Based on the MIB messages, looks like there is a problem with net-snmp installation. This is an hplip library dependency. See snmpwalk in the troubleshooting section http://hplip.sourceforge.net/troubleshooting/network.html .
-dave > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Geert Janssens > Sent: Monday, August 06, 2007 6:51 AM > To: hplip-help@lists.sourceforge.net > Subject: [Hplip-help] Printing fails after reboot > > Hi, > > I have a problem printing to a HP LaserJet 3030 connected to > the network via a HP JetDirect printserver from a CentOS 5 > workstation. > > The configuration went fine, although I don't know exactly > anymore which tool I used. I believe I used CentOS's standard > system-config-printer. > > Now when I boot the workstation, and try to print something > to the HP, this fails resulting in several entries in > /var/log/messages like: > hp_LaserJet_3030?ip=192.168.93.12: invalid message: No log > handling enabled - turning on stderr logging : > prnt/hpijs/hplip_api.c 183 > hp_LaserJet_3030?ip=192.168.93.12: INFO: open device failed; > will retry in 30 seconds... > hp_LaserJet_3030?ip=192.168.93.12: invalid message: Cannot find module > (IP-MIB): At line 0 in (none) Cannot find module (IF-MIB): At > line 0 in > (none) Cannot find module (TCP-MIB): At line 0 in (none) > Cannot find module (UDP-MIB): At line 0 in (none) Cannot find module > (HOST-RESOURCES-MIB): > hp_LaserJet_3030?ip=192.168.93.12: INFO: open device failed; > will retry in 30 seconds... > hp_LaserJet_3030?ip=192.168.93.12: invalid message: > N-SCHEDULE-MIB): At line 0 in (none) Cannot find module > (UCD-SNMP-MIB): At line 0 in (none) Cannot find module > (UCD-DEMO-MIB): At line 0 in (none) Cannot find module > (SNMP-TARGET-MIB): At line 0 in (none) Cannot find module > (NET-SNMP-AGEN > hp_LaserJet_3030?ip=192.168.93.12: INFO: open device failed; > will retry in 30 seconds... > > The print job remains in the queue. > > In another test, when I try to open the hp-toolbox after a > reboot, but BEFORE trying to print, I get these error > messages on the command line (and /var/log/messages): > python: hp-toolbox[3522]: warning: Unknown message type > python: hp-toolbox[3522]: warning: Unknown message type And > the toolbox will show the printer with a red cross (printer > not available or something ?) > > If I then close the hp-toolbox, and open it again, the errors > have disappeared and the printer is shown as online. And > moreover, I can print to it !? > > Moreover, I can continue to print without any problems until > the next reboot. Then the story start all over again. > > So it appears I have a workaround for the problem, but I > would like to know the cause and fix it. The workaround is > useful for me as sysadmin. > The users of this workstation are simple computer users, not > powerusers. > They can grasp simple tasks, but this workaround will be > complicated and frustrating to them. > > Any idea what goes on here ? > > I did some additional tests: > * When printing failed, I opened the KDE control panel, > removed the blocked job and tried to print a test page from > there. This worked, although I don't know why. After this > testpage, I could print normally to the printer also. > * When printing failed, I launched the cups web interface, > removed the blocked job and restarted the printer via the > interface. Afterwards I could print normally. > > All this seems to suggest that something goes wrong at boot > time when starting hplip and cups. I already tried delaying > the cups startup to allow more time for hplip to complete, > but this didn't seem to help very much. > > Any help or tip is greatly appreciated... > > Thank you, > > Geert > > -------------------------------------------------------------- > ----------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and > a browser. > Download your FREE copy of Splunk now >> > http://get.splunk.com/ _______________________________________________ > HPLIP-Help mailing list > HPLIP-Help@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/hplip-help > ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ HPLIP-Help mailing list HPLIP-Help@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/hplip-help
