虚拟机中启动Xcode 11 beta崩溃，求解决方案

Hey there, sorry to hear you're hitting this frustrating crash with Xcode 11 beta in your macOS VM—let's walk through some targeted fixes that usually resolve this kind of issue:

First, a quick recap of your scenario to align: you're running macOS 10.14.5 in a virtual machine, installed Xcode 11 beta, and every attempt to start a new Playground or project triggers an unexpected exit with the crash details you shared.

Here are the troubleshooting steps, ordered from quickest to more involved:

1. Wipe Xcode's Corrupted Caches & Derived Data #

Corrupted temporary files are the #1 culprit for random Xcode crashes. Let's clear them out:

• Quit Xcode entirely (double-check it's not running in the background via Activity Monitor)
• Open Finder, press Cmd + Shift + G, and paste this path: ~/Library/Developer/Xcode/DerivedData
• Delete everything inside this folder
• Next, navigate to ~/Library/Caches/com.apple.dt.Xcode and delete all files here too
• Restart your VM, then launch Xcode again and test creating a project/Playground

2. Disable GPU Acceleration in Your VM #

Xcode 11 beta is picky about virtualized graphics hardware. Try turning off 3D acceleration:

• Shut down the VM completely
• Open your hypervisor's settings (e.g., VMware Fusion, VirtualBox) for the VM
• Look for display/graphics settings, then disable "Accelerate 3D Graphics" or similar options
• Boot the VM back up, launch Xcode, and see if the crash stops

3. Reset Xcode's User Preferences #

Corrupted preferences can cause weird behavior. Reset them with a quick terminal command:

• Open Terminal in your VM
• Run this command: defaults delete com.apple.dt.Xcode
• Quit Terminal, restart Xcode, and test again

4. Reinstall Xcode 11 Beta #

If the installation itself is corrupted, a fresh install might fix it:

• Drag Xcode-beta.app from your Applications folder to the Trash
• Empty the Trash, then restart your VM
• Download a fresh copy of Xcode 11 beta from Apple's Developer site
• Install it again, then try launching a project/Playground

5. Boost VM Resource Allocation #

Xcode (especially beta versions) is resource-hungry. Make sure your VM has enough power:

• Shut down the VM, open its settings
• Allocate at least 8GB of RAM (16GB is ideal for beta Xcode)
• Assign at least 2 CPU cores (4 cores recommended)
• Ensure there's at least 20GB of free space on the VM's virtual disk
• Boot the VM and give Xcode another shot

内容的提问来源于stack exchange，提问作者Bjorn Morrhaye