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Date: Mon, 18 Mar 2002 20:21:36 +0100
From: Pavel Machek <pavel@suse.cz>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: Martin Dalecki <dalecki@evision-ventures.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch] My AMD IDE driver, v2.7
Message-ID: <20020318192136.GC194@elf.ucw.cz>
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Hi!

> > > You may happen to have the numbers, though - that should be enough.
> > > 
> > > Btw, I have a CMD640B based PCI card lying around here, but never
> > > managed to get it generate any interrupts, though the rest seems to be
> > > working.
> > 
> > Attach it to the timer interrupt -- that should do it for testing. Simplest
> > way is to make ide timeouts HZ/100 and killing "lost interrupt" msg ;-).
> 
> Well, it seems like we'll have to something like this anyway. Some chips
> sometimes forget to assert the IRQ after a transfer due to HW bugs, and
> some PIIX3s are reported to do it quite often.

What is "quite often"? Unless it is more than once in a hour, current
code is just okay... (It waits for timeout, which is about 30 sec?,
then recovers).
									Pavel
-- 
(about SSSCA) "I don't say this lightly.  However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
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