[Bug 1099184] Re: Avahi reports IPv6/IPv4 and "dnssd" CUPS backend only tries IPv6, no IPv4 fallback
Keith Wansbrough
1099184 at bugs.launchpad.net
Fri Dec 20 23:15:20 UTC 2013
This affects me as well, using a Canon MG3250 over WiFi. The printer
supports both IPv4 and IPv6, but CUPS is only able to connect to it when
it chooses the IPv4 address, which appears to be about 50% of the time.
I was able to work around the problem by going to my printer's web
control panel, going to the Network Settings page, and choosing "Disable
IPv6". After a few seconds, Avahi (avahi-browse -a -t -r) no longer
reports IPv6 support for my printer, and everything works splendidly.
Obviously a fix for Avahi or CUPS would be preferable.
/var/log/cups/error.log shows the following for success:
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Connecting to 192.168.0.16:631
I [20/Dec/2013:23:05:05 +0000] [Job 1433] Connecting to printer.
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Set job-printer-state-message to "Connecting to printer.", current level=INFO
D [20/Dec/2013:23:05:05 +0000] Discarding unused job-progress event...
D [20/Dec/2013:23:05:05 +0000] Discarding unused printer-state-changed event...
D [20/Dec/2013:23:05:05 +0000] [Job 1433] update_reasons(attr=0(), s="-cups-certificate-error")
D [20/Dec/2013:23:05:05 +0000] [Job 1433] update_reasons(attr=0(), s="-connecting-to-device")
D [20/Dec/2013:23:05:05 +0000] [Job 1433] STATE: -connecting-to-device
I [20/Dec/2013:23:05:05 +0000] [Job 1433] Connected to printer.
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Set job-printer-state-message to "Connected to printer.", current level=INFO
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Connected to 192.168.0.16:631...
and the following for failure:
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Connecting to 192.168.0.16:631
I [20/Dec/2013:23:05:05 +0000] [Job 1433] Connecting to printer.
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Set job-printer-state-message to "Connecting to printer.", current level=INFO
D [20/Dec/2013:23:05:05 +0000] Discarding unused job-progress event...
D [20/Dec/2013:23:05:05 +0000] Discarding unused printer-state-changed event...
D [20/Dec/2013:23:05:05 +0000] [Job 1433] update_reasons(attr=0(), s="-cups-certificate-error")
D [20/Dec/2013:23:05:05 +0000] [Job 1433] update_reasons(attr=0(), s="-connecting-to-device")
D [20/Dec/2013:23:05:05 +0000] [Job 1433] STATE: -connecting-to-device
I [20/Dec/2013:23:05:05 +0000] [Job 1433] Connected to printer.
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Set job-printer-state-message to "Connected to printer.", current level=INFO
D [20/Dec/2013:23:05:05 +0000] [Job 1433] Connected to 192.168.0.16:631...
I am using CUPS 1.5.3 on Ubuntu 12.04LTS.
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https://bugs.launchpad.net/bugs/1099184
Title:
Avahi reports IPv6/IPv4 and "dnssd" CUPS backend only tries IPv6, no
IPv4 fallback
Status in “avahi” package in Ubuntu:
Confirmed
Bug description:
lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04
---------------------------------
avahi-daemon 0.6.30-5ubuntu2
cups 1.5.3-0ubuntu6
--------------------------------
Avahi for default publishes services also in IPv6 as in /etc/avahi/avahi-daemon.conf there is
use-ipv6=yes
At the same time services are listening on IPv4 addresses only.
Cups is able to discover published printers via dnssd protocol but its
ipp backend prints only on the IPv6 resolved address which does not
answer and it does not try the IPv4 address.
------------------------------------
Excerpt from "avahi-browse -a -t -r" to show the IPv6 and IPv4 addresses
+ wlan0 IPv6 Hewlett-Packard HP LaserJet 1100 @ hjemme Internet Printer local
+ wlan0 IPv4 Hewlett-Packard HP LaserJet 1100 @ hjemme Internet Printer local
+ wlan0 IPv6 MobilIgor5a [00:26:82:9d:b9:6d] Workstation local
+ wlan0 IPv6 hjemme [00:40:f4:ff:55:32] Workstation local
[....]
