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Lisp stopped itself (still)



    Date: Tue, 17 Sep 1991 16:58-0000
    From: barmar@Think.COM (Barry Margolin)

	Date: Tue, 17 Sep 1991 11:15 EDT
	From: Scott_Busse%mindlink.bc.ca@Warbucks.AI.SRI.COM (Scott Busse)

        [...]

	Test disks
	Label for unit 0: 1635 cylinders, 15 heads, 24 pages/track,
	 Id = 0, Fast mode = 1, Root at 30(8)
	Pack name: DE-00355
	Testing disk unit 0
	Testing heads
	Testing cylinders
	Error reading cylinder 1635 head 0 sector 0 on unit 0
	Too many retries for unit 0. Last error was: Timed out waiting for
	 seek to cylinder 1635
	(there appears to be 1635 cylinders)
	Testing sectors
	Error while mounting unit 1: Select error on unit 1 during unit
	 select
	(* This last line was repeated for units 2,3,4,5,6,7 since there's
	(* only 1 drive I suppose.
	(* It seems that that last cylinder should have been omitted at
	(* format time.?

    You can ignore that error, it always happens.  For some reason, Test
    Disks always tries to access one extra cylinder (maybe it's just
    verifying the information in the label).

>From my experience, it only tests one extra if the initial disk setup
was wrong. When show disk types says there are 1635 cylinders, one
answers Format .. 0 through 1634. If you say 0 through 1635, you get the
above error (ie. count from 0 a la DO).