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Date: Mon, 12 Jan 1998 23:14:36 -0800 (PST)
From: Doug White <dwhite@gdi.uoregon.edu>
Reply-To: Doug White <dwhite@resnet.uoregon.edu>
To: felix@royal.net
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: ATAPI Controller not ready?
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On Sun, 11 Jan 1998, Aled Treharne wrote:

> I got rather a strange message the other day. I have 2.2.2 on my machine
> and was attempting to upgrade to 2.2.5. While copying some files from the
> CD (which is attached to the IDE controller on the plug'n'pray sound
> card) the system went slightly awry. I got the following error:
> ATAPI 1.1 : Controller not ready for cmd

Set your BIOS's `Plug & Play OS' option to `No' or `None'.  Your sound
card is taking defaults and that is probably stomping on your tertiary IDE
controller.  (yeah, it's conflicting with itself.)

> The current process locked, and I was unable to umount the CD-ROM, even
> with the -f flag. lsof showed no open files on the CDROM. Now, whenever I
> use either windoze 95 or FBSD on my machine, the CDROM is accessed at
> random for no apparent reason, and while the CDROM is being accessed, my
> machine locks for a short period. This also causes windoze to crash, but
> in a very strange way - it suddenly flicks to the "It is now safe to turn
> your machine off" screen, with no intervening messages.

That's IDE for you -- lock the system while we borrow your CPU to move
data to the disk.  But I think you're running into interrupt conflicts.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major