[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
The problem you mention is a known CUPS problem and in the works: https://github.com/OpenPrinting/cups/issues/176 ** Bug watch added: github.com/OpenPrinting/cups/issues #176 https://github.com/OpenPrinting/cups/issues/176 ** Package changed: cups-filters (Ubuntu) => cups (Ubuntu) ** Changed in: cups (Ubuntu) Status: Expired => Triaged ** Changed in: cups (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
This is a problem when running a set of desktops with a traditional CUPS server that advertises its printers. The desktops should see only the server queues but by default they get duplicated (or even multiplicated entries) because the printers also advertise themselves. The setting suggested by Till on cups-browsed.conf CreateIPPPrinterQueues No does not seem to have any effect. The undesired printers remain visible and listable with lpstat -e Applications like Libreoffice and oKular will show a list of redundant printers, which is, of course, confusing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Mathias Weyland (launchpad-weyland), thanks for the link to the patched GTK, thispatch is generally a good idea as it is not a good idea of a print dialog talking directly to IPP printers, circumventing CUPS. The problems are the following: 1. A typical desktop application sends the data to get printed in PDF format, but not all IPP printers understand PDF. The driverless IPP standards only require one of the four print data formats PDF, Apple Raster, PWG Raster, and PCLm. As PDF is a complex vector graphics format and the other 3 are simple raster formats, cheap printers usually do not understand PDF, so the dialog sending a job directly to the printer would not work here. When printing through a CUPS queue, CUPS detects which format the printer understands and converts if needed. 2. An essential functionality when printing from a desktop application is spooling, storing the print job on disk when receiving it, so the the dialog can close quickly and allow the user continuing to work in his application. Many, especially cheaper IPP printers do not have such capability, the dialog itself also does not spool AFAIK. Spooling is usually a task of CUPS (CUPS is a so-called print spooler). Therefoe printing should always go through CUPS. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
lp:1477106 is another bug where this is being discussed (but didn't get much attention). I agree that this is due to somewhat broken behaviour of gtk3 and not cups-filter or avahi. In any case, an updated GTK 3 patch for Focal is available in the following for those who came here with this problem: https://launchpad.net/~launchpad-weyland/+archive/ubuntu/libgtk3-no- avahi/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
please also refer to lp:1379359 and to the GTK2/3 patch at https://launchpad.net/~roman- shipovskij/+archive/ubuntu/gtk+3.0-withoutavahiprinters -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
This bug surely does not belong to "cups-filters" package. And probably it does not belong to Avahi. And to CUPS either. This bug does belong to GTK library and GTK apps which do not provide an option like "list only local CUPS printers, not everything Avahi has sniffed on the network". Avahi is right in its actions, and there are other software relying on its "enable-dbus" option. GTK as library is wrong in having this option enabled by default, and probably some of GTK apps have now learned to override this option properly (that is, in usable and understandable way for an end user). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
This is one of the most stupid default behaviors I have encountered. Out of the several colleagues and family members who use linux (it is used quite a bit in a university environment), they are ALL (down to the last one) very annoyed at this behavior. The problem is that you have your laptop open, and "Becca" from your calculus class comes in to your office and opens her Macbook, and my laptop adds a printer. Then "Chad" (he's not even in your class) just opens their Macbook in the hallway, and you gain a new printer again. After a couple of months, it is a couple of hundred added printers, though they are all grayed out in the list when trying to print. Even though Chad will never visit the department again, his macbook is in my printer list forever. Just picking one of the actual working printers becomes difficult since it involves scrolling through a long list of gray printers to find the one nongray one in the middle. Deleting them is actually quite annoying to do through the GUI and it is not at all obvious. I got rid of the browsing feature on my laptop. But not all of my linux-using colleagues are very technically savvy. They are using linux because that's what mathematicians often use, as it has all the software we need. But this is a "feature" that made using linux harder, not easier, for them. It doesn't actually discover the actual department printers at all, you still have to set those up manually. And I actually think the browsing feature could be useful, but it can't permanently add random configuration just because it appeared on the network at some point. That is not a feature, that is a bug. Plus it is not "browsing" that would mean it is temporary, what it is doing is adding permanent configuration. So the naming is misleading at best. Browsing means that you are looking through the currently available printers. What it is doing is "Harvesting". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Thank you for the step by step procedure jrgsampaio. I just followed it with the trivial modification to edit cupsd.conf instead of cups.conf. Unfortunately, I can't test it until I next travel to a conference with discoverable printers on the network, so I have no idea if it worked yet. I definitely wish this were easier. It would make sense to have an explicit "find printers" capability, followed by a checkbox list to confirm which ones you actually want to add. Having them automatically appear in your list (and stay there, long after you have disconnected from the network where those printers existed!) is not helpful at all, and in fact makes it too easy to send jobs to the wrong printer, which can be be a very serious problem if you have sensitive material in your printout. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
I could get rid of the auto browsing/adding with the following: firstly stop cups: sudo service cups stop then sudo gedit /etc/cups/cups.conf (or using any other editor) and comment... ## browselocalprotocols dnssd save and close then sudo gedit /etc/cups/cups-browsed.conf and set GreateIPPPrintersQueues to No or LocalOnly as described above save and close then stop avahi sudo service avahi-daemon stop then sudo gedit /etc/avahi/avahi-daemon.conf and insert or uncomment the following line: enable-dbus=no save and close now restart the services sudo service cups start sudo service avahi-daemon start You may have to go on and delete all undesirable printers, one by one, three clicks for each (why they make this so hard? In the campus there are hundreds of printers!). You should not see the printers being re- added as before. Final test: restart your system and see the list of printers in Settings. Good luck Jorge Sampaio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Same happening for me in 18.04. I just removed cups-browsed service. In localhost:631 those "unwanted" printers are gone, but in the rest of applications (like firefox, chrome, etc), still there. So, no fix for this yet? Thanks. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Did everyone just give up? I'm still trying to solve this and I have a thread going on over at MX Linux. https://forum.mxlinux.org/viewtopic.php?f=108=51567 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
[Expired for cups-filters (Ubuntu) because there has been no activity for 60 days.] ** Changed in: cups-filters (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Hallo, same problem here. I set cups.conf to Browsing Off BrowseLocalProtocols none that seems to solve the problem in Cups, but network printers still show up in the gnome printing dialogue. Well... sometimes. When I open the print dialogue from Firefox then there is no unwanted network printer. When I open the printing dialogue from LibreOffice, the unwanted printer is still there. There also appears to be a significant time gap between changes in the conf files and the occurrence of the error. You think you have solved the problem, but after 5 minutes the unwanted printer is back. Which makes the error even more annoying. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Could you please try the following: In a terminal window run the command sudo systemctl stop cups-browsed This turns off cups-browsed completely. Does the problem go away by this? ** Changed in: cups-filters (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: cups-filters (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
I have the same problem. Setting "CreateIPPPrinterQueues" to "No" doesn't change anything. I'm running Ubuntu 18.04.2 and under http://localhost:631/printers/ only the manually added printers show up. The gnome settings or avahi or something else keeps constantly adding all the printers in the network (and that is quite annoying. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
Note that the default setting for "CreateIPPPrinterQueues" in Ubuntu is "Driverless". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
This is not a bug of Avahi, Avahi is only handling the DNS-SD broadcasts. The queues are created by cups-browsed and which queues are exactly created can be configured in /etc/cups/cups-browsed.conf. The dirctive to control this is "CreateIPPPrinterQueues". Set it to "LocalOnly" or "No". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
** Also affects: cups-filters (Ubuntu) Importance: Undecided Status: New ** No longer affects: cups (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
** Package changed: avahi (Ubuntu) => cups (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1753509] Re: avahi-daemon adds/installs every printer on network
** Summary changed: - avahi-daemon adds/installs every printer on netwrok + avahi-daemon adds/installs every printer on network -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753509 Title: avahi-daemon adds/installs every printer on network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1753509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
