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Description of problem: disabled balloon size will work after enable balloon driver Version-Release number of selected component (if applicable): kernel:2.6.32-214.el6.x86_64 qemu-kvm-0.12.1.2-2.206.el6.x86_64 virtio-win:virtio-win-1.4.0-1.el6.noarch.rpm How reproducible: 100% CLI:/usr/libexec/qemu-kvm -m 2G -smp 2 -cpu cpu64-rhel6,+x2apic -usb -device usb-tablet -rtc base=localtime,clock=host,driftfix=slew -drive file=/mnt/win2003R2sp2_x64.qcow2.bak,format=qcow2,if=none,id=drive-ide0-0-0,werror=stop,rerror=stop,cache=none -device virtio-blk-pci,drive=drive-ide0-0-0,id=ide0-0-0 -netdev tap,id=hostnet0,script=/etc/qemu-ifup -device virtio-net-pci,netdev=hostnet0,mac=00:10:20:2c:45:23,bus=pci.0,addr=0x4,id=net0 -boot order=dcn -uuid d2b0ab4c-d828-468e-8e30-ef5da1754db1 -rtc-td-hack -no-kvm-pit-reinjection -monitor stdio -name win2k3sp2-64 -drive file=/usr/share/virtio-win/virtio-win.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -device virtio-balloon-pci,bus=pci.0,id=balloon0 -spice port=5830,disable-ticketing -vga qxl Steps to Reproduce: 1.boot a win2003 guest with balloon device(....-device virtio-balloon-pci,bus=pci.0,id=balloon0),and disable balloon driver 2.set ballloon size (qemu) balloon 1024 balloon: actual=2048 3.enable balloon driver 4.view the balloon size (qemu) info balloon balloon: actual=1024 Actual results:the balloon size change to disabled balloon size Expected results:the balloon size will not change Additional info:
i have sent mail to vadim about this issue, create this bug to track this stuff. On Tue, 2011-11-01 at 00:54 -0400, Fang Lang wrote: > Hi,Vadim > sorry to bother you,there have a problem need you to help me~,i boot a win2003 guest with balloon device(-device virtio-balloon-pci,bus=pci.0,id=balloon0),when i diable the VirtIo Balloon Driver and then set ballloon size to 1600,the balloon size will not change,but when i enable the VirtIo Balloon Driver,the size will change to 1600,do you thank this phenomenon is normal,thanks~~~ > > > my CLI:/usr/libexec/qemu-kvm -m 2G -smp 2 -cpu cpu64-rhel6,+x2apic -usb -device usb-tablet -rtc base=localtime,clock=host,driftfix=slew -drive file=/home/win2003R2sp2_x64.qcow2.bak,format=qcow2,if=none,id=drive-ide0-0-0,werror=stop,rerror=stop,cache=none -device virtio-blk-pci,drive=drive-ide0-0-0,id=ide0-0-0 -netdev tap,id=hostnet0,script=/etc/qemu-ifup -device virtio-net-pci,netdev=hostnet0,mac=00:10:20:2c:45:23,bus=pci.0,addr=0x4,id=net0 -boot order=dcn -uuid d2b0ab4c-d828-468e-8e30-ef5da1754db1 -rtc-td-hack -no-kvm-pit-reinjection -monitor stdio -name win2k3sp2-64 -drive file=/usr/share/virtio-win/virtio-win.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -device virtio-balloon-pci,bus=pci.0,id=balloon0 -spice port=5830,disable-ticketing -vga qxl Thank you, I'll try to investigate this issue, and come back to you asap. Best regards, Vadim.
*** This bug has been marked as a duplicate of bug 750704 ***