questing-snapshot2/Aarch64/Hyper-V: ISO image fails to boot up Ubuntu due to a kernel panic "No working init found."

Bug #2118747 reported by Akira Tanaka
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Ubuntu CD Images
Fix Released
Undecided
Tobias Heider

Bug Description

I tried Questing Snapshot 2(aarch64) on Hyper-V, Surface Pro 11(X1e) but it fails to boot up due to a kernel panic.

Problem Description:
- The Questing Snapshot 2(aarch64) image fails to boot up Ubuntu due to a kernel panic "No working init found."

Environment:
- The system is a VM on Hyper-V.
- The host machine is a Surface Pro 11th gen (Qcom X1E-80-100, Windows 11 Pro)

Reproducing steps:
1. Download the image from https://cdimage.ubuntu.com/ubuntu/releases/25.10/snapshot-2/
2. Create a VM.
3. Insert the image to the VM(and configure boot order to boot it from the image)
4. Turn off the secure boot.
5. Power on the VM.
6. Select "Try or Install Ubuntu"

Expected behaviour:
- The Ubuntu should boot up.

Actual behaviour:
- Booting is failed due to the kernel panic "No working init." Please see also an attached screenshot.

Additional research
Ubuntu 25.04 image works well on Hyper-V on the same host machine.
I also tried the same image on KVM on Raspberry Pi 5 and it successfully booted up.

Let me know if you need more information.

Regards,

Revision history for this message
Akira Tanaka (popo1897) wrote :
Changed in ubuntu-cdimage:
assignee: nobody → Tobias Heider (tobhe)
Akira Tanaka (popo1897)
summary: - questing-snapshot2/Aarch64: ISO image fails to boot up Ubuntu due to a
- kernel panic "No working init found."
+ questing-snapshot2/Aarch64/Hyper-V: ISO image fails to boot up Ubuntu
+ due to a kernel panic "No working init found."
description: updated
Revision history for this message
Akira Tanaka (popo1897) wrote (last edit ):

I tried questing snapshot 3 and Ubuntu on Hyper-V on ARM64 boot up without the kernel panic.
(After grub, however, the process seems to be stuck.)

Anyway, the original issue seems to be resolved. Closing this ticket.

Changed in ubuntu-cdimage:
status: New → Fix Released
Revision history for this message
Tobias Heider (tobhe) wrote :

Thanks for the update :)

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