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Date:      Wed, 3 Aug 2005 09:11:23 +0200
From:      Roland Smith <rsmith@xs4all.nl>
To:        dave <dmehler26@woh.rr.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: interrupt issue, storm on parallel port, 5.4
Message-ID:  <20050803071123.GA10306@slackbox.xs4all.nl>
In-Reply-To: <000501c597cc$6c844ee0$0200a8c0@satellite>
References:  <000501c597cc$6c844ee0$0200a8c0@satellite>

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On Tue, Aug 02, 2005 at 09:41:09PM -0400, dave wrote:
> Hello,
>     I've got a printserver that has an hp deskjet printer attached via
> parallel port. I just got an email with the following message:
>=20
> Interrupt storm detected on "irq7: lpt0"; throttling interrupt source
>=20
> I've checked lpt0 in dmesg and this error didn't come up then, do i have =
to
> worry about this? This is on a 5.4-p1 system, if so is there a fix?

In short, put the parallel port in polling mode. See
http://www.xs4all.nl/~rsmith/freebsd/#parport for details.

Roland
--=20
R.F.Smith (http://www.xs4all.nl/~rsmith/) Please send e-mail as plain text.
public key: http://www.xs4all.nl/~rsmith/pubkey.txt

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