subiquity.ui.views.snaplist:406 could not find source at '/media/filesystem/var/lib/snapd/seed/seed.yaml'

[Heinrich Schuchardt]

Trying to install on riscv64 with https://github.com/canonical/subiquity/commit/f9ce537053d90eb6f1dc0a9d082ca0bc102edbfc
I see the following error in the logs:

2022-03-16 08:18:01,097 ERROR subiquity.ui.views.snaplist:406 could not find source at '/media/filesystem/var/lib/snapd/seed/seed.yaml'
Traceback (most recent call last):
  File "/snap/subiquity/x1/lib/python3.8/site-packages/subiquity/ui/views/snaplist.py", line 403, in get_seed_yaml
    with open(seed_location, encoding='utf-8', errors='replace') as fp:
FileNotFoundError: [Errno 2] No such file or directory: '/media/filesystem/var/lib/snapd/seed/seed.yaml'

/var/lib/snapd/seed/seed.yaml exists via mount
/cow on / type overlay (rw,relatime,lowerdir=/ubuntu-server-minimal.ubuntu-server.installer.generic.squashfs:/ubuntu-server-minimal.ubuntu-server.installer.squashfs:/ubuntu-server-minimal.ubuntu-server.squashfs:/ubuntu-server-minimal.squashfs,upperdir=/cow/upper,workdir=/cow/work,xino=off)