FreeNAS PCI Passthrough dev_taste error message
After getting my xenified FreeNAS up and running I noticed an oddity with disk reporting. When I pulled up the reports tab I noticed ada0 never showed any activity, despite my knowing that disk is...
View ArticlePCI passthrough with Xenserver 6.2
PCI passthrough is a great way to mix virtualization with bare metal hardware. It allows you to pass physical hardware to virtual machines. In order to do PCI passthrough you will need compatible...
View ArticleFix Xen VGA Passthrough in Linux Mint 17.1
I wrote in my last post about how I upgraded from Linux Mint 16 to 17.1. I thought everything went smoothly, but it turns out one feature did break: VGA passthrough via Xen. For the past year or so...
View ArticlePCI Passthrough in Xenserver 7 “Dundee”
I’ve recently upgraded to the latest version of Citrix Xenserver 7 (codenamed “Dundee”.) 7 is based on CentOS 7 and has a massive amount of changes under the hood. One such change was how they handle...
View ArticleMigrate from Xenserver to Proxmox
I was dismayed to see Citrix’s recent announcement about Xenserver 7.3 removing several key features from the free version. Xenserver’s free features are the reason I switched over to them in the first...
View ArticleWindows VM with GTX 1070 GPU passthrough in ProxMox 5
I started this blog four years ago to document my highly technical adventures – mainly so I could reproduce them later. One of my first articles dealt with GPU passthrough / virtualization. It was a...
View ArticleVGA Passthrough with Threadripper
An unfortunate bug exists for the AMD Threadripper family of GPUs which causes VGA Passthrough not to work properly. Fortunately some very clever people have implemented a workaround to allow proper...
View ArticleGaming VM with graphics passthrough in Arch Linux
At one point I had KVM with GPU passthrough running in Arch Linux. I have since moved away from it back to ProxMox. Here are my notes I jotted down when I did this in Arch. Sorry these are just rough...
View ArticlePrimary VGA passthrough in ProxMox
I recently decided to amplify my VFIO experience by experimenting with passing my primary display adapter to a VM in proxmox. Previously I had just run tasksel on the proxmox host itself to install a...
View Articleproxmox 6 NVIDIA GPU passthrough fix
I upgraded to ProxMox 6.0 and to my dismay my Windows VM suddenly began receiving the dreaded Code 43 error. After much digging I finally found this post on the ProxMox forums which outlines what needs...
View ArticleFix proxmox iommu operation not permitted
In trying to passthrough some LSI SAS cards to a VM I kept receiving this error: kvm: -device vfio-pci,host=0000:03:00.0,id=hostpci0,bus=ich9-pcie-port-1,addr=0x0,rombar=0: vfio 0000:03:00.0: failed to...
View ArticleKVM with vga passthrough in arch linux
I’ve once again switched from Proxmox to Arch Linux for my desktop machine. Both use KVM so it’s really just a matter of using the different VM manager syntax (virt-manager vs qm.) I used my notes from...
View Articlewindows 10 KERNEL_SECURITY_CHECK_FAILED in qemu vm
I upgraded to a shiny new AMD Ryzen 3rd gen processer (Threadripper 3960x.) After doing so I could not boot up my Windows 10 gaming VM (it uses VFIO / PCI Passthrough for the video card.) The message I...
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