Task 10991665
| Name | 08395888_05_0 |
| Workunit | 8532353 |
| Created | 7 Jul 2021, 16:51:10 UTC |
| Sent | 8 Jul 2021, 20:02:27 UTC |
| Report deadline | 13 Jul 2021, 20:02:27 UTC |
| Received | 8 Jul 2021, 21:06:08 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x00000000) |
| Computer ID | 5018 |
| Run time | 3 min 35 sec |
| CPU time | 2 min 11 sec |
| Validate state | Valid |
| Credit | 1.14 |
| Device peak FLOPS | 1.74 GFLOPS |
| Application version | boinc2docker v1.14 (vbox64_mt) windows_x86_64 |
| Peak working set size | 69.87 MB |
| Peak swap size | 67.85 MB |
| Peak disk usage | 227.37 MB |
Stderr output
<core_client_version>7.16.11</core_client_version>
<![CDATA[
<stderr_txt>
2021-07-08 22:52:31 (6048): Detected: vboxwrapper 26202
2021-07-08 22:52:31 (6048): Detected: BOINC client v7.16.11
2021-07-08 22:52:33 (6048): Detected: VirtualBox VboxManage Interface (Version: 6.1.10)
2021-07-08 22:52:34 (6048): Create VM. (boinc_455ad17340224b3b, slot#1)
2021-07-08 22:52:34 (6048): Updating drive controller type and model for desired configuration.
2021-07-08 22:52:35 (6048): Setting Memory Size for VM. (3072MB)
2021-07-08 22:52:35 (6048): Setting CPU Count for VM. (1)
2021-07-08 22:52:35 (6048): Setting Chipset Options for VM.
2021-07-08 22:52:36 (6048): Setting Boot Options for VM.
2021-07-08 22:52:36 (6048): Setting Network Configuration for NAT.
2021-07-08 22:52:37 (6048): Enabling VM Network Access.
2021-07-08 22:52:37 (6048): Disabling USB Support for VM.
2021-07-08 22:52:37 (6048): Disabling COM Port Support for VM.
2021-07-08 22:52:38 (6048): Disabling LPT Port Support for VM.
2021-07-08 22:52:38 (6048): Disabling Audio Support for VM.
2021-07-08 22:52:38 (6048): Disabling Clipboard Support for VM.
2021-07-08 22:52:39 (6048): Disabling Drag and Drop Support for VM.
2021-07-08 22:52:39 (6048): Adding storage controller(s) to VM.
2021-07-08 22:52:39 (6048): Adding virtual ISO 9660 disk drive to VM. (vm_isocontext.iso)
2021-07-08 22:52:40 (6048): Adding VirtualBox Guest Additions to VM.
2021-07-08 22:52:40 (6048): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2021-07-08 22:52:41 (6048): Enabling shared directory for VM.
2021-07-08 22:52:41 (6048): Starting VM using VBoxManage interface. (boinc_455ad17340224b3b, slot#1)
2021-07-08 22:52:49 (6048): Successfully started VM. (PID = '8032')
2021-07-08 22:52:49 (6048): Reporting VM Process ID to BOINC.
2021-07-08 22:52:49 (6048): Guest Log: BIOS: VirtualBox 6.1.10
2021-07-08 22:52:49 (6048): Guest Log: CPUID EDX: 0x178bfbff
2021-07-08 22:52:49 (6048): Guest Log: BIOS: No PCI IDE controller, not probing IDE
2021-07-08 22:52:49 (6048): VM state change detected. (old = 'poweredoff', new = 'running')
2021-07-08 22:52:49 (6048): Preference change detected
2021-07-08 22:52:49 (6048): Setting CPU throttle for VM. (60%)
2021-07-08 22:52:49 (6048): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 60 seconds) or (Vbox_job.xml: 600 seconds))
2021-07-08 22:52:51 (6048): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2021-07-08 22:52:51 (6048): Guest Log: int13_harddisk: function 02, unmapped device for ELDL=80
2021-07-08 22:52:51 (6048): Guest Log: BIOS: Boot from Hard Disk 0 failed
2021-07-08 22:52:51 (6048): Guest Log: BIOS: Boot : bseqnr=2, bootseq=0003
2021-07-08 22:52:51 (6048): Guest Log: BIOS: Booting from CD-ROM...
