The interface may hang if network is slow
#0 0x00007ffff5b1b4cd in __GI___poll (fds=fds@entry=0x7fffffffb1f0, nfds=nfds@entry=2,
timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ffff7aad37b in poll (__timeout=-1, __nfds=2, __fds=0x7fffffffb1f0)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:39
#2 0x00007ffff7af44e7 in g_spawn_sync (working_directory=working_directory@entry=0x0,
argv=<optimized out>, envp=envp@entry=0x0, flags=flags@entry=G_SPAWN_SEARCH_PATH,
child_setup=child_setup@entry=0x0, user_data=user_data@entry=0x0,
standard_output=0x7fffffffb2c8, standard_error=0x7fffffffb2d0, wait_status=0x0,
error=0x7fffffffb2d8) at ../../glib/glib/gspawn.c:381
#3 0x00007ffff7af4dcf in g_spawn_command_line_sync (command_line=<optimized out>,
standard_output=0x7fffffffb2c8, standard_error=0x7fffffffb2d0, wait_status=0x0,
error=0x7fffffffb2d8) at ../../glib/glib/gspawn.c:975
#4 0x00005555555b2087 in request_magic_attach (page=0x555555887b10)
at ../gnome-initial-setup/pages/ubuntu-pro/gis-ubuntupro-page.c:631
#5 0x00005555555b2997 in gis_ubuntupro_page_apply (gis_page=0x555555765640,
cancellable=0x555556c77930)
at ../gnome-initial-setup/pages/ubuntu-pro/gis-ubuntupro-page.c:797
#6 0x000055555558ac3f in gis_page_apply_begin (page=0x555555765640,
callback=0x555555588772 <on_apply_done>, user_data=0x555555803460)
at ../gnome-initial-setup/gis-page.c:383
#7 0x00005555555887e9 in gis_assistant_next_page (assistant=0x555555803460)
at ../gnome-initial-setup/gis-assistant.c:135
#8 0x0000555555589120 in go_forward (button=0x55555582df90, assistant=0x555555803460)
at ../gnome-initial-setup/gis-assistant.c:348
#9 0x00007ffff7b9e289 in _g_closure_invoke_va (closure=0x5555557d3b00, return_value=0x0,
instance=0x55555582df90, args=0x7fffffffb6e0, n_params=0, param_types=0x0)
at ../../glib/gobject/gclosure.c:896
#10 0x00007ffff7bb3e5f in signal_emit_valist_unlocked (instance=instance@entry=0x55555582df90,
signal_id=signal_id@entry=104, detail=detail@entry=0, var_args=var_args@entry=0x7fffffffb6e0)
at ../../glib/gobject/gsignal.c:3423
#11 0x00007ffff7bb9a26 in g_signal_emit_valist (instance=0x55555582df90, signal_id=104,
detail=0, var_args=0x7fffffffb6e0) at ../../glib/gobject/gsignal.c:3262
#12 0x00007ffff7bb9ae3 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
detail=<optimized out>) at ../../glib/gobject/gsignal.c:3582
#13 0x00007ffff6ccc125 in _gtk_marshal_VOID__INT_DOUBLE_DOUBLEv (closure=<optimized out>,
return_value=<optimized out>, instance=<optimized out>, args=<optimized out>,
marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x5555557ccdb0)
at gtk/gtkmarshalers.c:3688
#14 0x00007ffff7b9e289 in _g_closure_invoke_va (closure=0x555555785640, return_value=0x0,
instance=0x5555557854f0, args=0x7fffffffba70, n_params=3, param_types=0x5555557ccdb0)
at ../../glib/gobject/gclosure.c:896
#15 0x00007ffff7bb3e5f in signal_emit_valist_unlocked (instance=instance@entry=0x5555557854f0,
signal_id=signal_id@entry=93, detail=detail@entry=0, var_args=var_args@entry=0x7fffffffba70)
at ../../glib/gobject/gsignal.c:3423
#16 0x00007ffff7bb9a26 in g_signal_emit_valist (instance=0x5555557854f0, signal_id=93, detail=0,
var_args=0x7fffffffba70) at ../../glib/gobject/gsignal.c:3262
