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| {{Fancynote | This article is still in development}} | | {{Person |
| | | |Full name=Richard Yao |
| Funtoo is [[KVM]]/[[wikipedia:Qemu | Qemu]] ready.
| | |Email=ryao@gentoo.org |
| | | |Nick=ryao |
| In order for it to work, you need to make sure that you've enabled Virtio support on the kernel.
| | |Geoloc=40.9955012, -74.3439009 |
| | | |Location name=Stony Brook, New York, United States of America |
| == Pre-Requisites ==
| | |Roles= |
| * You are following the [[Funtoo_Linux_Installation | Funtoo Linux Installation]] Guide.
| | |Maintains= |
| * You figured out how to use [[Genkernel]] by reading the [[Genkernel_Quick_Start_Tutorial | Genkernel Quick Start Tutorial]].
| | |Blogs={{Blog |
| * You are using the most current vanilla-sources
| | |Name=Richard Yao's Blog |
| | | |URL=http://blogs.gentoo.org/ryao |
| == Procedure ==
| | }} |
| Carry on until you reach the [[Funtoo_Linux_Installation#Configuring_and_installing_the_Linux_kernel | Configuring and installing the linux kernel]] section.
| | }} |
| | |
| === Step 1: Install Genkernel === | |
| emerge sys-kernel/genkernel
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| === Step 2: Install the vanilla sources ===
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| emerge sys-kernel/vanilla-sources
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| === Step 3: Start configuring and building the kernel ===
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| genkernel --menuconfig all
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| === Step 4: Search and enable the essential Virtio drivers ===
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| To be able to search for all Virtio options, just type ''/'' on the ''TUI'' (Terminal User Interface) and, then, type 'virtio'. Please, consult: [http://www.linux-kvm.org/page/Virtio KVM's website] in order to get a list of options available in the Kernel's config.
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| {{Note | The console will let you know what is available. Pay special attention to the location section.}}
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| === Step 5: Continue with [[Funtoo_Linux_Installation#Installing_a_Bootloader | Funtoo Linux Installation]] Guide === | |
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| == Testing ==
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| === Boot the Guest ===
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| You should be able to boot the guest without problems. If you're using virt-manager, then just hit "play" on the Guest. If you're a commandline dude, please, issue the following command:
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| qemu-kvm -boot c -drive file=/var/lib/libvirt/images/funtoo.img,if=virtio -m 512
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| == Troubleshooting ==
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| === Determining root device fails === | |
| For some reason, on kernel 3.4.5, it fails to load the modules automatically. You can workaround it by adding:
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| doload=virtio_pci,virtio_blk
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| to the kernel line; at the grub prompt; at boot time. It should look something like this:
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| <pre>
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| set timeout=3
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| set default=0
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| menuentry "Funtoo Linux genkernel - kernel-genkernel-x86_64-3.4.5" {
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| insmod part_gpt
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| insmod ext2
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| set root=(hd0,2)
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| search --no-floppy --fs-uuid --set 22b809f0-86be-422a-8bdd-6f4362da83ed
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| linux /kernel-genkernel-x86_64-3.4.5 real_root=/dev/vda4 doload=virtio_pci,virtio_blk
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| initrd /initramfs-genkernel-x86_64-3.4.5
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| set gfxpayload=keep
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| }
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| </pre>
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| Once you boot, a permanent workaround should look like this:
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| <pre>
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| mount /dev/vda2 /boot
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| cat /boot/grub/grub.cfg
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| set timeout=3
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| set default=0
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| menuentry "Funtoo Linux genkernel - kernel-genkernel-x86_64-3.4.5" {
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| insmod part_gpt
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| insmod ext2
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| insmod virtio_pci
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| insmod virtio_blk
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| insmod virtio_net
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| set root=(hd0,2)
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| search --no-floppy --fs-uuid --set 22b809f0-86be-422a-8bdd-6f4362da83ed
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| linux /kernel-genkernel-x86_64-3.4.5 real_root=/dev/vda4 doload=virtio_pci,virtio_blk
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| initrd /initramfs-genkernel-x86_64-3.4.5
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| set gfxpayload=keep
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| } | |
| </pre>
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| == Reference ==
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| * [[wikipedia: KVM]]
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| * [[wikipedia: Qemu]]
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| * http://www.linux-kvm.org/page/Virtio
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