[comp.sys.mac.misc] Buzz, Buzz ?!

gampell@hpccc.HP.COM (David J. Gampell) (07/24/90)

I am posting this for my sister-in-law, so the details may be sketchy...

She has been experiencing annoying and unusual crashes with her SE and the
*manufacturer's* versions of Microsoft Word 4.0 and ThinkC.  She is using
Finder and System 6.02.  The symptoms are as follows.  In Microsoft Word,
after many selections, menu picks, etc., the program suddenly crashes (but
not all the time!)  The bomb comes up and an unusual buzzing sound emanates
from the computer.  The display also flickers quickly.  With the ThinkC
program, the same flicker and buzzing occurs, but there is no rhyme or reason
to when it happens.

I'm just an electrical engineer :-) but this sounds to me like a hardware
problem of some kind (esp. the buzzing!)  Has anyone on the net experienced
this kind of problem before?  Any and all help appreciated.

Thanks,

Dave Gampell
dave@hpoclpa.hp.com
(408) 435-6680

Disclaimer:  Stop what you're doing and get back to work!

gampell@hpccc.HP.COM (David J. Gampell) (07/25/90)

THANKS to all for e-mailing me so many responses so quickly!  They're probably
still rolling in, but I thought I'd post what I've received up to now.  The
leading contenders appear to be viruses and/or INITs.  My sister-in-law's SE
has been disinfected by SAM---is there any reason to suppose this wouldn't
catch the viruses that could be causing the problem?  I'm leaning toward INITs;
although I'm not completely sure, I believe she does have some non-standard
INITs that may indeed be responsible.  The third place culprit is the system
software itself...this will be a last-resort solution for her, since the time
involved is lengthy.

Again, THANKS TO ALL ON THE NET ! ! !

Regards,

Dave Gampell
dave@hpoclpa.hp.com
(408)435-6680

Disclaimer:  HP says, "Stop what you're doing and get back to work!"

--------------------
From PSCCHRIS@ubvmsc.cc.buffalo.edu Tue Jul 24 13:55 PDT 1990
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Date: Tue, 24 Jul 90 16:40 EST
From: PSCCHRIS@ubvmsc.cc.buffalo.edu
Subject: SE crashes
To: dave@hpoclpa.hp.COM
Message-Id: <5D73F092D5FF804F6F@UBVMS.BITNET>
X-Organization: University at Buffalo
X-Envelope-To: dave@hpoclpa.hp.COM
X-Vms-To: IN%"dave@hpoclpa.hp.com"


Ugly, isn't it?  My SE crashed similarly, along with other peculiar
symptoms.  After much consulting, I replaced the 1 meg SIMMs ( I had
upgraded to 2.5) and so far (only a few weeks), the number of crashes
is way down (although still not 0).  There is one application (O.K., it's
a game) that still crashes in about the manner you mention, but Word
and most other stuff run fine.  Bottom line: probably a hardware
problem, maybe the SIMMs, but you're sure to get more knowledgable
answers.  Either mail me or post a summary if something good surfaces.

Good luck
Chris Holoman
Dept of Political Science
University at Buffalo
Pscchris@ubvms.cc.buffalo.edu

Ooops-add "s" to "run" above

From ladd@uhccux.uhcc.Hawaii.Edu Tue Jul 24 15:41 PDT 1990
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Date: Tue, 24 Jul 1990 12:38:45 GMT-10:00
From: Dennis Ladd <ladd@uhccux.uhcc.Hawaii.Edu>
To: dave@hpoclpa.hp.com
Subject: Buzzing Mac
Message-Id: <CMM.0.88.648859125.ladd@uhccux.uhcc.Hawaii.Edu>

  Dave Gampell--
  I had the exact same thing happen to me on my Plus three times in the past
year. In manoa Valley where I live in Hawaii, we have a lot of power
brownouts. The first two times were during a particularly bad week. This last
time was when I had the TV and the Plus on at the same time on the same line,
watching the Nagoya Sumo wrestling tournament. Maybe all that excess poundage
did it in. The week we got full power back everything was fine and turning
off the TV and rebooting got me going again.
  I would be interested in seeing a post of all the answers you get.
  --Dennis Ladd

