Comment 4 for bug 1074993

On it.

On Mon, Feb 18, 2013 at 8:08 AM, Travis Reitter
<email address hidden>wrote:

> Is there any way we could get some help on this?
>
> The test in folks that this affects (see bgo#686715) fails consistently,
> so it may be easier to debug than when this was originally filed.
>
> Either way, it's pretty opaque to me exactly why this failure is
> happening, but I would really like to resolve it so our test suite
> succeeds consistently.
>
> --
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> Zeitgeist Project.
> https://bugs.launchpad.net/bugs/1074993
>
> Title:
> D-Bus assertion when a ZeitgeistMonitor is finalised before its
> ZeitgeistLog
>
> Status in Zeitgeist Client Library:
> New
>
> Bug description:
> See: https://bugzilla.gnome.org/show_bug.cgi?id=686715
>
> Assume a ZeitgeistLog and ZeitgeistMonitor have been instantiated, and
> the ZeitgeistMonitor has been installed on the ZeitgeistLog. If the
> ZeitgeistMonitor is finalised, _zeitgeist_log_on_monitor_destroyed()
> will be called by the weak notify handler. It will call
> zeitgeist_log_remove_monitor() which then checks some of the
> properties of the (now finalised) ZeitgeistMonitor. I suspect this
> results in generating an invalid GVariant for the RemoveMonitor D-Bus
> call, which is what we’re seeing happen in libfolks.
>
> Stacktrace:
>
> (/home/treitter/collabora/folks/tests/telepathy/.libs/lt-init:3800):
> GLib-GIO-CRITICAL **: g_dbus_proxy_call_internal: assertion `parameters ==
> NULL || g_variant_is_of_type (parameters, G_VARIANT_TYPE_TUPLE)' failed
> Detaching after fork from child process 3806.
>
> Program received signal SIGTRAP, Trace/breakpoint trap.
> g_logv (log_domain=0x7ffff74c11a1 "GLib-GIO",
> log_level=G_LOG_LEVEL_CRITICAL,
> format=<optimized out>, args=args@entry=0x7fffffffd548) at
> gmessages.c:974
> 974 g_private_set (&g_log_depth, GUINT_TO_POINTER (depth));
> (gdb) bt
> #0 g_logv (log_domain=0x7ffff74c11a1 "GLib-GIO",
> log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>,
> args=args@entry=0x7fffffffd548) at gmessages.c:974
> #1 0x00007ffff6c608a2 in g_log (
> log_domain=log_domain@entry=0x7ffff74c11a1 "GLib-GIO",
> log_level=log_level@entry=G_LOG_LEVEL_CRITICAL,
> format=format@entry=0x7ffff6cc941a "%s: assertion `%s' failed")
> at gmessages.c:1003
> #2 0x00007ffff6c608c9 in g_return_if_fail_warning (
> log_domain=log_domain@entry=0x7ffff74c11a1 "GLib-GIO",
> pretty_function=pretty_function@entry=0x7ffff74e6080
> "g_dbus_proxy_call_internal",
> expression=expression@entry=0x7ffff74e2738 "parameters == NULL ||
> g_variant_is_of_type (parameters, G_VARIANT_TYPE_TUPLE)") at
> gmessages.c:1012
> #3 0x00007ffff749d08a in g_dbus_proxy_call_internal (proxy=0x6345a0,
> method_name=0x7ffff7ba9a7b "RemoveMonitor", parameters=0x6bd030,
> flags=G_DBUS_CALL_FLAGS_NONE, timeout_msec=-1, fd_list=fd_list@entry
> =0x0,
> cancellable=0x0,
> callback=callback@entry=0x7ffff7b9e37b <monitor_removed_cb>,
> user_data=user_data@entry=0x637120) at gdbusproxy.c:2707
> #4 0x00007ffff749ea44 in g_dbus_proxy_call (proxy=<optimized out>,
> method_name=<optimized out>, parameters=<optimized out>,
> flags=<optimized out>, timeout_msec=<optimized out>,
> cancellable=<optimized out>, callback=0x7ffff7b9e37b
> <monitor_removed_cb>,
> user_data=0x637120) at gdbusproxy.c:3017
> #5 0x00007ffff7b9e6cc in zeitgeist_log_remove_monitor ()
> from /opt/gnome/lib64/libzeitgeist-1.0.so.1
> #6 0x00007ffff7b9e767 in _zeitgeist_log_on_monitor_destroyed ()
