[Bug 68946] mission control can take 100% cpu if its associated dbus drop
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Sep 9 09:34:32 PDT 2013
https://bugs.freedesktop.org/show_bug.cgi?id=68946
--- Comment #3 from Frederic Crozat <fred at crozat.net> ---
(gdb) thread apply all bt
Thread 3 (Thread 0x7f783b884700 (LWP 1440)):
#0 __lll_lock_wait ()
at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1 0x00007f783ec3a50d in _L_lock_1086 () from /lib64/libpthread.so.0
#2 0x00007f783ec3a487 in __GI___pthread_mutex_lock (mutex=0x1f01e20)
at ../nptl/pthread_mutex_lock.c:134
#3 0x00007f783eed93d1 in g_mutex_lock (
mutex=mutex at entry=0x7f783f5c9618 <g__notify_lock_lock>)
at gthread-posix.c:213
#4 0x00007f783f38c280 in g_object_notify_queue_freeze (object=0x7f78340178a0,
conditional=conditional at entry=0) at gobject.c:227
#5 0x00007f783f38d007 in g_object_init (object=0x7f78340178a0,
class=0x7f7834015f30) at gobject.c:963
#6 0x00007f783f3a9eb8 in g_type_create_instance (type=<optimized out>)
at gtype.c:1862
#7 0x00007f783f38d615 in g_object_new_internal (
class=class at entry=0x7f7834015f30, params=params at entry=0x0,
n_params=n_params at entry=0) at gobject.c:1746
#8 0x00007f783f38f41d in g_object_newv (
object_type=object_type at entry=140154245307968,
n_parameters=n_parameters at entry=0, parameters=parameters at entry=0x0)
at gobject.c:1890
#9 0x00007f783f38fbcc in g_object_new (object_type=140154245307968,
first_property_name=first_property_name at entry=0x0) at gobject.c:1556
#10 0x00007f783ff59339 in g_dbus_message_new () at gdbusmessage.c:627
#11 0x00007f783ff5aa2d in g_dbus_message_new_method_call (
name=name at entry=0x7f783ff9ead4 "org.freedesktop.DBus",
path=path at entry=0x7f783ff9eae9 "/org/freedesktop/DBus",
interface_=interface_ at entry=0x7f783ff9ead4 "org.freedesktop.DBus",
method=method at entry=0x7f783ffa6cfb "RemoveMatch") at gdbusmessage.c:656
#12 0x00007f783ff528a9 in remove_match_rule (
match_rule=0x7f783401a8c0
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',path='/org/freedesktop/DBus',arg0='org.gnome.OnlineAccounts'",
connection=0x7f783400d050 [GDBusConnection]) at gdbusconnection.c:3371
#13 unsubscribe_id_internal (
connection=connection at entry=0x7f783400d050 [GDBusConnection],
subscription_id=subscription_id at entry=2,
out_removed_subscribers=out_removed_subscribers at entry=0x7f783401b660)
at gdbusconnection.c:3629
#14 0x00007f783ff56736 in g_dbus_connection_signal_unsubscribe (
connection=0x7f783400d050 [GDBusConnection], subscription_id=2)
at gdbusconnection.c:3666
#15 0x00007f783ff60781 in g_dbus_proxy_finalize (
object=0x7f7834006dd0 [GDBusProxy]) at gdbusproxy.c:219
#16 0x00007f783f38ceba in g_object_unref (_object=0x7f7834006dd0)
at gobject.c:3197
#17 0x00007f783feea590 in g_initable_new_valist (object_type=<optimized out>,
first_property_name=first_property_name at entry=0x7f783ffabb53 "g-flags",
var_args=var_args at entry=0x7f783b883a18, cancellable=0x0,
error=error at entry=0x1f02860) at ginitable.c:233
#18 0x00007f783feea62c in g_initable_new (
object_type=object_type at entry=140154245243120,
cancellable=<optimized out>, error=error at entry=0x1f02860,
first_property_name=first_property_name at entry=0x7f783ffabb53 "g-flags")
at ginitable.c:149
#19 0x00007f783ff61933 in g_dbus_proxy_new_sync (
