUID: 490a2d2a-c3c6-4038-b64a-e63b0cb34731
Settings file: '/var/lib/boinc-client/slots/0/boinc_b8f0c073a379d091/boinc_b8f0c073a379d091.vbox'

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --description "07849890_10_4" 
Exit Code: 0
Output:

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --memory 3072 
Exit Code: 0
Output:

2020-07-23 07:53:36 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --cpus 1 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --acpi on --ioapic on 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --cableconnected1 on 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --usb off 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --uart1 off --uart2 off 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2020-07-23 07:53:37 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --audio none 
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --clipboard disabled 
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q modifyvm "boinc_b8f0c073a379d091" --draganddrop disabled 
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q storagectl "boinc_b8f0c073a379d091" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q storageattach "boinc_b8f0c073a379d091" --storagectl "Hard Disk Controller" --port 0 --device 0 --type dvddrive --medium "/var/lib/boinc-client/slots/0/vm_isocontext.iso" 
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q bandwidthctl "boinc_b8f0c073a379d091" add "boinc_b8f0c073a379d091_net" --type network --limit 1024G 
Exit Code: 0
Output:

2020-07-23 07:53:38 (28478): 
Command: VBoxManage -q sharedfolder add "boinc_b8f0c073a379d091" --name "shared" --hostpath "/var/lib/boinc-client/slots/0/shared"
Exit Code: 0
Output:

2020-07-23 07:53:39 (28478): 
Command: VBoxManage -q startvm "boinc_b8f0c073a379d091" --type headless
Exit Code: 0
Output:
Waiting for VM "boinc_b8f0c073a379d091" to power on...
VM "boinc_b8f0c073a379d091" has been successfully started.

2020-07-23 07:53:40 (28478): 
Command: VBoxManage -q controlvm "boinc_b8f0c073a379d091" cpuexecutioncap 100 
Exit Code: 0
Output:

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q controlvm "boinc_b8f0c073a379d091" poweroff
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q snapshot "boinc_b8f0c073a379d091" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q bandwidthctl "boinc_b8f0c073a379d091" remove "boinc_b8f0c073a379d091_net" 
Exit Code: 0
Output:

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q storagectl "boinc_b8f0c073a379d091" --name "Hard Disk Controller" --remove 
Exit Code: 0
Output:

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q unregistervm "boinc_b8f0c073a379d091" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2020-07-23 07:59:04 (28478): 
Command: VBoxManage -q closemedium dvd "/var/lib/boinc-client/slots/0/vm_isocontext.iso" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

07:59:09 (28478): called boinc_finish(194)

</stderr_txt>
]]>