Date: Mon, 9 Oct 2000 14:09:40 -0700 From: Gary Kline <kline@thought.org> To: Gerhard Sittig <Gerhard.Sittig@gmx.net> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: the ``stray irq 7'' is back Message-ID: <20001009140940.A17746@tao.thought.org> In-Reply-To: <20001009195342.U31338@speedy.gsinet>; from Gerhard.Sittig@gmx.net on Mon, Oct 09, 2000 at 07:53:42PM %2B0200 References: <200010080018.e980IUY02824@thought.org> <Pine.BSF.4.21.0010082131030.79640-100000@resnet.uoregon.edu> <20001009195342.U31338@speedy.gsinet>
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On Mon, Oct 09, 2000 at 07:53:42PM +0200, Gerhard Sittig wrote: > On Sun, Oct 08, 2000 at 21:31 -0700, Doug White wrote: > > > > Gary, your motherboard is cursed. I have one too; live with it. > > > > Stray IRQ 7s are _normal_. > > Jumping in late, but ... > > I know "stray irqs" from when hardware is "disabled" or you have > hardware in the machine the OS doesn't support and thus doesn't > register drivers or resources for. That's when the events end up > in the "stray" (i.e. "unexpected since not caused by me") > handler. Sound cards were known to cause this some five to eight > years ago. Some irq7 got triggered "by chance" without the lpt > driver thinking it has done it or some such. And I've seem > machines with crackling sound in the speaker boxes whenever print > jobs via lpt were executed. It must have been some kind of cross > over noise, maybe not enough or defective separation of > electrical paths or something. > After cleaning both ends of the cable, it's possible that one end or the other (or both) weren't reconnected correctly; thanks for this information. When something as mundane as this suddenly quits after several years, I'm ready to believe anything! gary -- Gary D. Kline kline@tao.thought.org Public service Unix To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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