2021-07-08 22:52:53 (6048): Guest Log: BIOS: KBD: unsupported int 16h function 03
2021-07-08 22:52:53 (6048): Guest Log: BIOS: AX=0305 BX=0000 CX=0000 DX=0000
2021-07-08 22:53:22 (6048): Guest Log: net.ipv4.ip_forward = 1
2021-07-08 22:53:22 (6048): Guest Log: sysctl: cannot stat /proc/sys/net/ipv6/conf/all/forwarding: No such file or directory
2021-07-08 22:53:22 (6048): Guest Log: sysctl: setting key "cannot stat %s": No such file or directory
2021-07-08 22:53:22 (6048): Guest Log: sysctl: "cannot stat %s" is an unknown key
2021-07-08 22:53:22 (6048): Guest Log: sysctl: setting key "cannot stat %s": No such file or directory
2021-07-08 22:53:22 (6048): Guest Log: Segmentation fault
2021-07-08 22:53:22 (6048): Guest Log: automount ...
2021-07-08 22:53:22 (6048): Guest Log: Is the disk unpartitioned?, test for the 'boot2docker format-me' string
2021-07-08 22:53:22 (6048): Guest Log: automount over.
2021-07-08 22:53:22 (6048): Guest Log: [1;32mSetting hostname to [1;35mboot2docker[0;39m [1;32mDone.[0;39m
2021-07-08 22:53:22 (6048): Guest Log: Thu Jul 8 22:53:20 UTC 2021 dhcp -------------------------------
2021-07-08 22:53:23 (6048): Guest Log: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
2021-07-08 22:53:23 (6048): Guest Log: vboxguest: misc device minor 56, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
2021-07-08 22:53:27 (6048): Guest Log: udevadm settle - timeout of 5 seconds reached, the event queue contains:
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0700:00 (1079)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00 (1302)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXCPU:00 (1303)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXPWRBN:00 (1304)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 (1305)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0/event0 (1306)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSLPBN:00 (1307)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 (1308)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSLPBN:00/input/input1/event1 (1309)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00 (1310)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00 (1311)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/ACPI0003:00 (1312)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/ACPI0003:00/power_supply/AC (1313)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00 (1314)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/device:03 (1315)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/input/input5 (1316)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/input/input5/event4 (1317)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0400:00 (1318)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0400:01 (1319)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0501:00 (1320)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0501:01 (1321)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0501:02 (1322)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0501:03 (1323)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0C02:00 (1324)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0C0A:00 (1325)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0C0A:00/power_supply/BAT0 (1326)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP8390:00 (1327)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00 (1328)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/APP0001:00 (1329)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0000:00 (1330)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0100:00 (1331)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0103:00 (1332)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0200:00 (1333)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0303:00 (1334)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0700:00 (1335)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0B00:00 (1336)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0F03:00 (1337)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01 (1338)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/device:02 (1339)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:04 (1340)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:00 (1341)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:01 (1342)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:02 (1343)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:03 (1344)
2021-07-08 22:53:27 (6048): Guest Log: /sys/devices/LNXSYSTM:00/LNXSYBUS:01 (1345)
2021-07-08 22:53:28 (6048): Guest Log: Thu Jul 8 22:53:26 UTC 2021 dhcp -------------------------------
2021-07-08 22:53:28 (6048): Guest Log: VBoxService 5.0.16 r105871 (verbosity: 0) linux.amd64 (Mar 4 2016 17:38:55) release log
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.000124 main Log opened 2021-07-08T22:53:26.472868000Z
2021-07-08 22:53:28 (6048): Guest Log: VBoxService 5.0.16 r105871 (verbosity: 0) linux.amd64 (Mar 4 2016 17:38:55) release log
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.000124 main 00:00:00.003665 main OS Product: Linux
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003737 main OS Release: 4.1.19-boot2docker
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003798 main OS Version: #1 SMP Sun Apr 17 19:40:54 UTC 2016
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003857 main Executable: /sbin/VBoxService
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003859 main Process ID: 850
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003860 main Package type: LINUX_64BITS_GENERIC
2021-07-08 22:53:28 (6048): Guest Log: Log opened 2021-07-08T22:53:26.472868000Z
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003665 main OS Product: Linux
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003737 main OS Release: 4.1.19-boot2docker
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003798 main OS Version: #1 SMP Sun Apr 17 19:40:54 UTC 2016
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003857 main Executable: /sbin/VBoxService
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003859 main Proc00:00:00.015080 main 5.0.16 r105871 started. Verbose level = 0
2021-07-08 22:53:28 (6048): Guest Log: ess ID: 850
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.003860 main Package type: LINUX_64BITS_GENERIC
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.015080 main 5.0.16 r105871 started. Verbose level = 0
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.024082 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
2021-07-08 22:53:28 (6048): Guest Log: 00:00:00.024220 vminfo Error: Unable to connect to system D-Bus (1/3): D-Bus not installed
2021-07-08 22:53:29 (6048): Guest Log: Mounting BOINC shared/...
