Description of problem:
I tried to open another instance of caja to look at something in my home folder while I already had an instance opened with elevated privileges elsewhere in the file system.

It is 100% reproducible on my system.

Version-Release number of selected component:
mate-file-manager-1.6.3-1.fc20

Additional info:
reporter:       libreport-2.1.11
backtrace_rating: 4
cmdline:        caja --no-desktop --browser
crash_function: _g_log_abort
executable:     /usr/bin/caja
kernel:         3.12.8-300.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #2 _g_log_abort at gmessages.c:255
 #5 button_data_file_changed at caja-pathbar.c:1859
 #6 _g_closure_invoke_va at gclosure.c:840
 #9 caja_file_emit_changed at caja-file.c:7407
 #10 caja_directory_emit_change_signals at caja-directory.c:809
 #11 emit_change_signals_for_all_files at caja-directory.c:259
 #12 g_hash_table_foreach at ghash.c:1526
 #17 g_settings_real_change_event at gsettings.c:288
 #18 ffi_call_unix64 at ../src/x86/unix64.S:76
 #19 ffi_call at ../src/x86/ffi64.c:522