Description of problem: sadly, I have no idea how to re-produce this. I woke up to the error :( Version-Release number of selected component: evolution-3.6.3-2.fc18 Additional info: backtrace_rating: 4 cmdline: evolution crash_function: g_mutex_free executable: /usr/bin/evolution kernel: 3.8.1-201.fc18.x86_64 uid: 1000 Truncated backtrace: Thread no. 1 (9 frames) #5 g_mutex_free at deprecated/gthread-deprecated.c:1493 #6 ews_folder_dispose at camel-ews-folder.c:1814 #8 mail_backend_folder_changed_cb at e-mail-backend.c:746 #9 ffi_call_unix64 at ../src/x86/unix64.S:75 #10 ffi_call at ../src/x86/ffi64.c:486 #11 g_cclosure_marshal_generic_va at gclosure.c:1550 #12 _g_closure_invoke_va at gclosure.c:840 #15 flush_updates_idle_cb at mail-folder-cache.c:264 #20 gtk_main at gtkmain.c:1160
Created attachment 706555 [details] File: backtrace
Created attachment 706556 [details] File: build_ids
Created attachment 706557 [details] File: cgroup
Created attachment 706558 [details] File: core_backtrace
Created attachment 706559 [details] File: dso_list
Created attachment 706560 [details] File: environ
Created attachment 706561 [details] File: limits
Created attachment 706562 [details] File: maps
Created attachment 706563 [details] File: open_fds
Created attachment 706564 [details] File: proc_pid_status
Created attachment 706565 [details] File: var_log_messages
Thanks for a bug report. I moved this upstream as [1]. Please see [1] for any further updates. If possible, please CC yourself there, in case upstream developers will have additional questions. [1] https://bugzilla.gnome.org/show_bug.cgi?id=695433