It's something related to Windows. I have in the same machine a linux server working with spice enabled and is rock solid. The windows machines crash with that error randomnly.
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/818673 Title: virtio: trying to map MMIO memory Status in QEMU: New Bug description: Qemu host is Core i7, running Linux. Guest is Windows XP sp3. Often, qemu will crash shortly after starting (1-5 minutes) with a statement "qemu-system-x86_64: virtio: trying to map MMIO memory" This has occured with qemu-kvm 0.14, qemu-kvm 0.14.1, qemu-0.15.0-rc0 and qemu 0.15.0-rc1. Qemu is started as such: qemu-system-x86_64 -cpu host -enable-kvm -pidfile /home/rick/qemu/hds/wxp.pid -drive file=/home/rick/qemu/hds/wxp.raw,if=virtio -m 768 -name WinXP -net nic,model=virtio -net user -localtime -usb -vga qxl -device virtio-serial -chardev spicevmc,name=vdagent,id=vdagent -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 -spice port=1234,disable-ticketing -daemonize -monitor telnet:localhost:12341,server,nowait The WXP guest has virtio 1.1.16 drivers for net and scsi, and the most current spice binaries from spice-space.org. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/818673/+subscriptions