Slightly different backtrace which does not list libpng as the direct site of the crash...
** Attachment added: "Crash report with libgstreamer0.10-0-dbgsym installed" http://librarian.launchpad.net/5500598/_usr_bin_totem-video-thumbnailer.1000.crash -- libpng segfault when thumbnailing movie https://launchpad.net/bugs/76524 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
