VM extremely slow after upgrade to macOS 10.14.6

Currently there is this mega thread VM became extremely slow after upgraded to macOS 10.14.6

2019/08/26: Apple just released a fix for this problem, see also https://www.macrumors.com/2019/08/26/apple-tvos-watchos-macos-software-updates/ So far the reports in the mega thread are positive. “It’s solved on Apple 10.4.6 supplemental update build 18G85.”

2019/08/09: VMware has pushed out an update that mitigates the issue when your VM is encrypted. More details by VMware employee ksc (at the bottom). Note that this does not yet fix all issues!

2019/08/02: There’s an update from VMware .. see at the end of the post.

The latest update from apple for macOS 10.14 (and macOS 10.15) changed something in such a way that Virtual Machines running under VMware Fusion 11 now suffer serious performance problems. So much so that using those VMs becomes very hard to impossible.

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create a macOS Catalina VM with VMware Fusion

Update: This is no longer an issue with Fusion 11.5

Here’s a quick note on how-to setup a macOS catalina VM on VMware Fusion 11. Credit for figuring out how-to do this goes to vmtn users Bogdam and intel008 as they are the ones who posted the resolution in the following thread at VMTN: macOS Catalina VMs do not run in VMware Fusion 11.1.0

This thread describes the problems you bump into if you try to upgrade a macOS Mojave VM to the new beta macOS Catalina. Basically if you run the upgrade then your VM will hang on reboot. If you then try to reboot it in verbose mode, so that you can see what happens, you’ll get the following screen.

macOS Catalina boot error

Yikes, that’s no good!

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Notes on securing Meltdown and Spectre

Now that the dust is slightly starting to settle It became clear to me that there’s an enormous amount of information and confusion out there. I have read a lot of websites in order to get a clear picture and being able to get all of my hosts and Virtual Machines patched. While not completely done yet, here’s my collection of links and some answers on questions that I see asked often. This is a live document and will be updated with notes relevant for patching. Last update 2018/01/29 Continue reading “Notes on securing Meltdown and Spectre”

Monitor storage for a Dell PERC H710 Mini on vSphere 6.5

So I managed to get myself some DELL R320 servers for the lab. Great servers, love that R3x0 series, they fit my needs perfectly. In previous R3xx series and vSphere versions using the “thick” vSphere client you could just monitor the storage (PERC H710 mini) and other hardware so that you could easily find out if your server needs maintenance.

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VMX unrestricted guest errors with Workstation 14 or Fusion 10

With the new Workstation 14 and Fusion 10 there is also a new requirement for your CPU’s. This unfortunately has not been clearly communicated about by VMware. When you try to start a VM and get the error:

This host does not support virtualizing real mode. The intel “VMX unrestricted Guest” feature is necessary to run this virtual machine on an Intel processor.

Module ‘CPUIDEarly’ power on failed

Failed to start the virtual machine

You’re one of those lucky ones with a CPU that is too old.

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The future of VMware Fusion and VMware Workstation

Yesterday I woke up to the following tweet:

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VMware Tools for Linux guests and desktop integration

If you installed a recent Linux guest recently then you might have noticed that things are changing. See also this blog post “Open-VM-Tools The Future of VMware Tools for Linux“. Trying to install the normal VMware Tools will tell you that it can’t and that you should use open-vm-tools instead. But there are numerous complaints about screen and desktop integration in the forums. So what is going on? Sven found the answer and I will tell you what it is if you read on below. Continue reading “VMware Tools for Linux guests and desktop integration”

VMware Workstation 12 discards unity support for Linux

As of VMware Workstation 12.0 unity support for Linux has been removed. Whereas unity support for Windows 10 is one of the few areas where there is actually additional support for Windows 10, that same feature has been ripped out for Linux hosts and guests.

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Boot via EFI firmware

As you might or might not know, you can change your VMs nowadays to boot via EFI instead of the Plain Old BIOS.

This is great as you can now experiment with EFI without messing up your physical environment or having to reboot on metal.

There’s ongoing work on VMware Fusion and Workstation to improve UEFI support. In VMware Workstation 10, this was unsupported, but it worked.

Workstation 11 now has a option for this under VM Settings -> Options -> Advanced -> Boot with EFI instead of BIOS. With Fusion 7 you either have to edit the config file by hand or change it to another guest OS that uses EFI.

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