printing on firefox results in irq storm on printer port

[Fabian Keil]

Oliver Iberien <oliver-forward at charter.net> wrote:

> I was printing with native Firefox 1.5.0.1 (FreeBSD 6.0) with CUPS,
> which Firefox sees and recognizes. The printer (Xerox N17, local,
> parallel port) started cycling through waiting-processing-waiting
> messages. Rebooting, I saw a message about an IRQ storm on the
> printer port being "throttled". Killing the job took care of this.
> 
> Has anyone else had an issue like this? Firefox printing isn't
> critical but it's always nice to know what's going on. 

The default value of hw.intr_storm_threshold is easily reached
by a printer connected through the parallel port.

Have a look at: <http://www.lemis.com/grog/diary-dec2005.html#8>.

Fabian
-- 
http://www.fabiankeil.de/
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