Bug 561263 – Deadlock in crossfade back-end

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Bug 561263 - Deadlock in crossfade back-end


Summary:	Deadlock in crossfade back-end


Status:	RESOLVED DUPLICATE of bug 553230

Product:	rhythmbox
Classification:	Other
Component:	playback
Version:	0.11.x
Hardware:	Other Linux

Importance:	Normal normal
Target Milestone:	---
Assigned To:	RhythmBox Maintainers
QA Contact:	RhythmBox Maintainers

URL:
Whiteboard:

Depends on:
Blocks:

Reported:	2008-11-17 19:00 UTC by freggy1
Modified:	2008-11-17 23:31 UTC

See Also:
GNOME target:	---
GNOME version:	---

Attachments
rhythmbox -d output (87.14 KB, application/x-lzma) 2008-11-17 19:03 UTC, freggy1	Details

Description freggy1 2008-11-17 19:00:59 UTC

I discovered a new deadlock in the crossfade back-end, exposed by GNOME 2.24.1.

$ strace -p 2521
Process 2521 attached - interrupt to quit
futex(0x13f60a8, FUTEX_WAIT_PRIVATE, 2, NULLq

+ Trace 209942

Thread 1 (Thread 0x7ff5693b4710 (LWP 2521))

#0 __lll_lock_wait
from /lib64/libpthread.so.0
#1 _L_lock_100
from /lib64/libpthread.so.0
#2 pthread_mutex_lock
from /lib64/libpthread.so.0
#3 IA__g_static_rec_mutex_lock
at gthread.c line 313
#4 rb_player_gst_xfade_play
at rb-player-gst-xfade.c line 3226
#5 rb_shell_player_set_playing_entry
at rb-shell-player.c line 1617
#6 rb_shell_player_entry_activated_cb
at rb-shell-player.c line 2775
#7 IA__g_closure_invoke
at gclosure.c line 767
#8 signal_emit_unlocked_R
at gsignal.c line 3244
#9 IA__g_signal_emit_valist
at gsignal.c line 2977
#10 IA__g_signal_emit
at gsignal.c line 3034
#11 rb_entry_view_row_activated_cb
at rb-entry-view.c line 2075
#12 IA__g_closure_invoke
at gclosure.c line 767
#13 signal_emit_unlocked_R
at gsignal.c line 3244
#14 IA__g_signal_emit_valist
at gsignal.c line 2977
#15 IA__g_signal_emit
at gsignal.c line 3034
#16 gtk_tree_view_button_press
at gtktreeview.c line 2827
#17 _gtk_marshal_BOOLEAN__BOXED
at gtkmarshalers.c line 84
#18 IA__g_closure_invoke
at gclosure.c line 767
#19 signal_emit_unlocked_R
at gsignal.c line 3282
#20 IA__g_signal_emit_valist
at gsignal.c line 2987
#21 IA__g_signal_emit
at gsignal.c line 3034
#22 gtk_widget_event_internal
at gtkwidget.c line 4745
#23 IA__gtk_propagate_event
at gtkmain.c line 2391
#24 rb_tree_dnd_button_release_event_cb
at rb-tree-dnd.c line 387
#25 _gtk_marshal_BOOLEAN__BOXED
at gtkmarshalers.c line 84
#26 IA__g_closure_invoke
at gclosure.c line 767
#27 signal_emit_unlocked_R
at gsignal.c line 3244
#28 IA__g_signal_emit_valist
at gsignal.c line 2987
#29 IA__g_signal_emit
at gsignal.c line 3034
#30 gtk_widget_event_internal
at gtkwidget.c line 4745
#31 IA__gtk_propagate_event
at gtkmain.c line 2391
#32 IA__gtk_main_do_event
at gtkmain.c line 1596
#33 gdk_event_dispatch
at gdkevents-x11.c line 2365
#34 IA__g_main_context_dispatch
at gmain.c line 2144
#35 g_main_context_iterate
at gmain.c line 2778
#36 IA__g_main_loop_run
at gmain.c line 2986
#37 IA__gtk_main
at gtkmain.c line 1200
#38 main
at main.c line 335


rhythmbox -d output contains this:
(19:56:01) [0x2424040] [apply_slider_position] rb-header.c:689: setting time to 165
(19:56:01) [0x2424040] [rb_player_gst_xfade_set_time] rb-player-gst-xfade.c:3553: unlinking playing stream file:///mnt/Music/David%20Morales/2%20Worlds%20Collide/09.%20David%20Morales%20with%20LeaLori%C3%A9n%20-%20Lifted.ogg to seek to 165000000000
(19:56:01) [0x2424040] [rb_shell_player_slider_dragging_cb] rb-shell-player.c:915: slider dragging? 0
(19:56:01) [0x3e55070] [unlink_blocked_cb] rb-player-gst-xfade.c:1256: stream file:///mnt/Music/David%20Morales/2%20Worlds%20Collide/09.%20David%20Morales%20with%20LeaLori%C3%A9n%20-%20Lifted.ogg is blocked; unlinking
(19:56:01) [0x3e55070] [unlink_blocked_cb] rb-player-gst-xfade.c:1264: 0 linked streams left
(19:56:01) [0x3f13a10] [unlink_blocked_cb] rb-player-gst-xfade.c:1256: stream file:///mnt/Music/David%20Morales/2%20Worlds%20Collide/09.%20David%20Morales%20with%20LeaLori%C3%A9n%20-%20Lifted.ogg is blocked; unlinking

(rhythmbox:12211): Rhythmbox-WARNING **: Couldn't unlink stream file:///mnt/Music/David%20Morales/2%20Worlds%20Collide/09.%20David%20Morales%20with%20LeaLori%C3%A9n%20-%20Lifted.ogg: things will probably go quite badly from here on
(19:56:01) [0x3e55070] [perform_seek] rb-player-gst-xfade.c:1201: sending seek event..
(19:56:01) [0x2424040] [get_times_and_stream] rb-player-gst-xfade.c:2533: not playing
(19:56:02) [0x2424040] [inhibit] rb-power-manager-plugin.c:193: Was going to inhibit gnome-power-manager, but we already have done
(19:56:02) [0x2424040] [slider_moved_callback] rb-header.c:659: slider is not dragging
(19:56:02) [0x2424040] [slider_moved_callback] rb-header.c:659: slider is not dragging
(19:56:02) [0x2424040] [slider_moved_callback] rb-header.c:659: slider is not dragging
(19:56:02) [0x2424040] [get_times_and_stream] rb-player-gst-xfade.c:2533: not playing

Comment 1 freggy1 2008-11-17 19:03:28 UTC

Created attachment 122874 [details]
rhythmbox -d output

This problem appeared probably since the upgrade of gstreamer 0.10.20 to 0.10.21

Comment 2 Jonathan Matthew 2008-11-17 23:31:02 UTC

Thanks for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find.


*** This bug has been marked as a duplicate of 553230 ***