connection=0x7f783400d050 [GDBusConnection], flags=
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES, info=info at entry=0x0,
name=0x7f7834007910 "org.gnome.OnlineAccounts",
object_path=0x7f78340078e0 "/org/gnome/OnlineAccounts",
interface_name=interface_name at entry=0x7f783ffaf4e8
"org.freedesktop.DBus.ObjectManager", cancellable=cancellable at entry=0x0,
error=error at entry=0x1f02860)
at gdbusproxy.c:2170
#20 0x00007f783ff6ecec in initable_init (initable=<optimized out>,
cancellable=0x0, error=0x1f02860) at gdbusobjectmanagerclient.c:1336
#21 0x00007f783feea53e in g_initable_new_valist (object_type=<optimized out>,
first_property_name=first_property_name at entry=0x7f783b8af596 "flags",
var_args=var_args at entry=0x7f783b883c18, cancellable=cancellable at entry=0x0,
error=error at entry=0x1f02860) at ginitable.c:231
#22 0x00007f783feea62c in g_initable_new (object_type=<optimized out>,
cancellable=cancellable at entry=0x0, error=error at entry=0x1f02860,
first_property_name=first_property_name at entry=0x7f783b8af596 "flags")
at ginitable.c:149
#23 0x00007f783b8aebfd in goa_object_manager_client_new_for_bus_sync (
bus_type=bus_type at entry=G_BUS_TYPE_SESSION, flags=flags at entry=
G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE,
name=name at entry=0x7f783b8aeec0 "org.gnome.OnlineAccounts",
object_path=object_path at entry=0x7f783b8aeea6 "/org/gnome/OnlineAccounts",
cancellable=cancellable at entry=0x0, error=error at entry=0x1f02860)
at goa-generated.c:18831
#24 0x00007f783b892921 in initable_init (initable=<optimized out>,
cancellable=0x0, error=0x7f783b883d98) at goaclient.c:348
#25 0x00007f783fec288a in async_init_thread (task=0x1f1b810 [GTask],
source_object=0x1f02840, task_data=<optimized out>, cancellable=0x0)
at gasyncinitable.c:260
#26 0x00007f783ff0e305 in g_task_thread_pool_thread (thread_data=0x1f1b810,
pool_data=<optimized out>) at gtask.c:1245
#27 0x00007f783eebeb36 in g_thread_pool_thread_proxy (data=<optimized out>)
at gthreadpool.c:309
#28 0x00007f783eebe175 in g_thread_proxy (data=0x1f19850) at gthread.c:798
#29 0x00007f783ec380db in start_thread (arg=0x7f783b884700)
at pthread_create.c:309
#30 0x00007f783e9696bd in clone ()
at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 2 (Thread 0x7f783b083700 (LWP 1441)):
#0 __lll_lock_wait ()
at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1 0x00007f783ec3a50d in _L_lock_1086 () from /lib64/libpthread.so.0
#2 0x00007f783ec3a487 in __GI___pthread_mutex_lock (mutex=0x1f01e20)
at ../nptl/pthread_mutex_lock.c:134
#3 0x00007f783eed93d1 in g_mutex_lock (
mutex=mutex at entry=0x7f783f5c9618 <g__notify_lock_lock>)
at gthread-posix.c:213
#4 0x00007f783f38c280 in g_object_notify_queue_freeze (object=0x7f7834017e80,
conditional=conditional at entry=0) at gobject.c:227
#5 0x00007f783f38d007 in g_object_init (object=0x7f7834017e80,
class=0x7f7834015f30) at gobject.c:963
#6 0x00007f783f3a9eb8 in g_type_create_instance (type=<optimized out>)
at gtype.c:1862
#7 0x00007f783f38d615 in g_object_new_internal (
class=class at entry=0x7f7834015f30, params=params at entry=0x0,
n_params=n_params at entry=0) at gobject.c:1746
#8 0x00007f783f38f41d in g_object_newv (
object_type=object_type at entry=140154245307968,
n_parameters=n_parameters at entry=0, parameters=parameters at entry=0x0)
