Re: CUPS

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> On Wed, 2007-08-08 at 08:13 -0400, Gene Heskett wrote:
> > On Wednesday 08 August 2007, Aaron Konstam wrote:
> > >On Wed, 2007-08-08 at 12:11 +0100, Tim Waugh wrote:
> > >> On Wed, 2007-08-08 at 05:49 -0500, Aaron Konstam wrote:
> > >> > It is not udev. It is the fact that cups no longer supports parallel
> > >> > printers. A bugzilla needs to be created.
> > >>
> > >> It is udev, and a bugzilla bug has already been created.
> > >>
> > >>   https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=251272
> > >>
> > >> Tim.
> > >> */
> > >
> > >Well your experience seems to indicate that udev is the problem. It
> > >occurred to me that maybe I don't see a parallel port option in cups
> > >because I don't have a parallel port on my machine.
> > >
> > >But why does Karl not see it when he has a parallel port?
> >
> > Good question Aaron.  This thread has been going on so long now that I'm
> > tempted to build me a kernel with the parport driver, which I haven't for
> > years because I have no parport device, having found that my elderly C82 runs
> > faster on a usb port.
> >
> > However, in my case I really wouldn't expect to see a parport option even
> > available at step 2 of the modify printer from the cups web page procedure.
> >
> > However, even though I have no parport support in this 2.6.23-rc2 kernel, I
> > see that udev has indeed setup a list of them.  This, except for gutenprint
> > being pinned at 5.10, is an uptodate machine as of yesterday:
> >
> > [root@coyote clips]# ls -l /dev/p*
> > lrwxrwxrwx 1 root root      7 Aug  6 09:13 /dev/par0 -> usb/lp0
> > crw-rw---- 1 root lp    99, 0 Aug  6 09:13 /dev/parport0
> > crw-rw---- 1 root lp    99, 1 Aug  6 09:13 /dev/parport1
> > crw-rw---- 1 root lp    99, 2 Aug  6 09:13 /dev/parport2
> > crw-rw---- 1 root lp    99, 3 Aug  6 09:13 /dev/parport3
> > crw-r----- 1 root kmem   1, 4 Aug  6 09:13 /dev/port
> > crw------- 1 root root 108, 0 Aug  6 09:13 /dev/ppp
> > crw-rw-rw- 1 root tty    5, 2 Aug  8 08:03 /dev/ptmx
> >
> > Which I find interesting, and would consider udev's making them a bug when
> > there is no driver available to be driven.  And given that they are there, I
> > would have to assume cups would offer the option...
> >
> > >From the .config that built this kernel:
> > # CONFIG_PARPORT is not set
> >
> I also have the same parports that you have and there is no parallel
> port on my machine. I would conclude then that udev is nto the problem
> but cups is.
> However, we are getting conflicting reports on this matter.

For anyone who is interested, the problem regarding the parallel ports
and printing appears to be a udev problem.  A udev update addressing
this problem has been pushed out.  A couple of hours ago, I received
the following announcement:

--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2007-1491
2007-08-08 08:34:06.263874
--------------------------------------------------------------------------------

Name        : udev
Product     : Fedora 7
Version     : 113
Release     : 9.fc7
Summary     : A userspace implementation of devfs
Description :
The udev package contains an implementation of devfs in
userspace using sysfs and netlink.

--------------------------------------------------------------------------------
Update Information:

re-adds /dev/lp* device nodes
--------------------------------------------------------------------------------
ChangeLog:

* Wed Aug  8 2007 Harald Hoyer <harald@xxxxxxxxxx> - 113-9
- added lp* to 50-udev.nodes (#251272)

--------------------------------------------------------------------------------

With any luck, this will resolve everyone's problems with CUPS
parallel port printing.

Rod

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