From @hp-sde.sde.hp.com,@CORNELLC.cit.cornell.edu:OWEN@uwastm.phys.washington.edu Tue Jul 24 17:47 PDT 1990
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From: Russell Owen <OWEN%uwastm.phys.washington.edu@CORNELLC.cit.cornell.edu>
Subject: SE crashes
To: gampell@hpccc.HP.COM
X-Vms-To: IN%"gampell@hpccc.HP.COM"

Some things to try:

1) if using Multifinder, go to Finder and select About Finder...
this brings up a bar graph showing memory usage. See if System
is almost out of memory (bar mostly black, very little white).
Ideally there should be about 25% white. Anyway, if low,
this can cause random crashes. To fix, get HeapFixer (possibly
download from sumex-aim, or I may be able to legally send a copy,
I can check). Mostly this occurs if you use a lot of INITs,
otherwise it should not occur.

2) Corrupted system software. Delete System and Finder and reinstall
the software (this requires original Apple system disks, and some patience).
It is NOT good enough to simply re-install over the existing system
and finder, and existing corrupted resources will still be there.

3) Virus. Not all that likely, but might as well get Disinfectant 2.0
(from sumex-aim.stanford.edu or wherever) and run it. It's free, and
well worth the time spent. While you're at it, choose "install INIT"
and you'll be protected against infection from KNOWN viruses (not as
safe as Gatekeeper and other protecters, but also not as annoying;
read the docs).

4) Hardware problems, as you speculate. Talk to a shop, preferably NOT
an Apple Authorized Dealer, since they don't know how to actually FIX
things, just swap boards. Maybe check the power supply voltage?
But my guess is a software problem -- that buzzing and flickering screen
usually means some system memory has been overwritten.

-- Russell

From Tom.Lane@ZOG.CS.CMU.EDU Tue Jul 24 17:47 PDT 1990
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Date: Tue, 24 Jul 1990 20:29-EDT 
From: Tom.Lane@ZOG.CS.CMU.EDU
To: "David J. Gampell" <gampell@hpccc.HP.COM>
Subject: Re: Buzz, Buzz ?!
Message-Id: <648865753/tgl@ZOG.CS.CMU.EDU>
In-Reply-To: David J. Gampell's netnews message of 24 Jul 90 16:13:20 GMT

Dave,
  I doubt your sister-in-law has hardware problems.  The flickering
and buzzing are fairly common byproducts of Mac system crashes, as
both the video and audio outputs are memory-mapped.  Apparently
it's pretty easy to start fetching instructions from the audio
output registers :-)

Assuming that she has clean copies of Word and Think C, it could be
that her problems are due to using System 6.0.2, which is now
a rather old version.  She should check with Microsoft and Symantec
to see if there are any known compatibility problems there; if so,
upgrade to a more recent System release.

A much more likely cause is that she has an incompatible set of INITs.
INIT-writing is nearly as much of a black art as writing TSRs for PCs,
if you are familiar with that marketplace (and for much the same
reasons).  She should try paring down to no INITs, then adding them
back one at a time until the problem reappears.  Note that it's usually
a combination of two or more INITs that causes trouble, rather than
any one INIT by its lonesome.

Finally (I hesitate to mention this, cause it's usually the first thing
people holler) she could be suffering from a virus.  Most of the
viruses out there are pretty poorly written and tend to cause system
crashes, even when that's not what the author intended :-).  Get a copy
of Disinfectant 2.0, or one of the commercial anti-virus kits, and see
if it finds anything.

Good luck.

-- 
				tom lane
Internet: tgl@cs.cmu.edu
UUCP: <your favorite internet/arpanet gateway>!cs.cmu.edu!tgl
BITNET: tgl%cs.cmu.edu@cmuccvma
CompuServe: >internet:tgl@cs.cmu.edu

From barry@playfair.stanford.edu Wed Jul 25 01:56 PDT 1990
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From: Barrett P. Eynon <barry@playfair.stanford.edu>
To: gampell@hpccc.hp.com
Subject: Re: Buzz, Buzz ?!
Newsgroups: comp.sys.mac
In-Reply-To: <5360053@hpccc.HP.COM>
Organization: Stanford University
Cc: 


Sounds like a virus. Get Disinfectant 2.0 from sumex.stanford.edu
or other archive site and check it out.
-- 
Barry Eynon
barry@playfair.stanford.edu        


From @hp-sde.sde.hp.com,@bingvaxu.cc.binghamton.edu:consp22@bingsuns.cc.binghamton.edu Wed Jul 25 04:20 PDT 1990
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To: gampell@hpccc.HP.COM (David J. Gampell)
Subject: Re: Buzz, Buzz ?!

