Hi, Paolo send a patch series today fixing a problem with savevm http://www.mail-archive.com/qemu-devel@nongnu.org/msg165135.html Can you check if it solves the issue?
Regards, Orit On 04/08/2013 04:39 PM, Liuji (Jeremy) wrote: > Hi, Stefan > > Thanks for your reply. > > I have test the latest version of > qemu.git/master(commit:9196dd411d580c27f85daa209ff9a501d719ebc0,2013-04-06). > But, this problem still exists. > > This problem appears after the > commit(500f0061d628b52220038939728f0d7aee634468, Use qemu_put_buffer_async > for guest memory pages). > But I'm not sure why this commit cause this problem. > > I simplified the qemu-kvm command to the below: > qemu-system-x86_64 --enable-kvm -m 1024 -smp 2 -boot c -drive > file=/home/test/winxp.qcow2, > if=virtio,index=0,format=qcow2 -monitor stdio -vnc > 186.100.8.131:1 > > Best Regards, > > Jeremy Liu > >> Re: [Qemu-devel] After executing "savevm", the QEMU process is >> hanging >> >> On Mon, Apr 01, 2013 at 11:45:13AM +0000, Liuji (Jeremy) wrote: >>> Hello, everyone >>> >>> After executing the "savevm" command, the QEMU process is hanging. >>> But in the v1.4.0, it's no problem. >>> >>> Host OS: Fedora 17 x86_64 >>> Qemu: the latest(2013-04-01) >>> Quest OS: WinXP >>> >>> 1) Use the following command to start the VM: >>> qemu-kvm -enable-kvm -name winxp -M pc-0.15 -m 1024 -smp 2 -boot c >> -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 >>> -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive >> file=/home/test/winxp.qcow2,if=virtio,index=0,format=qcow2 >>> -net nic,model=virtio,macaddr=52:54:00:05:11:12 -monitor stdio >> -chardev spicevmc,id=charchannel0,name=vdagent >>> -device >> virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,na >> me=com.redhat.spice.0 -chardev pty,id=charchannel1 >>> -device >> virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,na >> me=arbitrary.virtio.serial.port.name -device usb-tablet,id=input0 >>> -spice >> port=3001,addr=186.100.8.131,disable-ticketing,plaintext-channel=main,plaint >> ext-channel=playback,plaintext-channel=record,image-compression=auto_glz >>> -vga qxl -global qxl-vga.vram_size=67108864 -device >> AC97,id=sound0,bus=pci.0,addr=0x4 >>> 2) Execute the "savevm" command in the qemu monitor. >>> After a long time (>20minute), the qemu process is still hanging. >>> >>> Who can give me some advice? >> >> Have you tried qemu.git/master? >> >> Once you find out which version works and which is broken, you can use >> git-bisect(1) to find the commit that broke "savevm". >> >> Stefan >