*BSD News Article 19958


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From: guido@gvr.win.tue.nl (Guido van Rooij)
Newsgroups: comp.os.386bsd.misc
Subject: Re: Three ESDI drives possible?
Date: 24 Aug 1993 19:50:45 GMT
Organization: Eindhoven University of Technology, The Netherlands
Lines: 47
Message-ID: <25drel$1cv@wzv.win.tue.nl>
References: <1993Aug20.023013.19454@sserve.cc.adfa.oz.au> <1993Aug20.115055.20044@cnplss5.cnps.philips.nl> <1993Aug20.155651.18766@leland.Stanford.EDU> <2574j5$65u@olivaw.apanix.apana.org.au>
NNTP-Posting-Host: gvr.win.tue.nl

hart@apanix.apana.org.au (Leigh Hart) writes:

>yergeau@leland.Stanford.EDU (Dan Yergeau) writes:

>>Where did you get this wd driver?  I'm running in a similar
>>configuration (second controller on 0x170 and irq 15) with a homebrew
>>merge of Helbekkmo's changes and patchkit-0.2.4.  I tend to get a fair
>>number of "wdc[01]: extra interrupt" and "stray interrupts" for IRQ 7(???).
>>Performance is good, and everything seems to work OK, but I would like
>>to eliminate these messages.

>I'm not sure what the "wdc[01]: extra interrupt" error is as I don't run
>a dual control system - but the stray interrupts you are getting on
>IRQ 7 is your printer driver.

Bullshit. I dont even have an lp? driver. In fact, my experience is that
the stray int 7 and the wd extra interrupt have the same cause. With 
different timings, I either 'gain' extra interrupts, and loose stray int
7's, or the other way around.
>In your config file (/sys/i386/conf/MACHINE_NAME), change the lines:
>#
># Interruptless printer driver
>#
>device		lpa0	at isa? port "IO_LPT1" tty

>to read like the following lines:
>#
># Interrupt driven printer driver? perhaps :)
>#
>device		lpt0	at isa? port "IO_LPT1" tty irq 7 vector lptintr

>then just reconfig and recompile and reinstall your kernel.  You will never
>get stray interrupts on IRQ 7 again :)


>Cheers

>Leigh
>--
>386BSD On a monochrome 16Mhz 386-SX with 6MB Ram & 2 40MB Drives.
>It works, but hey, don't install ingres or oracle on this baby!
-Guido
-- 
Guido van Rooij                 |  Internet: guido@gvr.win.tue.nl
Bisschopsmolen 16               |  Phone:    ++31.40.461433
5612 DS Eindhoven               |  ((12+144+20)+3*sqrt(4))/7 
The Netherlands                 |    +(5*11)=9^2+0