Tag Archives: qemu

FreeBSD and OpenZFS Enable Scientific Discovery: How Long Do Seagate Hard Disks Live?

Ok, I don’t usually post little “yay for me” articles ’round here, but I’ve been buried in work to the point of not being able to post much at all so at the risk of taking a solid step in … Continue reading

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Upgrading a KVM/QEMU Windows Guest Domain to Windows 10

You are likely to run into the following error during the upgrade process: Windows 10 installation failed in SAFE_OS phas with error during boot The error code reported to you when you reboot the system and it rolls back changes … Continue reading

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Extending Storage for an LVM-Backed Windows Guest Domain with KVM/QEMU

Well that was significantly more painful than I had anticipated.  Here’s the quick and dirty instruction set which involves multiple tools, perhaps needlessly, since I was investigating the issue for some time: Shut down the guest domain (someone might be … Continue reading

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Linux Kernel 4.7 Memory Allocation Bug (mm/slub.c)

Just a heads up if you’re seeing unpalatable behavior with your Fedora 23 or Fedora 24 rig running any of the 4.7.* kernels:  It looks like Kernel 4.7 may have introduced a memory management bug.  It looks like the bug … Continue reading

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Navigating the Tianocore UEFI Shell

Just in case you end up getting dropped to the UEFI shell when attempting to start a Windows guest domain with KVM/QEMU/Tianocore, I thought I might post a little shot from Alex Williams’ extremely helpful series (to which I’ve already … Continue reading

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Virtualizing Windows 7 with Fedora 23 KVM/QEMU and IOMMU-enabled PCI Passthrough

I finally got around to whipping up the Windows 7 VM to round out and more or less complete the Engineering Walden Project’s Technical Reference Model.  Hooray! Because I had already configured my KVM/QEMU system with the proper pci-stub entries … Continue reading

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An Architectural Template: The Virtual Monastery on the Electric Mountain

This is the fruit of many years’ labor.  This project started with the idea that retreat to the wilderness in order to live simply, as Emerson and Thoreau (and countless individuals before them) endeavored to accomplish in their time, may … Continue reading

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How to Build OVMF from Source on Fedora 23 Workstation

The below process yields the OVMF_CODE.fd and OVMF_VARS.fd files for use with QEMU/KVM guest domains running in Fedora 23. The Process First, clone the Git repository at the point in time meaningful to you.  For me, it was the end … Continue reading

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QEMU-System-x86_64: Guest moved used index

Problem Description: So, if you’re running KVM/QEMU guest domains in Fedora Server 22, it seems that adding a network device to a guest while it is operational may result in a subsequent failure to boot the guest domain (the qemu … Continue reading

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Performing IOMMU-based PCI Passthrough of an NVidia GPU with Fedora 22

Well, it took eight hours of cobbling together instructions from a variety of guides on the Interwebs, but it’s done!  I have added a GeForce GTX 960 to my server (running Fedora 22 Server) and I have given control of … Continue reading

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