Version-Release number of selected component:
yumex-3.0.16-1.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python -E /usr/share/yumex/yum_childtask.py 2 True False /etc/yum.conf updates-testing;fedora;rpmfusion-free-rawhide;rpmfusion-nonfree-rawhide;updates
dso_list:       yum-3.4.3-153.fc21.noarch
executable:     /usr/share/yumex/yum_childtask.py
kernel:         3.17.3-300.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
misc.py:1017:write:IOError: [Errno 5] Erreur d'entrée/sortie

Traceback (most recent call last):
  File "/usr/share/yumex/yum_childtask.py", line 64, in <module>
    my.dispatcher()
  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 1520, in dispatcher
    print errmsg
  File "/usr/lib/python2.7/site-packages/yum/misc.py", line 1017, in write
    self.stream.write(s)
IOError: [Errno 5] Erreur d'entrée/sortie

Local variables in innermost frame:
s: 'Traceback (most recent call last):\n  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 1499, in dispatcher\n    line = sys.stdin.readline().strip(\'\\n\')\nIOError: [Errno 5] Erreur d\'entr\xc3\xa9e/sortie\n'
self: <open file '<stdout>', mode 'w' at 0x7f33f650f150>

Potential duplicate: bug 1005561