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Date:      Thu, 29 Jun 2000 16:06:26 -0400 (EDT)
From:      Lint^^ <lint@satan.reject.org>
To:        freebsd-stable@freebsd.org, freebsd-questions@freebsd.org
Subject:   installation on Dell Precision 620 (AIC-7899)
Message-ID:  <Pine.BSO.4.21.0006291605050.16445-100000@satan.reject.org>

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hello, i apologize for previous threading.

the problem is that the FreeBSD boot images (kern, mfsroot) do not see da0
and da1. this results in a 'disks not found' error in sysinstall. some
background: the machine is a newly delivered Dell Precision 620. the scsi
controller is an Adaptec AIC-7899, and there are two Quantum 10k RPM
17.4GB disks (specifically, Quantum model ATLAS10K2-TY184L) on it, as well
as a tape backup drive (ARCHIVE Python 06240-XXX, Revision 8071). i had
thought before that the issue may have something to do with RAID, so i've
deleted the arrays that the machine shipped with and am just using the
disks as standalone devices. i have also done a low-level format on each
disk, as suggested in a previous message to freebsd-hardware. all this
results in the same thing: the boot kernel detects the controller as ahc0,
but fails to detect any disks. i decided to try booting a slackware 7
cdrom to see if it had similar problems (kernel version 2.2.13), and it
sees everything without issue (tape, scsi controller, scsi disks). this
also works when the disks are part of a RAID0 array, as defined in the
utility shipped with the machine...  for these reasons i've narrowed it
down to the boot images. previous posts to freebsd-current have suggested
that these controllers work fine under 4.0-STABLE, and at reduced capacity
under 4.0-RELEASE. as another test, i booted the latest floppy images from
the 20000626 5.0-STABLE branch, with the same result: controller found,
disks not. does anyone else have this problem with the boot images, or is
it just me?

i am thinking that since linux 2.2.13 sees everything, the hardware
configuration is ok... unless it has to be configured a specific way to
jive with FreeBSD?

i'm stumped... any insight is very very greatly appreciated. thank you.

adam




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