It seems that my Gmail account is suffering an update bug for the N9. If I set Gmail account schedule to be always updated (i.e. receive a push email everytime I get a new message), sometime it does not update at all, even if I get several new email.

The email app just says "last updated 15 min ago"; I need to update it manually to receive new massages, while it is supposed to be updating by itself immediately as soon as Gmail server get a new message.

Has somebody's got the same issue?

This is really annoying since I do not want to set Gmail account through Mail for Exchange, but using the Gmail option available.