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[Bug 1438456] Re: hp-setup creates spurious cupsd process

 

Fixed in hplip-3.15.6

** Changed in: hplip
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1438456

Title:
  hp-setup creates spurious cupsd process

Status in HP Linux Imaging and Printing:
  Fix Released
Status in hplip package in Ubuntu:
  New

Bug description:
  This is on a fully up-to-date Ubuntu 14.04 machine. Running hp-setup
  to connect a networked printer creates a spurious cupsd process, so
  that the system ends up with two cupsd processes running:

  Before running hp-setup:
  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      1982  0.0  0.1  77144  4256 ?        Ss   19:37   0:00 /usr/sbin/cupsd -f
  gpothier  1996  0.0  0.0  22016   940 pts/1    S+   19:49   0:00 grep --color=auto cupsd

  After running hp-setup:
  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      2037  0.3  0.0  90252  3848 ?        Ss   19:50   0:00 /usr/sbin/cupsd -C /etc/cups/cupsd.conf
  root      2038  5.3  0.1  78264  5380 ?        Ss   19:50   0:00 /usr/sbin/cupsd -f
  gpothier  2052  0.0  0.0  22016   936 pts/1    S+   19:50   0:00 grep --color=auto cupsd

  This causes a race condition between the two processes to save the
  cups configuration when they are killed. In particular, this causes
  the printer added by hp-setup to disappear after reboot, if no
  additional steps are taken.

  Here is a full transcript (with a few CR/LF added for clarity):

  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      1982  0.0  0.1  77144  4256 ?        Ss   19:37   0:00 /usr/sbin/cupsd -f
  gpothier  1996  0.0  0.0  22016   940 pts/1    S+   19:49   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ lpstat -v
  dispositivo para Brother-HL-2270DW: ipp://cali00.local:631/printers/Brother_HL-2270DW
  dispositivo para EpsonT1110: ipp://192.168.0.12:631/printers/EpsonT1110
  dispositivo para HP-CM1415fmw: ipps://cali-sys.local:631/printers/HP_CM1415fmw
  dispositivo para HP-LaserJet-Professional-P1102w: ipp://192.168.0.12:631/printers/HP-LaserJet-Professional-P1102w
  dispositivo para Zebra-GK420t: ipp://192.168.0.12:631/printers/Zebra-GK420t

  gpothier@zb-ale:~$ sudo hp-setup -i

  HP Linux Imaging and Printing System (ver. 3.14.3)
  Printer/Fax Setup Utility ver. 9.0

  Copyright (c) 2001-13 Hewlett-Packard Development Company, LP
  This software comes with ABSOLUTELY NO WARRANTY.
  This is free software, and you are welcome to distribute it
  under certain conditions. See COPYING file for more details.

  (Note: Defaults for each question are maked with a '*'. Press <enter>
  to accept the default.)

  
  --------------------------------
  | SELECT CONNECTION (I/O) TYPE |
  --------------------------------

    Num       Connection  Description                                               
              Type                                                                  
    --------  ----------  ----------------------------------------------------------
    0*        usb         Universal Serial Bus (USB)                                
    1         net         Network/Ethernet/Wireless (direct connection or JetDirect)
    2         par         Parallel Port (LPT:)                                      

  Enter number 0...2 for connection type (q=quit, enter=usb*) ? 1

  Using connection type: net

  Using device: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108

  
  Setting up device: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108


  ---------------------
  | PRINT QUEUE SETUP |
  ---------------------

  
  Please enter a name for this print queue (m=use model name:'HP_Officejet_Pro_X476dw_MFP'*, q=quit) ?
  Using queue name: HP_Officejet_Pro_X476dw_MFP
  Locating PPD file... Please wait.

  Found PPD file: postscript-hp:1/ppd/hplip/HP/hp-officejet_pro_476_576_series-ps.ppd
  Description: 

  Note: The model number may vary slightly from the actual model number
  on the device.

  Does this PPD file appear to be the correct one (y=yes*, n=no, q=quit) ? 
  Enter a location description for this printer (q=quit) ?
  Enter additonal information or notes for this printer (q=quit) ?

