printing on firefox results in irq storm on printer port
freebsd-listen at fabiankeil.de
Sat Apr 8 11:23:06 UTC 2006
Oliver Iberien <oliver-forward at charter.net> wrote:
> I was printing with native Firefox 18.104.22.168 (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>.
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