RE: parport_pc problem

Andrew Pounce (andrew.pounce@ctxuk.citrix.com)
Fri, 10 Sep 1999 12:16:14 +0100


Do you have the Parallel printer support selected in the kernel from
character devices in the config?

I think this is needed to use a printer happily?

~Andrew

> -----Original Message-----
> From: Paul Ashton [mailto:lk@mailandnews.com]
> Sent: Friday, September 10, 1999 12:07 PM
> To: linux-kernel@vger.rutgers.edu
> Subject: parport_pc problem
>
>
> You may feel this a little off-topic for lkml, but I can't find any
> similar problem in any search engine.
>
> I'm trying to load parport_pc on a machine which prints fine
> under win9x. win reports dma 3, irq 7, io 3bc-3be & 7bc-7be for
> the parallel port settings. On a 2.2.5 kernel, insmod parport
> followed by insmod parport_pc io=0x3bc, or 7bc or 278 or 378,
> with or without irq(=7/none) and dma fails with init_module:
> Device or resource busy. Loading 2.2.12, it seems I can override
> the failure to detect the port and instead get the following
> messages:
> 0x3bc: CTR: wrote 0x0c, read 0xff
> 0x3bc: DATA: wrote 0xaa, read 0xff
> parport0: PC-style at 0x3bc [SPP,PS2]
>
> Ok, so it isn't seeing it. Where is it? Why can't it see it?
> Any attempt to write to the port fails to produce any output
> at any port setting and does not increment irq 7 in
> /proc/interrupts if I specify that irq. Of course, this is
> after insmod lp.
>
> Thanks for any insight.
>
> Paul
>
>
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