at gobject.c:1890
#9 0x00007f783f38fbcc in g_object_new (object_type=140154245307968,
first_property_name=first_property_name at entry=0x0) at gobject.c:1556
#10 0x00007f783ff59339 in g_dbus_message_new () at gdbusmessage.c:627
#11 0x00007f783ff5a1df in g_dbus_message_new_from_blob (
blob=0x7f782c001c00 "l\004\001\001\062", blob_len=210,
capabilities=<optimized out>, error=error at entry=0x7f783b082c78)
at gdbusmessage.c:2041
#12 0x00007f783ff6489d in _g_dbus_worker_do_read_cb (
input_stream=<optimized out>, res=<optimized out>,
user_data=user_data at entry=0x7f7834017680) at gdbusprivate.c:754
#13 0x00007f783ff00c5e in g_simple_async_result_complete (
simple=0x7f782c003570 [GSimpleAsyncResult]) at gsimpleasyncresult.c:777
#14 0x00007f783ff00ccc in complete_in_idle_cb (data=0x7f782c003570)
at gsimpleasyncresult.c:789
#15 0x00007f783ee991f6 in g_main_dispatch (context=0x7f7834015b40)
at gmain.c:3065
#16 g_main_context_dispatch (context=context at entry=0x7f7834015b40)
at gmain.c:3641
#17 0x00007f783ee99548 in g_main_context_iterate (context=0x7f7834015b40,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
at gmain.c:3712
#18 0x00007f783ee9994a in g_main_loop_run (loop=0x7f7834015ad0) at gmain.c:3906
#19 0x00007f783ff629a6 in gdbus_shared_thread_func (user_data=0x7f7834015b10)
at gdbusprivate.c:278
#20 0x00007f783eebe175 in g_thread_proxy (data=0x1f19ed0) at gthread.c:798
#21 0x00007f783ec380db in start_thread (arg=0x7f783b083700)
at pthread_create.c:309
#22 0x00007f783e9696bd in clone ()
at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
Thread 1 (Thread 0x7f7840a2a840 (LWP 1439)):
#0 g_slist_find (list=0x1f0e640 = {...}, data=data at entry=0x1f0c470)
at gslist.c:729
#1 0x00007f783f38ca6a in g_object_notify_queue_add (
nqueue=nqueue at entry=0x1efc660, pspec=0x1f0c470 [GParamString],
object=<optimized out>) at gobject.c:305
#2 0x00007f783f38d369 in object_set_property (nqueue=0x1efc660,
value=0x7fffd441bcf0, pspec=0x1f0c470 [GParamString],
object=0x1f06aa0 [DBusGProxy]) at gobject.c:1371
#3 g_object_constructor (type=<optimized out>,
n_construct_properties=<optimized out>, construct_params=0x1f17ea0)
at gobject.c:2042
#4 0x00007f783fa36b8f in dbus_g_proxy_constructor (type=32512752,
n_construct_properties=4, construct_properties=0x1f17e70)
at dbus-gproxy.c:1430
#5 0x00007f783f38d5a4 in g_object_new_with_custom_constructor (n_params=4,
params=0x7fffd441be00, class=0x1f17d00) at gobject.c:1665
#6 g_object_new_internal (class=class at entry=0x1f17d00,
params=params at entry=0x7fffd441be00, n_params=4) at gobject.c:1744
#7 0x00007f783f38f7d4 in g_object_new_valist (
object_type=object_type at entry=32512752,
first_property_name=first_property_name at entry=0x7f783fa4222c "name",
var_args=var_args at entry=0x7fffd441bf58) at gobject.c:2002
#8 0x00007f783f38fbb4 in g_object_new (object_type=32512752,
first_property_name=first_property_name at entry=0x7f783fa4222c "name")
at gobject.c:1559
#9 0x00007f783fa3607e in dbus_g_proxy_new (connection=0x1f086f8,
name=0x1f0d0c0 "org.freedesktop.DBus",
path_name=0x1f0e460 "/org/freedesktop/DBus",
interface_name=interface_name at entry=0x7f78403a1b3d "org.freedesktop.DBus")
at dbus-gproxy.c:1993
#10 0x00007f783fa36c2e in dbus_g_proxy_new_for_name (
connection=<optimized out>, name=<optimized out>, path=<optimized out>,
