Created attachment 500764 [details] netperf clients quits Description of problem: Run Netperf Server inside guest Run N*netperf clients anywhere other than the mentioned guest. Do ping-pong migration with the guest running netperf server. As a result, the netperf clients quit but network is available for both netperf server and client. Version-Release number of selected component (if applicable): kernel-2.6.18-262.el5 kvm-83-235.el5 How reproducible: Always Steps to Reproduce: 1.Boot a guest and run netperf server inside it. /usr/libexec/qemu-kvm -no-hpet -no-kvm-pit-reinjection -usbdevice tablet -rtc-td-hack -startdate now -name win7-32 -smp 4,cores=4 -k en-us -m 3G -boot c -net nic,vlan=1,macaddr=00:1a:4a:42:49:10,model=virtio -net tap,vlan=1,ifname=virtio_10_1,script=/etc/qemu-ifup,downscript=no -drive file=/mnt/win7-32-sp1-qcow2,media=disk,if=virtio,cache=off,boot=on,format=qcow2,werror=stop -cpu qemu64,+sse2 -M rhel5.6.0 -notify all -balloon none -monitor stdio -spice host=0,ic=on,port=5930,disable-ticketing -qxl 1 2.Boot a guest and run many netperf client inside it. /usr/libexec/qemu-kvm -no-hpet -no-kvm-pit-reinjection -usbdevice tablet -rtc-td-hack -startdate now -name win7-32-client -smp 1,cores=1 -k en-us -m 2G -boot c -net nic,vlan=1,macaddr=00:1a:2a:22:49:10,model=virtio -net tap,vlan=1,script=/etc/qemu-ifup -drive file=/mnt/win7-32-sp1-backup.qcow2,media=disk,if=virtio,cache=off,boot=on,format=qcow2,werror=stop -cpu qemu64,+sse2 -M rhel5.6.0 -notify all -balloon none -monitor stdio -vnc :10 shell script to run 300 netperf clients #! /bin/sh ip=10.66.82.83 i=0 while [ $i -lt 300 ] do netperf -H $ip -l 3000 & i=`expr $i + 1` echo finish Test-No.$i done 3.Do ping-pong migration with the guest with netperf server running inside. Actual results: netperf clients quit. (Screenshot will be attached.) Expected results: Additional info:
hit the same issue on windows 2003 32 bit guest but not 100% reproduce Tried nertperf w/o migration ,netperf works fine.