Comment # 3 on bug 956875 from Johannes Meixner

In your attachment#657554 [details]
I get
---------------------------------------------------------------------
$ ls y2log-*
y2log-1.gz  y2log-2.gz  y2log-3.gz  y2log-4.gz  y2log-5.gz

$ gunzip y2log-*

$ egrep 'commandline: /usr/lib/YaST2/bin/create_printer_ppd_database|lpinfo' \
 y2log-*

y2log-1:2015-11-26 17:34:25 <1> linux-xmzn(5538) [Ruby]
 modules/Printerlib.rb:97 Executing bash
 commandline: /usr/lib/YaST2/bin/create_printer_ppd_database
 >/var/lib/YaST2/printer_ppd_database.ycp
y2log-1:2015-11-26 17:35:26 <3> linux-xmzn(5538) [bash]
 ShellCommand.cc(shellcommand):78 lpinfo: Success

y2log-1:2015-11-26 17:46:46 <1> linux-xmzn(6800) [Ruby]
 modules/Printerlib.rb:97 Executing bash
 commandline: /usr/lib/YaST2/bin/create_printer_ppd_database
 >/var/lib/YaST2/printer_ppd_database.ycp
y2log-1:2015-11-26 17:47:47 <3> linux-xmzn(6800) [bash]
 ShellCommand.cc(shellcommand):78 lpinfo: Success

y2log-1:2015-11-26 17:50:01 <1> linux-xmzn(6800) [Ruby]
 modules/Printerlib.rb:97 Executing bash
 commandline: /usr/lib/YaST2/bin/create_printer_ppd_database
 >/var/lib/YaST2/printer_ppd_database.ycp
---------------------------------------------------------------------
which matches
https://bugzilla.suse.com/show_bug.cgi?id=727911#c21

In your case it failed two times (with "lpinfo: Success")
and at the third time it worked (no "lpinfo: Success").

*** This bug has been marked as a duplicate of bug 727911 ***