= wlan0 IPv6 Hewlett-Packard HP LaserJet 1100 @ hjemme Internet Printer local
hostname = [hjemme.local]
address = [fe80::240:f4ff:feff:5532]
port = [631]
txt = ["printer-type=0x900E" "printer-state=3" "Scan=F" "Sort=F" "Bind=F" "Punch=F" "Collate=F" "Copies=F" "Staple=F" "Duplex=F" "Color=T" "Fax=F" "Binary=F" "Transparent=F" "TLS=1.2" "UUID=1577ef95-eecb-3eae-6d02-aa29003eb546" "URF=DM3" "pdl=application/octet-stream,application/pdf,application/postscript,image/jpeg,image/png,image/urf" "product=(HP LaserJet 1100xi Printer)" "priority=0" "note=hjemme" "adminurl=http://hjemme.local:631/printers/Hewlett-Packard-HP-LaserJet-1100" "ty=HP LaserJet 1100, hpcups 3.12.2" "rp=printers/Hewlett-Packard-HP-LaserJet-1100" "qtotal=1" "txtvers=1"]
= wlan0 IPv6 hjemme Remote Disk Management local
hostname = [hjemme.local]
address = [fe80::240:f4ff:feff:5532]
port = [22]
txt = []
= wlan0 IPv6 hjemme [00:40:f4:ff:55:32] Workstation local
hostname = [hjemme.local]
address = [fe80::240:f4ff:feff:5532]
port = [9]
txt = []
= wlan0 IPv4 Hewlett-Packard HP LaserJet 1100 @ hjemme Internet Printer local
hostname = [hjemme.local]
address = [192.168.1.2]
port = [631]
txt = ["printer-type=0x900E" "printer-state=3" "Scan=F" "Sort=F" "Bind=F" "Punch=F" "Collate=F" "Copies=F" "Staple=F" "Duplex=F" "Color=T" "Fax=F" "Binary=F" "Transparent=F" "TLS=1.2" "UUID=1577ef95-eecb-3eae-6d02-aa29003eb546" "URF=DM3" "pdl=application/octet-stream,application/pdf,application/postscript,image/jpeg,image/png,image/urf" "product=(HP LaserJet 1100xi Printer)" "priority=0" "note=hjemme" "adminurl=http://hjemme.local:631/printers/Hewlett-Packard-HP-LaserJet-1100" "ty=HP LaserJet 1100, hpcups 3.12.2" "rp=printers/Hewlett-Packard-HP-LaserJet-1100" "qtotal=1" "txtvers=1"]
----------------
Excerpt from /var/log/cups/error_log to show that only IPv6 address is tried
I [13/Jan/2013:18:02:55 +0100] [Job 61] Started backend /usr/lib/cups/backend/dnssd (PID 7179)
D [13/Jan/2013:18:02:55 +0100] [Job 61] Resolving "Hewlett-Packard HP LaserJet 1100 @ hjemme._ipp._tcp.local"...
D [13/Jan/2013:18:02:55 +0100] [Job 61] STATE: +connecting-to-device
D [13/Jan/2013:18:02:55 +0100] [Job 61] Resolving "Hewlett-Packard HP LaserJet 1100 @ hjemme", regtype="_ipp._tcp", domain="local."...
D [13/Jan/2013:18:02:55 +0100] [Job 61] PPD uses qualifier 'Gray.Plain.'
D [13/Jan/2013:18:02:55 +0100] [Job 61] Calling FindDeviceById(LaserJet_1100xi_Printer)
D [13/Jan/2013:18:02:55 +0100] [Job 61] Failed to send: org.freedesktop.ColorManager.Failed:device id 'LaserJet_1100xi_Printer' does not exists
D [13/Jan/2013:18:02:55 +0100] [Job 61] Failed to get profile filename!
