disk I/O error (10) while executing query: ATTACH DATABASE '/opt/local/var/macports/registry/registry.db' AS registry

[Jeremy Lavergne]

> I do not believe I have any disk problem. Disk Utility shows no problem. I
> am able to copy the registry file just fine without any I/O errors.

That is an SQLite-specific error message, and not the foreboding of the
kernel.