[Touch-packages] [Bug 1598300] Re: cups hang after a while
No. Seems to be the option "-l" which causes systemd to shutdown cupsd and to restart if a print job is available. For applications with pre- checks for available printers or given printer names (for instance with java javax.print.PrintServiceLookup) or with CUPS web Interface on demand this does not work. I changed the option "-l" to "-f" in /lib/systemd/system/cups.service. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Fix Released Status in cups source package in Xenial: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
I had the same problem in Ubuntu 16.04.1. After some testing I removed all (3) printers and all cups-related packages and reinstalled them. And now (without any additonal changes) all works fine. The only difference: The first time I used a port forwarding to the remote print server like "ssh -L 1631:127.0.0.1:632 someuser@somehost" and a local URl "127.0.0.1:1631" (because i worked as an unpriviliged user and have a local CUPS daemon on 631). At some cups-Admin-Pages there where error pages like "You have to use 127.0.0.1:631...". The second time i stopped my local cupsd and called "ssh -L 631:127.0.0.1:631 someuser@somehost" as privileged user. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Fix Released Status in cups source package in Xenial: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
SRU fix for Xenial is simple. In the CUPS 2.1.3 used there the upstream bug (https://github.com/apple/cups/issues/4755) is already fixed but it seems that the removal of the workaround patch (auto-shutdown-on-idle- also-with-webinterface-on.patch) got forgotten. So removing this patch seems to be everything which has to get done here. ** Bug watch added: github.com/apple/cups/issues #4755 https://github.com/apple/cups/issues/4755 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Fix Released Status in cups source package in Xenial: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
Not having "ListenStream=631" in the systemd cups.socket file is intended. See the answer from Mike Sweet, author of CUPS: -- First, the reason why we don't include "ListenStream=631" is because that exposes cupsd to remote attack. And we don't listen on localhost (which has a similar security issue) because it causes problems when binding to the "any" address on Linux. Second, once cupsd starts it will create the localhost (or "any" address) listener for you, and stay running indefinitely. And cupsd uses a KeepAlive file to tell systemd to start it up on bootup once you enable the web interface, so it should be running right away unless you've added something to manually start/stop cupsd. -- In Yakkety (16.10), CUPS behaves as intended upstream, not automatically shutting down when it shares at least one printer or the web interface is active (turned on via "WebInterface Yes" in cupsd.conf). So there this bug should be fixed. In earlier Ubuntu versions, like Xenial (16.04 LTS), there is a patch which allows for CUPS auto shutdown due to another problem, whgich is fixed in later CUPS versions. This fix needs to get backported so that auto shutdown can be suppressed with active web interface, to match the upstream standard. ** Changed in: cups (Ubuntu) Status: Confirmed => Fix Released ** Also affects: cups (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: cups (Ubuntu Xenial) Status: New => Confirmed ** Changed in: cups (Ubuntu Xenial) Milestone: None => xenial-updates -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Fix Released Status in cups source package in Xenial: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
in my /etc/cups/client.conf (now /etc/cups/client.conf_bak) are two lines: ServerName NameoftheremoteCUPSServer ServerName localhost The remote CUPS Server is running Version 1.5.3 and my client 2.0.2. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
edited /lib/systemd/system/cups.socket restarted systemd and cups. waiting for the bug to come back ... -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
hi Till, there is no client.* in /etc/cups -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
What was in your /etc/cups/client.conf (now /etc/cups/client.conf_bak)? If it pointed to a CUPS on a remote machine, all your CUPS access (from applications/command line, not web interface) was directed to the remote machine with a different CUPS setup. Now you are using always the CUPS on your local machine. Note that client.conf is deprecated but still working as originally intended (and so often an admin's nightmare). -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
I have done some tests and have found a solution. Please try it out. Edit the file (with sudo): /lib/systemd/system/cups.socket adding a line ListenStream=631 in the "[Socket]" section. The file should look like this then: -- [Unit] Description=CUPS Scheduler [Socket] ListenStream=/var/run/cups/cups.sock ListenStream=631 [Install] WantedBy=sockets.target -- Now make sure that this does not produce any editor backup files, like /lib/systemd/system/cups.socket~ or /lib/systemd/system/cups.socket.backup. Remove such files now. Now restart systemd with the command sudo systemctl daemon-reload Now systemd does not only restart CUPS via the domain socket but also via port 631, meaning that it also gets started when trying to access via the web interface (or any other application which accesses only via port 631). Please try it out. If you do not want to wait everytime until CUPS stops by itself for doing the tests, you can stop it with sudo systemctl stop cups -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
Nice to see some progress, but the initial problem description and mine is different from what has been discovered. The problem is not just the webinterface, it is cups itself (or the scheduler) which goes inactive and doesn't come back. Today I was able to invest more time. On my system there was still a client.conf in /etc/cups/ The man page says it is deprecated. I moved it to client.conf_bak and restarted cups. The scheduler is now running for over 3 hours. I will have an eye on this, but maybe this fixed my cups problem. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
