The following reply was made to PR port-sgimips/36158; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
To: gnats-bugs@NetBSD.org
Cc: tsutsui@ceres.dti.ne.jp
Subject: Re: port-sgimips/36158: SGI O2 memory detection issues
Date: Fri, 11 May 2007 22:32:58 +0900

 Currently NetBSD/mips can only use RAM which can be accessed
 via KSEG0/KSEG1, but on O2 only first 256MB is mapped on KSEG0/KSEG1
 (maybe for backward compatiblility).
 
 We need a new pmap for real mips64 to handle whole RAM.
 ---
 Izumi Tsutsui