iface=iface at entry=0x7f78403a1b3d "org.freedesktop.DBus")
at dbus-gproxy.c:2041
#11 0x00007f7840346744 in tp_proxy_get_interface_by_id (
self=self at entry=0x1f0c250 [TpDBusDaemon], iface=iface at entry=151,
error=error at entry=0x7fffd441c118) at proxy.c:502
#12 0x00007f7840346805 in tp_proxy_borrow_interface_by_id (
self=self at entry=0x1f0c250 [TpDBusDaemon], iface=iface at entry=151,
error=error at entry=0x7fffd441c118) at proxy.c:457
#13 0x00007f7840316af5 in tp_cli_dbus_daemon_call_list_names (
proxy=0x1f0c250 [TpDBusDaemon], timeout_ms=timeout_ms at entry=-1,
callback=callback at entry=0x430660 <mcd_client_registry_list_names_cb>,
user_data=user_data at entry=0x0, destroy=destroy at entry=0x0,
weak_object=weak_object at entry=0x1f058a0 [McdClientRegistry])
at ../telepathy-glib/_gen/tp-cli-dbus-daemon-body.h:1431
#14 0x0000000000430591 in mcd_client_registry_constructed (
object=0x1f058a0 [McdClientRegistry]) at client-registry.c:395
#15 0x00007f783f38d64a in g_object_new_internal (class=class at entry=0x1f17750,
params=params at entry=0x7fffd441c340, n_params=1) at gobject.c:1785
#16 0x00007f783f38f7d4 in g_object_new_valist (
object_type=object_type at entry=32601536,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon",
var_args=var_args at entry=0x7fffd441c498) at gobject.c:2002
#17 0x00007f783f38fbb4 in g_object_new (object_type=32601536,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon")
at gobject.c:1559
#18 0x00000000004308e0 in _mcd_client_registry_new (
dbus_daemon=<optimized out>) at client-registry.c:508
#19 0x000000000041ad7e in mcd_dispatcher_constructed (
object=0x1f10100 [McdDispatcher]) at mcd-dispatcher.c:801
#20 0x00007f783f38d64a in g_object_new_internal (class=class at entry=0x1f16ad0,
params=params at entry=0x7fffd441c770, n_params=2) at gobject.c:1785
#21 0x00007f783f38f7d4 in g_object_new_valist (
object_type=object_type at entry=32567984,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon",
var_args=var_args at entry=0x7fffd441c8c8) at gobject.c:2002
#22 0x00007f783f38fbb4 in g_object_new (object_type=32567984,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon")
at gobject.c:1559
#23 0x000000000041b218 in mcd_dispatcher_new (
dbus_daemon=0x1f0c250 [TpDBusDaemon],
master=master at entry=0x1f0c310 [McdService]) at mcd-dispatcher.c:919
#24 0x0000000000412418 in mcd_master_constructor (type=32566016, n_params=2,
params=<optimized out>) at mcd-master.c:389
#25 0x00007f783f38d5a4 in g_object_new_with_custom_constructor (n_params=1,
params=0x7fffd441cbd0, class=0x1f0fd00) at gobject.c:1665
#26 g_object_new_internal (class=class at entry=0x1f0fd00,
params=params at entry=0x7fffd441cbd0, n_params=1) at gobject.c:1744
#27 0x00007f783f38f7d4 in g_object_new_valist (
object_type=object_type at entry=32566016,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon",
var_args=var_args at entry=0x7fffd441cd28) at gobject.c:2002
#28 0x00007f783f38fbb4 in g_object_new (object_type=32566016,
first_property_name=first_property_name at entry=0x43e40d "dbus-daemon")
at gobject.c:1559
#29 0x0000000000411cbc in mcd_service_new () at mcd-service.c:180
#30 0x000000000040fd90 in main (argc=<optimized out>, argv=<optimized out>)
at mc-server.c:176
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