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Date:      Fri, 11 Mar 2005 20:27:37 -0300
From:      Suporte Matik <asstec@matik.com.br>
To:        freebsd-bugs@freebsd.org, Jason Bacon <bacon@smithers.neuro.mcw.edu>
Cc:        FreeBSD-gnats-submit@freebsd.org
Subject:   Re: kern/78711: Parallel printer incredibly slow
Message-ID:  <200503112027.41010.asstec@matik.com.br>
In-Reply-To: <200503112242.j2BMgArp066753@smithers.neuro.mcw.edu>
References:  <200503112242.j2BMgArp066753@smithers.neuro.mcw.edu>

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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@sculpin.tds.net:/usr/obj/usr/src/sys/sculpin=
=20
> i386
>
> >Description:
>
> 	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.
>
> >How-To-Repeat:
>
> 	Print any lengthy document to the parallel printer.
>

any two lines text file needs 15 minutes to be printed

> >Fix:
>
> 	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=
ny=20
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
> 	device.hints.

doesn't matter what you set in the BIOS or whatever, any gray or colormode =
on=20
5.3 is that inacceptable slow

using the exactly same printer and port settings on 5.2.1 or 4.11 brings yo=
u=20
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=
e.


Hans


>
> >Release-Note:
> >Audit-Trail:
> >Unformatted:
>
> _______________________________________________
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> http://lists.freebsd.org/mailman/listinfo/freebsd-bugs
> To unsubscribe, send any mail to "freebsd-bugs-unsubscribe@freebsd.org"

=2D-=20


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