Sorry, for typo in package name ( qemu-kvm) . I've upgraded version in debian/changelog.
root@boris-System-P5Q3:~/QEMU14# ls -l *.deb |grep -v "0ubuntu4_" -rw-r--r-- 1 root root 19494 2011-05-06 16:45 kvm_84+dfsg-0ubuntu16+0.14.0+noroms+0ubuntu5_amd64.deb -rw-r--r-- 1 root root 18958 2011-05-06 16:45 qemu_0.14.0+noroms-0ubuntu5_amd64.deb -rw-r--r-- 1 root root 37758 2011-05-06 16:41 qemu-common_0.14.0+noroms-0ubuntu5_all.deb -rw-r--r-- 1 root root 3512986 2011-05-06 16:45 qemu-kvm_0.14.0+noroms-0ubuntu5_amd64.deb root@boris-System-P5Q3:~/QEMU14# dpkg -i ./qemu-kvm_0.14.0+noroms-0ubuntu5_amd64.deb \ > qemu_0.14.0+noroms-0ubuntu5_amd64.deb \ > qemu-common_0.14.0+noroms-0ubuntu5_all.deb (Reading database ... 141175 files and directories currently installed.) Preparing to replace qemu-kvm 0.14.0+noroms-0ubuntu4 (using .../qemu-kvm_0.14.0+noroms-0ubuntu5_amd64.deb) ... Unpacking replacement qemu-kvm ... Preparing to replace qemu 0.14.0+noroms-0ubuntu4 (using qemu_0.14.0+noroms-0ubuntu5_amd64.deb) ... Unpacking replacement qemu ... Preparing to replace qemu-common 0.14.0+noroms-0ubuntu4 (using qemu-common_0.14.0+noroms-0ubuntu5_all.deb) ... Unpacking replacement qemu-common ... Setting up qemu-common (0.14.0+noroms-0ubuntu5) ... Setting up qemu-kvm (0.14.0+noroms-0ubuntu5) ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for man-db ... Setting up qemu (0.14.0+noroms-0ubuntu5) ... # dpkg -l | grep qemu ii qemu 0.14.0+noroms-0ubuntu5 dummy transitional package from qemu to qemu-kvm ii qemu-common 0.14.0+noroms-0ubuntu5 qemu common functionality (bios, documentation, etc) ii qemu-kvm 0.14.0+noroms-0ubuntu5 Full virtualization on i386 and amd64 har root@boris-System-P5Q3:~/QEMU14# ls -l /usr/bin/qemu* -rwxr-xr-x 1 root root 3520568 2011-05-06 16:45 /usr/bin/qemu -rwxr-xr-x 1 root root 2014976 2011-05-06 16:45 /usr/bin/qemu-i386 -rwxr-xr-x 1 root root 270 2011-05-06 14:04 /usr/bin/qemu-ifdown -rwxr-xr-x 1 root root 138 2011-02-22 16:34 /usr/bin/qemu-ifup -rwxr-xr-x 1 root root 350640 2011-05-06 16:45 /usr/bin/qemu-img -rwxr-xr-x 1 root root 362928 2011-05-06 16:45 /usr/bin/qemu-io -rwxr-xr-x 1 root root 338384 2011-05-06 16:45 /usr/bin/qemu-nbd lrwxrwxrwx 1 root root 4 2011-05-06 16:48 /usr/bin/qemu-system-i386 -> qemu -rwxr-xr-x 1 root root 3590968 2011-05-06 16:45 /usr/bin/qemu-system-x86_64 -rwxr-xr-x 1 root root 2055128 2011-05-06 16:45 /usr/bin/qemu-x86_64 -- 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 “libvirt” package in Ubuntu: Triaged 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.