Re: Fwd: Re: IPv4 problem with latest head version

[Colin Helliwell <colin helliwell ln-systems com>]

Still asserting with this morning's Head.
gdb reports:

<info>  [1501227099.2422] devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
<info>  [1501227099.2427] device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown 
configuration found.
[Thread 0x759ff3e0 (LWP 1275) exited]
local  IP address 10.68.94.184
remote IP address 10.68.94.184
primary   DNS address 82.132.254.2
secondary DNS address 82.132.254.3
nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 9 / phase 'running'
nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): ip-up event
nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): sending IPv4 config to NetworkManager...
<info>  [1501227102.2638] ppp-manager: (IPv4 Config Get) reply received.

Thread 1 "NetworkManager" received signal SIGTRAP, Trace/breakpoint trap.
raise (sig=sig@entry=5) at /usr/src/debug/glibc/2.24-r0/git/sysdeps/unix/sysv/linux/raise.c:58
58      }

(gdb) bt
#0  raise (sig=sig@entry=5) at /usr/src/debug/glibc/2.24-r0/git/sysdeps/unix/sysv/linux/raise.c:58
#1  0x4a1fe124 in _g_log_abort (breakpoint=1) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmessages.c:325
#2  g_logv (log_domain=0x1 <error: Cannot access memory at address 0x1>, 
log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, format=format@entry=0x7efff7d0 "\320\270Rv\364\367\377~\020", 
args=...,
    args@entry=...) at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmessages.c:1080
#3  0x4a1fe1d8 in g_log (log_domain=<optimized out>, log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, 
format=0x4a24a9b0 "%s: assertion '%s' failed")
    at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmessages.c:1119
#4  0x4a1fe208 in g_return_if_fail_warning (log_domain=<optimized out>, pretty_function=<optimized out>, 
expression=<optimized out>)
    at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmessages.c:1134
#5  0x7652bb74 in impl_ppp_manager_set_ip4_config (manager=0x315d10, context=0x33df68, config_dict=0x32ce78) 
at /usr/src/debug/networkmanager/1.8-r0/git/src/ppp/nm-ppp-manager.c:432
#6  0x4a324aec in ffi_call_SYSV () at ../libffi-3.2.1/src/arm/sysv.S:188
#7  0x4a3255a4 in ffi_call (cif=cif@entry=0x7efff890, fn=fn@entry=0x7652b8d0 
<impl_ppp_manager_set_ip4_config>, rvalue=0x7efff850, avalue=avalue@entry=0x7efff820)
    at /usr/src/debug/libffi/3.2.1-r0/libffi-3.2.1/src/arm/ffi.c:339
#8  0x4a2cf0e0 in g_cclosure_marshal_generic (closure=closure@entry=0x3732e0, 
return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=3, 
param_values=param_values@entry=0x37bc90,
    invocation_hint=<optimized out>, invocation_hint@entry=0x7efff9e4, marshal_data=<optimized out>) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gobject/gclosure.c:1490
#9  0x000be75c in nm_exported_object_meta_marshal (closure=0x3732e0, return_value=0x7efff9c0, 
n_param_values=3, param_values=0x37bc08, invocation_hint=0x7efff9e4, marshal_data=0x0)
    at /usr/src/debug/networkmanager/1.8-r0/git/src/nm-exported-object.c:380
#10 0x4a2ce818 in g_closure_invoke (closure=0x3732e0, return_value=0x7efff9c0, return_value@entry=0x0, 
n_param_values=3, param_values=0x37bc08, param_values@entry=0x7efffa88,
    invocation_hint=invocation_hint@entry=0x7efff9e4) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gobject/gclosure.c:804
#11 0x4a2e1160 in signal_emit_unlocked_R (node=node@entry=0x371340, detail=2130704868, 
detail@entry=1985206736, instance=0x323, instance@entry=0x2faa30, emission_return=0x7efff9c0,
    emission_return@entry=0x37bc08, instance_and_params=0x37bc08, instance_and_params@entry=0x2cc03c) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gobject/gsignal.c:3629
#12 0x4a2e9184 in g_signal_emitv (instance_and_params=0x2cc03c, instance_and_params@entry=0x37bc08, 
signal_id=signal_id@entry=202, detail=1985206736, detail@entry=0, return_value=0x37bc08,
    return_value@entry=0x7efffa88) at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gobject/gsignal.c:3123
#13 0x7652c784 in _nmdbus_ppp_manager_skeleton_handle_method_call (connection=<optimized out>, 
sender=<optimized out>, object_path=<optimized out>, interface_name=0x75a03b50 "\200\275-",
    method_name=0x75a09e98 "SetIp4Config", parameters=0x372bb0, invocation=0x33df68, user_data=0x2faa30)
    at /usr/src/debug/networkmanager/1.8-r0/build/introspection/org.freedesktop.NetworkManager.PPP.c:1367
#14 0x4a4e0568 in g_dbus_interface_method_dispatch_helper (invocation=0x33df68, method_call_func=0x7652c618 
<_nmdbus_ppp_manager_skeleton_handle_method_call>, interface=0x372bb0)
    at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gio/gdbusinterfaceskeleton.c:609
#15 skeleton_intercept_handle_method_call (connection=<optimized out>, sender=<optimized out>, 
object_path=<optimized out>, interface_name=<optimized out>, method_name=0x75a09e98 "SetIp4Config",
    parameters=0x372bb0, invocation=0x33df68, user_data=0x2faa30) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gio/gdbusinterfaceskeleton.c:650
#16 0x4a4c5b68 in call_in_idle_cb (user_data=0x33df68) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/gio/gdbusconnection.c:4832
#17 0x4a1f7578 in g_main_dispatch (context=0x2d1938) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmain.c:3154
#18 g_main_context_dispatch (context=context@entry=0x2d1938) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmain.c:3769
#19 0x4a1f7908 in g_main_context_iterate (context=0x2d1938, block=block@entry=1, dispatch=dispatch@entry=1, 
self=<optimized out>) at /usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmain.c:3840
#20 0x4a1f7c68 in g_main_loop_run (loop=0x2bb6f0) at 
/usr/src/debug/glib-2.0/1_2.48.2-r0/glib-2.48.2/glib/gmain.c:4034
#21 0x00024168 in main (argc=<optimized out>, argv=<optimized out>) at 
/usr/src/debug/networkmanager/1.8-r0/git/src/main.c:438