Interrupt storm detection
PeterJeremy at optushome.com.au
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
More information about the freebsd-current