  Adding print queue to CUPS:
  Device URI: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108
  Queue name: HP_Officejet_Pro_X476dw_MFP
  PPD file: postscript-hp:1/ppd/hplip/HP/hp-officejet_pro_476_576_series-ps.ppd
  Location: 
  Information: 
   

  -------------------
  | FAX QUEUE SETUP |
  -------------------

  
  Please enter a name for this fax queue (m=use model name:'HP_Officejet_Pro_X476dw_MFP_fax'*, q=quit) ?q
  OK, done.

  gpothier@zb-ale:~$ lpstat -v
  dispositivo para Brother-HL-2270DW: ipp://cali00.local:631/printers/Brother_HL-2270DW
  dispositivo para EpsonT1110: ipp://192.168.0.12:631/printers/EpsonT1110
  dispositivo para HP-CM1415fmw: ipps://cali-sys.local:631/printers/HP_CM1415fmw
  dispositivo para HP-LaserJet-Professional-P1102w: ipp://192.168.0.12:631/printers/HP-LaserJet-Professional-P1102w
  dispositivo para HP_Officejet_Pro_X476dw_MFP: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108
  dispositivo para Zebra-GK420t: ipp://192.168.0.12:631/printers/Zebra-GK420t

  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      2037  0.3  0.0  90252  3848 ?        Ss   19:50   0:00 /usr/sbin/cupsd -C /etc/cups/cupsd.conf
  root      2038  5.3  0.1  78264  5380 ?        Ss   19:50   0:00 /usr/sbin/cupsd -f
  gpothier  2052  0.0  0.0  22016   936 pts/1    S+   19:50   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ sudo service cups stop
  cups stop/waiting

  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      2037  0.1  0.0  90252  3848 ?        Ss   19:50   0:00 /usr/sbin/cupsd -C /etc/cups/cupsd.conf
  gpothier  2065  0.0  0.0  22016   940 pts/1    S+   19:50   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ sudo killall cupsd

  gpothier@zb-ale:~$ ps aux |grep cupsd
  gpothier  2069  0.0  0.0  22016   936 pts/1    S+   19:50   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ sudo service cups start
  cups start/running, process 2084

  gpothier@zb-ale:~$ lpstat -v
  dispositivo para Brother-HL-2270DW: ipp://cali00.local:631/printers/Brother_HL-2270DW
  dispositivo para EpsonT1110: ipp://192.168.0.12:631/printers/EpsonT1110
  dispositivo para HP-CM1415fmw: ipps://cali-sys.local:631/printers/HP_CM1415fmw
  dispositivo para HP-LaserJet-Professional-P1102w: ipp://192.168.0.12:631/printers/HP-LaserJet-Professional-P1102w
  dispositivo para Zebra-GK420t: ipp://192.168.0.12:631/printers/Zebra-GK420t

  gpothier@zb-ale:~$ sudo hp-setup -i

  HP Linux Imaging and Printing System (ver. 3.14.3)
  Printer/Fax Setup Utility ver. 9.0

  Copyright (c) 2001-13 Hewlett-Packard Development Company, LP
  This software comes with ABSOLUTELY NO WARRANTY.
  This is free software, and you are welcome to distribute it
  under certain conditions. See COPYING file for more details.

  (Note: Defaults for each question are maked with a '*'. Press <enter>
  to accept the default.)

  
  --------------------------------
  | SELECT CONNECTION (I/O) TYPE |
  --------------------------------

    Num       Connection  Description                                               
              Type                                                                  
    --------  ----------  ----------------------------------------------------------
    0*        usb         Universal Serial Bus (USB)                                
    1         net         Network/Ethernet/Wireless (direct connection or JetDirect)
    2         par         Parallel Port (LPT:)                                      

  Enter number 0...2 for connection type (q=quit, enter=usb*) ? 1

  Using connection type: net

  Using device: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108

  
  Setting up device: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108


  ---------------------
  | PRINT QUEUE SETUP |
  ---------------------

  
  Please enter a name for this print queue (m=use model name:'HP_Officejet_Pro_X476dw_MFP'*, q=quit) ?
  Using queue name: HP_Officejet_Pro_X476dw_MFP
  Locating PPD file... Please wait.

