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Description of problem: Run a network process(ping) before do s3, after s3 shell will appear warning messages "ping : sendmsg: no buffer space available", network unavailable. Version-Release number of selected component (if applicable): --host kvm-83-232.el5 etherboot-zroms-kvm-5.4.4-15.el5 kmod-kvm-debug-83-232.el5 kvm-tools-83-232.el5 kmod-kvm-83-232.el5 kvm-qemu-img-83-232.el5 kvm-debuginfo-83-232.el5 uname -r 2.6.18-259.el5 How reproducible: Steps to Reproduce: 1./usr/libexec/qemu-kvm -no-hpet -usbdevice tablet -rtc-td-hack -name 57 -smp 2 -m 4G -uuid 9e6f04cf-2ad7-45aa-9333-2d2ee26570c6 -boot c -drive file=/mnt/rhel57.qcow2,if=virtio,cache=none,boot=on,format=qcow2,werror=stop -net nic,vlan=1,macaddr=52:54:00:94:a3:8b,model=virtio -net tap,vlan=1,script=/etc/qemu-ifup -notify all -balloon none -monitor stdio -vnc :1 2. use vnc connect to guest 3. start a process ping 10.66.11.212 4. echo mem>/sys/power/state 5. check ping process and network status Actual results: guest resume successfully but network unavailable Expected results: network work well after resume Additional info:
as s3 do not support virtio nic so it isn't a bug. when changed model to rtl8139,guest work well.