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Date:      Wed, 15 Jun 2005 15:56:44 -0500
From:      Paul Schmehl <pauls@utdallas.edu>
To:        asa@ma3x.net, freebsd-questions@freebsd.org
Subject:   Re: Very slow printing on 5.4 with cups anh HP LaserJet 4L
Message-ID:  <8A7DE9FA97AE7A1BE74325FA@utd59514.utdallas.edu>
In-Reply-To: <60054.212.116.143.100.1118829379.squirrel@mail.ma3x.net>
References:  <60054.212.116.143.100.1118829379.squirrel@mail.ma3x.net>

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--On Wednesday, June 15, 2005 12:56:19 +0300 asa@ma3x.net wrote:
>
> I have a problem with very slow printing after replacing 4.1 instalation
> with new 5.4 instalation (clean install, not upgrade). The printer is HP
> 4L, and i use it with up to date CUPS (all packages + gimp-print). With
> both CUPS ang gimp-print drivers and default port settings the dokument
> printing speed is about 8k each 1 minute (acording to CUPS web interface).
> There are no error messages from the kernel. With hint.ppc.0.falgs="0x20"
> or "0x80" there is the same effect.
>
> With hint.ppc.0.falgs="0x20", "0x40", "0x48" and "0x88" CUPS web interface
> shows taht first 32k are sent instantly. Then 'Interrupt storm detected on
> "irq5: lpt0"; throttling interrupt source' kernel error message apears and
> the rest of the document prints slow, as in the first example.
>
> I tried this with several standard and HP bidirectional cables. I also
> tried all possible BIOS settings for the port.
>
> The old 4.1 instalation prints without problems.
>
I had the exact same problem, except with a Deskjet 932C.  Someone on the 
list said "man lptcontrol" and set your printer to "poll".

I used this command:
% lptcontrol -p -d /dev/lpt0
and it fixed my problem.

Paul Schmehl (pauls@utdallas.edu)
Adjunct Information Security Officer
University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu/ir/security/



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