Date: Mon, 13 Mar 2006 13:57:53 -0700 From: Scott Long <scottl@samsco.org> To: Kris Kennaway <kris@obsecurity.org> Cc: amd64@freebsd.org, questions@freebsd.org, Nathan Vidican <nvidican@wmptl.com> Subject: Re: 6.0-RELEASE/AMD64 Ram Capacity? Message-ID: <4415DCD1.20603@samsco.org> In-Reply-To: <20060313202707.GA99442@xor.obsecurity.org> References: <4411D6D8.5030101@wmptl.com> <20060313202707.GA99442@xor.obsecurity.org>
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Kris Kennaway wrote: > On Fri, Mar 10, 2006 at 02:43:20PM -0500, Nathan Vidican wrote: > >>I seem to recall various threads relating to problems with machines running >>at or above 4GB ram... what if any issues still exist? > > > The only potential issues are with specific drivers (e.g. ata). > Search the amd64 mailing list archives for more discussion. > > Kris Ok, off the top of my head: Storage drivers that are known to work with amd64 and 4GB of RAM or more: aac amr iir (6.1 and above only) ips ahc ahd ciss arcmsr mpt isp Storage drivers that should work, but might need more testing and validation: twa twe mlx mly amd trm Storage drivers that are known to have problems under load: ata hptmv Storage drivers that simply will not work:: asr asr asr asr asr pst ida sym This list isn't definitive, and I've purposely excluded ISA controllers and controllers that are significantly out of date, but it's close enough to give you a good idea of what to shop for. Personally, I feel a bit bad that ata and sym aren't in the first group, but there are only so many hours in the day. Both present interesting challenges. Scott
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