  Found PPD file: postscript-hp:1/ppd/hplip/HP/hp-officejet_pro_476_576_series-ps.ppd
  Description: 

  Note: The model number may vary slightly from the actual model number
  on the device.

  Does this PPD file appear to be the correct one (y=yes*, n=no, q=quit) ? 
  Enter a location description for this printer (q=quit) ?
  Enter additonal information or notes for this printer (q=quit) ?

  Adding print queue to CUPS:
  Device URI: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108
  Queue name: HP_Officejet_Pro_X476dw_MFP
  PPD file: postscript-hp:1/ppd/hplip/HP/hp-officejet_pro_476_576_series-ps.ppd
  Location: 
  Information: 
   

  -------------------
  | FAX QUEUE SETUP |
  -------------------

  
  Please enter a name for this fax queue (m=use model name:'HP_Officejet_Pro_X476dw_MFP_fax'*, q=quit) ?q
  OK, done.

  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      2127  0.3  0.0  90252  3844 ?        Ss   19:51   0:00 /usr/sbin/cupsd -C /etc/cups/cupsd.conf
  root      2128  5.3  0.1  78264  5384 ?        Ss   19:51   0:00 /usr/sbin/cupsd -f
  gpothier  2141  0.0  0.0  22016   940 pts/1    S+   19:52   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ sudo kill 2127

  gpothier@zb-ale:~$ lpstat -v
  lpstat: Descriptor de archivo erróneo

  gpothier@zb-ale:~$ ps aux |grep cupsd
  root      2128  0.7  0.1  78264  5384 ?        Ss   19:51   0:00 /usr/sbin/cupsd -f
  gpothier  2147  0.0  0.0  22016   936 pts/1    S+   19:53   0:00 grep --color=auto cupsd

  gpothier@zb-ale:~$ sudo service cups restart
  cups stop/waiting
  cups start/running, process 2183

  gpothier@zb-ale:~$ lpstat -v
  dispositivo para Brother-HL-2270DW: ipp://cali00.local:631/printers/Brother_HL-2270DW
  dispositivo para EpsonT1110: ipp://192.168.0.12:631/printers/EpsonT1110
  dispositivo para HP-CM1415fmw: ipps://cali-sys.local:631/printers/HP_CM1415fmw
  dispositivo para HP-LaserJet-Professional-P1102w: ipp://192.168.0.12:631/printers/HP-LaserJet-Professional-P1102w
  dispositivo para HP_Officejet_Pro_X476dw_MFP: hp:/net/HP_Officejet_Pro_X476dw_MFP?ip=192.168.0.108
  dispositivo para Zebra-GK420t: ipp://192.168.0.12:631/printers/Zebra-GK420t

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: hplip 3.14.3-0ubuntu3.2
  ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
  Uname: Linux 3.13.0-48-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  Date: Mon Mar 30 19:56:57 2015
  InstallationDate: Installed on 2013-11-28 (487 days ago)
  InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: ZOTAC ZBOXSD-ID12/ID13
  Papersize: letter
  PpdFiles:
   HP_LaserJet_CM1415fnw_2: HP LaserJet CM1410 Series Postscript (recommended)
   qw: HP Fax2 hpcups
   HP_Officejet_Pro_X476dw_MFP: HP Officejet Pro X476-X576 MFP Postscript (recommended)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-48-generic root=UUID=dba2a232-45d8-4552-88a9-13abdad061ce ro quiet splash vt.handoff=7
  SourcePackage: hplip
  UpgradeStatus: Upgraded to trusty on 2014-05-15 (319 days ago)
  dmi.bios.date: 12/23/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080016
  dmi.board.asset.tag: NA
  dmi.board.name: ZBOXSD-ID12/ID13
  dmi.board.vendor: ZOTAC
  dmi.board.version: XX
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080016:bd12/23/2010:svnZOTAC:pnZBOXSD-ID12/ID13:pvrXX:rvnZOTAC:rnZBOXSD-ID12/ID13:rvrXX:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: ZBOXSD-ID12/ID13
  dmi.product.version: XX
  dmi.sys.vendor: ZOTAC

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