Mac Os Yosemite Virtualbox


I have a penchant for VirtualBox because it gives me a playground for experimentation.

Jun 19, 2021 Macの歴代の背景画像です。 OS X 10.9 Mavericks 「OS X 10.9 Mavericks」の背景画像です。マーヴェリックスのビッグウェーブですね。たぶん。 OS X 10.10 Yosemite 「OS X 10.10 Yosemite」の背景画像です。ヨセミテ国立公園ですね。 OS X 10.11 El Capitan.

I can intentionally install viruses in the virtual machine (called the guest OS) with little fear of my real computer (the Host OS) getting infected. I can install entire virtual networks with little trepidation of breaking my real network. And I can test out different operating system before changing my Host OS to that OS.

  1. Mac Os X Virtualbox Amd If you are a Mac computer user who is planning to upgrade to the Download Yosemite DMG, you have come to the right place. We give you the relevant official download links to get your MacOS upgraded to the Yosemite DMG.
  2. Re: Tutorial on installing OS X Yosemite in VirtualBox. Nov 2014, 00:58. Socratis wrote: Yes, it's kind of weird. As I said in the bug report, the 'Activity Monitor' and 'top' reveal only 3.5 GB allocated. On the other hand, 'About this Mac' and 'System Profiler' report 8 GB.
  3. I want to install Yosemite on a Mac OS X, but I get the error: 'OS X could not be installed on your computer. VirtualBox will then present this file as a CD.

It’s great.

But the other day something odd happened after I spun up my VM…

The guest OS launched fine, well for the first 10 seconds, but then it unceremoniously burped up an error about Guru Meditation?

If you’ve ever seen this error, it’s pretty disconcerting and hard to dismiss. You only have two options:

You can click OK or hit Ignore but both usually return the same result: the application quits. When you launch it again, it barfs up the same rude error you tried to avoid.

Some crazy spiritual stuff about a meditating guru.

What’s all this about?

Getting spiritual with Guru Meditation

The first time I ever saw this error, I envisioned a Tibetan monk, perched on his aerie ledge in the Himalayas. His legs are crossed Indian style and his wrists are propped face-up on his knees. I don’t know why but that’s the first thing that comes to my mind.

I did some research on this and it turns out the phrase “Guru Meditation” finds its origins from one of the first personal computers called the Amiga. Sold by Commodore in the mid 80’s, these relics of time would sometimes spit up Guru Meditation errors on software failure.

Guru Meditation refers to an error so arcane that you were basically forced to look for a Guru to fix the problem.

Today, you going to help you become a little more Guru when I show you how to fix this positively baffling error. I promise you my solution doesn’t involve meditation, burning incense or any obscure incantations. With the alchemy of a little common sense and some patience we can fix this problem in no time.

Instead of being solemn about this recondite message, let’s get a little goofy and have fun finding the answer.

Getting Goofy with Guru Meditation

Nine times out of Ten when you see a “Guru Meditation” error in Virtualbox it’s related to your system memory. But we don’t have to guess. VirualBox logs all errors to a little file aptly named Vbox.log.

Mac Os Yosemite VirtualboxVirtualbox

Let’s check it out.

I’m logged into my computer with user account vhudson and my Virtual Machine is simply named “Windows 8.1” so my log file is located here:

Just replace “vhudson” with your computer username and “Windows 8.1” with the name of that refractory VM that keeps going bonkers.

Let’s take a look in here to see what’s going on.

Open VBox.log in Notepad and press Ctrl + End key on your keyboard to zip down to the last line. You should see the Guru Meditation stuff in proximity to the last line. If not, just press Ctrl + f and enter the phrase “Meditation”

There’s a lot of abstruse test in the log but if you look closely you can probably figure out what happened.

I highlighted the last two lines.

It says:

and then this:

The errorID in the first line is telling us the memory on the Host OS is low.

Hmm… so why is that?

Press Ctrl + Shift + Esc to open the Windows Task Manager.


You’ll probably see something similar to the above screenshot. The memory value is almost at the ceiling. I’ve got a total of 8GB of RAM on my Host OS and I’m at 7.6GB (which is only 96% full!)

Alright, so now we need to find out what’s specifically causing the problem.

If you click over to the Process tab and sort by Memory you may find the culprit. A bunch of chrome.exe processes are usually near the top of the list busy slurping up memory, but in my case none had the avarice to debilitate my computer.

I can’t blame Chrome today because after closing VirtualBox I noticed an immediate drop in memory usage. The graph took a veritable nose dive.

Ah, so VirtualBox is killing VirtualBox?

I exonerated Chrome by my new discovery and decided to take a closer look at the VirtualBox settings.

In VirtualBox, select your intractable VM from the left pane and then press Ctrl + s to open the Settings pane.

Click System in the left navigation and check out the Base Memory slider on the right side.

My poor VirtualBox was attempting to allocate half of my physical memory to the VM.

Ultimately, I was apportioning too many resources to VirtualBox. After changing the value from 4096 MB (4GB) to 2048 (2GB), my Guru Meditations went poof!

The Bottom Line

If you notice VirtualBox is experiencing an accretion of errors lately, check out Vbox.log. A quick look inside will often point you in the right direction. Even if the error isn’t immediately obvious, you could always copy the error and paste it into Google to see what other people did to fix it.

In the case of Guru Meditation, you’ll usually find that you can fix the problem by managing your memory allocations to the guest OS. Try decreasing the base memory value by half and see what happens.

I hope this helped you! If so, please share the goodness in the comments below. Oh, and if it didn’t help let me know too. I like bad news just as much as good news. I really want to make sure VirtualBox works for you.

Posted in Windows, Windows 7, Windows 8, Windows 8.1 Tagged with: Tricks, Virtualbox

To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Check compatibility

The version of macOS that came with your Mac is the earliest version it can use. For example, if your Mac came with macOS Big Sur, it will not accept installation of macOS Catalina or earlier.

If a macOS can't be used on your Mac, the App Store or installer will let you know. For example, it might say that it's not compatible with this device or is too old to be opened on this version of macOS. To confirm compatibility before downloading, check the minimum hardware requirements:

  • macOS Catalina 10.15 hardware requirements
  • macOS Mojave 10.14 hardware requirements
  • macOS High Sierra 10.13 hardware requirements
  • macOS Sierra 10.12 hardware requirements
  • OS X El Capitan 10.11 hardware requirements
  • OS X Yosemite 10.10 hardware requirements

Download macOS using Safari on your Mac

Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.

Mac Os Yosemite Virtualbox

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion

Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.

Mac Os Yosemite Virtualbox Update

  • macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
  • OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
  • OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard