krunkit: macOS 27 beta 5 (26A5406e) instance creation error

Author: samkrishnaCreated Aug 12, 2026Updated Aug 12, 2026

Description

I'm attempting to get krunkit running on macOS 27b5 and I keep getting an error. Here's the transcript:

$ colima start --vm-type krunkit --mount-type virtiofs --cpus 8 --memory 32 --disk 100
INFO[0000] starting colima
INFO[0000] runtime: docker
INFO[0000] creating and starting ...                     context=vm
> Terminal is not available, proceeding without opening an editor
> "Failed to set config" error="rpc error: code = Unknown desc = field `mountType` must be `virtiofs` or `reverse-sshfs` for krunkit driver, got `9p`"
> failed to create driver instance: rpc error: code = Unknown desc = field `mountType` must be `virtiofs` or `reverse-sshfs` for krunkit driver, got `9p`
FATA[0000] error starting vm: error at 'creating and starting': exit status 1

Here's my colima details: (I'm using the current HEAD on main at the time of this ticket)

bash

colima version
colima version HEAD-490420d
git commit: 490420d9b98d2e6a558426bfefaea1bb37b67115

runtime: docker
arch: aarch64
client: v29.7.2
server: v29.5.2

Here's the docker CLI version:

$ docker --version
Docker version 29.7.2, build a7dcaa6fdb

Version

colima version HEAD-490420d git commit: 490420d9b98d2e6a558426bfefaea1bb37b67115

runtime: docker arch: aarch64 client: v29.7.2 server: v29.5.2

Operating System

macOS Intel <= 13 (Ventura)
macOS Intel >= 14 (Sonoma)
Apple Silicon <= 13 (Ventura)
Apple Silicon >= 14 (Sonoma)
Linux

Output of `colima status`

FATA[0000] colima is not running

Reproduction Steps

Run colima start --vm-type krunkit --mount-type virtiofs --cpus 8 --memory 32 --disk 100 on macOS 27b5
Watch the errors

Expected behaviour

I expected the krunkit vm type to work

Additional context

This directly references #1607

Source: abiosoft/colima

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