Re: virsh create fails with "Unable to find any firmware to satisfy 'efi'" for aarch64 guest on macOS

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On a Friday in 2021, Nathan Vander Wilt wrote:
I am having trouble when I `virsh create test.xml` with an aarch64
guest on a macOS (Apple Silicon) host. I've wrestled with a variety of
issues but the one I simply haven't been able to get past is this
regarding the UEFI firmware:

error: Failed to create domain from test.xml
error: operation failed: Unable to find any firmware to satisfy 'efi'

This is with `virsh --version` of 7.9.0 and `qemu-system-aarch64
--version` of 6.1.0, both installed via the common `brew` tool from
its main 'homebrew/core' tap. I have confirmed that the loader/nvram
files referenced do exist.

Running `qemu-system-aarch64 -L help` outputs two lines:


The …/share/qemu-firmware folder does NOT exist, but symlinking it to
a …/share/qemu/firmware folder which does exist does not improve the

I have also tried renaming the …/share/qemu/firmware folder (e.g. `mv
firmware zzz-firmware`) as some notes I found led me to believe that
libvirst might ignore my loader/nvram settings entirely if QEMU had
the "new" firmware JSON configuration stuff there? But again no

How can I debug this further? What should I try next?


Can you try with the latest libvirt?
7.10.0-rc2 was just tagged today and should be out this week:

Andrea did some fixes that are supposed to help with Apple Silicon:


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