@Serg, I started getting execution denied errors in VirtManager or same in terminal after virsh start W7 , when updated XML as follows
<emulator>/usr/bin/kvm-spice</emulatror> . . . . . <graphics type='spice' port='5930' autoport='no' listen='0.0.0.0'/> <video> <model type='qxl' vram='32768' heads='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> When i attempted to fool libvirt and replace symlink kvm-spice or binary it's referencing i got another execution denied error when spice-server started. Fedora's libvirt doesn't have any problems of such kind ( even F14's libvirt in the very early times ) Install libvirt-0.8.8-4.fc15.src.rpm shows following patches in SOURCES :- libvirt-0.8.8-avoid-resetting-errors.patch libvirt-0.8.8-read-only-checks.patch libvirt-0.8.8-kernel-boot-index.patch libvirt-0.8.8-threadsafe-libvirtd-error-reporting.patch It's hard to understand what part of code ( in patches ) is responsible for spice-server behaviour. Once again RH's support is pretty much desired. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/723871 Title: qemu-kvm-0.14.0 Aborts with -vga qxl Status in QEMU: Confirmed Status in “qemu-kvm” package in Ubuntu: Fix Released Bug description: Host CPU is Core i7 Q820. KVM is from 2.6.35-gentoo-r5 kernel (x86_64). Host has spice-0.7.2 and spice-protocol-0.7.0. Guest is Windows XP SP3 with qxl driver 0.6.1, virtio-serial 1.1.6 and vdagent 0.6.3. qemu-kvm is started like so: 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,media=disk,aio=native,snapshot=on -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 -monitor stdio and crashes with: qemu-system-x86_64: /home/rick/qemu/src/qemu-kvm-0.14.0/qemu-kvm.c:1724: kvm_mutex_unlock: Assertion `!cpu_single_env' failed. Aborted If I use -no-kvm, it works fine. If I use -vga std, it works fine. -enable-kvm and -vga qxl crashes.