Hi All, I have similar issue to Kent's. Not much is on Google and I did all according to your posts and VMM still does not want to add a VM machine. I'm a linux newbie and there is definitely something I have missed. Please help. Thanks! Unable to complete install: 'internal error: process exited while connecting to monitor: qemu-system-x86_64: -machine pc-i440fx-2.1,accel=kvm,usb=off: Unsupported machine type Use -machine help to list supported machines! ' Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/create.py", line 1983, in do_install guest.start_install(False, meter=meter) File "/usr/lib/python2.7/dist-packages/virtinst/Guest.py", line 1246, in start_install noboot) File "/usr/lib/python2.7/dist-packages/virtinst/Guest.py", line 1314, in _create_guest dom = self.conn.createLinux(start_xml or final_xml, 0) File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3202, in createLinux if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self) libvirtError: internal error: process exited while connecting to monitor: qemu-system-x86_64: -machine pc-i440fx-2.1,accel=kvm,usb=off: Unsupported machine type Use -machine help to list supported machines! ======================================================================== Below is some output from my PC: ======================================================================== wwozniak@wwozniak-PC:~$ dpkg -l | egrep "(qemu|libvirt)" ii ipxe-qemu 1.0.0+git-20131111.c3d1e78-2ubuntu1 all PXE boot firmware - ROM images for qemu ii libvirt-bin 1.2.2-0ubuntu13.1.5 amd64 programs for the libvirt library ii libvirt0 1.2.2-0ubuntu13.1.5 amd64 library for interfacing with different virtualization systems ii python-libvirt 1.2.2-0ubuntu2 amd64 libvirt Python bindings ii qemu-common 2.0.0+dfsg-2ubuntu1.5 all dummy transitional package from qemu-common to qemu-keymaps ii qemu-keymaps 2.0.0+dfsg-2ubuntu1.5 all QEMU keyboard maps ii qemu-kvm 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU Full virtualization on x86 hardware (transitional package) ii qemu-system 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries ii qemu-system-arm 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (arm) ii qemu-system-common 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (common files) ii qemu-system-mips 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (mips) ii qemu-system-misc 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (miscelaneous) ii qemu-system-ppc 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (ppc) ii qemu-system-sparc 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (sparc) ii qemu-system-x86 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU full system emulation binaries (x86) ii qemu-utils 2.0.0+dfsg-2ubuntu1.5 amd64 QEMU utilities wwozniak@wwozniak-PC:~$ apt-cache policy virt-manager virt-manager: Installed: 0.9.5-1ubuntu3 Candidate: 0.9.5-1ubuntu3 Version table: *** 0.9.5-1ubuntu3 0 500 http://pl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status wwozniak@wwozniak-PC:~$ wwozniak@wwozniak-PC:~$ python --version Python 2.7.6 wwozniak@wwozniak-PC:~$ uname -a Linux wwozniak-PC 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux wwozniak@wwozniak-PC:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty wwozniak@wwozniak-PC:~$ virsh --version 1.2.2 wwozniak@wwozniak-PC:~$ qemu-system-x86_64 --version QEMU emulator version 2.1.2, Copyright (c) 2003-2008 Fabrice Bellard wwozniak@wwozniak-PC:~$ grep 'model name' /proc/cpuinfo model name : AMD Phenom(tm) II X4 955 Processor model name : AMD Phenom(tm) II X4 955 Processor model name : AMD Phenom(tm) II X4 955 Processor model name : AMD Phenom(tm) II X4 955 Processor wwozniak@wwozniak-PC:~$ qemu-system-x86_64 -machine help Supported machines are: pc-0.13 Standard PC (i440FX + PIIX, 1996) pc-i440fx-2.0 Standard PC (i440FX + PIIX, 1996) pc-1.0 Standard PC (i440FX + PIIX, 1996) pc Standard PC (i440FX + PIIX, 1996) (alias of pc-i440fx-2.1) pc-i440fx-2.1 Standard PC (i440FX + PIIX, 1996) (default) pc-q35-1.7 Standard PC (Q35 + ICH9, 2009) pc-1.1 Standard PC (i440FX + PIIX, 1996) pc-0.14 Standard PC (i440FX + PIIX, 1996) pc-q35-2.0 Standard PC (Q35 + ICH9, 2009) pc-i440fx-1.4 Standard PC (i440FX + PIIX, 1996) pc-i440fx-1.5 Standard PC (i440FX + PIIX, 1996) pc-0.15 Standard PC (i440FX + PIIX, 1996) pc-q35-1.4 Standard PC (Q35 + ICH9, 2009) isapc ISA-only PC pc-1.2 Standard PC (i440FX + PIIX, 1996) pc-0.10 Standard PC (i440FX + PIIX, 1996) pc-0.11 Standard PC (i440FX + PIIX, 1996) q35 Standard PC (Q35 + ICH9, 2009) (alias of pc-q35-2.1) pc-q35-2.1 Standard PC (Q35 + ICH9, 2009) pc-i440fx-1.7 Standard PC (i440FX + PIIX, 1996) pc-i440fx-1.6 Standard PC (i440FX + PIIX, 1996) none empty machine pc-q35-1.5 Standard PC (Q35 + ICH9, 2009) pc-q35-1.6 Standard PC (Q35 + ICH9, 2009) pc-0.12 Standard PC (i440FX + PIIX, 1996) pc-1.3 Standard PC (i440FX + PIIX, 1996)