Hi,
I am on Parallels Desktop 17 for Mac Pro Edition version 17.1.1 (51537) on a Macbook Pro M1 with MacOS Monterey 12.2.1. I have downloaded official ubuntu-20-04-live-server-arm64 images from the Ubuntu web site and installed them using Parallels. After the installation completes successfully, the VM reboots and then it freezes on EFI stub messages (screenshot attached). The VM is unable to boot into Ubuntu OS.
I have tried ubuntu-20-04.4-live-server-arm64.iso ubuntu-20-04.3-live-server-arm64.iso and ubuntu-20-04.2-live-server-arm64.iso, but the same behavior occurs: installation works, but it freezes when booting the installed OS.
Earlier, I was able to install and run ubuntu-20.04 under Parallels (same M1 system), but now it does not seem to work anymore. I have an older Ubuntu 20.0.4 installation and I am able to boot into it. I have not tried to update it, and I will probably wait with that until there a workaround in case it gets stuck as well.
When using the "Download Ubuntu Linux" option under the Installation Assistant, the installation works it is able to reboot. However, that does not help my use case where I need to install from the official image.
I have tried setting vm.bios.efi=0 under Hardware-->Boot order-->Advanced settings but it did not help. I also tried having the ISO "loaded" in the CD device during boot (another suggestion from your site), but that did not help either.
Looking forward to some advice on how to proceed.
Regards,
Dragos
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