On Tue, Oct 8, 2013 at 10:40 AM, Dan Kenigsberg wrote:
But migration still fails
It seems like an unrelated failure. I do not know what's blocking migration traffic. Could you see if libvirtd.log and qemu logs at source and destinaiton have clues?
It seems that on VM.log under qemu of desdt host I have: ... -incoming tcp:[::]:49153: Failed to bind socket: Address already in use See all: - In libvirtd.log of source host 2013-10-07 23:20:54.471+0000: 1209: debug : qemuMonitorOpenInternal:751 : QEMU_MONITOR_NEW: mon=0x7fc66412e820 refs=2 fd=30 2013-10-07 23:20:54.472+0000: 1209: warning : qemuDomainObjEnterMonitorInternal:1136 : This thread seems to be the async job owner; entering monitor without asking for a nested job is dangerous 2013-10-07 23:20:54.472+0000: 1209: debug : qemuMonitorSetCapabilities:1145 : mon=0x7fc66412e820 2013-10-07 23:20:54.472+0000: 1209: debug : qemuMonitorSend:887 : QEMU_MONITOR_SEND_MSG: mon=0x7fc66412e820 msg={"execute":"qmp_capabilities","id":"libvirt-1"} fd=-1 2013-10-07 23:20:54.769+0000: 1199: error : qemuMonitorIORead:505 : Unable to read from monitor: Connection reset by peer 2013-10-07 23:20:54.769+0000: 1199: debug : qemuMonitorIO:638 : Error on monitor Unable to read from monitor: Connection reset by peer 2013-10-07 23:20:54.769+0000: 1199: debug : qemuMonitorIO:672 : Triggering error callback 2013-10-07 23:20:54.769+0000: 1199: debug : qemuProcessHandleMonitorError:351 : Received error on 0x7fc664124fb0 'c8again32' 2013-10-07 23:20:54.769+0000: 1209: debug : qemuMonitorSend:899 : Send command resulted in error Unable to read from monitor: Connection reset by peer 2013-10-07 23:20:54.770+0000: 1199: debug : qemuMonitorIO:638 : Error on monitor Unable to read from monitor: Connection reset by peer 2013-10-07 23:20:54.770+0000: 1209: debug : virFileMakePathHelper:1283 : path=/var/run/libvirt/qemu mode=0777 2013-10-07 23:20:54.770+0000: 1199: debug : qemuMonitorIO:661 : Triggering EOF callback 2013-10-07 23:20:54.770+0000: 1199: debug : qemuProcessHandleMonitorEOF:294 : Received EOF on 0x7fc664124fb0 'c8again32' 2013-10-07 23:20:54.770+0000: 1209: debug : qemuProcessStop:3992 : Shutting down VM 'c8again32' pid=18053 flags=0 2013-10-07 23:20:54.771+0000: 1209: error : virNWFilterDHCPSnoopEnd:2135 : internal error ifname "vnet0" not in key map 2013-10-07 23:20:54.782+0000: 1209: debug : virCommandRunAsync:2251 : About to run /bin/sh -c 'IPT="/usr/sbin/iptables" $IPT -D libvirt-out -m physdev --physdev-is-bridged --physdev-out vnet0 -g FO-vnet0 $IPT -D libvirt-out -m physdev --physdev-out vnet0 -g FO-vnet0 $IPT -D libvirt-in -m physdev --physdev-in vnet0 -g FI-vnet0 $IPT -D libvirt-host-in -m physdev --physdev-in vnet0 -g HI-vnet0 $IPT -D libvirt-in-post -m physdev --physdev-in vnet0 -j ACCEPT $IPT -F FO-vnet0 $IPT -X FO-vnet0 $IPT -F FI-vnet0 $IPT -X FI-vnet0 $IPT -F HI-vnet0 $IPT -X HI-vnet0 IPT="/usr/sbin/ip6tables" $IPT -D libvirt-out -m physdev --physdev-is-bridged --physdev-out vnet0 -g FO-vnet0 $IPT -D libvirt-out -m physdev --physdev-out vnet0 -g FO-vnet0 $IPT -D libvirt-in -m physdev --physdev-in vnet0 -g FI-vnet0 $IPT -D libvirt-host-in -m physdev --physdev-in vnet0 -g HI-vnet0 $IPT -D libvirt-in-post -m physdev --physdev-in vnet0 -j ACCEPT $IPT -F FO-vnet0 $IPT -X FO-vnet0 $IPT -F FI-vnet0 $IPT -X FI-vnet0 $IPT -F HI-vnet0 $IPT -X HI-vnet0 EBT="/usr/sbin/ebtables" $EBT -t nat -D PREROUTING -i vnet0 -j libvirt-I-vnet0 $EBT -t nat -D POSTROUTING -o vnet0 -j libvirt-O-vnet0 EBT="/usr/sbin/ebtables" collect_chains() { for tmp2 in $*; do for tmp in $($EBT -t nat -L $tmp2 | \ sed -n "/Bridge chain/,\$ s/.*-j \\([IO]-.*\\)/\\1/p"); do echo $tmp collect_chains $tmp done done } rm_chains() { for tmp in $*; do $EBT -t nat -F $tmp; done for tmp in $*; do $EBT -t nat -X $tmp; done } tmp='\'' '\'' IFS='\'' '\'''\'' '\''$tmp chains="$(collect_chains libvirt-I-vnet0 libvirt-O-vnet0)" $EBT -t nat -F libvirt-I-vnet0 $EBT -t nat -F libvirt-O-vnet0 rm_chains $chains $EBT -t nat -F libvirt-I-vnet0 $EBT -t nat -X libvirt-I-vnet0 $EBT -t nat -F libvirt-O-vnet0 $EBT -t nat -X libvirt-O-vnet0 ' 2013-10-07 23:20:54.784+0000: 1209: debug : virCommandRunAsync:2256 : Command result 0, with PID 18076 2013-10-07 23:20:54.863+0000: 1209: debug : virCommandRun:2125 : Result exit status 255, stdout: '' stderr: 'iptables v1.4.18: goto 'FO-vnet0' is not a chain Try `iptables -h' or 'iptables --help' for more information. iptables v1.4.18: goto 'FO-vnet0' is not a chain Try `iptables -h' or 'iptables --help' for more information. iptables v1.4.18: goto 'FI-vnet0' is not a chain Try `iptables -h' or 'iptables --help' for more information. iptables v1.4.18: goto 'HI-vnet0' is not a chain Try `iptables -h' or 'iptables --help' for more information. iptables: Bad rule (does a matching rule exist in that chain?). iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. ip6tables v1.4.18: goto 'FO-vnet0' is not a chain Try `ip6tables -h' or 'ip6tables --help' for more information. ip6tables v1.4.18: goto 'FO-vnet0' is not a chain Try `ip6tables -h' or 'ip6tables --help' for more information. ip6tables v1.4.18: goto 'FI-vnet0' is not a chain Try `ip6tables -h' or 'ip6tables --help' for more information. ip6tables v1.4.18: goto 'HI-vnet0' is not a chain Try `ip6tables -h' or 'ip6tables --help' for more information. ip6tables: Bad rule (does a matching rule exist in that chain?). ip6tables: No chain/target/match by that name. ip6tables: No chain/target/match by that name. ip6tables: No chain/target/match by that name. ip6tables: No chain/target/match by that name. ip6tables: No chain/target/match by that name. ip6tables: No chain/target/match by that name. Illegal target name 'libvirt-O-vnet0'. Chain 'libvirt-O-vnet0' doesn't exist. Chain 'libvirt-O-vnet0' doesn't exist. Chain 'libvirt-O-vnet0' doesn't exist. Chain 'libvirt-O-vnet0' doesn't exist. ' 2013-10-07 23:20:54.863+0000: 1209: debug : qemuMonitorClose:821 : QEMU_MONITOR_CLOSE: mon=0x7fc66412e820 refs=2 2013-10-07 23:20:54.863+0000: 1209: debug : qemuProcessKill:3951 : vm=c8again32 pid=18053 flags=5 2013-10-07 23:20:54.863+0000: 1209: debug : virProcessKillPainfully:269 : vpid=18053 force=1 2013-10-07 23:20:54.863+0000: 1209: debug : qemuDomainCleanupRun:2132 : driver=0x7fc664024cd0, vm=c8again32 2013-10-07 23:20:54.863+0000: 1209: debug : qemuProcessAutoDestroyRemove:4504 : vm=c8again32 2013-10-07 23:20:54.863+0000: 1209: debug : virQEMUCloseCallbacksUnset:744 : vm=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1, cb=0x7fc66b6fe570 2013-10-07 23:20:54.864+0000: 1209: error : virPortAllocatorRelease:174 : port 0 must be in range (5900, 65535) 2013-10-07 23:20:54.865+0000: 1209: debug : qemuDomainObjEndJob:1070 : Stopping job: none (async=migration in) 2013-10-07 23:20:54.865+0000: 1209: debug : qemuDomainObjEndAsyncJob:1088 : Stopping async job: migration in 2013-10-07 23:20:54.865+0000: 1199: debug : qemuProcessHandleMonitorEOF:306 : Domain 0x7fc664124fb0 is not active, ignoring EOF Caught Segmentation violation dumping internal log buffer: ====== start of log ===== - In destitnation host libvirtd.log 2013-10-07 23:20:53.970+0000: 1206: debug : virQEMUCloseCallbacksGet:786 : cb=(nil) 2013-10-07 23:20:53.970+0000: 1206: debug : qemuMigrationEatCookie:1058 : cookielen=0 cookie='(null)' 2013-10-07 23:20:53.971+0000: 1206: debug : qemuMigrationBakeCookie:1035 : cookielen=250 cookie=<qemu-migration> <name>c8again32</name> <uuid>d54660a2-45ed-41ae-ab99-a6f93ebbdbb1</uuid> <hostname>f18ovn03.mydomain</hostname> <hostuuid>4045b69a-5dae-4218-ad2b-7911a2c368d9</hostuuid> <feature name='lockstate'/> </qemu-migration> 2013-10-07 23:20:53.975+0000: 1206: debug : qemuDomainDefFormatBuf:1353 : Removing default USB controller from domain 'c8again32' for migration compatibility 2013-10-07 23:20:53.975+0000: 1206: debug : qemuDomainDefFormatBuf:1374 : Removing default 'pci-root' from domain 'c8again32' for migration compatibility 2013-10-07 23:20:53.975+0000: 1206: debug : doPeer2PeerMigrate3:3321 : Prepare3 0x7f41940015d0 2013-10-07 23:20:54.870+0000: 1206: error : virNetSocketReadWire:1373 : Cannot recv data: Input/output error 2013-10-07 23:20:54.870+0000: 1206: debug : virConnectClose:1494 : conn=0x7f41940015d0 2013-10-07 23:20:54.871+0000: 1206: error : virNetClientSendInternal:1965 : internal error client socket is closed 2013-10-07 23:20:54.871+0000: 1206: debug : qemuDomainObjEndAsyncJob:1088 : Stopping async job: migration out 2013-10-07 23:20:54.872+0000: 1206: debug : virFileMakePathHelper:1283 : path=/var/run/libvirt/qemu mode=0777 2013-10-07 23:20:54.872+0000: 1206: debug : virDomainFree:2326 : dom=0x7f4194190c10, (VM: name=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1) 2013-10-07 23:20:54.876+0000: 1204: debug : virDomainGetJobInfo:17503 : dom=0x7f418c009530, (VM: name=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1), info=0x7f41b0fe4b10 2013-10-07 23:20:54.876+0000: 1204: debug : virDomainFree:2326 : dom=0x7f418c009530, (VM: name=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1) 2013-10-07 23:20:54.992+0000: 1202: debug : virDomainGetXMLDesc:4384 : dom=0x7f41a03a7840, (VM: name=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1), flags=0 2013-10-07 23:20:54.992+0000: 1202: debug : virDomainFree:2326 : dom=0x7f41a03a7840, (VM: name=c8again32, uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1) 2013-10-07 23:20:59.574+0000: 1192: error : virNetSocketReadWire:1381 : End of file while reading data: Input/output error 2013-10-07 23:20:59.575+0000: 1192: debug : virConnectClose:1494 : conn=0x7f41a012eba0 2013-10-07 23:20:59.576+0000: 1192: debug : virQEMUCloseCallbacksRun:882 : conn=0x7f41a012eba0 2013-10-07 23:20:59.591+0000: 1192: error : virNetSocketReadWire:1381 : End of file while reading data: Input/output error 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=14 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=15 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=16 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=20 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=18 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=17 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectDomainEventDeregisterAny:17972 : conn=0x7f41a0231a70, callbackID=19 2013-10-07 23:20:59.592+0000: 1192: debug : virConnectClose:1494 : conn=0x7f41a0231a70 2013-10-07 23:20:59.593+0000: 1192: debug : virQEMUCloseCallbacksRun:882 : conn=0x7f41a0231a70 2013-10-07 23:21:00.587+0000: 1203: debug : virIdentitySetAttr:241 : ident=0x7f41980620d0 attribute=0 value=vdsm 2013-10-07 23:21:00.587+0000: 1203: