Very slow printing with stock FreeBSD5.3 + CUPS + Gimp-Print + HPDeskJet612C

Glyn Millington glyn at
Mon Apr 11 02:26:07 PDT 2005

Roland Smith <rsmith at> writes:

> On Mon, Apr 11, 2005 at 07:36:32AM +0100, Glyn Millington wrote:
>> "Anthony M. Agelastos" <iqgrande at> writes:
>> > Interrupt storm detected on "irq7: lpt0"; throttling interrupt source
>> 1. Back up /boot/device.hints
>> 2. In device hints add a line
>> hint.ppc.0.flags="0x20"
> Flags=0x20 means disabling IRQ and use polling instead. If you add 0x08
> it also puts the port in enhanced capability mode. So try flag=0x28, and
> use 0x20 if that doesn't work.
>> AFTER the line which says
>> hint.ppc.0.irq="7"
> You can remove this line, because flags=0x20 instructs the driver to use
> polling instead of an interrupt line.


Many thanks.

Can you point me to the docs for this?  I'm very new to FreeBSD finished
install with this printing problem  yesterday!



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