Description of problem:
I had DNF install on cmdline waiting for some time for confirmation. Not sure if something happened in background, since second attempt passed just fine

Version-Release number of selected component:
dnf-0.6.4-1.fc22

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python -OO /bin/dnf upgrade --disablerepo=rpmfusion* -x kernel* -x check -x gdm
executable:     /bin/dnf
kernel:         3.19.0-1.fc22.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
#1 do_transaction in /usr/lib/python2.7/site-packages/dnf/cli/cli.py:210
#2 resolving in /usr/lib/python2.7/site-packages/dnf/cli/main.py:160
#3 _main in /usr/lib/python2.7/site-packages/dnf/cli/main.py:141
#4 main in /usr/lib/python2.7/site-packages/dnf/cli/main.py:84
#5 user_main in /usr/lib/python2.7/site-packages/dnf/cli/main.py:182
#6 <module> in /bin/dnf:36