debug : virIdentitySetAttr:241 : ident=0x7f41980620d0 attribute=1 value=kvm 2013-10-07 23:21:00.587+0000: 1203: debug : virIdentitySetAttr:241 : ident=0x7f41980620d0 attribute=2 value=12891 2013-10-07 23:21:00.587+0000: 1203: debug : virIdentitySetAttr:241 : ident=0x7f41980620d0 attribute=3 value=11193333 2013-10-07 23:21:00.587+0000: 1203: debug : virIdentitySetAttr:241 : ident=0x7f41980620d0 attribute=6 value=system_u:system_r:initrc_t:s0 2013-10-07 23:21:00.602+0000: 1207: debug : virConnectOpen:1376 : name=qemu:///system 2013-10-07 23:21:00.602+0000: 1207: debug : virConnectGetConfigFile:991 : Loading config file '/etc/libvirt/libvirt.conf' 2013-10-07 23:21:00.602+0000: 1207: debug : virConfReadFile:767 : filename=/etc/libvirt/libvirt.conf 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1165 : name "qemu:///system" to URI components: scheme qemu server (null) user (null) port 0 path /system 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 0 (Test) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 0 Test returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 1 (OPENVZ) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 1 OPENVZ returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 2 (VMWARE) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 2 VMWARE returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 3 (PHYP) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 3 PHYP returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 4 (VBOX) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 4 VBOX returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 5 (ESX) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 5 ESX returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 6 (Hyper-V) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 6 Hyper-V returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 7 (remote) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 7 remote returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 8 (Xen) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 8 Xen returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 9 (xenlight) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 9 xenlight returned DECLINED 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1211 : trying driver 10 (QEMU) ... 2013-10-07 23:21:00.602+0000: 1207: debug : do_open:1217 : driver 10 QEMU returned SUCCESS ... - In vm.log under qemu of source host 2013-10-07 23:17:56.249+0000: starting up LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=spice /usr/bin/qemu-kvm -name c8again32 -S -machine pc-1.0,accel=kvm,usb=off -cpu Opteron_G2 -m 1024 -smp 1,sockets=1,cores=1,threads=1 -uuid d54660a2-45ed-41ae-ab99-a6f93ebbdbb1 -smbios type=1,manufacturer=oVirt,product=oVirt Node,version=19-4,serial=34353439-3036-435A-4A38-303330393338,uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/c8again32.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=2013-10-07T23:16:01,driftfix=slew -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw,serial= -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=gluster://f18ovn01.mydomain/gvdata/d0b96d4a-62aa-4e9f-b50e-f7a0cb5be291/images/15f9ca1c-c435-4892-9eb7-0c84583b2a7d/a123801a-0a4d-4a47-a426-99d8480d2e49,if=none,id=drive-virtio-disk0,format=raw,serial=15f9ca1c-c435-4892-9eb7-0c84583b2a7d,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=27,id=hostnet0,vhost=on,vhostfd=28 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:1a:4a:8f:04:f7,bus=pci.0,addr=0x3 