Stderr output

<core_client_version>7.14.2</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code -1073741819 (0xc0000005)</message>
<stderr_txt>
2026-02-01 08:06:11 (2348): vboxwrapper version 26210
2026-02-01 08:06:11 (2348): BOINC client version: 7.14.2
2026-02-01 08:06:11 (2348): Detected: VirtualBox VboxManage Interface (Version: 5.2.8)
2026-02-01 08:06:12 (2348): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2026-02-01 08:06:12 (2348): Successfully copied 'init_data.xml' to the shared directory.
2026-02-01 08:06:12 (2348): Create VM. (boinc_b24b815f8d06573f, slot#0)
2026-02-01 08:06:12 (2348): Setting Memory Size for VM. (4584MB)
2026-02-01 08:06:13 (2348): Setting CPU Count for VM. (4)
2026-02-01 08:06:13 (2348): Setting Chipset Options for VM.
2026-02-01 08:06:13 (2348): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-02-01 08:06:14 (2348): Setting Boot Options for VM.
2026-02-01 08:06:14 (2348): Setting Network Configuration for NAT. (Driver: virtio)
2026-02-01 08:06:14 (2348): Enabling VM Network Access.
2026-02-01 08:06:15 (2348): Disabling USB Support for VM.
2026-02-01 08:06:15 (2348): Disabling COM Port Support for VM.
2026-02-01 08:06:15 (2348): Disabling LPT Port Support for VM.
2026-02-01 08:06:15 (2348): Disabling Audio Support for VM.
2026-02-01 08:06:16 (2348): Disabling Clipboard Support for VM.
2026-02-01 08:06:16 (2348): Disabling Drag and Drop Support for VM.
2026-02-01 08:06:16 (2348): Adding storage controller(s) to VM.
2026-02-01 08:06:16 (2348): Adding virtual disk drive to VM. (CMS_2025_04_08_prod.vdi)
2026-02-01 08:06:18 (2348): Adding VirtualBox Guest Additions to VM.
2026-02-01 08:06:18 (2348): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-02-01 08:06:18 (2348): forwarding host port 55543 to guest port 80
2026-02-01 08:06:18 (2348): Enabling remote desktop for VM.
2026-02-01 08:06:19 (2348): Required extension pack not installed, remote desktop not enabled.
2026-02-01 08:06:19 (2348): Enabling shared directory for VM.
2026-02-01 08:06:19 (2348): Starting VM using VBoxManage interface. (boinc_b24b815f8d06573f, slot#0)
2026-02-01 08:06:20 (2348): Error in start VM for VM: -1073741819
Command:
VBoxManage -q startvm "boinc_b24b815f8d06573f" --type headless
Output:
Waiting for VM "boinc_b24b815f8d06573f" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_b24b815f8d06573f' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-02-01 08:06:20 (2348): VM failed to start.
2026-02-01 08:06:20 (2348): Could not start 
2026-02-01 08:06:20 (2348): ERROR: VM failed to start
2026-02-01 08:06:20 (2348): Powering off VM.
2026-02-01 08:06:20 (2348): Deregistering VM. (boinc_b24b815f8d06573f, slot#0)
2026-02-01 08:06:20 (2348): Removing network bandwidth throttle group from VM.
2026-02-01 08:06:20 (2348): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:06.619193          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
00:00:06.619193          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox" with version "1.16-windows"
00:00:06.791508          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:06.885263          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox" with version "1.16-windows"
00:00:07.057605          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:07.151333          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox" with version "1.16-windows"
00:00:07.589238          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
00:00:07.589238          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
00:00:07.589238          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:07.682966          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox" with version "1.16-windows"
00:00:07.855314          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:07.949043          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
00:00:07.949043          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
00:00:07.949043          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
00:00:08.121410          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
00:00:08.121410          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:08.121410          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
00:00:08.121410          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:08.121410          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:08.387484          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
00:00:08.387484          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
00:00:08.387484          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:08.653549          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:08.747254 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_b24b815f8d06573f' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:08.747254 Watcher  Reaper: Pid 13824 (3600) exited normally: -1073741819 (0xc0000005)
00:00:08.810246          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
00:00:08.857111          Saving settings file "C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox" with version "1.16-windows"
00:00:08.919597          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:09.138897          Saving settings file "C:\Users\Driessen\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:09.445944          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:09.717156          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
00:00:09.717156          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
00:00:09.717156          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
00:00:10.499789 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_f0f4e53833361853' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:10.499789 Watcher  Reaper: Pid 16432 (4030) exited normally: -1073741819 (0xc0000005)
00:00:10.562811          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
00:00:10.625296          Saving settings file "C:\ProgramData\BOINC\slots\1\boinc_f0f4e53833361853\boinc_f0f4e53833361853.vbox" with version "1.16-windows"
00:00:10.891427          Saving settings file "C:\Users\Driessen\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.897128 main     VirtualBox: object deletion starts
00:00:15.897128 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={9570b9d5-f1a1-448a-10c5-e12f5285adad} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:15.897128 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

BoxManage.exe: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2834 of file VBoxManageInfo.cpp

2026-02-01 08:06:12 (2348): 
Command: VBoxManage -q createvm --name "boinc_b24b815f8d06573f" --basefolder "C:\ProgramData\BOINC\slots\0" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_b24b815f8d06573f' is created and registered.
UUID: 6eacce66-2c7d-488a-a060-0bf03d03d27f
Settings file: 'C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.vbox'

2026-02-01 08:06:12 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --description "CMS_91864_1769925268.935437_0" 
Exit Code: 0
Output:

2026-02-01 08:06:13 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --memory 4584 
Exit Code: 0
Output:

2026-02-01 08:06:13 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --cpus 4 
Exit Code: 0
Output:

2026-02-01 08:06:13 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2026-02-01 08:06:14 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2026-02-01 08:06:14 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2026-02-01 08:06:14 (2348): 
Command: VBoxManage -q showvminfo "boinc_b24b815f8d06573f" --machinereadable 
Exit Code: 0
Output:
name="boinc_b24b815f8d06573f"
groups="/"
ostype="Linux 2.6 / 3.x / 4.x (64-bit)"
UUID="6eacce66-2c7d-488a-a060-0bf03d03d27f"
CfgFile="C:\\ProgramData\\BOINC\\slots\\0\\boinc_b24b815f8d06573f\\boinc_b24b815f8d06573f.vbox"
SnapFldr="C:\\ProgramData\\BOINC\\slots\\0\\boinc_b24b815f8d06573f\\Snapshots"
LogFldr="C:\\ProgramData\\BOINC\\slots\\0\\boinc_b24b815f8d06573f\\Logs"
hardwareuuid="6eacce66-2c7d-488a-a060-0bf03d03d27f"
memory=4584
pagefusion="off"
vram=16
cpuexecutioncap=100
hpet="off"
chipset="piix3"
firmware="BIOS"
cpus=4
pae="on"
longmode="on"
triplefaultreset="off"
apic="on"
x2apic="on"
cpuid-portability-level=0
bootmenu="messageandmenu"
boot1="disk"
boot2="dvd"
boot3="none"
boot4="none"
acpi="on"
ioapic="on"
biosapic="apic"
biossystemtimeoffset=0
rtcuseutc="off"
hwvirtex="on"
nestedpaging="on"
largepages="on"
vtxvpid="on"
vtxux="on"
paravirtprovider="default"
effparavirtprovider="kvm"
VMState="poweroff"
VMStateChangeTime="2026-02-01T07:06:12.471000000"
monitorcount=1
accelerate3d="off"
accelerate2dvideo="off"
teleporterenabled="off"
teleporterport=0
teleporteraddress=""
teleporterpassword=""
tracing-enabled="off"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
natnet1="nat"
macaddress1="08002718F105"
cableconnected1="on"
nic1="nat"
nictype1="82540EM"
nicspeed1="0"
mtu="0"
sockSnd="64"
sockRcv="64"
tcpWndSnd="64"
tcpWndRcv="64"
nic2="none"
nic3="none"
nic4="none"
nic5="none"
nic6="none"
nic7="none"
nic8="none"
hidpointing="ps2mouse"
hidkeyboard="ps2kbd"
uart1="off"
uart2="off"
uart3="off"
uart4="off"
lpt1="off"
lpt2="off"
audio="dsound"
audio_in="false"
audio_out="false"
clipboard="disabled"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
videocap="off"
videocap_audio="off"
videocapscreens=0
videocapfile="C:\ProgramData\BOINC\slots\0\boinc_b24b815f8d06573f\boinc_b24b815f8d06573f.webm"
videocapres=1024x768
videocaprate=512
videocapfps=25
videocapopts=
description="CMS_91864_1769925268.935437_0"
GuestMemoryBalloon=0

