It's certainly worth investigating the source of lag during shutdown and startup. Restarting Unity from the command line is generally fairly fast, so it's likely something session-related, but without numbers there is no way to definitively pinpoint the cause.
It's certainly worth investigating the source of lag during shutdown and startup. Restarting Unity from the command line is generally fairly fast, so it's likely something session-related, but without numbers there is no way to definitively pinpoint the cause.