Has something changed again? My printing using cups browsed went down
again. The solution above no longer works after some recent (two weeks)
update of 15.04. (See
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1466157)
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Thanks Christopher for posting this.
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https://bugs.launchpad.net/bugs/1159213
Title:
cups server connection worked nicely under 12.10 but fails on 13.04
To manage notifications about
This bug was fixed in the package cups-filters - 1.0.33-0ubuntu1
---
cups-filters (1.0.33-0ubuntu1) raring; urgency=low
* New upstream bug fix release
- cups-browsed: Added NULL check (Upstream bug #1106).
cups-filters (1.0.32-1) experimental; urgency=low
* New upstream
** Branch linked: lp:debian/experimental/cups-filters
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https://bugs.launchpad.net/bugs/1159213
Title:
cups server connection worked nicely under 12.10 but fails on 13.04
To manage
Christopher, can you try removing Browsing On and restarting cups-
browsed and if this does not work, return the line
BrowseRemoteProtocols dnssd cups back to BrowseRemoteProtocols dnssd
and restart cups-browsed again? Does this work?
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Removed browsing on.
restarted cups-browsed.
No good:
$ lpstat -p
lpstat: No destinations added
Then I removed cups from the protocols line.
restarted
No good. Same as above.
Is there a more detailed/verbose query I can run? or is lpstat the best?
Thank you, Till.
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Can you try
BrowsePoll cups.ncs.mcgill.ca
instead of
BrowsePoll cups.ncs.mcgill.ca:631
Does this work?
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https://bugs.launchpad.net/bugs/1159213
Title:
cups server connection worked
Bingo!
ie, that brings up the printers. So the correct new .conf format is as
follows:
# Which protocols will we use to discover printers on the network?
# Can use DNSSD and/or CUPS, or 'none' for neither.
BrowseRemoteProtocols dnssd
# Use BrowsePoll to poll a particular CUPS server
#
Oh, this works too:
BrowseRemoteProtocols cups
BrowsePoll cups.ncs.mcgill.ca
and so does this:
BrowseRemoteProtocols cups
BrowsePoll cups.ncs.mcgill.ca
Browsing On
but if I add the :631 to the hostname, it fails.
Therefore, the only problem was the :631.
Now, is this is a bug?
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This works fine too, btw:
BrowseRemoteProtocols cups dnssd
BrowsePoll cups.ncs.mcgill.ca
Browsing On
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https://bugs.launchpad.net/bugs/1159213
Title:
cups server connection worked
Christopher, the BrowsePoll and CUPS Broadcastin/Browsing part is not
written by me but contributed by Tim Waugh from Red Hat. It seems that
in the config file the :port extension for server names is not
supported but instead, always port 631 is used (works for 99 % of the
users). Unknown
Fix committed upstream. Tim, thank you very much for the quick patch.
** Also affects: cups-filters (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: cups (Ubuntu)
** Changed in: cups-filters (Ubuntu)
Importance: Undecided = Medium
** Changed in: cups-filters
Tim, which lines of the /etc/cups/cupsd.conf of CUPS 1.5.x (or patched
1.6.x of Quantal) can we copy over to /etc/cups/cups-browsed.conf so
that the user's CUPS Broadcasting/Browsing and BrowsePoll gets conserved
as best as possible?
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For Fedora we just copy over BrowsePoll. There's not much point in
copying over anything else: DNS-SD is meant to just work anyway, and
in any case it's the preferred option.
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Hi. Thank you!!
But this does not work:
$ apt-cache policy cups-browsed
cups-browsed:
Installed: 1.0.31-0ubuntu2
Candidate: 1.0.31-0ubuntu2
Version table:
*** 1.0.31-0ubuntu2 0
500 http://ca.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
100 /var/lib/dpkg/status
$
Try replacing
BrowseRemoteProtocols dnssd
by
BrowseRemoteProtocols dnssd cups
in /etc/cups/cups-browsed.conf
Does this work?
Tim, is the /etc/cups/cups-browsed.conf correct for doing BrowsePoll?
What is exactly needed.
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That does NOT work for me.
I changed that line, restarted browsed (and cups), and got the same result as
before.
My /etc/cups/cups-browsed.conf looks like:
# Which protocols will we use to discover printers on the network?
# Can use DNSSD and/or CUPS, or 'none' for neither.
The CUPS which comes with 13.04 does not support BrowsePoll any more.
This feature got dropped upstream. Instead you can use the legacy
server/client support of the new cups-browsed which comes with 13.04.
First, update your system so that you get cups-browsed of at least
version 1.0.31-0ubuntu2.
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