kern/78711: Parallel printer incredibly slow
asstec at matik.com.br
Sun Jul 3 00:48:29 GMT 2005
The following reply was made to PR kern/78711; it has been noted by GNATS.
From: Suporte Matik <asstec at matik.com.br>
To: freebsd-bugs at freebsd.org,
Jason Bacon <bacon at smithers.neuro.mcw.edu>
Cc: FreeBSD-gnats-submit at freebsd.org
Subject: Re: kern/78711: Parallel printer incredibly slow
Date: Fri, 11 Mar 2005 20:27:37 -0300
On Friday 11 March 2005 19:42, Jason Bacon wrote:
> >Number: 78711
> >Category: kern
> >Synopsis: Parallel printer incredibly slow
> >Confidential: no
> >Severity: serious
> >Release: FreeBSD 5.3-RELEASE i386
> FreeBSD sculpin.tds.net 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Sun Dec 19
> 15:26:36 CST 2004 bacon at sculpin.tds.net:/usr/obj/usr/src/sys/sculpin=
> The parallel printer runs ridiculously slow. It prints normally
> for about 30 seconds, then prints one line every 5 or 10 minutes.
> One photo from an iBook client to a Stylus 640 took about 12 hours
> using lpd server to a raw printer queue. A page from konqueror
> using stc_h driver with apsfilter took over an hour.
> Print any lengthy document to the parallel printer.
any two lines text file needs 15 minutes to be printed
> lptcontrol -s resolves the problem. This looks to me much
> like a timing issue that plagued some googlers in the late 1990s.
> Running in polled mode on this system does not impact the system
> (ASUS P5A, K6-2 500Mhz) significantly,
does not fix, the problem is as well with lpr and cups local/remote
the only way to get "some more speed" is using b/w and 150 dpi on a HPDJ, a=
gray or color mode is slow
> although it might on a faster, higher volume parallel printer.
> For this reason, forcing the mode to something other than COMPATIBLE
> via /boot/device.hints might be a better alternative for some
> people. Check your BIOS to see what modes are supported for the
> parallel port, and "man ppc" for details on port settings in
doesn't matter what you set in the BIOS or whatever, any gray or colormode =
5.3 is that inacceptable slow
using the exactly same printer and port settings on 5.2.1 or 4.11 brings yo=
back to the expected printing speed
you even can use the exact same clean ports tree and compiling cupsd +=20
foomatic and 5.3 is slow and 5.2.1 and 4.11 is normal speed
But printing to a remote cups tree from 5.3 is giving the normal performanc=
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