I'm using edgy. Nautilus 2.15.90. Happens regardless of file being downloaded.
The backtrace: Thread 2 (Thread -1242137696 (LWP 8497)): #0 0xffffe410 in __kernel_vsyscall () #1 0x4669103e in __lll_mutex_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x4668d6c4 in _L_mutex_lock_49 () from /lib/tls/i686/cmov/libpthread.so.0 #3 0xb5f671e8 in ?? () #4 0x466df9b2 in g_main_context_default () from /usr/lib/libglib-2.0.so.0 #5 0x466e0c0f in g_source_attach () from /usr/lib/libglib-2.0.so.0 #6 0x466e0d6e in g_idle_add_full () from /usr/lib/libglib-2.0.so.0 #7 0x466e0dd0 in g_idle_add () from /usr/lib/libglib-2.0.so.0 #8 0x41167458 in gnome_vfs_job_get_count () from /usr/lib/libgnomevfs-2.so.0 #9 0x41167968 in gnome_vfs_job_get_count () from /usr/lib/libgnomevfs-2.so.0 #10 0x41166f53 in gnome_vfs_async_set_job_limit () from /usr/lib/libgnomevfs-2.so.0 #11 0x466fccf0 in g_thread_pool_push () from /usr/lib/libglib-2.0.so.0 #12 0x466fb545 in g_thread_create_full () from /usr/lib/libglib-2.0.so.0 #13 0x4668b534 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #14 0x4650521e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread -1210849616 (LWP 8450)): #0 0x4668d423 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0 #1 0x466e18d6 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 ---Type <return> to continue, or q <return> to quit--- #2 0x466e1c28 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #3 0x466e220c in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #4 0x414e1072 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #5 0x0807b085 in main (argc=1, argv=0xbf996d94) at nautilus-main.c:367 #6 0x4644c8b8 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #7 0x080678a1 in _start () #0 0x4668d423 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0 -- High CPU usage https://launchpad.net/bugs/54684 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs