I don't know if this helps, but here is a stacktrace from unity when the crash happens:
$ unity --advanced-debug Starting program: /usr/bin/compiz --replace [...] Program received signal SIGTERM, Terminated. 0x00007ffff727a425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 64 ../nptl/sysdeps/unix/sysv/linux/raise.c: Arquivo ou diretório não encontrado. #0 0x00007ffff727a425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 resultvar = 0 pid = <optimized out> selftid = 4035 #1 0x00007ffff3b60bb8 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #2 0x00007ffff3b605c0 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #3 0x00007ffff4bd012b in g_cclosure_marshal_generic_va () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x00007ffff4bcf407 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007ffff4be7df6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007ffff4be8642 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007ffff199feb5 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #8 0x00007ffff5b8cab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007ffff5b8cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007ffff5b8d1e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x000000000040270b in main () No symbol table info available. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072518 Title: Restarting network crashes (apparently) the desktop manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1072518/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs