Requirements
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-- recent QEMU with vmchannel support
+- recent QEMU >= 0.10 with vmchannel support
+ http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html
- febootstrap >= 1.5
make install
+Note on using KVM
+----------------------------------------------------------------------
+
+If you are using x86-64, then by default the configure script will
+look for qemu-kvm (KVM support). You will need a reasonably recent
+processor for this to work. KVM is much faster than using plain QEMU.
+
+You may also need to enable KVM support for non-root users, by following
+these instructions:
+
+ http://www.linux-kvm.org/page/FAQ#How_can_I_use_kvm_with_a_non-privileged_user.3F
+
+On some systems, this will work too:
+
+ chmod o+rw /dev/kvm
+
+On some systems, the chmod will not survive a reboot, and you will
+need to make edits to the udev configuration.
+
+
Notes on cross-architecture support
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