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Re: Cups: canon backend hanging



on Sun, Jul 17, 2005 at 11:22:19AM -0500, John Foster (jfoster@augustmail.com) wrote:
> On Sunday 17 July 2005 04:41 am, Karsten M. Self wrote:
> > I've got a problem with the canon backend (which I don't use) hanging in
> > CUPs.  My load average is currently 13+, and there's nothing I can kill
> > to bring down the processes.
> >
> >     $ ps aux | grep ' [D] '
> >     root     19562  0.0  0.0   3388   576 ?        D    Jul12   0:00
> > /usr/lib/cups/backend/canon root     19505  0.0  0.0   3388   576 ?       
> > D    Jul13   0:00 /usr/lib/cups/backend/canon root      1960  0.0  0.0  
> > 3388   592 ?        D    Jul14   0:00 /usr/lib/cups/backend/canon root    
> > 21916  0.0  0.0   3388   592 ?        D    Jul15   0:00
> > /usr/lib/cups/backend/canon root      5799  0.0  0.0   3388   592 ?       
> > D    Jul15   0:00 /usr/lib/cups/backend/canon root      6417  0.0  0.0  
> > 3388   592 ?        D    Jul15   0:00 /usr/lib/cups/backend/canon root     
> > 7555  0.0  0.0   3388   592 ?        D    Jul15   0:00
> > /usr/lib/cups/backend/canon root      6884  0.0  0.0   3388   764 ?       
> > D    Jul16   0:00 /usr/lib/cups/backend/canon root     18238  0.0  0.0  
> > 3388   764 ?        D    01:35   0:00 /usr/lib/cups/backend/canon
> >
> >
> > Any suggestions for fixing this or (since I don't have a canon printer)
> > keeping the backend from running in the first place?
> >
> >
> > Peace.
> Hi, Karsten!
> I had the same problem recently & was only able to rid myself of 2 different 
> printer backends by completely  removing every vestige of any cups cache 
> files.

Where?

> I suspect that this is a bug at lest with kde and maybe with the 
> debian installer. 

I don't run KDE itself, though I use a few apps.  This is an existing
Debian install.

> I figure that the trick is in /var/log/cups  and /var/run/cups and
> /etc/cups being completely removed and using dpkg to force a reinstall
> of the cups system from a downloaded .deb file. If you try to remove
> cups the dependencies will totally screw up your system.  I was able
> to get rid of my old printer back ends using this process. However I
> have been unable to get my new Samsung ML-2250 to actually print
> correctly.  If you have any tips there please advise.

I rebooted :-(  50-day uptime and a few hours to search through
everything open and close it....

The problem's gone away and not resurfaced, I'll advise if it does.


Peace.

-- 
Karsten M. Self <kmself@ix.netcom.com>        http://kmself.home.netcom.com/
 What Part of "Gestalt" don't you understand?
    18.8% of all browsers that claim to be MSIE, aren't.
    - http://www.virtuelvis.com/archives/35.html

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