Date: Fri, 25 Sep 1998 08:08:21 +1000 From: Bruce Evans <bde@zeta.org.au> To: gibbs@plutotech.com, mike@smith.net.au Cc: bde@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: options DPT_LOST_IRQ Message-ID: <199809242208.IAA32108@godzilla.zeta.org.au>
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>> If it stops asserting the interrupt, we should get a stray interrupt >> reported when we go to clear the pending mask. Is this what is happening? > >I don't actually think we should; the stray interrupt feature occurs >when an edge is seen on an interrupt line, but when the latch fires >(one or two clocks later?) there is nothing there to latch. This is >the way the 8259 works; PCI and APIC interrupt behaviour is still largely >a mystery to me. To me too. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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