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Hi guys,

Hope you can help with the following problem. I cannot start any Qemu image in my EVE-NG Pro anymore. I've upgraded to the latest V5 version a few weeks ago according to the instructions and could start any qemu image just fine. Without any (soft/hardware) change in the meantime, it doesn't work anymore. When I start the node, it stops without an error in the GUI. I shut down my server occasionally.

Tasks already performed:
- Rebooted the server
- Ran fixpermissions

Below some logs:
root@eve-ng:~# tail -f /opt/unetlab/data/Logs/unl_wrapper.txt
PHP Warning: yaml_parse_file(): parsing error encountered during parsing: did not find expected key (line 35, column 1), context while parsing a block mapping (line 27, column 1) in /opt/unetlab/html/includes/init.php on line 171
Jun 27 17:21:49 Jun 27 17:21:49 Online Check state: Valid
Jun 27 17:21:49 Jun 27 17:21:49 ERROR: sat=0
Jun 27 17:21:50 Jun 27 17:21:50 LOG: will start node 1 0 300 1 40617
Jun 27 17:21:50 INFO: tunctl -u 33793 -g root -t vun001000000100 2>&1
Jun 27 17:21:50 INFO: sysctl -w net.ipv6.conf.vun001000000100.disable_ipv6=1
Jun 27 17:21:50 INFO: vun001000000100 -> 0,0,0,0
Jun 27 17:21:50 LOG: exec : sysctl -w net.ipv6.conf.vnet0010000001f.disable_ipv6=1
Jun 27 17:21:50 LOG: exec : sysctl -w net.ipv6.conf.vun001000000100.disable_ipv6=1
Jun 27 17:21:50 LOG: exec : brctl addif vnet0010000001f vun001000000100 2>&1
sh: 1: ovs-vsctl: not found
Jun 27 17:21:50 INFO: tunctl -u 33793 -g root -t vun001000000101 2>&1
Jun 27 17:21:50 INFO: sysctl -w net.ipv6.conf.vun001000000101.disable_ipv6=1
Jun 27 17:21:50 INFO: vun001000000101 -> 0,0,0,0
Jun 27 17:21:50 LOG: exec : sysctl -w net.ipv6.conf.vnet00100000007.disable_ipv6=1
Jun 27 17:21:50 LOG: exec : sysctl -w net.ipv6.conf.vun001000000101.disable_ipv6=1
Jun 27 17:21:50 LOG: exec : brctl addif vnet00100000007 vun001000000101 2>&1
sh: 1: ovs-vsctl: not found
Jun 27 17:21:50 ERROR: QEMU Arch is not set (80015).
Jun 27 17:21:50 cmd = mountpoint -q /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/jail || mount -B -o ro /opt/unetlab/jail /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/jail
Jun 27 17:21:50 cmd = for i in /opt/qemu-*; do ( mountpoint -q /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/$i || mount -B -o ro $i /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/$i ) ; done
Jun 27 17:21:50 cmd = mountpoint -q /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/opt/unetlab/addons/qemu || mount -B -o ro /opt/unetlab/addons/qemu /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/opt/unetlab/addons/qemu
Jun 27 17:21:50 INFO: CWD is /opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1
Jun 27 17:21:50 INFO: starting /opt/unetlab/wrappers/qemu_wrapper -C 40617 -T 0 -D 1 -t "vMan01" -F /opt/qemu-2.12.0/bin/qemu-system-x86_64 -d 0 -- -nographic -device virtio-net-pci,netdev=net0,mac=50:00:00:01:00:00 -netdev tap,id=net0,ifname=vun001000000100,script=no -device virtio-net-pci,netdev=net1,mac=50:00:00:01:00:01 -netdev tap,id=net1,ifname=vun001000000101,script=no -smp 4 -m 32768 -name vMan01 -uuid 9f287119-07a7-4e49-945c-7929d7d27017 -qmp unix:./qmp-sock,server,nowait -monitor unix:./mon-sock,server,nowait -monitor unix:./mon2-sock,server,nowait -drive file=virtioa.qcow2,if=virtio,bus=0,unit=0,cache=none -drive file=virtiob.qcow2,if=virtio,bus=0,unit=1,cache=none -machine type=pc,accel=kvm -cpu host -vga std -usbdevice tablet -boot order=dc -cpu host
Jun 27 17:21:50 INFO: starting sudo systemd-run -G --no-block --property=ExecStopPost=/opt/unetlab/go/eve-clean --property=Environment=WDIR="/opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1" --property=Environment=TYPE="qemu" --property=WorkingDirectory=/opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1 --service-type=simple --uid=0 --gid=32768 --unit=eveng_0@dd5d4456-f166-4d85-8313-c9cff32f6e96@1 /opt/unetlab/wrappers/qemu_wrapper -C 40617 -T 0 -D 1 -t "vMan01" -F /opt/qemu-2.12.0/bin/qemu-system-x86_64 -d 0 -- -nographic -device virtio-net-pci,netdev=net0,mac=50:00:00:01:00:00 -netdev tap,id=net0,ifname=vun001000000100,script=no -device virtio-net-pci,netdev=net1,mac=50:00:00:01:00:01 -netdev tap,id=net1,ifname=vun001000000101,script=no -smp 4 -m 32768 -name vMan01 -uuid 9f287119-07a7-4e49-945c-7929d7d27017 -qmp unix:./qmp-sock,server,nowait -monitor unix:./mon-sock,server,nowait -monitor unix:./mon2-sock,server,nowait -drive file=virtioa.qcow2,if=virtio,bus=0,unit=0,cache=none -drive file=virtiob.qcow2,if=virtio,bus=0,unit=1,cache=none -machine type=pc,accel=kvm -cpu host -vga std -usbdevice tablet -boot order=dc -cpu host
Running as unit: eveng_0@dd5d4456-f166-4d85-8313-c9cff32f6e96@1.service
Jun 27 17:21:50 INFO: starting systemctl show --property MainPID --value eveng_0@dd5d4456-f166-4d85-8313-c9cff32f6e96@1
Jun 27 17:21:50 INFO: started process is 153672
PHP Warning: unlink(/opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/l1down_0): No such file or directory in /opt/unetlab/wrappers/unl_wrapper on line 1174
Jun 27 17:21:50 INFO: vun001000000100 -> 0,0,0,0
PHP Warning: unlink(/opt/unetlab/tmp/0/dd5d4456-f166-4d85-8313-c9cff32f6e96/1/l1down_1): No such file or directory in /opt/unetlab/wrappers/unl_wrapper on line 1174
Jun 27 17:21:50 INFO: vun001000000101 -> 0,0,0,0
Jun 27 17:21:50 Jun 27 17:21:50 ERROR: node 1


root@eve-ng:~# kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used

Ok, I'm just going to pretend I did not see that reply.
After many reboots, it did not solve the issue. But...
After turning my server off the past few days and turning it on again, the Qemu images load normally.

The issue was that I could not start any of my qemu-based images. IOL works perfectly during the time of the issue. Also after upgrading to V5 (somewhere 4 weeks ago) the qemu-based images worked perfectly, just not in the past weekend!

Cisit eve live help desk chat
https://www.eve-ng.net/index.php/live-helpdesk/

your fix is