Interrupt storm detection

Peter Jeremy PeterJeremy at
Sat Jun 12 21:12:38 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.
Peter Jeremy

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