Hide Forgot
Created attachment 479812 [details] guest A device message Description of problem: There are guest A and guest B, both A and B are boot with vf, then scp large file from A to B, I don't how long time passed, but when I come to office, found guest A lost its ip which cause scp failed. Version-Release number of selected component (if applicable): 1. qemu-kvm version # rpm -qa|grep qemu qemu-kvm-debuginfo-0.12.1.2-2.144.el6.x86_64 qemu-kvm-0.12.1.2-2.144.el6.x86_64 qemu-img-0.12.1.2-2.144.el6.x86_64 gpxe-roms-qemu-0.9.7-6.4.el6.noarch qemu-kvm-tools-0.12.1.2-2.144.el6.x86_64 2. host kernel version # uname -r 2.6.32-115.el6.x86_64 3. guest kernel verison # uname -r 2.6.32-94.el6.x86_64 4. # lspci|grep Eth 01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5764M Gigabit Ethernet PCIe (rev 10) 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5764M Gigabit Ethernet PCIe (rev 10) 03:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) 03:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) How reproducible: 1/1 Steps to Reproduce: 1. boot two guest with following cli, vf1 and vf3 can get ip. guest A: # /usr/libexec/qemu-kvm -M rhel6.1.0 -enable-kvm -m 4096 -smp 4 -cpu qemu64,+sse2,+x2apic -name rhel6.1 -uuid `uuidgen` -rtc base=localtime -boot c -drive file=/root/images-rhel6.1/rhel6.1-ide.qcow2,if=none,id=drive-ide0-0-0,media=disk,format=qcow2,cache=none -device ide-drive,drive=drive-ide0-0-0,id=ide0-0-0 -net none -usb -device usb-tablet,id=input0 -spice port=8000,disable-ticketing -vga qxl -monitor stdio -balloon none -device pci-assign,host=03:10.1,id=vf1 guest B: # /usr/libexec/qemu-kvm -M rhel6.1.0 -enable-kvm -m 4096 -smp 4 -cpu qemu64,+sse2,+x2apic -name rhel6.1 -uuid `uuidgen` -rtc base=localtime -boot c -drive file=/root/images-rhel6.1/rhel6.1-ide1.qcow2,if=none,id=drive-ide0-0-0,media=disk,format=qcow2,cache=none -device ide-drive,drive=drive-ide0-0-0,id=ide0-0-0 -net none -usb -device usb-tablet,id=input0 -spice port=9000,disable-ticketing -vga qxl -monitor stdio -balloon none -device pci-assign,host=03:10.3,id=vf3 2. scp large file from A to B Actual results: Guest A lost its ip when scp large file from A to B Guest A reports: connection closed by 10.66.73.245 lost connection Try to ping guest B: # ping 10.66.73.245 connect: Network is unreachable. Expected results: file copy shouldn't cause ip lost. Additional info: If restart guest A network, vf can get ip again.