Messages in this thread | | | Date | Sun, 22 Aug 1999 11:36:09 +0100 (BST) | From | Mike <> | Subject | Re: Parallel port printing in 2.3.13 |
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On Sat, 21 Aug 1999, TimO wrote:
> > Since upgrading to 2.3.13, printing is extrememly slow. It looks like the > > driver is sending some data to the printer, then waiting for ages before > > sending any more data. > > Maybe lost interrupts? > > > > Any ideas? > > > Sounds like you might be using polling mode(default) for parport_pc. > Polling mode seems to be VERY slow on some hardware(including mine).
Nope, thats not it. I was using interupt driven because in previous kernels it sped things up a bit (although not much). Switching to polling mode makes it work at a reasonable speed. By slow, I mean 1 page of text took over 3 hours to print.
-- Mike <rickettm@ox.compsoc.net>
Neckties strangle clear thinking. -- Lin Yutang
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