Re: Parallel port printing in 2.3.13

TimO (hairballmt@mcn.net)
Sat, 21 Aug 1999 20:29:03 -0600


Mike 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?
>
> --
> Mike <rickettm@ox.compsoc.net>
>
Sounds like you might be using polling mode(default) for parport_pc.
Polling mode seems to be VERY slow on some hardware(including mine).
You may try specifying IO and IRQ to the module on startup, ie. modprobe
parport_pc io=x irq=n. See if that speeds printing for you.
-- 
--------------------==============++==============--------------------
  For who among men knows the thoughts of a man except the man's spirit
within him?  In the same way, no one knows the thoughts of God except
the Spirit of God.  We have not received the spirit of the world but the
Spirit who is from God, that we may understand what God has freely given
us.
				-- I Corinthians 2:11,12

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/