Re: Printer lockup (FC4)

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On Thursday 10 May 2007, Warren Sturm wrote:
> On Thu, 2007-05-10 at 18:53 +0100, Anne Wilson wrote:
> > On Thursday 10 May 2007, Les wrote:
> > > On Thu, 2007-05-10 at 16:13 +0100, Anne Wilson wrote:
> > > > On Thursday 10 May 2007, Aaron Konstam wrote:
> > > > > On Thu, 2007-05-10 at 10:11 +0100, Anne Wilson wrote:
> > > > > > On Wednesday 09 May 2007, Aaron Konstam wrote:
> > > > > > > On Wed, 2007-05-09 at 20:45 +0100, Anne Wilson wrote:
> > > > > > > > I sent a large print job to my file/print server, but
> > > > > > > > unfortunately I had a paper jam after page 1.  Since then I
> > > > > > > > have not been able to print anything to that printer.  The
> > > > > > > > localhost:631 interface shows the printer as stopped, but I
> > > > > > > > am not allowed to re-start it, despite the fact that I
> > > > > > > > entered root's password.
> > > > > > > >
> > > > > > > > Is there any way out of this, or will I have to remove the
> > > > > > > > printer and re-install it?
> > > > > > > >
> > > > > > > > Anne
> > > > > > >
> > > > > > > Have you tried lprm to remove the print file from the printer's
> > > > > > > queue?
> > > > > >
> > > > > > I'd removed the print job,  no problem with that, but the printer
> > > > > > remains 'stopped' and cannot be re-started, because root doesn't
> > > > > > have the permission to do that!
> > > > >
> > > > > Here is an abstract from the man lpadmin page. Maybe that info is
> > > > > relevant to your problem.
> > > > >
> > > > >  -E
> > > > >             Enables the printer and accepts jobs; this is the same
> > > > > as running
> > > > >             the accept(8) or cupsaccept(8) and enable(8) or
> > > > > cupsenable(8) programs on the printer.
> > > >
> > > > So, working as root, on the server:
> > > >
> > > > lpadmin [ -E ] [ -h server ] -p printer option(s)
> > > >
> > > > lpadmin -E -p Photo
> > > > lpadmin: Unable to connect to server: Bad file descriptor
> > > >
> > > > and trying it on the local box:
> > > >
> > > > lpadmin -E -h borg.lydgate.lan -p Photo
> > > > lpadmin: Unable to connect to server: Bad file descriptor
> > > >
> > > > Ideas?
> > > >
> > > > Anne
> > >
> > > Hi, Anne,
> > >     This happened to me after an update.  I had to delete and recreate
> > > the printer to get it working again, and even then I had to reboot to
> > > make it start working...
> > >
> > >     Who knows.  I got no useful messages from the logs other that
> > > messages about the bad file descriptor like you have here.  I suspect
> > > that a change in CUPS
> > > forced a modification to the file descriptor that CUPS uses to identify
> > > the printer, but the update never updated the description file.
> > > Deleting and recreating the printer entry did.
> > >
> > >     I don't even know where the printer descriptions are held, and
> > > never thought to look.
> >
> > I don't think I can blame an update this time.  For one thing, the
> > printer is on an FC4 box, so cups hasn't been updated for a long time. 
> > For another, I had actually completed the first page of the print when
> > the paper-jam caused the problem.
> >
> > I'm reluctant to do the re-install of the printer, just because I hate
> > being beaten :-) but I may have to.  It worked last time I got into this
> > sort of mess.
> >
> > Anne
>
> 	Have you tried (as root shell) cupsenable ?
>
Bingo!  I hadn't come across that one before, but it appears to have worked.  
Thanks

Anne

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