Description of problem:
http://koji.fedoraproject.org/packages/PackageKit/0.1.7/1.fc9/data/logs/i386/build.log
[...]
YUM backend:               no
YUM2 backend:              no

$ sudo /usr/sbin/packagekitd --verbose
Password: 
TI:15:13:46	TH:0x9bc73f0	FI:pk-debug.c	FN:pk_debug_init,156
 - Verbose debugging enabled
TI:15:13:46	TH:0x9bc73f0	FI:pk-conf.c	FN:pk_conf_init,140
 - using config file '/etc/PackageKit/PackageKit.conf'
TI:15:13:46	TH:0x9bc73f0	FI:pk-main.c	FN:main,218
 - daemon shutdown set to 60 seconds
TI:15:13:46	TH:0x9bc73f0	FI:pk-main.c	FN:main,222
 - using default backend yum
TI:15:13:46	TH:0x9bc73f0	FI:pk-backend.c	FN:pk_backend_set_name,141
 - Trying to load : yum
TI:15:13:46	TH:0x9bc73f0	FI:pk-backend.c	FN:pk_backend_build_library_path,116
 - dlopening '/usr/lib/packagekit-backend/libpk_backend_yum.so'
TI:15:13:46	TH:0x9bc73f0	FI:pk-backend.c	FN:pk_backend_set_name,145
 - opening module yum failed : /usr/lib/packagekit-backend/libpk_backend_yum.so:
cannot open shared object file: No such file or directory
*** ERROR ***
TI:15:13:46	TH:0x9bc73f0	FI:pk-main.c	FN:main,232
 - cannot continue, backend invalid

$ rpm -qf /usr/lib/packagekit-backend/libpk_backend_yum.so
error: file /usr/lib/packagekit-backend/libpk_backend_yum.so: No such file or
directory

Version-Release number of selected component (if applicable):
0.1.7-1.fc9

How reproducible:
always

Steps to Reproduce:
1. $sudo /usr/sbin/packagekitd --verbose
2.
3.
  
Actual results:


Expected results:


Additional info: