I deleted the .thumbnails folder to get a fresh start, now it doesn't create any thumbnails and the gdb command yields:
#0 0x00002ba14dea7926 in *__GI___poll () from /lib/libc.so.6 #1 0x00002ba14d6e190e in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #2 0x00002ba14d6e1da6 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00002ba14c1f8163 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #4 0x000000000043b815 in main (argc=<value optimized out>, argv=0x7fff5fa2f398) at nautilus-main.c:372 #5 0x00002ba14de000c4 in __libc_start_main () from /lib/libc.so.6 #6 0x0000000000429669 in _start () #0 0x00002ba14dea7926 in *__GI___poll () from /lib/libc.so.6 -- Nautilus uses 100% CPU when trying to create thumbnails https://launchpad.net/bugs/56786 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs