Re: Interrupt storm detection

From: Ian FREISLICH (if_at_hetzner.co.za)
Date: 06/14/04

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    To: "Markie" <mark.cullen@dsl.pipex.com>
Date: Mon, 14 Jun 2004 10:13:40 +0200

    "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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