Public bug reported: here's the gdb backtrace info.
gdb nautilus GNU gdb (GDB) 7.6.1-ubuntu Copyright (C) 2013 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://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/nautilus...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/nautilus [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffea863700 (LWP 30439)] [New Thread 0x7fffe95d4700 (LWP 30446)] [New Thread 0x7fffe8dd3700 (LWP 30449)] Initializing nautilus-dropbox 1.4.0 [New Thread 0x7fffd9a69700 (LWP 30467)] Initializing nautilus-open-terminal extension [New Thread 0x7fffd2f2c700 (LWP 30480)] [New Thread 0x7fffc3fbf700 (LWP 30543)] sys:1: Warning: g_object_set: assertion 'G_IS_OBJECT (object)' failed [New Thread 0x7fffb8da5700 (LWP 30614)] [New Thread 0x7fffabfff700 (LWP 30685)] [New Thread 0x7fffab7fe700 (LWP 30686)] [New Thread 0x7fffb35b5700 (LWP 30703)] [New Thread 0x7fffb9268700 (LWP 30705)] totem-video-thumbnailer couldn't open file 'file:///home/niek/Bureaublad/OLDCODEX%20-%20Rage%20on%20-%20Letra%20espa%C3%B1ol.mp4' sys:1: Warning: g_object_unref: assertion 'G_IS_OBJECT (object)' failed Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffb9268700 (LWP 30705)] sem_post () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S:33 33 ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S: Bestand of map bestaat niet. (gdb) bt #0 sem_post () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S:33 #1 0x00007fffc5c6e4f9 in PyThread_release_lock () from /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0 #2 0x00007ffff46a1319 in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff46a1522 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007ffff758578a in ?? () from /usr/lib/libgnome-desktop-3.so.7 #5 0x00007ffff7585c32 in gnome_desktop_thumbnail_factory_generate_thumbnail () from /usr/lib/libgnome-desktop-3.so.7 #6 0x00000000004d4311 in ?? () #7 0x00007ffff3f1df6e in start_thread (arg=0x7fffb9268700) at pthread_create.c:311 #8 0x00007ffff3c489cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 it has probably something to do with the tumbnailer since removing the video file "home/niek/Bureaublad/OLDCODEX%20-%20Rage%20on%20-%20Letra%20espa%C3%B1ol.mp4'" resolves the issue. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: nautilus 1:3.8.2-0ubuntu2.2 ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10 Uname: Linux 3.11.0-15-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 CheckboxSubmission: fc55a6bc7882340faf05bb6742f99c65 CheckboxSystem: b8f3ec504801f13fc208edb5c785b099 Date: Sun Jan 19 10:42:44 2014 InstallationDate: Installed on 2011-10-23 (818 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MarkForUpload: True SourcePackage: nautilus UpgradeStatus: Upgraded to saucy on 2013-10-28 (82 days ago) ** Affects: nautilus (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug saucy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1270542 Title: nautilus crashes with segfault a few seconds after startup [thumbnailer issue] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1270542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs