[kde] [Bug 351505] New: pulseaudio -k causes Plasma to crash

Victor B. Gonzalez bugs.kde.org.id324 at vbgunz.com
Thu Aug 20 07:57:36 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=351505

            Bug ID: 351505
           Summary: pulseaudio -k causes Plasma to crash
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: bugs.kde.org.id324 at vbgunz.com

Application: plasmashell (5.3.95)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-200.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
All I have to do 99% of the time is just run "pulseaudio -k". BOOM, here we
are. Good luck!

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f637ba63900 (LWP 21054))]

Thread 13 (Thread 0x7f635a0a1700 (LWP 21056)):
#0  0x00007f63734712fd in poll () from /lib64/libc.so.6
#1  0x00007f63798aa182 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f63798abc77 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f635c9a7999 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f63533ea700 (LWP 21061)):
#0  0x00007f637346cfad in read () from /lib64/libc.so.6
#1  0x00007f636b5eff75 in ?? () from
/usr/lib64/nvidia/tls/libnvidia-tls.so.352.30
#2  0x00007f636e5d0b00 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#3  0x00007f636e58c8b4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#4  0x00007f636e58cd60 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#5  0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#6  0x00007f63742b4dab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#7  0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#8  0x00007f63740785a4 in QThread::exec() () from /lib64/libQt5Core.so.5
#9  0x00007f6378340245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#10 0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#11 0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f634afe6700 (LWP 21077)):
#0  0x00007f637348a64f in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007f637346cfa2 in read () from /lib64/libc.so.6
#2  0x00007f636b5eff75 in ?? () from
/usr/lib64/nvidia/tls/libnvidia-tls.so.352.30
#3  0x00007f636e5d0b00 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#4  0x00007f636e58c8b4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#5  0x00007f636e58cd60 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#6  0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#7  0x00007f63742b4dab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#8  0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#9  0x00007f63740785a4 in QThread::exec() () from /lib64/libQt5Core.so.5
#10 0x00007f6378340245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#11 0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#12 0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f6349586700 (LWP 21080)):
#0  0x00007f63734712fd in poll () from /lib64/libc.so.6
#1  0x00007f636e58cdbc in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f63742b4dab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f63740785a4 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f6378340245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#7  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f6343bd7700 (LWP 21081)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637b17d494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/lib64/libQt5Script.so.5
#2  0x00007f637b17d4d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /lib64/libQt5Script.so.5
#3  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f634106b700 (LWP 21082)):
#0  0x00007f636e5d1ec9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f636e58cda2 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f63742b4dab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f63740785a4 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f6378ee3616 in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#7  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f62b7166700 (LWP 21084)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637407e7db in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f6378f587de in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3  0x00007f6378f59063 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f62afbff700 (LWP 21085)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637407e7db in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f6378f587de in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3  0x00007f6378f59063 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f62a6723700 (LWP 21089)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637407e7db in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f6378f587de in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3  0x00007f6378f59063 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f629a16c700 (LWP 21557)):
#0  0x00007f637348a64f in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007f63734712f2 in poll () from /lib64/libc.so.6
#2  0x00007f636e58cdbc in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3  0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4  0x00007f63742b4dab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5  0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6  0x00007f63740785a4 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f629bdbb397 in KCupsConnection::run() () from /lib64/libkcupslib.so
#8  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f6290b9a700 (LWP 21567)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637407e7db in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f6378f587de in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3  0x00007f6378f59063 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f628bdf9700 (LWP 21568)):
#0  0x00007f637208c540 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f637407e7db in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f6378f587de in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3  0x00007f6378f59063 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4  0x00007f637407d54e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f6372087555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f637347cb9d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f637ba63900 (LWP 21054)):
[KCrash Handler]
#5  0x00007f636e5d1ec5 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#6  0x00007f636e58a563 in g_source_remove_poll () from /lib64/libglib-2.0.so.0
#7  0x00007f63663450e1 in glib_io_free () from
/lib64/libpulse-mainloop-glib.so.0
#8  0x00007f63658bb849 in delete_events () from
/usr/lib64/pulseaudio/libpulsecommon-6.0.so
#9  0x00007f63658bbe3e in pa_iochannel_free () from
/usr/lib64/pulseaudio/libpulsecommon-6.0.so
#10 0x00007f63658ce96d in pa_pstream_unlink () from
/usr/lib64/pulseaudio/libpulsecommon-6.0.so
#11 0x00007f63665570e6 in context_unlink () from /lib64/libpulse.so.0
#12 0x00007f6366557838 in pa_context_set_state () from /lib64/libpulse.so.0
#13 0x00007f63658cec06 in do_pstream_read_write () from
/usr/lib64/pulseaudio/libpulsecommon-6.0.so
#14 0x00007f6366344f7b in dispatch_func () from
/lib64/libpulse-mainloop-glib.so.0
#15 0x00007f636e58ca8a in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#16 0x00007f636e58ce20 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#17 0x00007f636e58cecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#18 0x00007f63742b4d8f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#19 0x00007f637425bdaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#20 0x00007f6374263e6c in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#21 0x0000000000430e63 in main ()

Reported using DrKonqi

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