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/channels/d54660a2-45ed-41ae-ab99-a6f93ebbdbb1.com.redhat.rhevm.vdsm,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/channels/d54660a2-45ed-41ae-ab99-a6f93ebbdbb1.org.qemu.guest_agent.0,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev spicevmc,id=charchannel2,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=com.redhat.spice.0 -spice tls-port=5900,addr=0,x509-dir=/etc/pki/vdsm/libvirt-spice,tls-channel=main,tls-channel=display,tls-channel=inputs,tls-channel=cursor,tls-channel=playback,tls-channel=record,tls-channel=smartcard,tls-channel=usbredir,seamless-migration=on -k en-us -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 main_channel_link: add main channel client main_channel_handle_parsed: net test: latency 2.694000 ms, bitrate 521517697 bps (497.358033 Mbps) red_dispatcher_set_cursor_peer: inputs_connect: inputs channel client create main_channel_handle_parsed: agent start red_channel_client_disconnect: rcc=0x7f2c44243c40 (channel=0x7f2c4421f360 type=2 id=0) red_channel_client_disconnect: rcc=0x7f2cbad97110 (channel=0x7f2cbad13130 type=3 id=0) red_channel_client_disconnect: rcc=0x7f2cbad92d80 (channel=0x7f2cbad07f30 type=1 id=0) main_channel_client_on_disconnect: rcc=0x7f2cbad92d80 red_client_destroy: destroy client 0x7f2cbad8e1c0 with #channels=4 red_dispatcher_disconnect_cursor_peer: red_channel_client_disconnect: rcc=0x7f2c442a0f00 (channel=0x7f2c4421f920 type=4 id=0) red_dispatcher_disconnect_display_peer: 2013-10-07 23:53:29.384+0000: shutting down - In vm.log under qemu of dest host 2013-10-07 23:20:54.260+0000: starting up LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=spice /usr/bin/qemu-kvm -name c8again32 -S -machine pc-1.0,accel=kvm,usb=off -cpu Opteron_G2 -m 1024 -smp 1,sockets=1,cores=1,threads=1 -uuid d54660a2-45ed-41ae-ab99-a6f93ebbdbb1 -smbios type=1,manufacturer=oVirt,product=oVirt Node,version=19-4,serial=34353439-3036-435A-4A38-303330393338,uuid=d54660a2-45ed-41ae-ab99-a6f93ebbdbb1 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/c8again32.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=2013-10-07T23:18:59,driftfix=slew -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw,serial= -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=gluster://f18ovn01.mydomain/gvdata/d0b96d4a-62aa-4e9f-b50e-f7a0cb5be291/images/15f9ca1c-c435-4892-9eb7-0c84583b2a7d/a123801a-0a4d-4a47-a426-99d8480d2e49,if=none,id=drive-virtio-disk0,format=raw,serial=15f9ca1c-c435-4892-9eb7-0c84583b2a7d,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:1a:4a:8f:04:f7,bus=pci.0,addr=0x3 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/channels/d54660a2-45ed-41ae-ab99-a6f93ebbdbb1.com.redhat.rhevm.vdsm,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/channels/d54660a2-45ed-41ae-ab99-a6f93ebbdbb1.org.qemu.guest_agent.0,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev spicevmc,id=charchannel2,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=com.redhat.spice.0 -spice tls-port=5900,addr=0,x509-dir=/etc/pki/vdsm/libvirt-spice,tls-channel=main,tls-channel=display,tls-channel=inputs,tls-channel=cursor,tls-channel=playback,tls-channel=record,tls-channel=smartcard,tls-channel=usbredir,seamless-migration=on -k en-us -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -incoming tcp:[::]:49153 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -incoming tcp:[::]:49153: Failed to bind socket: Address already in use 2013-10-07 23:20:54.771+0000: shutting down Thanks Gianluca