(discovered from bug 5436) I ended up with an empty transaction, and proceeded with next. After clicking back again I was greeted with a crash: 2015-03-09 10:01:40,683: Resolving packages... 2015-03-09 10:01:40,795: Loaded plugins: refresh-packagekit, rhnplugin 2015-03-09 10:01:42,691: This system is receiving updates from RHN Classic or RHN Satellite. 2015-03-09 10:01:51,036: resolving package 'lsb-core-amd64' for installation. 2015-03-09 10:01:51,254: package 'lsb-core-amd64' provides package 'redhat-lsb' 2015-03-09 10:01:51,255: resolving package 'lsb-graphics-amd64' for installation. 2015-03-09 10:01:51,482: package 'lsb-graphics-amd64' provides package 'redhat-lsb-graphics' 2015-03-09 10:01:51,482: resolving package 'redhat-lsb' for installation. 2015-03-09 10:01:51,496: package 'redhat-lsb-4.0-7.el6.x86_64' is already installed. 2015-03-09 10:01:51,496: resolving package 'redhat-lsb-graphics' for installation. 2015-03-09 10:01:51,509: package 'redhat-lsb-graphics-4.0-7.el6.x86_64' is already installed. 2015-03-09 10:01:51,598: Empty transaction after resolving packages. 2015-03-09 10:02:33,784: Resolving packages... 2015-03-09 10:02:33,785: Traceback (most recent call last): 2015-03-09 10:02:33,786: File "/opt/thinlinc/modules/thinlinc/tlsetup/pkginsthelp.py", line 44, in <lambda> 2015-03-09 10:02:33,786: self . __worker_thread = thread . start_new_thread ( lambda : self . __worker ( ) , ( ) ) 2015-03-09 10:02:33,786: File "/opt/thinlinc/modules/thinlinc/tlsetup/pkginsthelp.py", line 51, in __worker 2015-03-09 10:02:33,786: self . __job ( ) 2015-03-09 10:02:33,786: File "/opt/thinlinc/modules/thinlinc/tlsetup/pkginsthelp.py", line 221, in __resolver_job 2015-03-09 10:02:33,787: if O0o0Oo ( self . __packageinstaller ) : 2015-03-09 10:02:33,787: File "/opt/thinlinc/modules/thinlinc/tlsetup/pkginsthelp.py", line 114, in O0o0Oo 2015-03-09 10:02:33,787: I11I11i1I = backend . resolve ( ) 2015-03-09 10:02:33,788: File "/opt/thinlinc/modules/thinlinc/packageinstaller/yumbackend.py", line 134, in resolve 2015-03-09 10:02:33,788: self . _init_yum ( ) 2015-03-09 10:02:33,788: File "/opt/thinlinc/modules/thinlinc/packageinstaller/yumbackend.py", line 105, in _init_yum 2015-03-09 10:02:33,788: assert self . __yum is None 2015-03-09 10:02:33,788: AssertionError
This code got restructured in r36780 for bug 7692 in a way that prevents this from happening.