On Wed, 09 Mar 2011 22:14:55 +0100, Xavier Maillard <xma@gnu.org> wrote:
> I did update and restarted emacs, yes. 
> Pressing RET on any message failed with the given backtrace. It also
> just displays headers but nothing about the content which is just
> trashed away (in the backtrace); any child message is also just trashed.

Hey, Xavier.  Let's go back a step.  Do you see the same problem when
you view the message from the command line?  Try:

notmuch show --format=json --verify id:87ei6h41s6.fsf@servo.finestructure.net

Do you see the body of the message ok in the json output?

jamie.