Description of problem:
Didn't do anything specific to trigger this, seems to happen 'in the background' during normal operation, or system start or something.

Version-Release number of selected component:
gnome-online-accounts-3.11.2-1.fc21

Additional info:
reporter:       libreport-2.1.10
backtrace_rating: 4
cmdline:        /usr/libexec/goa-daemon
crash_function: __pthread_mutex_lock
executable:     /usr/libexec/goa-daemon
kernel:         3.13.0-0.rc3.git3.1.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1001

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 __pthread_mutex_lock at ../nptl/pthread_mutex_lock.c:66
 #1 g_mutex_lock at gthread-posix.c:213
 #2 g_source_ref at gmain.c:1953
 #3 on_cancelled at goaalarm.c:259
 #4 _g_closure_invoke_va at gclosure.c:840
 #7 g_cancellable_cancel at gcancellable.c:503
 #8 goa_alarm_set_time at goaalarm.c:595
 #9 set_alarm at goakerberosidentity.c:789
 #10 reset_alarms at goakerberosidentity.c:875
 #11 goa_kerberos_identity_update at goakerberosidentity.c:1310

Potential duplicate: bug 1045241