Version-Release number of selected component:
PackageKit-1.0.0-2.fc21

Additional info:
reporter:       libreport-2.2.3
backtrace_rating: 4
cmdline:        /usr/libexec/packagekitd
crash_function: pk_backend_job_get_cancellable
executable:     /usr/libexec/packagekitd
kernel:         3.17.0-301.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            0

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 pk_backend_job_get_cancellable at pk-backend-job.c:172
 #1 pk_backend_cancel at pk-backend.c:1014
 #2 pk_transaction_cancel_bg at pk-transaction.c:2711
 #3 pk_scheduler_cancel_background at pk-scheduler.c:793
 #4 pk_scheduler_commit at pk-scheduler.c:507
 #5 pk_scheduler_transaction_state_changed_cb at pk-scheduler.c:530
 #6 g_cclosure_marshal_VOID__UINTv at gmarshal.c:484
 #7 _g_closure_invoke_va at gclosure.c:831
 #10 pk_transaction_set_state at pk-transaction.c:829
 #11 pk_transaction_get_packages at pk-transaction.c:3418