Date: Sat, 20 Apr 2013 19:35:49 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: Justin Hibbits <chmeeedalf@gmail.com> Cc: freebsd-ppc@freebsd.org Subject: Re: Can't use 16GB RAM in G5 Message-ID: <5172D1F5.8000204@fgznet.ch> In-Reply-To: <20130418181212.1599d303@narn> References: <20130418181212.1599d303@narn>
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On 19.04.13 03:12, Justin Hibbits wrote: > Just bought some fancy 12GB RAM for my G5 (late 2005, DC 2.3GHz), to > bring the total to 16GB. But, if I max it out, the boot hangs after: > > KDB: current backend: ddb Here too, but only sometimes, 14GB in a quad. Power cycle up to 3/4 times and then it boots successfully. Once it booted it is rock stable. > Sits there, then the fans start spinning up. Removing the outer two > sticks makes it boot completely, but then I only have 12GB. I know all > sticks work, and that the outer two slots work, from testing for a bad > stick earlier. > > Any known issues with that much memory? Has anyone tried it on ppc? > Methinks there's something involved with the pmap code, but I know > nothing about that code. I didn't bother so far. My uptime is around half a day a week. Andreas
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