[Bug 38662] Re: Rhythmbox uses 90%+ CPU after resuming from suspend

[Mary Gardiner]

Note that I had to press ^C in order to get a gdb prompt at all after I suspended and got the bug. Otherwise "thread apply all bt" shows nothing.

(gdb) run
Starting program: /usr/bin/rhythmbox
[Thread debugging using libthread_db enabled]
[New Thread -1226241824 (LWP 19192)]
[New Thread -1250116688 (LWP 19198)]
[New Thread -1258509392 (LWP 19199)]
[New Thread -1259037776 (LWP 19200)]
[New Thread -1267430480 (LWP 19201)]

(rhythmbox:19192): Rhythmbox-WARNING **: Unable to start mDNS browsing
[Thread -1259037776 (LWP 19200) exited]
[Thread -1267430480 (LWP 19201) exited]
[New Thread -1275823184 (LWP 19203)]
[New Thread -1267430480 (LWP 19204)]
[New Thread -1259037776 (LWP 19205)]
[New Thread -1284797520 (LWP 19206)]
[New Thread -1293190224 (LWP 19207)]
[New Thread -1301582928 (LWP 19208)]
[New Thread -1309975632 (LWP 19209)]
[New Thread -1318368336 (LWP 19210)]
[New Thread -1326761040 (LWP 19211)]
[New Thread -1335153744 (LWP 19212)]
[New Thread -1345324112 (LWP 19213)]
[Thread -1275823184 (LWP 19203) exited]
[New Thread -1275823184 (LWP 19219)]
[Thread -1275823184 (LWP 19219) exited]
[New Thread -1275823184 (LWP 19220)]
[New Thread -1357907024 (LWP 19221)]
[Thread -1357907024 (LWP 19221) exited]
[Thread -1275823184 (LWP 19220) exited]
[Thread -1259037776 (LWP 19205) exited]
[Thread -1345324112 (LWP 19213) exited]
[Thread -1293190224 (LWP 19207) exited]
[Thread -1326761040 (LWP 19211) exited]
[Thread -1318368336 (LWP 19210) exited]
[Thread -1267430480 (LWP 19204) exited]
[Thread -1284797520 (LWP 19206) exited]
[Thread -1301582928 (LWP 19208) exited]
[Thread -1309975632 (LWP 19209) exited]
[Thread -1335153744 (LWP 19212) exited]
[New Thread -1335153744 (LWP 19226)]
[Thread -1335153744 (LWP 19226) exited]
[New Thread -1335153744 (LWP 19227)]
[New Thread -1326761040 (LWP 19228)]
[New Thread -1309975632 (LWP 19229)]
[Thread -1309975632 (LWP 19229) exited]
[New Thread -1309975632 (LWP 19230)]
[Thread -1309975632 (LWP 19230) exited]
[New Thread -1309975632 (LWP 19231)]
[Thread -1309975632 (LWP 19231) exited]
[New Thread -1309975632 (LWP 19232)]
[Thread -1309975632 (LWP 19232) exited]
[New Thread -1309975632 (LWP 19233)]
[New Thread -1267430480 (LWP 19234)]
[New Thread -1275823184 (LWP 19235)]
[New Thread -1284797520 (LWP 19236)]
[Thread -1275823184 (LWP 19235) exited]
[New Thread -1275823184 (LWP 20156)]
[Thread -1275823184 (LWP 20156) exited]

Program received signal SIGINT, Interrupt.
[Switching to Thread -1226241824 (LWP 19192)]
0xffffe410 in __kernel_vsyscall ()
(gdb) thread apply all bt

Thread 30 (Thread -1284797520 (LWP 19236)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb79d9c76 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb6d118ea in gst_audio_sink_get_type () from /usr/lib/libgstaudio-0.10.so.0
#3  0xb71ae582 in g_static_private_free () from /usr/lib/libglib-2.0.so.0
#4  0xb79d7341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb70f54ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 28 (Thread -1267430480 (LWP 19234)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb79d9c76 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb6d1455a in gst_base_audio_sink_get_type () from /usr/lib/libgstaudio-0.10.so.0
#3  0xb7b8c1c1 in gst_base_sink_get_max_lateness () from /usr/lib/libgstbase-0.10.so.0
#4  0xb7b8d69c in gst_base_sink_get_max_lateness () from /usr/lib/libgstbase-0.10.so.0
#5  0xb7b8e021 in gst_base_sink_get_max_lateness () from /usr/lib/libgstbase-0.10.so.0
#6  0xb7b8e42a in gst_base_sink_get_max_lateness () from /usr/lib/libgstbase-0.10.so.0
#7  0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#8  0xb7b2bc93 in gst_proxy_pad_get_type () from /usr/lib/libgstreamer-0.10.so.0
#9  0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#10 0xb7b2bc93 in gst_proxy_pad_get_type () from /usr/lib/libgstreamer-0.10.so.0
#11 0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#12 0xb7b2bc93 in gst_proxy_pad_get_type () from /usr/lib/libgstreamer-0.10.so.0
#13 0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#14 0xb7b3b64f in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#15 0xb7b982b3 in gst_base_transform_set_passthrough () from /usr/lib/libgstbase-0.10.so.0
#16 0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#17 0xb7b3b64f in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#18 0xb7b982b3 in gst_base_transform_set_passthrough () from /usr/lib/libgstbase-0.10.so.0
#19 0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#20 0xb7b2bc93 in gst_proxy_pad_get_type () from /usr/lib/libgstreamer-0.10.so.0
#21 0xb7b3aeda in gst_pad_chain () from /usr/lib/libgstreamer-0.10.so.0
#22 0xb7b3b64f in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#23 0xb6d52113 in gst_queue_get_type () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#24 0xb7b4ee54 in gst_task_get_type () from /usr/lib/libgstreamer-0.10.so.0
#25 0xb71b0428 in g_thread_pool_free () from /usr/lib/libglib-2.0.so.0
#26 0xb71ae582 in g_static_private_free () from /usr/lib/libglib-2.0.so.0
#27 0xb79d7341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#28 0xb70f54ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 27 (Thread -1309975632 (LWP 19233)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb79d9c76 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7b4a78e in gst_system_clock_obtain () from /usr/lib/libgstreamer-0.10.so.0
#3  0xb71ae582 in g_static_private_free () from /usr/lib/libglib-2.0.so.0
#4  0xb79d7341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb70f54ee in clone () from /lib/tls/i686/cmov/libc.so.6

-- 
Rhythmbox uses 90%+ CPU after resuming from suspend
https://launchpad.net/bugs/38662