From owner-freebsd-bugs@FreeBSD.ORG  Sat Mar 12 15:17:03 2005
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To: Suporte Matik <asstec@matik.com.br>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 12 Mar 2005 15:10:05 GMT."
             <200503121510.j2CFA5Dm015348@freefall.freebsd.org> 
Date: Sat, 12 Mar 2005 16:16:56 +0100
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cc: freebsd-bugs@freebsd.org
Subject: Re: kern/78711: Parallel printer incredibly slow 
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In message <200503121510.j2CFA5Dm015348@freefall.freebsd.org>, Suporte Matik wr
ites:

> I increased it in 500er steps to 2500 (500 was default) and nothing=20
> changed in printing speed but the stray irq7 events do not appear=20
> anymore.=20

set it to a million.  Parallel ports interrupt per every character
(until somebody implements DMA he said knowingly, nudge nudge, wink wink!)


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.