Marlin unstable, crashing in list & column modes

[Chascon]

When in list & column modes, Marlin often crashes while accessing folders.

Steps to reproduce

List mode
-use the left and right arrow keys to open and close folders
-watch Marlin crash

Column mode
-run through the tree back and forth
-watch Marlin crash

I'm running on Ubuntu 12.10 presently, but have had the issue as far back as Natty?

For me, Marlin shines because of these views, that the dev has the brilliance to recognize that ordinary views are unproductive and plain out-dated. Thus, bringing stability would seem to be of primary importance.

[Daniel Dietrich (shaddowy2)]

I created backtraces with gdb with the following steps:
gdb marlin
run
[make marlin crash]
bt

First use case, list mode:

gdb marlin
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/marlin...Reading symbols from /usr/lib/debug/usr/bin/marlin...done.
done.
(gdb) run
Starting program: /usr/bin/marlin
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffecaf3700 (LWP 7741)]
[New Thread 0x7fffe7fff700 (LWP 7742)]
[INFO 13:05:37.420525] Welcome to Marlin
[INFO 13:05:37.420599] Version: 0.1
[INFO 13:05:37.420646] Report any issues/bugs you might find to http://bugs.launchpad.net/marlin
[New Thread 0x7fffdf0aa700 (LWP 7743)]
[New Thread 0x7fffde8a9700 (LWP 7744)]
[INFO 13:05:37.692988] marlin_window_columns_new file:///home/daniel
[WARN 13:05:37.695390] gof-directory-async.vala:92: dir file:///home/daniel ref_count 2
[INFO 13:05:37.695578] plugin.vala:121: CANCEL
[WARN 13:05:37.695621] plugin.vala:136: CTags Plugin dir file:///home/daniel
[INFO 13:05:37.695663] marlin_plugins_ubuntuone_real_directory_loaded
[INFO 13:05:37.695699] file file:///home/daniel
[INFO 13:05:37.704013] slot_active file:///home/daniel
[INFO 13:05:37.704070] slot_active > merge menus
[New Thread 0x7fffd3522700 (LWP 7745)]
[WARN 13:05:37.741450] >>> marlin_icon_info_infos_caches themed_icon_cache 5
[Thread 0x7fffd3522700 (LWP 7745) exited]
[WARN 13:05:37.814665] ViewContainer.vala:164: directory done loading
[New Thread 0x7fffd3522700 (LWP 7746)]
[WARN 13:05:37.817383] >>> marlin_icon_info_infos_caches themed_icon_cache 12
[INFO 13:05:37.818744] gof-callwhenready.vala:83: call when ready OK - empty list
[Thread 0x7fffd3522700 (LWP 7746) exited]
[INFO 13:05:37.910928] U1 path marlin_plugins_ubuntuone_daemon_ready /home/daniel/Pictures - IDEOS X5
[INFO 13:05:37.910975] U1 path marlin_plugins_ubuntuone_daemon_ready /home/daniel/Pictures - U8800
[Thread 0x7fffde8a9700 (LWP 7744) exited]
[INFO 13:05:43.861548] marlin_window_columns_finalize
[INFO 13:05:43.861807] plugin.vala:121: CANCEL
[WARN 13:05:43.861841] plugin.vala:136: CTags Plugin dir file:///home/daniel
[INFO 13:05:43.861873] marlin_plugins_ubuntuone_real_directory_loaded
[INFO 13:05:43.861901] file file:///home/daniel
[INFO 13:05:43.870483] slot_active file:///home/daniel
[INFO 13:05:43.870745] slot_active > merge menus
[WARN 13:05:43.875016] fm_columns_view_finalize
[WARN 13:05:43.880488] ViewContainer.vala:164: directory done loading
[New Thread 0x7fffde8a9700 (LWP 7747)]
[WARN 13:05:43.882972] >>> marlin_icon_info_infos_caches themed_icon_cache 20
[Thread 0x7fffde8a9700 (LWP 7747) exited]
[New Thread 0x7fffde8a9700 (LWP 7748)]
[WARN 13:05:43.941746] >>> marlin_icon_i...