Date: Sun, 13 Jun 2004 07:11:06 +1000 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: Ian FREISLICH <if@hetzner.co.za> Cc: current@freebsd.org Subject: Re: Interrupt storm detection Message-ID: <20040612211105.GK1596@cirb503493.alcatel.com.au> In-Reply-To: <E1BYmbX-000Ixx-00@hetzner.co.za> References: <20040611213707.B13626@gamplex.bde.org> <E1BYmbX-000Ixx-00@hetzner.co.za>
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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. -- Peter Jeremy
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