Interrupt storm detection
if at hetzner.co.za
Mon Jun 14 08:13:59 GMT 2004
> | 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
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