SnapD caused I/O errors, boot anomalies and constant file system checks

You’ve provided no specifics for us to provide support on, eg. the Support and Help Start Here page says

You’ve not mentioned any Ubuntu product and release detail we’re to provide help with, if you’re using a LTS release (which has kernel stack & other options) what you actually tried.

For a bug report to be filed, someone would need to re-create it, then file the report on the bug tracker (launchpad) using ubuntu-bug, or online followed by using apport-collect so the fields of the bug report can be auto-populated (its rather time consuming otherwise).

I see no clear details as to what someone would test for anyway; by default I’d start with the current development release (ie. Ubuntu questing), as that’s the easiest release for bugs to be fixed with, but I don’t know if you were using anything modern or a much older release.

If you want a bug report filed, I’ll suggest you do it yourself, by making your report on a bug tracker, and use the install where you encounter the actual problem using apport of bug tools, so package and other version details are all added to the report.