I [13/Jan/2013:18:02:55 +0100] [Job 61] no profiles specified in PPD
D [13/Jan/2013:18:02:55 +0100] [Job 61] Set job-printer-state-message to "no profiles specified in PPD", current level=INFO
D [13/Jan/2013:18:02:55 +0100] [Job 61] Ghostscript command line: /usr/bin/gs -dQUIET -dPARANOIDSAFER -dNOPAUSE -dBATCH -dNOINTERPOLATE -sDEVICE=cups -sstdout=%stderr -sOutputFile=%stdout -sMediaType=Plain -sOutputType=0 -r600x600 -dMediaPosition=7 -dDEVICEWIDTHPOINTS=595 -dDEVICEHEIGHTPOINTS=841 -dcupsBitsPerColor=1 -dcupsColorOrder=0 -dcupsColorSpace=3 -dcupsRowCount=1 -dcupsRowStep=2 -dcupsInteger0=26 -scupsPageSizeName=A4 -I/usr/share/cups/fonts -c -f -_
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[0]="CUPS_CACHEDIR=/var/cache/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[1]="CUPS_DATADIR=/usr/share/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[2]="CUPS_DOCROOT=/usr/share/cups/doc-root"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[3]="CUPS_FONTPATH=/usr/share/cups/fonts"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[4]="CUPS_REQUESTROOT=/var/spool/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[5]="CUPS_SERVERBIN=/usr/lib/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[6]="CUPS_SERVERROOT=/etc/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[7]="CUPS_STATEDIR=/var/run/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[8]="HOME=/var/spool/cups/tmp"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[9]="PATH=/usr/lib/cups/filter:/usr/bin:/usr/sbin:/bin:/usr/bin"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[10]="SERVER_ADMIN=root at MobilIgor5a"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[11]="SOFTWARE=CUPS/1.5.3"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[12]="USER=root"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[13]="CUPS_SERVER=/var/run/cups/cups.sock"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[14]="CUPS_ENCRYPTION=IfRequested"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[15]="IPP_PORT=631"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[16]="CHARSET=utf-8"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[17]="LANG=en_US.UTF-8"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[18]="PPD=/etc/cups/ppd/LaserJet_1100xi_Printer.ppd"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[19]="RIP_MAX_CACHE=128m"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[20]="CONTENT_TYPE=application/pdf"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[21]="DEVICE_URI=dnssd://Hewlett-Packard%20HP%20LaserJet%201100%20%40%20hjemme._ipp._tcp.local/cups"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[22]="PRINTER_INFO=LaserJet_1100xi_Printer"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[23]="PRINTER_LOCATION=MobilIgor5a"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[24]="PRINTER=LaserJet_1100xi_Printer"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[25]="PRINTER_STATE_REASONS=none"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[26]="CUPS_FILETYPE=document"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[27]="FINAL_CONTENT_TYPE=printer/LaserJet_1100xi_Printer"
D [13/Jan/2013:18:02:55 +0100] [Job 61] envp[28]="AUTH_INFO_REQUIRED=none"
I [13/Jan/2013:18:02:55 +0100] [Job 61] Start rendering...
D [13/Jan/2013:18:02:55 +0100] [Job 61] Set job-printer-state-message to "Start rendering...", current level=INFO
I [13/Jan/2013:18:02:55 +0100] [Job 61] Processing page 1...
D [13/Jan/2013:18:02:55 +0100] [Job 61] Set job-printer-state-message to "Processing page 1...", current level=INFO
D [13/Jan/2013:18:02:55 +0100] [Job 61] Resolved as "ipp://[fe80::240:f4ff:feff:5532]:631/printers/Hewlett-Packard-HP-LaserJet-1100"...
D [13/Jan/2013:18:02:55 +0100] [Job 61] STATE: -connecting-to-device,offline-report
D [13/Jan/2013:18:02:55 +0100] [Job 61] Executing backend "/usr/lib/cups/backend/ipp"...
D [13/Jan/2013:18:02:55 +0100] [Job 61] Sending stdin for job...
D [13/Jan/2013:18:02:55 +0100] [Job 61] update_reasons(attr=0(), s="+connecting-to-device")
d [13/Jan/2013:18:02:55 +0100] [Job 61] op='+', new_reasons=1, state_reasons=1
D [13/Jan/2013:18:02:55 +0100] [Job 61] STATE: +connecting-to-device
D [13/Jan/2013:18:02:55 +0100] [Job 61] Looking up "fe80::240:f4ff:feff:5532"...
D [13/Jan/2013:18:02:55 +0100] [Job 61] PAGE: 1 1
D [13/Jan/2013:18:02:57 +0100] [Job 61] prnt/hpcups/HPCupsFilter.cpp 686: First raster data plane..DEBUG2: hrDeviceDesc="Unknown"
D [13/Jan/2013:18:02:59 +0100] [Job 61] prtGeneralCurrentLocalization type is 0, expected 2!
D [13/Jan/2013:18:02:59 +0100] [Job 61] backendWaitLoop(snmp_fd=6, addr=0x7f9b29cfde68, side_cb=0x7f9b28cb8040)
D [13/Jan/2013:18:02:59 +0100] [Job 61] Connecting to fe80::240:f4ff:feff:5532:631
I [13/Jan/2013:18:02:59 +0100] [Job 61] Connecting to printer.
D [13/Jan/2013:18:02:59 +0100] [Job 61] Set job-printer-state-message to "Connecting to printer.", current level=INFO
D [13/Jan/2013:18:02:59 +0100] [Job 61] Connection error: Invalid argument
E [13/Jan/2013:18:02:59 +0100] [Job 61] The printer is not responding.
D [13/Jan/2013:18:02:59 +0100] [Job 61] Set job-printer-state-message to "The printer is not responding.", current level=ERROR
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