2026-02-01 08:06:14 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --nic1 nat --nictype1 "virtio" --cableconnected1 off --natdnsproxy1 on 
Exit Code: 0
Output:

2026-02-01 08:06:15 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --cableconnected1 on 
Exit Code: 0
Output:

2026-02-01 08:06:15 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --usb off 
Exit Code: 0
Output:

2026-02-01 08:06:15 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-02-01 08:06:15 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-02-01 08:06:16 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --audio none 
Exit Code: 0
Output:

2026-02-01 08:06:16 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --clipboard disabled 
Exit Code: 0
Output:

2026-02-01 08:06:16 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --draganddrop disabled 
Exit Code: 0
Output:

2026-02-01 08:06:16 (2348): 
Command: VBoxManage -q storagectl "boinc_b24b815f8d06573f" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-02-01 08:06:17 (2348): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:
UUID:           fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   3853 MBytes
Encryption:     disabled

2026-02-01 08:06:17 (2348): 
Command: VBoxManage -q storageattach "boinc_b24b815f8d06573f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:

2026-02-01 08:06:17 (2348): 
Command: VBoxManage -q storageattach "boinc_b24b815f8d06573f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2026-02-01 08:06:18 (2348): 
Command: VBoxManage -q storageattach "boinc_b24b815f8d06573f" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi" 
Exit Code: 0
Output:

2026-02-01 08:06:18 (2348): 
Command: VBoxManage -q storageattach "boinc_b24b815f8d06573f" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2026-02-01 08:06:18 (2348): 
Command: VBoxManage -q bandwidthctl "boinc_b24b815f8d06573f" add "boinc_b24b815f8d06573f_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-02-01 08:06:18 (2348): 
Command: VBoxManage -q modifyvm "boinc_b24b815f8d06573f" --natpf1 ",tcp,127.0.0.1,55543,,80" 
Exit Code: 0
Output:

2026-02-01 08:06:19 (2348): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2026-02-01 08:06:19 (2348): 
Command: VBoxManage -q sharedfolder add "boinc_b24b815f8d06573f" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\0/shared"
Exit Code: 0
Output:

2026-02-01 08:06:20 (2348): 
Command: VBoxManage -q startvm "boinc_b24b815f8d06573f" --type headless
Exit Code: -1073741819
Output:
Waiting for VM "boinc_b24b815f8d06573f" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_b24b815f8d06573f' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-02-01 08:06:20 (2348): 
Command: VBoxManage -q snapshot "boinc_b24b815f8d06573f" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2026-02-01 08:06:20 (2348): 
Command: VBoxManage -q bandwidthctl "boinc_b24b815f8d06573f" remove "boinc_b24b815f8d06573f_net" 
Exit Code: 0
Output:

2026-02-01 08:06:20 (2348): 
Command: VBoxManage -q unregistervm "boinc_b24b815f8d06573f" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-02-01 08:06:27 (2348): called boinc_finish(-1073741819)

</stderr_txt>
]]>

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