[systemsettings] [Bug 314102] New: Phono crashes when viewing

[greg.richards at gmx.co.uk]

https://bugs.kde.org/show_bug.cgi?id=314102

            Bug ID: 314102
           Summary: Phono crashes when viewing
    Classification: Unclassified
           Product: systemsettings
           Version: 1.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: greg.richards at gmx.co.uk

Application: systemsettings (1.0)
KDE Platform Version: 4.9.4
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic i686
Distribution: Linux Mint 14 Nadia

-- Information about the crash:
- What I was doing when the application crashed:

Just viewing my phonon  settings as I couldn't seem to get voice working on a
web-cam with built in voice on it and thought phonon may be like pulse, where
you can select the microphone input

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1ef9740 (LWP 5111))]

Thread 3 (Thread 0xadae9b40 (LWP 5117)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb5d3f5f0 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb325874b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3249d00 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3249e61 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb609e99f in QEventDispatcherGlib::processEvents (this=0xad100468,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb606b26c in QEventLoop::processEvents (this=this at entry=0xadae9228,
flags=...) at kernel/qeventloop.cpp:149
#7  0xb606b561 in QEventLoop::exec (this=0xadae9228, flags=...) at
kernel/qeventloop.cpp:204
#8  0xb5f5666c in QThread::exec (this=0xa3d0fb0) at thread/qthread.cpp:501
#9  0xb60497bd in QInotifyFileSystemWatcherEngine::run (this=0xa3d0fb0) at
io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5f59a58 in QThreadPrivate::start (arg=0xa3d0fb0) at
thread/qthread_unix.cpp:338
#11 0xb331fd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb5d4dd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa897db40 (LWP 5189)):
#0  0xb7777424 in __kernel_vsyscall ()
#1  0xb332396b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/i386-linux-gnu/libpthread.so.0
#2  0xb5d5b64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xa8d44c63 in vlc_cond_wait (p_condvar=p_condvar at entry=0xaaf47f4,
p_mutex=p_mutex at entry=0xaaf47dc) at posix/thread.c:431
#4  0xa8cb7cc1 in LoopRequest (p_playlist=0xaaf4718) at playlist/thread.c:544
#5  Thread (data=0xaaf4718) at playlist/thread.c:592
#6  0xb331fd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0xb5d4dd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1ef9740 (LWP 5111)):
[KCrash Handler]
#7  0xb5d610e8 in __strcpy_chk () from /lib/i386-linux-gnu/libc.so.6
#8  0xa8e1289f in strcpy (__src=0x0, __dest=0xac91f60 "pcm.(null)") at
/usr/include/i386-linux-gnu/bits/string3.h:105
#9  try_config (list=list at entry=0xbfb03f2c, base=0xa8c2faf4 "pcm", name=0x0) at
namehint.c:241
#10 0xa8e13a98 in add_software_devices (list=0xbfb03f2c) at namehint.c:512
#11 snd_device_name_hint (card=card at entry=-1, iface=<optimized out>,
iface at entry=0xa8c2faf4 "pcm", hints=hints at entry=0xbfb03ffc) at namehint.c:587
#12 0xa8c2df4b in GetDevices (obj=obj at entry=0xaacc650,
item=item at entry=0xab50bb0, prefs_dev=<optimized out>,
prefs_dev at entry=0xa8c2fad0 "default") at alsa.c:738
#13 0xa8c2f0cb in FindDevicesCallback (p_this=0xaacc650, psz_name=0xac5ffc8
"alsa-audio-device", newval=..., oldval=..., p_unused=0x0) at alsa.c:720
#14 0xa8c81c9e in libvlc_audio_output_device_count (p_instance=0xaacaf88,
psz_audio_output=0xac6cc68 "alsa") at audio.c:167
#15 0xa8dbcfcb in Phonon::VLC::DeviceManager::updateDeviceList (this=0xac5f708)
at ../../src/devicemanager.cpp:243
#16 0xa8db6072 in Phonon::VLC::Backend::Backend (this=0xaaaa7a0, parent=0x0) at
../../src/backend.cpp:99
#17 0xa8db64bb in qt_plugin_instance () at ../../src/backend.cpp:50
#18 0xb604f4d0 in QPluginLoader::instance (this=0xbfb043cc) at
plugin/qpluginloader.cpp:204
#19 0xacf3c0fc in Phonon::KdePlatformPlugin::createBackend
(this=this at entry=0xa51b8c8, newService=...) at
../../../phonon/platform_kde/kdeplatformplugin.cpp:130
#20 0xacf3cb49 in Phonon::KdePlatformPlugin::createBackend (this=0xa51b8c8) at
../../../phonon/platform_kde/kdeplatformplugin.cpp:183
#21 0xb36865a8 in Phonon::FactoryPrivate::createBackend
(this=this at entry=0xaa8d388) at ../../phonon/factory.cpp:130
#22 0xb3687ee3 in Phonon::Factory::backend (createWhenNull=true) at
../../phonon/factory.cpp:460
#23 0xb368c7fc in Phonon::GlobalConfig::audioOutputDeviceListFor
(this=0xbfb04698, category=Phonon::NoCategory, override=2) at
../../phonon/globalconfig.cpp:439
#24 0xacf582b2 in DevicePreference::loadCategoryDevices (this=0xaa73088) at
../../../phonon/kcm/devicepreference.cpp:537
#25 0xacf69e95 in ?? () from /usr/lib/kde4/kcm_phonon.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Possible duplicates by query: bug 313232, bug 312565, bug 308766, bug 292817.

Reported using DrKonqi

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