[comp.sys.amiga] Got the track-40 blues.

tony@artecon.UUCP (03/02/87)

Ok, now I'm getting track #40 trashed.  What I have running is:

memclock  ( should not be a problem )
lav       ( another shouldnt be a problem, however, it needed a larger stack
		than the default)
Matt's shell (Latest version, it reports V2.03 22Oct86, but Matt said something
		about forgetting to change it to 2.04?)

ray  (as in DBW_render, running in its own window)

    The symptom is that I run 'ray' in its own window, and let the
shell remain idle, several hours later, a requestor reports a read/write
error, and diskdoctor reports a trashed track #40.

    I am running with 1.2 workbench with stack set to 20000.

    I remember that somepeople have had this problem with the 'M' versions
of the shell, but I am not using one of the 'M' versions, just the normal
version.

Any ideas or suggestions??

Also, I am having one other interesting interaction between the shell
and AmigaMon.  If run mon then check the open files, no problem, then
I get back to the shell, do a dev on the disk, then run mon again,
do an open files check, then it gurus.  (I think the number was
000...003.0000A17 (unfortunately, I left the number at home.)


-- 
**************** Insert 'Standard' Disclaimer here:  OOP ACK! *****************
*  Tony Parkhurst -- {hplabs|sdcsvax|ncr-sd|hpfcla|ihnp4}!hp-sdd!artecon!adp  *
*                -OR-      hp-sdd!artecon!adp@nosc.ARPA                       *
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dillon@CORY.BERKELEY.EDU.UUCP (03/04/87)

	The problem seems to be caused by the Blitter Bug, as far as I
can figure out.  At least, it seems to crop up whenever I do disk I/O
simultaniously with a DEMO program which does a lot-of-little-blits.

	(Question to C-A: Is it possible to look at the count or address
register to tell if the blit has started or not?)

	It doesn't seem to be related to the M versions of my shell by
Steve Drew.... it has happened to me with a normal shell.  I'm currently
doing tests from a bare CLI (but I think it's a problem with the blitter).

					-Matt