. Thread 3 (LWP 2787): #0 0x00007f312ad42233 in select () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f3113c70f75 in ?? () No symbol table info available. #2 0x00007f3113636a70 in ?? () No symbol table info available. #3 0x00007f3113636af0 in ?? () No symbol table info available. #4 0x00007f3113636b70 in ?? () No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (LWP 2924): #0 0x00007f312ad3d3cd in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f312b8c11dc in g_main_context_poll (n_fds=3, fds=0x7f31000010c0, timeout=-1, context=0x7f31305421c0, priority=) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3995 poll_func = 0x7f312b8cf560 #2 g_main_context_iterate (context=0x7f31305421c0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3696 max_priority = 2147483647 timeout = -1 some_ready = allocated_nfds = fds = 0x7f31000010c0 nfds = 3 #3 0x00007f312b8c16ba in g_main_loop_run (loop=0x7f3130542150) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3895 __PRETTY_FUNCTION__ = "g_main_loop_run" #4 0x00007f31293d84f6 in gdbus_shared_thread_func (user_data=0x7f3130542190) at /build/buildd/glib2.0-2.36.0/./gio/gdbusprivate.c:278 data = 0x7f3130542190 #5 0x00007f312b8e4eb5 in g_thread_proxy (data=0x7f31305458f0) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798 thread = 0x7f31305458f0 #6 0x00007f312b01ff8e in start_thread (arg=0x7f3106ddf700) at pthread_create.c:311 __res = pd = 0x7f3106ddf700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139848545335040, -6100330644834186515, 0, 139849207328864, 140734909698880, 4096, 6139892980780796653, 6139835221426866925}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #7 0x00007f312ad49e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 No locals. . Thread 1 (LWP 2693): #0 __mempcpy_sse2 () at ../sysdeps/x86_64/memcpy.S:272 No locals. #1 0x00007f312acccb0e in __GI__IO_default_xsputn (f=f@entry=0x7f3130c160d0, data=data@entry=0x7f3107d90010, n=n@entry=107925) at genops.c:464 count = 4096 s = more = 107925 #2 0x00007f312accabb3 in _IO_new_file_xsputn (n=107924, data=, f=0x7f3130c160d0) at fileops.c:1364 block_size = do_write = 106496 s = 0x7f3107d76010 "\n\n\n\t\n\t\t\n\t\t\t0\n\t\t\t\n\t\t\t\t\n\n\n\t\n\t\t\n\t\t\t0\n\t\t\t\n\t\t\t\t\n\n\n\t\n\t\t\n\t\t\t0\n\t\t\t\n\t\t\t\t\n\n\n\t\n\t\t\n\t\t\t0\n\t\t\t\n\t\t\t\t, "/o1.1\177", '\000' "\360, \026\001\000\000\000\000\204\343\026\001\000\000\000\000\204\343\026\001", '\000' , "\005\000\000\000\000\000\000\000\000\340\066\001\000\000\000\000\000\000\067\001\000\000\000\000\b\360\066\001\000\000\000\000\020\360\066\001\000\000\000\000\000\340\026\001\000\000\000\000\003", '\000' , "`\025\000\000\000\000\000\361m2.1\177\000\000cT\025\000\000\000\000\000\000\000P.1\177\000\000/\000\000\000\000\000\000\000=\265\061.1\177\000\000\021\000\000\000\000\000\000\000*\000\000\000\000\000\000\000+\000\000\000\000\000\000\000\350\031P.\001\000\000\000/\000\000\000\000\000\000\000\025\232\062.1\177\000\000\220\371Lf\377\177\000\000\331"... signal_channel = signal_status = signal_channel_watcher = 1 segfault_message_tmp = error = 0x0 opt = gui_check = debug_enabled = migration_failed = active_accounts = st = {st_dev = 0, st_ino = 0, st_nlink = 0, st_mode = 0, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 0, st_blksize = 0, st_blocks = 0, st_atim = {tv_sec = 0, tv_nsec = 0}, st_mtim = {tv_sec = 0, tv_nsec = 0}, st_ctim = {tv_sec = 0, tv_nsec = 0}, __unused = {0, 0, 0}} long_options = {{name = 0x7f312e611acc "config", has_arg = 1, flag = 0x0, val = 99}, {name = 0x7f312e60016e "debug", has_arg = 0, flag = 0x0, val = 100}, {name = 0x7f312e60d3c1 "force-online", has_arg = 0, flag = 0x0, val = 102}, {name = 0x7f312e601d54 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x7f312e60d28a "login", has_arg = 2, flag = 0x0, val = 108}, {name = 0x7f312e60d3ce "multiple", has_arg = 0, flag = 0x0, val = 109}, {name = 0x7f312e60d3d7 "nologin", has_arg = 0, flag = 0x0, val = 110}, {name = 0x7f312e611ac2 "session", has_arg = 1, flag = 0x0, val = 115}, {name = 0x7f312e6059cb "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x7f312e611ad5 "display", has_arg = 1, flag = 0x0, val = 68}, {name = 0x7f312e60d3df "sync", has_arg = 0, flag = 0x0, val = 83}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}