kern/78711: Parallel printer incredibly slow
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat Mar 12 07:17:03 PST 2005
In message <200503121510.j2CFA5Dm015348 at 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 at 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.
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