I tried now the following: till@till-x1carbon:~/printing/cups/bzr/y$ sudo systemctl stop cups Warning: Stopping cups.service, but it can still be activated by: cups.socket cups.path till@till-x1carbon:~/printing/cups/bzr/y$ ps auxwww | grep cupsd till 4265 0.0 0.0 14224 896 pts/19 S+ 23:33 0:00 grep --color=auto cupsd Accessed http://localhost:631/ in web browser --> FAILED. till@till-x1carbon:~/printing/cups/bzr/y$ lpstat -r scheduler is running Accessed http://localhost:631/ in web browser --> SUCCEEDED (the "lpstat -r" triggered cupsd by domain socket) till@till-x1carbon:~/printing/cups/bzr/y$ ps auxwww | grep cupsd root 4290 1.4 0.1 169908 10260 ?Ssl 23:33 0:00 /usr/sbin/cupsd -l till 4311 0.0 0.0 14224 1056 pts/19 S+ 23:33 0:00 grep --color=auto cupsd till@till-x1carbon:~/printing/cups/bzr/y$ So for the web interface we need some systemd unit file which triggers CUPS via port 631. Any example files welcome. ** Changed in: cups (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
First, xinetd is not needed. systemd handles running services on-demand well. Important to know is that there are two access methods for CUPS: 1. The domain socket file /var/run/cups/cups.sock 2. IP Port 631 CUPS can be configured to use one of these methods or both. Both methods can be used and the applications printing via CUPS and correctly implemented (usually using libcups) automatically choose a suitable method. As web browsers can only access network locations, the CUPS web interface is only available via port 631, for example under the URI http://localhost:631/. This means that a CUPS only configured for the domain socket cannot use the web interface at all. When I look at the systemd files which describe how to automatically start CUPS, I see only a /lib/systemd/system/cups.socket which starts CUPS by traffic on the domain socket and /lib/systemd/system/cups.service which starts CUPS on boot. I do not see some systemd instruction file making CUPS triggered via port 631. This seems to be the problem. By the way, Mike Sweet, author of CUPS, tells that the web interface should work with on-demand CUPS daemon. See https://github.com/apple/cups/issues/4874. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
I posted an upstream feature request now to improve the web interface for CUPS running on-demand. See https://github.com/apple/cups/issues/4874. ** Bug watch added: github.com/apple/cups/issues #4874 https://github.com/apple/cups/issues/4874 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
This seems to be a some kind of desktop/laptop power/resource saving feature that does not take Web UI to the account. CUPS will immediately start up again if I open the printing dialog or something. When I read Stephan's error log as well as my own, it reads: "I [30/Aug/2016:08:42:33 +0200] Printer sharing is off and there are no jobs pending, will restart on demand. I [30/Aug/2016:08:42:33 +0200] Scheduler shutting down normally." Maybe some kind of xinetd setup would make it possible to shut CUPS down but start it up when one tries to access the web UI. Please do not expire this bug, that is not a solution. and Stephan has provided the requested error log. WONTFIX would be a better solution if this is the way it is intended to work. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
A little correction: 'sudo service cups restart' only solves the problem for a short time, not necessarily till the next reboot. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
The same for me: ● cups.service - CUPS Scheduler Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: ena Active: inactive (dead) since Di 2016-08-30 08:42:33 CEST; 34min ago Docs: man:cupsd(8) Process: 11682 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS) Main PID: 11682 (code=exited, status=0/SUCCESS) error_log attached. Nothing special in there. cups is just going inactive and doesn't come back. A 'sudo service cups restart' fixes the problem until the next reboot: ● cups.service - CUPS Scheduler Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: ena Active: active (running) since Di 2016-08-30 09:19:19 CEST; 2min 26s ago Docs: man:cupsd(8) Main PID: 17018 (cupsd) CGroup: /system.slice/cups.service ├─17018 /usr/sbin/cupsd -l └─17025 /usr/lib/cups/notifier/dbus dbus:// ** Attachment added: "error_log" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+attachment/4730601/+files/error_log -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
Please follow the instructions of the section "CUPS error_log" on https://wiki.ubuntu.com/DebuggingPrintingProblems. Thanks. ** Changed in: cups (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
I have exactly the same thing on 16.04 LTS with the minimal virtual machine install. I run the whole thing on ESXi 5.5 something. Status: root@printserver:/var/log/cups# service cups status ● cups.service - CUPS Scheduler Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: ena Active: inactive (dead) since Wed 2016-08-24 22:44:57 EEST; 12min ago Docs: man:cupsd(8) Process: 2177 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS) Main PID: 2177 (code=exited, status=0/SUCCESS) Aug 24 22:38:23 printserver systemd[1]: Started CUPS Scheduler. No mention of any abnormalities in any logs whatsoever. I'm afraid I need to go back to 14.04 LTS for this virtual machine. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Incomplete Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1598300] Re: cups hang after a while
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: cups (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1598300 Title: cups hang after a while Status in cups package in Ubuntu: Confirmed Bug description: after 6 minutes or so, cups is not responding. it do not produce error on the log, just stop working, worse, it exit with 0 ⌌—⌍ |root@cupsmachine :~# systemctl status cups | |● cups.service - CUPS Scheduler | | Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)| | Active: inactive (dead) since ven. 2016-07-01 10:31:32 TAHT; 2min 16s ago | | Docs: man:cupsd(8) | | Process: 28686 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)| | Main PID: 28686 (code=exited, status=0/SUCCESS) | | | |juil. 01 10:30:01 appli-client systemd[1]: Started CUPS Scheduler. | ⌎—⌏ I got to launch it again, so I have finish with a cron job like */10 * * * * systemctl status cups.service|grep -q 'inactive (dead)' && systemctl start cups but it is a dirty solution. I have no idea of what make it stop. NB: I have seen problems related to apparmor, this machine has no apparmor package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1598300/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
