[unix-pc.general] Spurious interurupt - what is it?

wilber@alice.UUCP (03/28/88)

What does

    Spurious interrupt - level 2

in the unix.log file mean?  I've been getting lots of these.

Bob Wilber   Work: UUCP: {allegra, mtune, ihnp4}!gauss!wilber
                   ARPA: wilber@research.att.com
             Home: UUCP: {allegra, mtune, ihnp4}!gauss!heaven!wilber
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jeff@cjsa.UUCP (C. Jeffery Small) (03/30/88)

In article <7770@alice.UUCP>, wilber@alice.UUCP writes:
> What does
> 
>     Spurious interrupt - level 2
> 
> in the unix.log file mean?  I've been getting lots of these.

I believe that both the winchester and the parallel printer port can
generate this message.  Typically though, a couple of these messages get
logged each time you turn on/off the printer connected to the parallel port.
To see if this is the case,  empty out the /usr/adm/unix.log file and then
toggle your printer on/off.  Recheck the file and see if these messages
haven't been recorded.

I have been receiving from 4 to 20 of these messages a day for over
2 years without any adverse affects.

--
Jeffery Small          (203) 776-2000     UUCP:   uunet!---\
C. Jeffery Small and Associates	                  ihnp4!--- hsi!cjsa!jeff
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jcs@tarkus.UUCP (John C. Sucilla) (04/01/88)

In article <102@cjsa.UUCP> jeff@cjsa.UUCP (C. Jeffery Small) writes:
>In article <7770@alice.UUCP>, wilber@alice.UUCP writes:
>> What does
>>     Spurious interrupt - level 2
>> in the unix.log file mean?  I've been getting lots of these.
>
>I believe that both the winchester and the parallel printer port can
>generate this message.  Typically though, a couple of these messages get

If you find that it is your printer causing the problem you should be
able to get rid of it by making sure you do a "disable" *before* you
power it down and an "enable" *after* you power it up.
Power cycling my printer without doing this used to crash my 3b1 every
once in a while. It never happens any more and I never get messages like
you described in my log file.
-- 
John "C" Sucilla
{ihnp4}!tarkus!jcs

Don't let reality stop you....