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Old 03-14-2004, 11:55 AM   #1
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Question Cannot use parallel port under 2.6.4

I have been unable to get my parallel port to work under kernel 2.6.4, slackware 9.1. I have searched all of the forums for help without any success. I have tried compiling lp, parport and portport_pc as modules and as part of the kernel, nothing has worked. If I boot with the default 2.4.3 kernel the port is set up perfectly and my printer works fine. I am using a HP Deskjet 722c winprinter with a pnm2ppa driver.

Is there something else i should be compiling into the kernel?

I have also tried all of the different parallel port settings in the BIOS.

Any help will be greatly appreciated!!

Old 03-14-2004, 01:57 PM   #2
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Try uncommenting the entire code bits in rc.modules relating to pc style parallel port if it isn't already - I know I had to for 2.6.4 but with 2.4 I didn't have to.
Old 03-14-2004, 09:34 PM   #3
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I tried uncommenting the parallel port lines in rc.modules and it allowed me to see the port, but it would not route jobs to the printer.

I did find a modprobe option in rc.modules that will allow me to use my printer though.

I just do the following after boot:

modprobe parport_pc io=0x378 irq=7
modprobe lp

And everything works great. If I leave those lines uncommented in rc.modules it doesn't work.

Thanks for pointing me in the right direction!!

Does anyone know a way for me to pass these parameters to the parport_pc module at boot time?


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