Date: Mon, 14 Jun 2004 10:13:40 +0200 From: Ian FREISLICH <if@hetzner.co.za> To: "Markie" <mark.cullen@dsl.pipex.com> Cc: current@FreeBSD.org Subject: Re: Interrupt storm detection Message-ID: <E1BZmb6-0005gM-00@hetzner.co.za> In-Reply-To: Message from "Markie" <mark.cullen@dsl.pipex.com> of "Sat, 12 Jun 2004 22:50:25 %2B0100." <002101c450c7$46a578e0$f700000a@ape>
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"Markie" wrote: > | On Fri, 2004-Jun-11 16:01:59 +0200, Ian FREISLICH wrote: > | > | >> On Fri, 11 Jun 2004, Ian FREISLICH wrote: > | >> > | >> > I have a problem printing. The data rate through my parallel > | >> > port to my printer makes the kernel think that lpt0 is storming > | >> > at between 40k-49k irqs per second. Is there a way to tell the > | >> > kernel to > | > > | >Does a PII-266 constitute a slightly slower machine? > | > | I'm amazed you can get to >40K irqs/sec on a PII-266. > | > | Have you tried using lptcontrol(8) polling or extended mode? > | > | Your other option is to offload the interrupts - either get a > | network interface module for your printer or dedicate an old clunker > | as a print server. > > I had this same problem, by the sounds of it, on my "print server" on > -CURRENT a while back (a little 500MHz machine). I updated it about > a week after it happened and it went away... haven't updated since > though. Maybe this is your problem? This kernel was built from fresh sources the day before the problem was encountered. -- Ian Freislich
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