lost and found ( for me ? )

install backtrack linux 5 r3 within KVM

KVM host

[root@f18 ~]# libvirtd --version
libvirtd (libvirt) 1.0.3
[root@f18 ~]# qemu-kvm --version
QEMU emulator version 1.4.0, Copyright (c) 2003-2008 Fabrice Bellard
[root@f18 ~]# cat /etc/fedora-release
Fedora release 18 (Spherical Cow)

after I completed installing bt5 within KVM , I faced the following error.

error : no suitable mode found
error : unknown command ‘terminal’
vga=791 is deprecated.

To solve this , it seems that we may solve this by switching video model to cirrus.
So I tried to switch video model to cirrus via virt-manager , I faced another error.
XML error: ram attribute only supported for type of qxl

It was caused by the following bug.

Bug 920549 - error shows when changing video from qxl to other models

To solve this issue , edit the the xml file via “virsh edit” command.

virsh edit <VM name>

edit the following line:

<model type='qxl' ram='65536' vram='65536' heads='1'/>

<model type='cirrus' vram='65536' heads='1'/>

after switching video mode to cirrus , I am able to boot the BT5R3 within KVM successfully.

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