RISC-V on Ubuntu

I installed this release on my Unmatched and while it works nicely while alive, it crashes when attempting to shutdown via shutdown, shutdown -r, reboot, etc.

It prints the following over serial (https://hastebin.com/raw/naqoxuzuke).

journalctl doesn’t seem to show much of interest - I can see https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1922485 happening, and warnings about missing permissions during shutdown like:

Jun 24 01:52:41 acidburn systemd[1]: Failed to create compat systemd cgroup /system.slice/systemd-networkd-wait-online.service: Read-only file system
Jun 24 01:52:41 acidburn systemd[1]: Failed to attach 1086 to compat systemd cgroup /system.slice/systemd-networkd-wait-online.service: No such file or directory
Jun 24 01:52:41 acidburn systemd[1086]: Failed to attach 1086 to compat systemd cgroup /system.slice/systemd-networkd-wait-online.service: No such file or directory

and I see one real error in journalctl:

Jun 24 01:35:50 acidburn systemd[1]: Failed to trim compat systemd cgroup /dev-hugepages.mount: Read-only file system
Jun 24 01:35:50 acidburn systemd[1]: proc-sys-fs-binfmt_misc.automount: Got hangup/error on autofs pipe from kernel. Likely our automount point has been unmounted by someone or something else?
Jun 24 01:35:50 acidburn systemd[1]: proc-sys-fs-binfmt_misc.automount: Failed with result 'unmounted'.

What other debugging info can I gather to figure out what’s going on? Any ideas from just this stuff?

Thanks,
- nasamuffin

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