Date: Fri, 7 Aug 1998 13:28:31 -0700 (PDT) From: Mark D Smith <msmith@revolution.3-cities.com> To: gnat@frii.com (Nathan Torkington) Cc: freebsd-questions@FreeBSD.ORG Subject: Re: 512M in FreeBSD 2.2-STABLE+CAM Message-ID: <199808072028.NAA21859@revolution.3-cities.com> In-Reply-To: <199808071851.MAA08265@prometheus.frii.com> from "Nathan Torkington" at Aug 7, 98 12:51:12 pm
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BOUNCE_BUFFERS is unneccesary when using a PCI SCSI card. B_B option is only need on a VESA/ISA bus SCSI card and more than 16MB of ram. UNLESS that is, there's something radically different about CAM which I've not yet tried out. Mark > We've got a machine we'll be using for our web cache and primary DNS. > We want to put 512M of RAM in it and use the cam kernel. > > We duly built a 2.2-stable cam kernel configured for 512M of RAM, and > installed 512M in the machine. We had to enable the BOUNCE_BUFFERS > option for cam support. When we brought the machine up, it panicked > on startup when probing the disk controller (aic7890/91) and gave > "brkadrint" panic. > > We cut it back to 384M of RAM in the machine (still using the kernel > built for 512M) and it booted fine. > > Any pointers as to what could be going wrong? > > Thanks, > > Nat > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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