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From: Bruce S. <bw...@re...> - 2011-11-07 21:16:55
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Is the parallel port enabled and set to the normal IRQ/port in the BIOS? - BS On Mon, Nov 7, 2011 at 15:00, Bradlee Landis <bra...@gm...> wrote: > `modprobe lp` adds /dev/lp0, but /var/log/messages says "kernel: : lp0 > off-line". > > > > On Mon, Nov 7, 2011 at 12:47 PM, Heiko Zuerker <he...@zu...> wrote: >> It's been a long time since I worked with a parallel port, but check if the >> device /dev/lp0 is there. >> >> -- >> >> Regards >> Heiko Zuerker >> http://www.devil-linux.org >> >> >>> -----Original Message----- >>> From: Bradlee Landis [mailto:bra...@gm...] >>> Sent: Monday, November 07, 2011 11:22 AM >>> To: dev...@li... >>> Subject: Re: [Devil-Linux-discuss] Parallel Port Device >>> >>> On Mon, Nov 7, 2011 at 9:20 AM, Heiko Zuerker <he...@zu...> wrote: >>> > Make sure you have the parport_pc and lp modules loaded. >>> >>> >>> parport_pc is loaded, and I loaded lp, and I still get the same message. >> Is >>> `echo a > /dev/parport0` a good test to run, or should I be trying >> something >>> else to see if it's working? >>> >>> >>> >> -----Original Message----- >>> >> From: Bradlee Landis [mailto:bra...@gm...] >>> >> Sent: Monday, November 07, 2011 9:04 AM >>> >> To: dev...@li... >>> >> Subject: Re: [Devil-Linux-discuss] Parallel Port Device >>> >> >>> >> Well, that creates a device, but when I try to write to it, it just >> hangs. >>> > I think >>> >> /dev/lp* requires /dev/parport*. I tried creating it using `mknod >>> >> /dev/parport0 c 99 0 -m 660`, but it says "No such address or device" >>> >> when >>> > I >>> >> write to it. Users who have had this problem are finding that the >>> >> ppdev module is required, but it's not installed on Devil Linux. >>> >> >>> >> >>> >> On Wed, Nov 2, 2011 at 5:59 PM, Chris Grove <dl...@ki...> >>> > wrote: >>> >> > Hi. It's usually called /dev/lp0 but I've found that my server >>> >> > doesn't create it for some reason. That said, if you use mknod >>> >> > /dev/lpt0 c 6 0 that then allows you to use it. >>> >> > Hope that helps, Chris. >>> >> > >>> >> > On 2 November 2011 18:36, Bradlee Landis <bra...@gm...> >>> >> wrote: >>> >> >> >>> >> >> I am seeing a parallel port being detected in the boot logs: >>> >> >> >>> >> >> Nov 2 15:50:31 src@localhost kernel: : parport_pc 00:08: reported >>> >> >> by Plug and Play ACPI Nov 2 15:50:31 src@localhost kernel: : >> parport0: >>> >> >> PC-style at 0x378 (0x778), irq 7, dma 3 >>> >> >> [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA] >>> >> >> >>> >> >> But, I don't see any devices in /dev that are the parallel ports. >>> >> >> Do you know what I need to do to be able to see parallel port >> devices? >>> >> >> Or are they under a different name? I saw in udev configuration >>> >> >> that it can be /dev/lp[0-9], parport[0-9], or irlpt[0-9]. |