2021-07-08 22:53:29 (6048): Guest Log: -------------------
2021-07-08 22:53:29 (6048): Guest Log: Thu Jul 8 20:53:28 UTC 2021
2021-07-08 22:53:33 (6048): Guest Log: 00:00:05.026012 vminfo Error: Unable to connect to system D-Bus (2/3): D-Bus not installed
2021-07-08 22:53:34 (6048): Guest Log: Thu Jul 8 20:53:34 UTC 2021
2021-07-08 22:53:34 (6048): Guest Log: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
2021-07-08 22:53:34 (6048): Guest Log: link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2021-07-08 22:53:34 (6048): Guest Log: inet 127.0.0.1/8 scope host lo
2021-07-08 22:53:34 (6048): Guest Log: valid_lft forever preferred_lft forever
2021-07-08 22:53:34 (6048): Guest Log: inet6 ::1/128 scope host
2021-07-08 22:53:34 (6048): Guest Log: valid_lft forever preferred_lft forever
2021-07-08 22:53:34 (6048): Guest Log: 2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default
2021-07-08 22:53:34 (6048): Guest Log: link/ether de:56:b0:20:0d:c4 brd ff:ff:ff:ff:ff:ff
2021-07-08 22:53:34 (6048): Guest Log: 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
2021-07-08 22:53:34 (6048): Guest Log: link/ether 08:00:27:64:26:5b brd ff:ff:ff:ff:ff:ff
2021-07-08 22:53:34 (6048): Guest Log: inet 10.0.2.15/24 brd 10.0.2.255 scope global eth0
2021-07-08 22:53:34 (6048): Guest Log: valid_lft forever preferred_lft forever
2021-07-08 22:53:34 (6048): Guest Log: inet6 fe80::a00:27ff:fe64:265b/64 scope link
2021-07-08 22:53:34 (6048): Guest Log: valid_lft forever preferred_lft forever
2021-07-08 22:53:34 (6048): Guest Log: -------------------
2021-07-08 22:53:34 (6048): Guest Log: Linking /etc/docker to /var/lib/boot2docker for persistence
2021-07-08 22:53:34 (6048): Guest Log: Waiting for Docker daemon to start...
2021-07-08 22:53:35 (6048): Guest Log: REPOSITORY TAG IMAGE ID CREATED SIZE
2021-07-08 22:53:35 (6048): Guest Log: Running boinc_app...
2021-07-08 22:53:35 (6048): Guest Log: Importing Docker image from BOINC...
2021-07-08 22:53:35 (6048): Guest Log: Filesystem Size Used Available Use% Mounted on
2021-07-08 22:53:35 (6048): Guest Log: tmpfs 2.6G 164.2M 2.5G 6% /
2021-07-08 22:53:35 (6048): Guest Log: tmpfs 1.5G 0 1.5G 0% /dev/shm
2021-07-08 22:53:35 (6048): Guest Log: cgroup 1.5G 0 1.5G 0% /sys/fs/cgroup
2021-07-08 22:53:35 (6048): Guest Log: shared 97.7G 92.0G 5.7G 94% /root/shared
2021-07-08 22:53:35 (6048): Guest Log: tmpfs 2.6G 164.2M 2.5G 6% /var/lib/docker/aufs
2021-07-08 22:53:38 (6048): Guest Log: 00:00:10.034758 vminfo Error: Unable to connect to system D-Bus (3/3): D-Bus not installed
2021-07-08 22:54:09 (6048): Guest Log: doing docker load...
