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Unable to install macOS on macOS host #6855

@twiddledup

Description

@twiddledup

BEFORE SUBMITTING YOUR ISSUE, PLEASE LOOK AT THE PINNED ISSUES AND USE THE SEARCH FUNCTION TO MAKE SURE IT IS NOT ALREADY REPORTED. ALWAYS COMMENT ON AN EXISTING ISSUE INSTEAD OF MAKING A NEW ONE.
- I did find this issue but it was closed. I'm on different versions, so opening a new ticket. If you'd prefer I add to that one, please advise.

Describe the issue
Fresh install of UTM on my MBA. I didn't choose an OS so it downloaded a "default" MacOS installer. When I try to press Play, I get Would you like to install macOS? If an existing operating system is already installed on the primary drive of this VM, then it will be erased.
When I click OK, the app crahes.

Configuration

  • UTM Version: UTM 4.5.4 (100)
  • macOS Version: macOS 15.1.1
  • Mac Chip (Intel, M1, ...): MacBook Air M2

Crash log
If the app crashed, you need a crash log. To get your crash log, open Console.app, go to Crash Reports, and find the latest entry for either UTM, QEMU, QEMUHelper, or qemu-*. Right click and choose Reveal in Finder. Attach the report here.

Debug log
For all issues related to running a VM, including crashes, you should attach a debug log. (This is unavailable for macOS-on-macOS VMs. Attach an excerpt of your system log instead.)
To get the Debug log: open UTM, and open the settings for the VM you wish to launch. Near the top of the QEMU page is Debug Log. Turn it on and save the VM. After you experience the issue, open the VM settings again and select Export Log... and attach it here.
UTM-2024-11-30-080046.txt

Upload VM
If your issue is related to a specific VM, please upload the config.plist from your VM's .utm directory. To get this, right-click the VM in UTM and choose "Show in Finder". Then right-click the selected file in Finder and choose "Show Package Contents". The config.plist file is now visible. Right-click it and choose "Compress". Attach the resulting config.plist.zip file here.
You can upload the entire .utm if needed, but note this includes your VM's drive image and may contain personal data. Since Github has an attachment size limit, you may want to upload to another service such as Google Drive. Link it here.

Hoping my use case is even valid. I am hoping to run my "desktop only" 3D printer slicer software through UTM Remote on my M1 iPad Pro.
Many thanks!

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