Well, that buzzing usually occurs in rather nasty crashes, i.e. all
sorts of garbage fed to the sound manager and video manager type stuff.

Does she have any INITs that load in upon startup?  Is the machine set
up properly?  Does it have an external HD that may not be connected properly?

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From jdevoto@apple.com Wed Jul 25 04:29 PDT 1990
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From: Jeanne A. E. DeVoto <jdevoto@apple.com>
Message-Id: <9007251127.AA00411@apple.com>
To: gampell@hpccc.HP.COM
Subject: Re: Buzz, Buzz ?!
Newsgroups: comp.sys.mac.misc
In-Reply-To: <5360053@hpccc.HP.COM>
Organization: Apple Computer Inc, Cupertino, CA
Cc: 

In article <5360053@hpccc.HP.COM> you write:
>She has been experiencing annoying and unusual crashes with her SE and the
>*manufacturer's* versions of Microsoft Word 4.0 and ThinkC.  She is using
>Finder and System 6.02.  The symptoms are as follows.  In Microsoft Word,
>after many selections, menu picks, etc., the program suddenly crashes (but
>not all the time!)  The bomb comes up and an unusual buzzing sound emanates
>from the computer.  The display also flickers quickly.  With the ThinkC
>program, the same flicker and buzzing occurs, but there is no rhyme or reason
>to when it happens.
>
>I'm just an electrical engineer :-) but this sounds to me like a hardware
>problem of some kind (esp. the buzzing!)  Has anyone on the net experienced
>this kind of problem before?  Any and all help appreciated.

It's not a hardware problem. What's happening is that during the crash,
the alternate video buffer and/or the sound buffer are getting overwritten
with garbage. This is what causes the flickering and buzzing.

I'd suggest she trash the system software and the applications that she's
having crashes in and reinstall them from the master disks. These unexplained
crashes are often fixed when the software is reinstalled.

If she has any nonstandard INITs (Startup Documents or Control Panel
Documents) in her System Folder, she should try temporarily removing them.
If the crashes stop after she reboots without any INITs, the problem is
likely due to an INIT conflict and she should add them back in one at a time
to determine which INIT is causing the problem.
-- 
========= jeanne a. e. devoto ========================================
 jdevoto@apple.com     |  You may not distribute this article under a
 jdevoto@well.sf.ca.us |  compilation copyright without my permission.
______________________________________________________________________
 Apple Computer and I are not authorized      |        CI$: 72411,165
 to speak for each other.                     |

From isr@rodan.acs.syr.edu Wed Jul 25 08:46 PDT 1990
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From: isr@rodan.acs.syr.edu (Michael S. Schechter - ISR group account)
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To: gampell@hpccc.hp.com
Subject: Re: Buzz, Buzz ?!
Newsgroups: comp.sys.mac
In-Reply-To: <5360053@hpccc.HP.COM>
Organization: Syracuse University, Syracuse, NY
Cc: 



actually it's a fairly common thing to see if you're writing code.
it means you've written over all sorts of interesting parts of the
OS, including the sound and video control portions and are asking
your hardwar to do random things. Sorta expected by us dummies you
insist on using C.
  As far as Word doing it, well, after all it *is* from Microsoft,
who brought us messydos.

Actually, I'd suspect the System,Finder, etc. check for viruses,
then replace the system stuff (even if no viruses found) then see
how it works out.
-- 
Mike Schechter, Computer Engineer,Institute Sensory Research, Syracuse Univ.
InterNet: isr@rodan.acs.syr.edu   Bitnet: SENSORY@SUNRISE 

fritzw@pro-sol.cts.com (Fritz A. Wonnacott) (07/25/90)

In-Reply-To: message from gampell@hpccc.HP.COM

Tell her to upgrade to at least System 6.0.4, preferably 6.0.5.  Earlier
versions were buggy.


ProLine: fritzw@pro-sol
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