*BSD News Article 61057


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From: Francis Hitchens <hitchens@epa001.enet.dec.com>
Subject: Help: SCSI adapter not taking commands, frozen! problem.
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Date: Fri, 9 Feb 1996 08:12:58 GMT
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Hi,

I have been trying to install 2.1 from the Walnut Creek CD onto a
IBM DPES 31080 SCSI II disk hanging on an adaptec 1542 card. The disk
has an initial msdog partition of 500mb with the remaining space being
split up into 3 bsd slices, 30mb root, 30mb swap, rest /usr.

What seems to happen is that the root partition gets written ok, but
when it tries to write to the /usr partition the following error
occurs and the adaptec controller hangs.

"sd0(aha0:0:0:) adapter not taking commands. frozen!"

The only option then left is to reboot.

Is my problem something to do with the adaptec bios disc geometry
(< 1gb) being different to the actual geometry (> 1gb) ?

I have been able to install onto a smaller 300mb SCSI I disc on the
same adapter without any problem.

regards francis j. hitchens