![]() ![]() (My version of Acronis included the Plus Pack. tib files made with Acronis True Image Home 2011. Convert a Backup Image. I could try to convert a backup image of a physical Windows installation to a VM.But since those VMs expired after just a few months, that approach did not seem ideal for my goal of setting up VMs that I could use long-term. Preconfigured VM.I could download and run a preconfigured Windows VM from Microsoft.But I did not want to have to recreate, from scratch, a heavily tweaked Windows 7 installation of 50GB or more. Setting up new Windows installations would be relatively easy in that sort of case, where the goal was to create the simplest possible installation. I had recently done this with a copy of Windows XP, for purposes of virtualizing various Windows programs. Start from Scratch.I could install Windows from scratch inside the VM.Converting a Large Windows 7 TIB to VHD to VirtualBox VM.A Minimal Windows 7 Ultimate 圆4 Upgrade VM from Scratch.Converting Various Windows XP Backup Images (.tib).Converting a Simple Windows XP Physical Installation.Virtualize a Physical Windows Installation.I wondered which one(s) I could and should run in that VM, and which one(s) I might want to run in other VMs at some point. I already had some Windows installations, backups, and CDs. As part of that system, I wanted to run Windows in a virtual machine (VM) in VirtualBox. This means Unity is using slow LLVMpipe.As described in another post, I was transitioning to a Linux system. If you see “Not software rendered” and “Unity 3D supported” both say no. To check if your Ubuntu 12.10 or 13.04 guest is using 3D acceleration It makes running ubuntu in virualbox really slow. Having very slow perform when running Ubuntu 12.10 and 13.04 in virtualbox? It’s because Ubuntu can’t use graphics card for acceleration, ubuntu uses CPU for rendering graphics trough LLVMpipe. Also, not using them is not really an option, since I do need their functionality. I did install the guest editions each time, but I don't think those cause the problem, since it worked fine for a while with those enabled. I did some googling, and I don't seem to be the only one having trouble with a slow ubuntu in virtualbox, but I couldn't really find any solutions. So I'm hoping someone here recognizes this problem and can help fix it. Perhaps it's some package that breaks the system, but I certainly don't know enough about linux to figure out exactly which one. I've reinstalled ubuntu several times with different parameters (64 bits or not, IO APIC enabled or not), but the pattern is always the same: It works nice for a few minutes after installing and then slows the hell down. I've played around with different settings in virtualbox. There doesn't seem to be a reason for this, I have plenty of memory and my cpu is sitting at 12% usage. ![]() Everything else is slow as molasses as well. When typing on the console it suddenly took up to a minute for the text to appear. I was busy trying to mount my shared folder and then. It took me a while to get the guest additions up and running, but that also worked. Internet worked fine, I could apt-get without issues, etc. No problems during install, and it works flawlessly afterwards. 3D acceleration enabled, all other settings default. Virtual machine parameters: 8 GB fixed size hd, 2 GB memory, 128 GB video memory. ![]() Virtualization Software: Virtualbox 4.2.10 ![]()
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