IdP session timeout

[Peter Schober]

* Szerb, Tamas <toma at rulez.org> [2014-12-15 11:33]:
> shibboleth.SessionManager has been raised to 8hrs = 28800000 in msec, and I
> still experience that the user when requested by the SP to authenticate at
> the IdP, however the log/TRACE tells that the session is found the user,
> but requested to type its password again.

What login handler(s) are you using? And did you adjust the matching
login handler's authentication duration? See
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPAuthnSession
which is linked from the documentation you referenced.
-peter