> from /opt/gnome/lib64/libzeitgeist-1.0.so.1
> #7 0x00007ffff6f466f2 in weak_refs_notify (data=0x6bfea0) at
> gobject.c:2469
> #8 0x00007ffff6f47684 in g_object_unref (_object=0x7ffff0007240)
> at gobject.c:2986
> #9 0x00007ffff7dcf7ae in tpf_persona_store_finalize (obj=0x642150)
> at
> /home/treitter/collabora/folks/backends/telepathy/lib/tpf-persona-store.vala:101
> #10 0x00007ffff6f47718 in g_object_unref (_object=0x642150) at
> gobject.c:3023
> #11 0x00007ffff7dc5ea2 in _tpf_persona_store_populate_counters_data_free
> (
> _data=0x6e4000)
> at
> /home/treitter/collabora/folks/backends/telepathy/lib/tpf-persona-store.vala:41
> #12 0x00007ffff743fd78 in clear_op_res (simple=0x6ce6c0)
> at gsimpleasyncresult.c:257
> #13 g_simple_async_result_finalize (object=0x6ce6c0)
> at gsimpleasyncresult.c:277
> #14 0x00007ffff6f47718 in g_object_unref (_object=0x6ce6c0) at
> gobject.c:3023
> #15 0x00007ffff7dca4f6 in _tpf_persona_store_populate_counters_co (
> _data_=0x6e4000)
> at
> /home/treitter/collabora/folks/backends/telepathy/lib/tpf-persona-store.vala:1741
> #16 0x00007ffff7b9b0ae in dispatch_async_callback ()
> from /opt/gnome/lib64/libzeitgeist-1.0.so.1
> ---Type <return> to continue, or q <return> to quit---
> #17 0x00007ffff7440ba7 in g_simple_async_result_complete
> (simple=0x6ce5e0)
> at gsimpleasyncresult.c:775
> #18 0x00007ffff749aa9a in reply_cb (connection=<optimized out>,
> res=<optimized out>, user_data=0x6ce5e0) at gdbusproxy.c:2632
> #19 0x00007ffff7440ba7 in g_simple_async_result_complete
> (simple=0x6ce570)
> at gsimpleasyncresult.c:775
> #20 0x00007ffff7490efe in g_dbus_connection_call_done (source=<optimized
> out>,
> result=<optimized out>, user_data=0x636600) at gdbusconnection.c:5333
> #21 0x00007ffff7440ba7 in g_simple_async_result_complete
> (simple=0x66fc30)
> at gsimpleasyncresult.c:775
> #22 0x00007ffff7440ca9 in complete_in_idle_cb (data=<optimized out>)
> at gsimpleasyncresult.c:787
> #23 0x00007ffff6c59565 in g_main_dispatch (context=0x631ff0) at
> gmain.c:2715
> #24 g_main_context_dispatch (context=context@entry=0x631ff0) at
> gmain.c:3219
> #25 0x00007ffff6c59898 in g_main_context_iterate (context=0x631ff0,
> block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized
> out>)
> at gmain.c:3290
> #26 0x00007ffff6c59c92 in g_main_loop_run (loop=0x64b650) at gmain.c:3484
> #27 0x0000000000413e02 in tp_tests_proxy_run_until_dbus_queue_processed (
> proxy=0x638840) at util.c:113
> #28 0x000000000040c2cb in tp_tests_backend_tear_down (self=<optimized
> out>)
> at backend.c:361
> #29 0x00007ffff6c7ba41 in test_case_run (tc=0x62c030) at
> gtestutils.c:1689
> #30 g_test_run_suite_internal (suite=suite@entry=0x62a440,
> path=<optimized out>, path@entry=0x7ffff6cefd7e "") at
> gtestutils.c:1732
> #31 0x00007ffff6c7bb66 in g_test_run_suite_internal (
> suite=suite@entry=0x62a420, path=<optimized out>,
> path@entry=0x7ffff6cefd7e "") at gtestutils.c:1743
> #32 0x00007ffff6c7becb in g_test_run_suite (suite=0x62a420)
> at gtestutils.c:1788
> #33 0x00007ffff6c7bf15 in g_test_run () at gtestutils.c:1308
> #34 0x0000000000409c17 in _vala_main (args=0x7fffffffde08,
> args_length1=1)
> at /home/treitter/collabora/folks/tests/telepathy/init.vala:106
> #35 0x00000036c7621735 in __libc_start_main (main=0x409550 <main>,
> argc=1,
> ubp_av=0x7fffffffde08, init=<optimized out>, fini=<optimized out>,
> rtld_fini=<optimized out>, stack_end=0x7fffffffddf8) at
> libc-start.c:226
> #36 0x0000000000409599 in _start ()
>
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