Re: [PATCH] to drivers/parport/ieee1284_ops.c to fix timing dependend

Jeremy Fitzhardinge
2003-03-21T20:14:04Z

On Wed, 2003-03-19 at 00:08, Tim Josling wrote:
> I have an HP1100 printer and since I upgraded to a faster CPU the
> printer has started hanging. The problem persisteed across 2.0 2.2 and
> 2.4 kernel versions. I am running Red Hat Linux 8.0 on a Compaq Armada E500.
>
> The problem occurs intermittently. The symptom is that the 'buffer
> contains data' light stays on on the printer, but data transfer stops.

Ah, so that's why that happens. I've been getting the same thing with
my LJ1100.

Is this just in polled mode? Does using interrupts constitute a
work-around for the hang?

J