2021-07-08 22:54:49 (6048): Guest Log: Filesystem Size Used Available Use% Mounted on
2021-07-08 22:54:49 (6048): Guest Log: tmpfs 2.6G 631.9M 2.0G 23% /
2021-07-08 22:54:49 (6048): Guest Log: tmpfs 1.5G 0 1.5G 0% /dev/shm
2021-07-08 22:54:49 (6048): Guest Log: cgroup 1.5G 0 1.5G 0% /sys/fs/cgroup
2021-07-08 22:54:49 (6048): Guest Log: shared 97.7G 91.8G 5.8G 94% /root/shared
2021-07-08 22:54:49 (6048): Guest Log: tmpfs 2.6G 631.9M 2.0G 23% /var/lib/docker/aufs
2021-07-08 22:54:49 (6048): Guest Log: total used free shared buff/cache available
2021-07-08 22:54:49 (6048): Guest Log: Mem: 3007 48 2290 631 669 2290
2021-07-08 22:54:49 (6048): Guest Log: Swap: 701 0 701
2021-07-08 22:54:49 (6048): Guest Log: Building apps directory...
2021-07-08 22:55:18 (6048): Guest Log: Prerun diagnostics...
2021-07-08 22:55:18 (6048): Guest Log: REPOSITORY TAG IMAGE ID CREATED SIZE
2021-07-08 22:55:18 (6048): Guest Log: nanohub_apps_base 11 42db2bf7db3d 3 years ago 458.1 MB
2021-07-08 22:55:18 (6048): Guest Log: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2021-07-08 22:55:18 (6048): Guest Log: 467.8M /var/lib/docker
2021-07-08 22:55:18 (6048): Guest Log: total used free shared buff/cache available
2021-07-08 22:55:18 (6048): Guest Log: Mem: 3007 48 2287 631 670 2288
2021-07-08 22:55:18 (6048): Guest Log: Swap: 701 0 701
2021-07-08 22:55:18 (6048): Guest Log: Filesystem Size Used Available Use% Mounted on
2021-07-08 22:55:18 (6048): Guest Log: tmpfs 2.6G 631.9M 2.0G 23% /
2021-07-08 22:55:18 (6048): Guest Log: tmpfs 1.5G 0 1.5G 0% /dev/shm
2021-07-08 22:55:18 (6048): Guest Log: cgroup 1.5G 0 1.5G 0% /sys/fs/cgroup
2021-07-08 22:55:18 (6048): Guest Log: shared 97.7G 91.9G 5.8G 94% /root/shared
2021-07-08 22:55:18 (6048): Guest Log: tmpfs 2.6G 631.9M 2.0G 23% /var/lib/docker/aufs
2021-07-08 22:55:18 (6048): Guest Log: Running...
2021-07-08 22:55:18 (6048): Guest Log: 08395888_05.boinc
2021-07-08 22:55:18 (6048): Guest Log: 08395888_05.sh
2021-07-08 22:55:57 (6048): Guest Log: boinc_app exited (0)
2021-07-08 22:55:57 (6048): Guest Log: Saving results...
2021-07-08 22:55:57 (6048): Guest Log: 08395888_05_output.tar.gz
2021-07-08 22:55:57 (6048): VM Completion File Detected.
2021-07-08 22:55:57 (6048): Powering off VM.
2021-07-08 22:55:58 (6048): Successfully stopped VM.
2021-07-08 22:55:58 (6048): Deregistering VM. (boinc_455ad17340224b3b, slot#1)
2021-07-08 22:55:58 (6048): Removing network bandwidth throttle group from VM.
2021-07-08 22:55:58 (6048): Removing VM from VirtualBox.
2021-07-08 22:55:59 (6048): Removing virtual ISO 9660 disk from VirtualBox.
22:56:04 (6048): called boinc_finish(0)
</stderr_txt>
]]>
©2024 COPYRIGHT 2017-2018 NCN