Bug#928838: cups: Printing from local queue via remote queue not working any more, jobs just vanish
Package: cups
Version: 2.2.10-6
Severity: normal
Dear Maintainer,
* What led up to the situation?
Setup:
Laptop (Client) running Debian 9/10 and CUPS 2.2.1/2.2.10
Server/Router running Debian 10 and CUPS 2.2.10
Printer Samsung Xpress C480W, LAN/WLAN
Laptop is connected to Server via SSID WLAN_1, Subnet 1
Printer is connected to Server via SSID WLAN_2, Subnet 2
Server should act as a print server running CUPS. Clients (laptop, printer) in
different subnets should not communicate directly.
Printer is configured in CUPS on the server as ipp://printername:631/ipp/print,
with Samsung C48x driver, queue name SAMSUNG, printing test pages from the
server's web interface works fine
Printer is configured in CUPS on the Laptop as
ipps://servername:631/printers/SAMSUNG
With Debian 9 and CUPS 2.2.1 on the Server, this setup worked fine.
* What exactly did you do (or not do) that was effective (or
ineffective)?
Upgraded Server to Debian 10, CUPS 2.2.10
* What was the outcome of this action?
Printing as describes above stopped working. Jobs sent from the laptop just go
into Nirvana, they vanish and do not show up in the server's queue. The servers
access_log reports success, but printing never happens. No errors are reported
neither on the laptop nor on the server.
* What outcome did you expect instead?
Printing as before.
* Workaround(s)
- Downgrading CUPS from 2.2.10 to 2.2.1 (debs from Debian 9) on the Debian 10
server fixes this problem, printing works fine again.
- Using a client.conf file with "ServerName servername" makes printing
possible, but without a local queue there's no queue dialog that can report
failures (emtpy tray, paper jam) on the client
- Printing directly to the printer from the laptop works, but is not desired
So, CUPS 2.2.10 is broken when used as a print server for clients running local
queues.
-- System Information:
Debian Release: buster/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 4.19.0-2-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages cups depends on:
ii cups-client 2.2.10-6
ii cups-common 2.2.10-6
ii cups-core-drivers 2.2.10-6
ii cups-daemon 2.2.10-6
ii cups-filters 1.21.6-5
ii cups-ppdc 2.2.10-6
ii cups-server-common 2.2.10-6
ii debconf [debconf-2.0] 1.5.71
ii ghostscript 9.27~dfsg-1
ii libavahi-client3 0.7-4+b1
ii libavahi-common3 0.7-4+b1
ii libc6 2.28-10
ii libcups2 2.2.10-6
ii libcupsimage2 2.2.10-6
ii libgcc1 1:8.3.0-6
ii libstdc++6 8.3.0-6
ii libusb-1.0-0 2:1.0.22-2
ii poppler-utils 0.71.0-3
ii procps 2:3.3.15-2
Versions of packages cups recommends:
ii avahi-daemon 0.7-4+b1
ii colord 1.4.3-4
ii cups-filters [ghostscript-cups] 1.21.6-5
ii printer-driver-gutenprint 5.3.1-7
Versions of packages cups suggests:
ii cups-bsd 2.2.10-6
pn cups-pdf <none>
ii foomatic-db 20181217-2
ii hplip 3.18.12+dfsg0-2
ii printer-driver-hpcups 3.18.12+dfsg0-2
pn smbclient <none>
ii udev 241-3
-- Configuration Files:
/etc/cups/cupsd.conf [Errno 13] Keine Berechtigung: '/etc/cups/cupsd.conf'
-- debconf information:
cupsys/backend: lpd, socket, usb, snmp, dnssd
cupsys/raw-print: true
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