Date: Tue, 17 Jul 2012 10:49:09 +1000 From: Peter Jeremy <peter@rulingia.com> To: Andy Young <ayoung@mosaicarchive.com> Cc: freebsd-hardware@freebsd.org Subject: Re: Server memory problems Message-ID: <20120717004909.GB66913@server.rulingia.com> In-Reply-To: <CAHMRaQeaKeGhaHOj%2B7RxQPjBs90uuMqNg3ttXKjgT4byP5TBsA@mail.gmail.com> References: <CAHMRaQeaKeGhaHOj%2B7RxQPjBs90uuMqNg3ttXKjgT4byP5TBsA@mail.gmail.com>
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[-- Attachment #1 --] On 2012-Jul-16 19:45:18 -0400, Andy Young <ayoung@mosaicarchive.com> wrote: >I am having trouble with one of our servers and I'm not sure what to try >next. It has a Supermicro H8DGi-F motherboard with two 16-core AMD >processors and two memory banks, one for each processor. When I originally >built it, I only had one processor and 40 GB of ram. Everything worked >awesome. I recently upgraded it, adding another processor and another 40 GB >of ram. It was incredibly unstable and constantly rebooted within minute or >two of uptime, sometimes it wouldn't even boot all the way before crashing >and rebooting again. ... >other ideas? Again, its perfectly stable with two processors and 64 GB of >memory but goes nuts when I more. Have you checked the motherboard notes to ensure that your configuration is supported? Is the BIOS up to date? What version of FreeBSD is this? And I presume it's amd64 rather than i386+PAE. Have you tried running memtest86 or memtest86+? (You might like to run both because ISTR only the former handles SMP). Can you capture the output from a verbose boot with all the memory installed? The SMAP and/or physical memory layout might offer a clue as to what is going wrong. -- Peter Jeremy [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlAEtoUACgkQ/opHv/APuIcu8gCdG4tIaomcl+dIj2JrTFanqxX2 K9gAn0yWlrARLw9tNqKQ8UKMabk6I0kw =Z1P6 -----END PGP SIGNATURE-----
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