https://bugs.kde.org/show_bug.cgi?id=486468
--- Comment #10 from Tuomas Nurmi <tuo...@norsumanageri.org> ---
Managed to crash dragonplayer, too, so this is pretty clearly a phonon bug.
Editing bug metadata.
Crash seems to happen often/always when Phonon::AudioOutput::setVolume is
called while no media is loaded.
Reproducible at least on Fedora 40, phononsettings -> select "Show additional
devices" (or what ever that may be in English), and make PipeWire Sound Server
the primary audio output device -> try starting up amarok or dragon a couple of
times
Backtrace from crashing dragonplayer run through gdb, took about 5 tries to get
it crash.
Starting program: /usr/bin/dragon
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffe34006c0 (LWP 18422)]
[New Thread 0x7fffe1c006c0 (LWP 18423)]
[New Thread 0x7fffe12006c0 (LWP 18424)]
[New Thread 0x7fffdbe006c0 (LWP 18425)]
[New Thread 0x7fffdb4006c0 (LWP 18426)]
[New Thread 0x7fffdaa006c0 (LWP 18427)]
[New Thread 0x7fffda0006c0 (LWP 18428)]
[New Thread 0x7fffd96006c0 (LWP 18429)]
[New Thread 0x7fffd8c006c0 (LWP 18430)]
MESA: error: ZINK: failed to choose pdev
libEGL warning: egl: failed to create dri2 screen
[New Thread 0x7fffcd8006c0 (LWP 18431)]
[New Thread 0x7fffcce006c0 (LWP 18432)]
[New Thread 0x7fffc3e006c0 (LWP 18433)]
[New Thread 0x7fffc34006c0 (LWP 18434)]
[New Thread 0x7fffc2a006c0 (LWP 18435)]
[New Thread 0x7fffc20006c0 (LWP 18436)]
[New Thread 0x7fffc16006c0 (LWP 18437)]
[New Thread 0x7fffc0c006c0 (LWP 18438)]
[New Thread 0x7fffb7e006c0 (LWP 18439)]
[New Thread 0x7fffb74006c0 (LWP 18440)]
[New Thread 0x7fffb6a006c0 (LWP 18441)]
[New Thread 0x7fffb60006c0 (LWP 18442)]
qt.core.qobject.connect: QObject::connect: No such signal
Phonon::VLC::MediaObject::angleChanged(int)
qt.core.qobject.connect: QObject::connect: No such signal
Phonon::VLC::MediaObject::availableAnglesChanged(int)
qt.core.qobject.connect: QObject::connect: No such signal
Phonon::VLC::MediaObject::angleChanged(int)
qt.core.qobject.connect: QObject::connect: No such signal
Phonon::VLC::MediaObject::availableAnglesChanged(int)
Thread 1 "dragon" received signal SIGSEGV, Segmentation fault.
___pthread_mutex_lock (mutex=mutex@entry=0x28) at pthread_mutex_lock.c:80
80 unsigned int type = PTHREAD_MUTEX_TYPE_ELISION (mutex);
(gdb) bt
#0 ___pthread_mutex_lock (mutex=mutex@entry=0x28) at pthread_mutex_lock.c:80
#1 0x00007fffdbfc3957 in do_lock.isra.0 (this=this@entry=0x0) at
../src/pipewire/thread-loop.c:53
#2 0x00007fffdbfc3a05 in pw_thread_loop_lock (loop=0x0) at
../src/pipewire/thread-loop.c:371
#3 0x00007fffe016e97c in vlc_pw_lock (ctx=<optimized out>) at
modules/audio_output/vlc_pipewire.c:76
#4 0x00007fffe016ea56 in vlc_pw_stream_set_volume (s=0x7ffff55f6b20
<main_arena+96>, vol=0.180000007)
at modules/audio_output/pipewire.c:377
#5 0x00007fffe016eba0 in VolumeSet (aout=<optimized out>, volume=<optimized
out>)
at modules/audio_output/pipewire.c:658
#6 0x00007fffe031f9b9 in aout_OutputVolumeSet (vol=<optimized out>,
aout=0x55555736d6c0) at audio_output/output.c:659
#7 aout_OutputUnlock (aout=0x55555736d6c0) at audio_output/output.c:704
#8 0x00007fffe0325f48 in aout_VolumeSet (aout=aout@entry=0x55555736d6c0,
vol=vol@entry=0.180000007)
at audio_output/output.c:748
#9 0x00007fffe02afb6b in libvlc_audio_set_volume (mp=<optimized out>,
volume=<optimized out>)
at /usr/src/debug/vlc-3.0.20-12.fc40.x86_64/lib/audio.c:368
#10 0x00007fffe03bc749 in Phonon::VLC::MediaPlayer::setVolumeInternal
(this=<optimized out>)
at
/usr/src/debug/phonon-backend-vlc-0.12.0-3.fc40.x86_64/src/mediaplayer.cpp:395
#11 Phonon::VLC::MediaPlayer::setAudioVolume (volume=18, this=<optimized out>)
at
/usr/src/debug/phonon-backend-vlc-0.12.0-3.fc40.x86_64/src/mediaplayer.cpp:380
#12 Phonon::VLC::AudioOutput::applyVolume (this=<optimized out>)
at
/usr/src/debug/phonon-backend-vlc-0.12.0-3.fc40.x86_64/src/audio/audiooutput.cpp:216
#13 0x00007ffff7e2ff35 in Phonon::AudioOutput::setVolume (this=<optimized out>,
volume=0.31698053201323556)
at /usr/src/debug/phonon-4.12.0-5.fc40.x86_64/phonon/audiooutput.cpp:170
#14 0x000055555558bdf8 in Dragon::VideoWindow::VideoWindow (this=<optimized
out>, parent=0x555555841b40)
at /usr/src/debug/dragon-24.02.2-1.fc40.x86_64/src/app/videoWindow.cpp:142
#15 Dragon::MainWindow::MainWindow (this=0x555555841b40, this=<optimized out>)
at /usr/src/debug/dragon-24.02.2-1.fc40.x86_64/src/app/mainWindow.cpp:101
#16 0x00005555555804c5 in Dragon::PlayerApplication::newInstance
(this=0x7fffffffdc30, playDisc=false, uris=...)
at
/usr/src/debug/dragon-24.02.2-1.fc40.x86_64/src/app/playerApplication.cpp:58
#17 0x0000555555570c8d in main (argc=<optimized out>, argv=<optimized out>)
at /usr/src/debug/dragon-24.02.2-1.fc40.x86_64/src/app/main.cpp:77
(gdb)
--
You are receiving this mail because:
You are watching all bug changes.
