[Bug 2146772] Re: Subiquity (Flutter) instantly skips to "Success" screen without performing installation in Ubuntu 26.04 Resolute Racoon Beta in kvm/virt-manager.

[Olivier Gayot]

** Also affects: ubuntu-desktop-provision
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2146772

Title:
  Subiquity (Flutter) instantly skips to "Success" screen without
  performing installation in Ubuntu 26.04 Resolute Racoon Beta in
  kvm/virt-manager.

Status in ubuntu-desktop-provision:
  New
Status in subiquity package in Ubuntu:
  New

Bug description:
  On the latest Ubuntu 26.04 Resolute Racoon Beta (daily build, downloaded on 29/03/2026), Subiquity instantly skips to "Ubuntu 26.04 is installed and ready to use" screen without performing the install on KVM/Virt-Manager. This happens even if I update the installer or not, and even if I partition the drive or not.
  My host machine's specs are as follows:

  Model: ThinkPad X1 Carbon 5th Gen (i7-7500U)

  Host OS: Arch Linux (Kernel 6.19.8-arch1-1)

  Storage: Toshiba NVMe SSD (Host root is Btrfs)

  Hypervisor: Virtual Machine Manager (virt-manager) / libvirt

  I want to make this clear that all versions of Ubuntu Linux and all
  other Linux distributions I have tried in the past worked with this
  configuration and hypervisor.

  As for the versions of Subiquity, I tried both the updated one that
  was offered to me in the install process and the version on the ISO as
  of downloading it.

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