Task 418730537

Name	Theory_2806-3698317-2678_2
Workunit	229717382
Created	9 Jan 2025, 22:21:08 UTC
Sent	9 Jan 2025, 22:23:57 UTC
Report deadline	20 Jan 2025, 22:23:57 UTC
Received	9 Jan 2025, 23:24:23 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	5 (0x00000005) Unknown error code
Computer ID	10805692
Run time	8 sec
CPU time
Validate state	Invalid
Credit	0.00
Device peak FLOPS	5.71 GFLOPS
Application version	Theory Simulation v300.50 (vbox64_theory) x86_64-apple-darwin
Peak working set size	3.48 MB
Peak swap size	391.88 GB
Peak disk usage	1.73 MB
Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
process exited with code 5 (0x5, -251)</message>
<stderr_txt>
2025-01-09 23:24:01 (59916): vboxwrapper version 26207
2025-01-09 23:24:01 (59916): BOINC client version: 8.0.2
2025-01-09 23:24:01 (59916): Detected: VirtualBox VboxManage Interface (Version: 7.1.4)
2025-01-09 23:24:01 (59916): Detected: Sandbox Configuration Enabled
2025-01-09 23:24:01 (59916): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2025-01-09 23:24:01 (59916): Successfully copied 'init_data.xml' to the shared directory.
2025-01-09 23:24:01 (59916): Successfully copied 'input' to the shared directory.
2025-01-09 23:24:01 (59916): Create VM. (boinc_548fa3e909639b20, slot#6)
2025-01-09 23:24:01 (59916): Setting Memory Size for VM. (630MB)
2025-01-09 23:24:01 (59916): Setting CPU Count for VM. (1)
2025-01-09 23:24:01 (59916): Setting Chipset Options for VM.
2025-01-09 23:24:01 (59916): Setting Graphics Controller Options for VM.
2025-01-09 23:24:01 (59916): Setting Boot Options for VM.
2025-01-09 23:24:01 (59916): Setting Network Configuration for NAT.
2025-01-09 23:24:01 (59916): Enabling VM Network Access.
2025-01-09 23:24:01 (59916): Disabling USB Support for VM.
2025-01-09 23:24:01 (59916): Disabling COM Port Support for VM.
2025-01-09 23:24:01 (59916): Disabling Audio Support for VM.
2025-01-09 23:24:02 (59916): Disabling Clipboard Support for VM.
2025-01-09 23:24:02 (59916): Disabling Drag and Drop Support for VM.
2025-01-09 23:24:02 (59916): Adding storage controller(s) to VM.
2025-01-09 23:24:02 (59916): Adding virtual disk drive to VM. (Theory_2024_05_03_prod.vdi)
2025-01-09 23:24:02 (59916): Adding VirtualBox Guest Additions to VM.
2025-01-09 23:24:02 (59916): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-01-09 23:24:02 (59916): forwarding host port 53460 to guest port 80
2025-01-09 23:24:02 (59916): Enabling remote desktop for VM.
2025-01-09 23:24:02 (59916): Required extension pack not installed, remote desktop not enabled.
2025-01-09 23:24:02 (59916): Enabling shared directory for VM.
2025-01-09 23:24:02 (59916): Starting VM using VBoxManage interface. (boinc_548fa3e909639b20, slot#6)
2025-01-09 23:24:02 (59916): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_548fa3e909639b20" --type headless
Output:
VBoxManage: error: The VM session was aborted
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component SessionMachine, interface ISession
Waiting for VM "boinc_548fa3e909639b20" to power on...

2025-01-09 23:24:02 (59916): VM failed to start.
2025-01-09 23:24:02 (59916): Could not start 
2025-01-09 23:24:02 (59916): ERROR: VM failed to start
2025-01-09 23:24:02 (59916): Powering off VM.
2025-01-09 23:24:02 (59916): Deregistering VM. (boinc_548fa3e909639b20, slot#6)
2025-01-09 23:24:02 (59916): Removing network bandwidth throttle group from VM.
2025-01-09 23:24:03 (59916): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:01.202427 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.246468 DCon02   Platform architecture set to 'x86'
00:00:01.248659 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.249327 DCon02   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.250348 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.250649 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.252140 DCon02   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.252880 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.253192 DCon02   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.253915 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.297418 DCon03   Platform architecture set to 'x86'
00:00:01.299717 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.302309 DCon03   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.302691 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.303633 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.303897 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.304648 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.304983 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.305883 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.348635 DCon03   Platform architecture set to 'x86'
00:00:01.350523 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.351407 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.397313 DCon03   Platform architecture set to 'x86'
00:00:01.399420 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.400308 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.485300 DCon03   Platform architecture set to 'x86'
00:00:01.486743 DCon02   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.487698 DCon02   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.532189 DCon02   Platform architecture set to 'x86'
00:00:01.534127 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={&#197;&#131;o extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0
00:00:01.549188 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.549504 DCon02   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:01.561419 DCon02   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:01.563303 DCon02   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:01.609060 DCon02   Launched VM: 32146704 pid: 59987 (0xea53) frontend: headless name: boinc_548fa3e909639b20
00:00:01.633098 DCon03   Platform architecture set to 'x86'
00:00:01.635613 DCon03   ERROR [COM]: aRC=VBOX_E_VM_ERROR (0x80bb0003) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={Failed to assign the machine to the session (VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED)}, preserve=false aResultDetail=0
00:00:01.635919 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.636812 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.684077 DCon02   Platform architecture set to 'x86'
00:00:01.684816 Watcher  Reaper: Pid 59987 (0xea53) exited normally: 1 (0x1)
00:00:01.685236 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:01.727276 DCon03   Platform architecture set to 'x86'
00:00:01.729063 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox" with version "1.19-macosx"
00:00:01.730165 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox"
00:00:01.774540 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.775504 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.775571 DCon03   Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.776303 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"
00:00:01.777154 DeleteVM Saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml" with version "1.12-macosx"
00:00:01.778180 DeleteVM Finished saving settings file "/Library/Application Support/BOINC Data/projects/virtualbox/VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

VBoxManage: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 3212 of file VBoxManageInfo.cpp

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q createvm --name "boinc_548fa3e909639b20" --basefolder "/Library/Application Support/BOINC Data/slots/6" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_548fa3e909639b20' is created and registered.
UUID: 9e5aca62-4b23-41c8-bca3-028641582c8b
Settings file: '/Library/Application Support/BOINC Data/slots/6/boinc_548fa3e909639b20/boinc_548fa3e909639b20.vbox'

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --description "Theory_2806-3698317-2678_2" 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --memory 630 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --cpus 1 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --acpi on --ioapic on --rtcuseutc on 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --cableconnected1 on 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --usb off 
Exit Code: 0
Output:

2025-01-09 23:24:01 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --audio-enabled off 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --clipboard disabled 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --draganddrop disabled 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storagectl "boinc_548fa3e909639b20" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           088a56fe-9ca1-4a9e-ac6f-55fc3c5a4cc4
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storageattach "boinc_548fa3e909639b20" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.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 786 of file VBoxManageStorageController.cpp

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           088a56fe-9ca1-4a9e-ac6f-55fc3c5a4cc4
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q closemedium disk "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           088a56fe-9ca1-4a9e-ac6f-55fc3c5a4cc4
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storageattach "boinc_548fa3e909639b20" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storageattach "boinc_548fa3e909639b20" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storageattach "boinc_548fa3e909639b20" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2024_05_03_prod.vdi" 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q storageattach "boinc_548fa3e909639b20" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "/Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q bandwidthctl "boinc_548fa3e909639b20" add "boinc_548fa3e909639b20_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q modifyvm "boinc_548fa3e909639b20" --natpf1 ",tcp,127.0.0.1,53460,,80" 
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q sharedfolder add "boinc_548fa3e909639b20" --name "shared" --hostpath "/Library/Application Support/BOINC Data/slots/6/shared"
Exit Code: 0
Output:

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q startvm "boinc_548fa3e909639b20" --type headless
Exit Code: -2147467259
Output:
VBoxManage: error: The VM session was aborted
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component SessionMachine, interface ISession
Waiting for VM "boinc_548fa3e909639b20" to power on...

2025-01-09 23:24:02 (59916): 
Command: VBoxManage -q snapshot "boinc_548fa3e909639b20" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2025-01-09 23:24:03 (59916): 
Command: VBoxManage -q bandwidthctl "boinc_548fa3e909639b20" remove "boinc_548fa3e909639b20_net" 
Exit Code: 0
Output:

2025-01-09 23:24:03 (59916): 
Command: VBoxManage -q unregistervm "boinc_548fa3e909639b20" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-01-09 23:24:08 (59916): called boinc_finish(-2147467259)

</stderr_txt>
]]>
LHC@home

Stderr output
